diff options
Diffstat (limited to 'thirdparty/libvpx/vp9/decoder')
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_decodeframe.c | 2271 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_decodeframe.h | 37 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_decodemv.c | 911 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_decodemv.h | 30 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_decoder.c | 518 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_decoder.h | 137 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_detokenize.c | 224 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_detokenize.h | 33 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_dsubexp.c | 76 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_dsubexp.h | 27 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_dthread.c | 189 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/decoder/vp9_dthread.h | 74 |
12 files changed, 0 insertions, 4527 deletions
diff --git a/thirdparty/libvpx/vp9/decoder/vp9_decodeframe.c b/thirdparty/libvpx/vp9/decoder/vp9_decodeframe.c deleted file mode 100644 index d63912932c..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_decodeframe.c +++ /dev/null @@ -1,2271 +0,0 @@ -/* - * Copyright (c) 2010 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#include <assert.h> -#include <stdlib.h> // qsort() - -#include "./vp9_rtcd.h" -#include "./vpx_dsp_rtcd.h" -#include "./vpx_scale_rtcd.h" - -#include "vpx_dsp/bitreader_buffer.h" -#include "vpx_dsp/bitreader.h" -#include "vpx_dsp/vpx_dsp_common.h" -#include "vpx_mem/vpx_mem.h" -#include "vpx_ports/mem.h" -#include "vpx_ports/mem_ops.h" -#include "vpx_scale/vpx_scale.h" -#include "vpx_util/vpx_thread.h" - -#include "vp9/common/vp9_alloccommon.h" -#include "vp9/common/vp9_common.h" -#include "vp9/common/vp9_entropy.h" -#include "vp9/common/vp9_entropymode.h" -#include "vp9/common/vp9_idct.h" -#include "vp9/common/vp9_thread_common.h" -#include "vp9/common/vp9_pred_common.h" -#include "vp9/common/vp9_quant_common.h" -#include "vp9/common/vp9_reconintra.h" -#include "vp9/common/vp9_reconinter.h" -#include "vp9/common/vp9_seg_common.h" -#include "vp9/common/vp9_tile_common.h" - -#include "vp9/decoder/vp9_decodeframe.h" -#include "vp9/decoder/vp9_detokenize.h" -#include "vp9/decoder/vp9_decodemv.h" -#include "vp9/decoder/vp9_decoder.h" -#include "vp9/decoder/vp9_dsubexp.h" - -#define MAX_VP9_HEADER_SIZE 80 - -static int is_compound_reference_allowed(const VP9_COMMON *cm) { - int i; - for (i = 1; i < REFS_PER_FRAME; ++i) - if (cm->ref_frame_sign_bias[i + 1] != cm->ref_frame_sign_bias[1]) - return 1; - - return 0; -} - -static void setup_compound_reference_mode(VP9_COMMON *cm) { - if (cm->ref_frame_sign_bias[LAST_FRAME] == - cm->ref_frame_sign_bias[GOLDEN_FRAME]) { - cm->comp_fixed_ref = ALTREF_FRAME; - cm->comp_var_ref[0] = LAST_FRAME; - cm->comp_var_ref[1] = GOLDEN_FRAME; - } else if (cm->ref_frame_sign_bias[LAST_FRAME] == - cm->ref_frame_sign_bias[ALTREF_FRAME]) { - cm->comp_fixed_ref = GOLDEN_FRAME; - cm->comp_var_ref[0] = LAST_FRAME; - cm->comp_var_ref[1] = ALTREF_FRAME; - } else { - cm->comp_fixed_ref = LAST_FRAME; - cm->comp_var_ref[0] = GOLDEN_FRAME; - cm->comp_var_ref[1] = ALTREF_FRAME; - } -} - -static int read_is_valid(const uint8_t *start, size_t len, const uint8_t *end) { - return len != 0 && len <= (size_t)(end - start); -} - -static int decode_unsigned_max(struct vpx_read_bit_buffer *rb, int max) { - const int data = vpx_rb_read_literal(rb, get_unsigned_bits(max)); - return data > max ? max : data; -} - -static TX_MODE read_tx_mode(vpx_reader *r) { - TX_MODE tx_mode = vpx_read_literal(r, 2); - if (tx_mode == ALLOW_32X32) - tx_mode += vpx_read_bit(r); - return tx_mode; -} - -static void read_tx_mode_probs(struct tx_probs *tx_probs, vpx_reader *r) { - int i, j; - - for (i = 0; i < TX_SIZE_CONTEXTS; ++i) - for (j = 0; j < TX_SIZES - 3; ++j) - vp9_diff_update_prob(r, &tx_probs->p8x8[i][j]); - - for (i = 0; i < TX_SIZE_CONTEXTS; ++i) - for (j = 0; j < TX_SIZES - 2; ++j) - vp9_diff_update_prob(r, &tx_probs->p16x16[i][j]); - - for (i = 0; i < TX_SIZE_CONTEXTS; ++i) - for (j = 0; j < TX_SIZES - 1; ++j) - vp9_diff_update_prob(r, &tx_probs->p32x32[i][j]); -} - -static void read_switchable_interp_probs(FRAME_CONTEXT *fc, vpx_reader *r) { - int i, j; - for (j = 0; j < SWITCHABLE_FILTER_CONTEXTS; ++j) - for (i = 0; i < SWITCHABLE_FILTERS - 1; ++i) - vp9_diff_update_prob(r, &fc->switchable_interp_prob[j][i]); -} - -static void read_inter_mode_probs(FRAME_CONTEXT *fc, vpx_reader *r) { - int i, j; - for (i = 0; i < INTER_MODE_CONTEXTS; ++i) - for (j = 0; j < INTER_MODES - 1; ++j) - vp9_diff_update_prob(r, &fc->inter_mode_probs[i][j]); -} - -static REFERENCE_MODE read_frame_reference_mode(const VP9_COMMON *cm, - vpx_reader *r) { - if (is_compound_reference_allowed(cm)) { - return vpx_read_bit(r) ? (vpx_read_bit(r) ? REFERENCE_MODE_SELECT - : COMPOUND_REFERENCE) - : SINGLE_REFERENCE; - } else { - return SINGLE_REFERENCE; - } -} - -static void read_frame_reference_mode_probs(VP9_COMMON *cm, vpx_reader *r) { - FRAME_CONTEXT *const fc = cm->fc; - int i; - - if (cm->reference_mode == REFERENCE_MODE_SELECT) - for (i = 0; i < COMP_INTER_CONTEXTS; ++i) - vp9_diff_update_prob(r, &fc->comp_inter_prob[i]); - - if (cm->reference_mode != COMPOUND_REFERENCE) - for (i = 0; i < REF_CONTEXTS; ++i) { - vp9_diff_update_prob(r, &fc->single_ref_prob[i][0]); - vp9_diff_update_prob(r, &fc->single_ref_prob[i][1]); - } - - if (cm->reference_mode != SINGLE_REFERENCE) - for (i = 0; i < REF_CONTEXTS; ++i) - vp9_diff_update_prob(r, &fc->comp_ref_prob[i]); -} - -static void update_mv_probs(vpx_prob *p, int n, vpx_reader *r) { - int i; - for (i = 0; i < n; ++i) - if (vpx_read(r, MV_UPDATE_PROB)) - p[i] = (vpx_read_literal(r, 7) << 1) | 1; -} - -static void read_mv_probs(nmv_context *ctx, int allow_hp, vpx_reader *r) { - int i, j; - - update_mv_probs(ctx->joints, MV_JOINTS - 1, r); - - for (i = 0; i < 2; ++i) { - nmv_component *const comp_ctx = &ctx->comps[i]; - update_mv_probs(&comp_ctx->sign, 1, r); - update_mv_probs(comp_ctx->classes, MV_CLASSES - 1, r); - update_mv_probs(comp_ctx->class0, CLASS0_SIZE - 1, r); - update_mv_probs(comp_ctx->bits, MV_OFFSET_BITS, r); - } - - for (i = 0; i < 2; ++i) { - nmv_component *const comp_ctx = &ctx->comps[i]; - for (j = 0; j < CLASS0_SIZE; ++j) - update_mv_probs(comp_ctx->class0_fp[j], MV_FP_SIZE - 1, r); - update_mv_probs(comp_ctx->fp, 3, r); - } - - if (allow_hp) { - for (i = 0; i < 2; ++i) { - nmv_component *const comp_ctx = &ctx->comps[i]; - update_mv_probs(&comp_ctx->class0_hp, 1, r); - update_mv_probs(&comp_ctx->hp, 1, r); - } - } -} - -static void inverse_transform_block_inter(MACROBLOCKD* xd, int plane, - const TX_SIZE tx_size, - uint8_t *dst, int stride, - int eob) { - struct macroblockd_plane *const pd = &xd->plane[plane]; - tran_low_t *const dqcoeff = pd->dqcoeff; - assert(eob > 0); -#if CONFIG_VP9_HIGHBITDEPTH - if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { - if (xd->lossless) { - vp9_highbd_iwht4x4_add(dqcoeff, dst, stride, eob, xd->bd); - } else { - switch (tx_size) { - case TX_4X4: - vp9_highbd_idct4x4_add(dqcoeff, dst, stride, eob, xd->bd); - break; - case TX_8X8: - vp9_highbd_idct8x8_add(dqcoeff, dst, stride, eob, xd->bd); - break; - case TX_16X16: - vp9_highbd_idct16x16_add(dqcoeff, dst, stride, eob, xd->bd); - break; - case TX_32X32: - vp9_highbd_idct32x32_add(dqcoeff, dst, stride, eob, xd->bd); - break; - default: - assert(0 && "Invalid transform size"); - } - } - } else { - if (xd->lossless) { - vp9_iwht4x4_add(dqcoeff, dst, stride, eob); - } else { - switch (tx_size) { - case TX_4X4: - vp9_idct4x4_add(dqcoeff, dst, stride, eob); - break; - case TX_8X8: - vp9_idct8x8_add(dqcoeff, dst, stride, eob); - break; - case TX_16X16: - vp9_idct16x16_add(dqcoeff, dst, stride, eob); - break; - case TX_32X32: - vp9_idct32x32_add(dqcoeff, dst, stride, eob); - break; - default: - assert(0 && "Invalid transform size"); - return; - } - } - } -#else - if (xd->lossless) { - vp9_iwht4x4_add(dqcoeff, dst, stride, eob); - } else { - switch (tx_size) { - case TX_4X4: - vp9_idct4x4_add(dqcoeff, dst, stride, eob); - break; - case TX_8X8: - vp9_idct8x8_add(dqcoeff, dst, stride, eob); - break; - case TX_16X16: - vp9_idct16x16_add(dqcoeff, dst, stride, eob); - break; - case TX_32X32: - vp9_idct32x32_add(dqcoeff, dst, stride, eob); - break; - default: - assert(0 && "Invalid transform size"); - return; - } - } -#endif // CONFIG_VP9_HIGHBITDEPTH - - if (eob == 1) { - dqcoeff[0] = 0; - } else { - if (tx_size <= TX_16X16 && eob <= 10) - memset(dqcoeff, 0, 4 * (4 << tx_size) * sizeof(dqcoeff[0])); - else if (tx_size == TX_32X32 && eob <= 34) - memset(dqcoeff, 0, 256 * sizeof(dqcoeff[0])); - else - memset(dqcoeff, 0, (16 << (tx_size << 1)) * sizeof(dqcoeff[0])); - } -} - -static void inverse_transform_block_intra(MACROBLOCKD* xd, int plane, - const TX_TYPE tx_type, - const TX_SIZE tx_size, - uint8_t *dst, int stride, - int eob) { - struct macroblockd_plane *const pd = &xd->plane[plane]; - tran_low_t *const dqcoeff = pd->dqcoeff; - assert(eob > 0); -#if CONFIG_VP9_HIGHBITDEPTH - if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { - if (xd->lossless) { - vp9_highbd_iwht4x4_add(dqcoeff, dst, stride, eob, xd->bd); - } else { - switch (tx_size) { - case TX_4X4: - vp9_highbd_iht4x4_add(tx_type, dqcoeff, dst, stride, eob, xd->bd); - break; - case TX_8X8: - vp9_highbd_iht8x8_add(tx_type, dqcoeff, dst, stride, eob, xd->bd); - break; - case TX_16X16: - vp9_highbd_iht16x16_add(tx_type, dqcoeff, dst, stride, eob, xd->bd); - break; - case TX_32X32: - vp9_highbd_idct32x32_add(dqcoeff, dst, stride, eob, xd->bd); - break; - default: - assert(0 && "Invalid transform size"); - } - } - } else { - if (xd->lossless) { - vp9_iwht4x4_add(dqcoeff, dst, stride, eob); - } else { - switch (tx_size) { - case TX_4X4: - vp9_iht4x4_add(tx_type, dqcoeff, dst, stride, eob); - break; - case TX_8X8: - vp9_iht8x8_add(tx_type, dqcoeff, dst, stride, eob); - break; - case TX_16X16: - vp9_iht16x16_add(tx_type, dqcoeff, dst, stride, eob); - break; - case TX_32X32: - vp9_idct32x32_add(dqcoeff, dst, stride, eob); - break; - default: - assert(0 && "Invalid transform size"); - return; - } - } - } -#else - if (xd->lossless) { - vp9_iwht4x4_add(dqcoeff, dst, stride, eob); - } else { - switch (tx_size) { - case TX_4X4: - vp9_iht4x4_add(tx_type, dqcoeff, dst, stride, eob); - break; - case TX_8X8: - vp9_iht8x8_add(tx_type, dqcoeff, dst, stride, eob); - break; - case TX_16X16: - vp9_iht16x16_add(tx_type, dqcoeff, dst, stride, eob); - break; - case TX_32X32: - vp9_idct32x32_add(dqcoeff, dst, stride, eob); - break; - default: - assert(0 && "Invalid transform size"); - return; - } - } -#endif // CONFIG_VP9_HIGHBITDEPTH - - if (eob == 1) { - dqcoeff[0] = 0; - } else { - if (tx_type == DCT_DCT && tx_size <= TX_16X16 && eob <= 10) - memset(dqcoeff, 0, 4 * (4 << tx_size) * sizeof(dqcoeff[0])); - else if (tx_size == TX_32X32 && eob <= 34) - memset(dqcoeff, 0, 256 * sizeof(dqcoeff[0])); - else - memset(dqcoeff, 0, (16 << (tx_size << 1)) * sizeof(dqcoeff[0])); - } -} - -static void predict_and_reconstruct_intra_block(MACROBLOCKD *const xd, - vpx_reader *r, - MODE_INFO *const mi, - int plane, - int row, int col, - TX_SIZE tx_size) { - struct macroblockd_plane *const pd = &xd->plane[plane]; - PREDICTION_MODE mode = (plane == 0) ? mi->mode : mi->uv_mode; - uint8_t *dst; - dst = &pd->dst.buf[4 * row * pd->dst.stride + 4 * col]; - - if (mi->sb_type < BLOCK_8X8) - if (plane == 0) - mode = xd->mi[0]->bmi[(row << 1) + col].as_mode; - - vp9_predict_intra_block(xd, pd->n4_wl, tx_size, mode, - dst, pd->dst.stride, dst, pd->dst.stride, - col, row, plane); - - if (!mi->skip) { - const TX_TYPE tx_type = (plane || xd->lossless) ? - DCT_DCT : intra_mode_to_tx_type_lookup[mode]; - const scan_order *sc = (plane || xd->lossless) ? - &vp9_default_scan_orders[tx_size] : &vp9_scan_orders[tx_size][tx_type]; - const int eob = vp9_decode_block_tokens(xd, plane, sc, col, row, tx_size, - r, mi->segment_id); - if (eob > 0) { - inverse_transform_block_intra(xd, plane, tx_type, tx_size, - dst, pd->dst.stride, eob); - } - } -} - -static int reconstruct_inter_block(MACROBLOCKD *const xd, vpx_reader *r, - MODE_INFO *const mi, int plane, - int row, int col, TX_SIZE tx_size) { - struct macroblockd_plane *const pd = &xd->plane[plane]; - const scan_order *sc = &vp9_default_scan_orders[tx_size]; - const int eob = vp9_decode_block_tokens(xd, plane, sc, col, row, tx_size, r, - mi->segment_id); - - if (eob > 0) { - inverse_transform_block_inter( - xd, plane, tx_size, &pd->dst.buf[4 * row * pd->dst.stride + 4 * col], - pd->dst.stride, eob); - } - return eob; -} - -static void build_mc_border(const uint8_t *src, int src_stride, - uint8_t *dst, int dst_stride, - int x, int y, int b_w, int b_h, int w, int h) { - // Get a pointer to the start of the real data for this row. - const uint8_t *ref_row = src - x - y * src_stride; - - if (y >= h) - ref_row += (h - 1) * src_stride; - else if (y > 0) - ref_row += y * src_stride; - - do { - int right = 0, copy; - int left = x < 0 ? -x : 0; - - if (left > b_w) - left = b_w; - - if (x + b_w > w) - right = x + b_w - w; - - if (right > b_w) - right = b_w; - - copy = b_w - left - right; - - if (left) - memset(dst, ref_row[0], left); - - if (copy) - memcpy(dst + left, ref_row + x + left, copy); - - if (right) - memset(dst + left + copy, ref_row[w - 1], right); - - dst += dst_stride; - ++y; - - if (y > 0 && y < h) - ref_row += src_stride; - } while (--b_h); -} - -#if CONFIG_VP9_HIGHBITDEPTH -static void high_build_mc_border(const uint8_t *src8, int src_stride, - uint16_t *dst, int dst_stride, - int x, int y, int b_w, int b_h, - int w, int h) { - // Get a pointer to the start of the real data for this row. - const uint16_t *src = CONVERT_TO_SHORTPTR(src8); - const uint16_t *ref_row = src - x - y * src_stride; - - if (y >= h) - ref_row += (h - 1) * src_stride; - else if (y > 0) - ref_row += y * src_stride; - - do { - int right = 0, copy; - int left = x < 0 ? -x : 0; - - if (left > b_w) - left = b_w; - - if (x + b_w > w) - right = x + b_w - w; - - if (right > b_w) - right = b_w; - - copy = b_w - left - right; - - if (left) - vpx_memset16(dst, ref_row[0], left); - - if (copy) - memcpy(dst + left, ref_row + x + left, copy * sizeof(uint16_t)); - - if (right) - vpx_memset16(dst + left + copy, ref_row[w - 1], right); - - dst += dst_stride; - ++y; - - if (y > 0 && y < h) - ref_row += src_stride; - } while (--b_h); -} -#endif // CONFIG_VP9_HIGHBITDEPTH - -#if CONFIG_VP9_HIGHBITDEPTH -static void extend_and_predict(const uint8_t *buf_ptr1, int pre_buf_stride, - int x0, int y0, int b_w, int b_h, - int frame_width, int frame_height, - int border_offset, - uint8_t *const dst, int dst_buf_stride, - int subpel_x, int subpel_y, - const InterpKernel *kernel, - const struct scale_factors *sf, - MACROBLOCKD *xd, - int w, int h, int ref, int xs, int ys) { - DECLARE_ALIGNED(16, uint16_t, mc_buf_high[80 * 2 * 80 * 2]); - const uint8_t *buf_ptr; - - if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { - high_build_mc_border(buf_ptr1, pre_buf_stride, mc_buf_high, b_w, - x0, y0, b_w, b_h, frame_width, frame_height); - buf_ptr = CONVERT_TO_BYTEPTR(mc_buf_high) + border_offset; - } else { - build_mc_border(buf_ptr1, pre_buf_stride, (uint8_t *)mc_buf_high, b_w, - x0, y0, b_w, b_h, frame_width, frame_height); - buf_ptr = ((uint8_t *)mc_buf_high) + border_offset; - } - - if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { - highbd_inter_predictor(buf_ptr, b_w, dst, dst_buf_stride, subpel_x, - subpel_y, sf, w, h, ref, kernel, xs, ys, xd->bd); - } else { - inter_predictor(buf_ptr, b_w, dst, dst_buf_stride, subpel_x, - subpel_y, sf, w, h, ref, kernel, xs, ys); - } -} -#else -static void extend_and_predict(const uint8_t *buf_ptr1, int pre_buf_stride, - int x0, int y0, int b_w, int b_h, - int frame_width, int frame_height, - int border_offset, - uint8_t *const dst, int dst_buf_stride, - int subpel_x, int subpel_y, - const InterpKernel *kernel, - const struct scale_factors *sf, - int w, int h, int ref, int xs, int ys) { - DECLARE_ALIGNED(16, uint8_t, mc_buf[80 * 2 * 80 * 2]); - const uint8_t *buf_ptr; - - build_mc_border(buf_ptr1, pre_buf_stride, mc_buf, b_w, - x0, y0, b_w, b_h, frame_width, frame_height); - buf_ptr = mc_buf + border_offset; - - inter_predictor(buf_ptr, b_w, dst, dst_buf_stride, subpel_x, - subpel_y, sf, w, h, ref, kernel, xs, ys); -} -#endif // CONFIG_VP9_HIGHBITDEPTH - -static void dec_build_inter_predictors(VPxWorker *const worker, MACROBLOCKD *xd, - int plane, int bw, int bh, int x, - int y, int w, int h, int mi_x, int mi_y, - const InterpKernel *kernel, - const struct scale_factors *sf, - struct buf_2d *pre_buf, - struct buf_2d *dst_buf, const MV* mv, - RefCntBuffer *ref_frame_buf, - int is_scaled, int ref) { - struct macroblockd_plane *const pd = &xd->plane[plane]; - uint8_t *const dst = dst_buf->buf + dst_buf->stride * y + x; - MV32 scaled_mv; - int xs, ys, x0, y0, x0_16, y0_16, frame_width, frame_height, - buf_stride, subpel_x, subpel_y; - uint8_t *ref_frame, *buf_ptr; - - // Get reference frame pointer, width and height. - if (plane == 0) { - frame_width = ref_frame_buf->buf.y_crop_width; - frame_height = ref_frame_buf->buf.y_crop_height; - ref_frame = ref_frame_buf->buf.y_buffer; - } else { - frame_width = ref_frame_buf->buf.uv_crop_width; - frame_height = ref_frame_buf->buf.uv_crop_height; - ref_frame = plane == 1 ? ref_frame_buf->buf.u_buffer - : ref_frame_buf->buf.v_buffer; - } - - if (is_scaled) { - const MV mv_q4 = clamp_mv_to_umv_border_sb(xd, mv, bw, bh, - pd->subsampling_x, - pd->subsampling_y); - // Co-ordinate of containing block to pixel precision. - int x_start = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)); - int y_start = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)); -#if CONFIG_BETTER_HW_COMPATIBILITY - assert(xd->mi[0]->sb_type != BLOCK_4X8 && - xd->mi[0]->sb_type != BLOCK_8X4); - assert(mv_q4.row == mv->row * (1 << (1 - pd->subsampling_y)) && - mv_q4.col == mv->col * (1 << (1 - pd->subsampling_x))); -#endif - // Co-ordinate of the block to 1/16th pixel precision. - x0_16 = (x_start + x) << SUBPEL_BITS; - y0_16 = (y_start + y) << SUBPEL_BITS; - - // Co-ordinate of current block in reference frame - // to 1/16th pixel precision. - x0_16 = sf->scale_value_x(x0_16, sf); - y0_16 = sf->scale_value_y(y0_16, sf); - - // Map the top left corner of the block into the reference frame. - x0 = sf->scale_value_x(x_start + x, sf); - y0 = sf->scale_value_y(y_start + y, sf); - - // Scale the MV and incorporate the sub-pixel offset of the block - // in the reference frame. - scaled_mv = vp9_scale_mv(&mv_q4, mi_x + x, mi_y + y, sf); - xs = sf->x_step_q4; - ys = sf->y_step_q4; - } else { - // Co-ordinate of containing block to pixel precision. - x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x; - y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y; - - // Co-ordinate of the block to 1/16th pixel precision. - x0_16 = x0 << SUBPEL_BITS; - y0_16 = y0 << SUBPEL_BITS; - - scaled_mv.row = mv->row * (1 << (1 - pd->subsampling_y)); - scaled_mv.col = mv->col * (1 << (1 - pd->subsampling_x)); - xs = ys = 16; - } - subpel_x = scaled_mv.col & SUBPEL_MASK; - subpel_y = scaled_mv.row & SUBPEL_MASK; - - // Calculate the top left corner of the best matching block in the - // reference frame. - x0 += scaled_mv.col >> SUBPEL_BITS; - y0 += scaled_mv.row >> SUBPEL_BITS; - x0_16 += scaled_mv.col; - y0_16 += scaled_mv.row; - - // Get reference block pointer. - buf_ptr = ref_frame + y0 * pre_buf->stride + x0; - buf_stride = pre_buf->stride; - - // Do border extension if there is motion or the - // width/height is not a multiple of 8 pixels. - if (is_scaled || scaled_mv.col || scaled_mv.row || - (frame_width & 0x7) || (frame_height & 0x7)) { - int y1 = ((y0_16 + (h - 1) * ys) >> SUBPEL_BITS) + 1; - - // Get reference block bottom right horizontal coordinate. - int x1 = ((x0_16 + (w - 1) * xs) >> SUBPEL_BITS) + 1; - int x_pad = 0, y_pad = 0; - - if (subpel_x || (sf->x_step_q4 != SUBPEL_SHIFTS)) { - x0 -= VP9_INTERP_EXTEND - 1; - x1 += VP9_INTERP_EXTEND; - x_pad = 1; - } - - if (subpel_y || (sf->y_step_q4 != SUBPEL_SHIFTS)) { - y0 -= VP9_INTERP_EXTEND - 1; - y1 += VP9_INTERP_EXTEND; - y_pad = 1; - } - - // Wait until reference block is ready. Pad 7 more pixels as last 7 - // pixels of each superblock row can be changed by next superblock row. - if (worker != NULL) - vp9_frameworker_wait(worker, ref_frame_buf, - VPXMAX(0, (y1 + 7)) << (plane == 0 ? 0 : 1)); - - // Skip border extension if block is inside the frame. - if (x0 < 0 || x0 > frame_width - 1 || x1 < 0 || x1 > frame_width - 1 || - y0 < 0 || y0 > frame_height - 1 || y1 < 0 || y1 > frame_height - 1) { - // Extend the border. - const uint8_t *const buf_ptr1 = ref_frame + y0 * buf_stride + x0; - const int b_w = x1 - x0 + 1; - const int b_h = y1 - y0 + 1; - const int border_offset = y_pad * 3 * b_w + x_pad * 3; - - extend_and_predict(buf_ptr1, buf_stride, x0, y0, b_w, b_h, - frame_width, frame_height, border_offset, - dst, dst_buf->stride, - subpel_x, subpel_y, - kernel, sf, -#if CONFIG_VP9_HIGHBITDEPTH - xd, -#endif - w, h, ref, xs, ys); - return; - } - } else { - // Wait until reference block is ready. Pad 7 more pixels as last 7 - // pixels of each superblock row can be changed by next superblock row. - if (worker != NULL) { - const int y1 = (y0_16 + (h - 1) * ys) >> SUBPEL_BITS; - vp9_frameworker_wait(worker, ref_frame_buf, - VPXMAX(0, (y1 + 7)) << (plane == 0 ? 0 : 1)); - } - } -#if CONFIG_VP9_HIGHBITDEPTH - if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { - highbd_inter_predictor(buf_ptr, buf_stride, dst, dst_buf->stride, subpel_x, - subpel_y, sf, w, h, ref, kernel, xs, ys, xd->bd); - } else { - inter_predictor(buf_ptr, buf_stride, dst, dst_buf->stride, subpel_x, - subpel_y, sf, w, h, ref, kernel, xs, ys); - } -#else - inter_predictor(buf_ptr, buf_stride, dst, dst_buf->stride, subpel_x, - subpel_y, sf, w, h, ref, kernel, xs, ys); -#endif // CONFIG_VP9_HIGHBITDEPTH -} - -static void dec_build_inter_predictors_sb(VP9Decoder *const pbi, - MACROBLOCKD *xd, - int mi_row, int mi_col) { - int plane; - const int mi_x = mi_col * MI_SIZE; - const int mi_y = mi_row * MI_SIZE; - const MODE_INFO *mi = xd->mi[0]; - const InterpKernel *kernel = vp9_filter_kernels[mi->interp_filter]; - const BLOCK_SIZE sb_type = mi->sb_type; - const int is_compound = has_second_ref(mi); - int ref; - int is_scaled; - VPxWorker *const fwo = pbi->frame_parallel_decode ? - pbi->frame_worker_owner : NULL; - - for (ref = 0; ref < 1 + is_compound; ++ref) { - const MV_REFERENCE_FRAME frame = mi->ref_frame[ref]; - RefBuffer *ref_buf = &pbi->common.frame_refs[frame - LAST_FRAME]; - const struct scale_factors *const sf = &ref_buf->sf; - const int idx = ref_buf->idx; - BufferPool *const pool = pbi->common.buffer_pool; - RefCntBuffer *const ref_frame_buf = &pool->frame_bufs[idx]; - - if (!vp9_is_valid_scale(sf)) - vpx_internal_error(xd->error_info, VPX_CODEC_UNSUP_BITSTREAM, - "Reference frame has invalid dimensions"); - - is_scaled = vp9_is_scaled(sf); - vp9_setup_pre_planes(xd, ref, ref_buf->buf, mi_row, mi_col, - is_scaled ? sf : NULL); - xd->block_refs[ref] = ref_buf; - - if (sb_type < BLOCK_8X8) { - for (plane = 0; plane < MAX_MB_PLANE; ++plane) { - struct macroblockd_plane *const pd = &xd->plane[plane]; - struct buf_2d *const dst_buf = &pd->dst; - const int num_4x4_w = pd->n4_w; - const int num_4x4_h = pd->n4_h; - const int n4w_x4 = 4 * num_4x4_w; - const int n4h_x4 = 4 * num_4x4_h; - struct buf_2d *const pre_buf = &pd->pre[ref]; - int i = 0, x, y; - for (y = 0; y < num_4x4_h; ++y) { - for (x = 0; x < num_4x4_w; ++x) { - const MV mv = average_split_mvs(pd, mi, ref, i++); - dec_build_inter_predictors(fwo, xd, plane, n4w_x4, n4h_x4, - 4 * x, 4 * y, 4, 4, mi_x, mi_y, kernel, - sf, pre_buf, dst_buf, &mv, - ref_frame_buf, is_scaled, ref); - } - } - } - } else { - const MV mv = mi->mv[ref].as_mv; - for (plane = 0; plane < MAX_MB_PLANE; ++plane) { - struct macroblockd_plane *const pd = &xd->plane[plane]; - struct buf_2d *const dst_buf = &pd->dst; - const int num_4x4_w = pd->n4_w; - const int num_4x4_h = pd->n4_h; - const int n4w_x4 = 4 * num_4x4_w; - const int n4h_x4 = 4 * num_4x4_h; - struct buf_2d *const pre_buf = &pd->pre[ref]; - dec_build_inter_predictors(fwo, xd, plane, n4w_x4, n4h_x4, - 0, 0, n4w_x4, n4h_x4, mi_x, mi_y, kernel, - sf, pre_buf, dst_buf, &mv, - ref_frame_buf, is_scaled, ref); - } - } - } -} - -static INLINE TX_SIZE dec_get_uv_tx_size(const MODE_INFO *mi, - int n4_wl, int n4_hl) { - // get minimum log2 num4x4s dimension - const int x = VPXMIN(n4_wl, n4_hl); - return VPXMIN(mi->tx_size, x); -} - -static INLINE void dec_reset_skip_context(MACROBLOCKD *xd) { - int i; - for (i = 0; i < MAX_MB_PLANE; i++) { - struct macroblockd_plane *const pd = &xd->plane[i]; - memset(pd->above_context, 0, sizeof(ENTROPY_CONTEXT) * pd->n4_w); - memset(pd->left_context, 0, sizeof(ENTROPY_CONTEXT) * pd->n4_h); - } -} - -static void set_plane_n4(MACROBLOCKD *const xd, int bw, int bh, int bwl, - int bhl) { - int i; - for (i = 0; i < MAX_MB_PLANE; i++) { - xd->plane[i].n4_w = (bw << 1) >> xd->plane[i].subsampling_x; - xd->plane[i].n4_h = (bh << 1) >> xd->plane[i].subsampling_y; - xd->plane[i].n4_wl = bwl - xd->plane[i].subsampling_x; - xd->plane[i].n4_hl = bhl - xd->plane[i].subsampling_y; - } -} - -static MODE_INFO *set_offsets(VP9_COMMON *const cm, MACROBLOCKD *const xd, - BLOCK_SIZE bsize, int mi_row, int mi_col, - int bw, int bh, int x_mis, int y_mis, - int bwl, int bhl) { - const int offset = mi_row * cm->mi_stride + mi_col; - int x, y; - const TileInfo *const tile = &xd->tile; - - xd->mi = cm->mi_grid_visible + offset; - xd->mi[0] = &cm->mi[offset]; - // TODO(slavarnway): Generate sb_type based on bwl and bhl, instead of - // passing bsize from decode_partition(). - xd->mi[0]->sb_type = bsize; - for (y = 0; y < y_mis; ++y) - for (x = !y; x < x_mis; ++x) { - xd->mi[y * cm->mi_stride + x] = xd->mi[0]; - } - - set_plane_n4(xd, bw, bh, bwl, bhl); - - set_skip_context(xd, mi_row, mi_col); - - // Distance of Mb to the various image edges. These are specified to 8th pel - // as they are always compared to values that are in 1/8th pel units - set_mi_row_col(xd, tile, mi_row, bh, mi_col, bw, cm->mi_rows, cm->mi_cols); - - vp9_setup_dst_planes(xd->plane, get_frame_new_buffer(cm), mi_row, mi_col); - return xd->mi[0]; -} - -static void decode_block(VP9Decoder *const pbi, MACROBLOCKD *const xd, - int mi_row, int mi_col, - vpx_reader *r, BLOCK_SIZE bsize, - int bwl, int bhl) { - VP9_COMMON *const cm = &pbi->common; - const int less8x8 = bsize < BLOCK_8X8; - const int bw = 1 << (bwl - 1); - const int bh = 1 << (bhl - 1); - const int x_mis = VPXMIN(bw, cm->mi_cols - mi_col); - const int y_mis = VPXMIN(bh, cm->mi_rows - mi_row); - - MODE_INFO *mi = set_offsets(cm, xd, bsize, mi_row, mi_col, - bw, bh, x_mis, y_mis, bwl, bhl); - - if (bsize >= BLOCK_8X8 && (cm->subsampling_x || cm->subsampling_y)) { - const BLOCK_SIZE uv_subsize = - ss_size_lookup[bsize][cm->subsampling_x][cm->subsampling_y]; - if (uv_subsize == BLOCK_INVALID) - vpx_internal_error(xd->error_info, - VPX_CODEC_CORRUPT_FRAME, "Invalid block size."); - } - - vp9_read_mode_info(pbi, xd, mi_row, mi_col, r, x_mis, y_mis); - - if (mi->skip) { - dec_reset_skip_context(xd); - } - - if (!is_inter_block(mi)) { - int plane; - for (plane = 0; plane < MAX_MB_PLANE; ++plane) { - const struct macroblockd_plane *const pd = &xd->plane[plane]; - const TX_SIZE tx_size = - plane ? dec_get_uv_tx_size(mi, pd->n4_wl, pd->n4_hl) - : mi->tx_size; - const int num_4x4_w = pd->n4_w; - const int num_4x4_h = pd->n4_h; - const int step = (1 << tx_size); - int row, col; - const int max_blocks_wide = num_4x4_w + (xd->mb_to_right_edge >= 0 ? - 0 : xd->mb_to_right_edge >> (5 + pd->subsampling_x)); - const int max_blocks_high = num_4x4_h + (xd->mb_to_bottom_edge >= 0 ? - 0 : xd->mb_to_bottom_edge >> (5 + pd->subsampling_y)); - - xd->max_blocks_wide = xd->mb_to_right_edge >= 0 ? 0 : max_blocks_wide; - xd->max_blocks_high = xd->mb_to_bottom_edge >= 0 ? 0 : max_blocks_high; - - for (row = 0; row < max_blocks_high; row += step) - for (col = 0; col < max_blocks_wide; col += step) - predict_and_reconstruct_intra_block(xd, r, mi, plane, - row, col, tx_size); - } - } else { - // Prediction - dec_build_inter_predictors_sb(pbi, xd, mi_row, mi_col); - - // Reconstruction - if (!mi->skip) { - int eobtotal = 0; - int plane; - - for (plane = 0; plane < MAX_MB_PLANE; ++plane) { - const struct macroblockd_plane *const pd = &xd->plane[plane]; - const TX_SIZE tx_size = - plane ? dec_get_uv_tx_size(mi, pd->n4_wl, pd->n4_hl) - : mi->tx_size; - const int num_4x4_w = pd->n4_w; - const int num_4x4_h = pd->n4_h; - const int step = (1 << tx_size); - int row, col; - const int max_blocks_wide = num_4x4_w + (xd->mb_to_right_edge >= 0 ? - 0 : xd->mb_to_right_edge >> (5 + pd->subsampling_x)); - const int max_blocks_high = num_4x4_h + (xd->mb_to_bottom_edge >= 0 ? - 0 : xd->mb_to_bottom_edge >> (5 + pd->subsampling_y)); - - xd->max_blocks_wide = xd->mb_to_right_edge >= 0 ? 0 : max_blocks_wide; - xd->max_blocks_high = xd->mb_to_bottom_edge >= 0 ? 0 : max_blocks_high; - - for (row = 0; row < max_blocks_high; row += step) - for (col = 0; col < max_blocks_wide; col += step) - eobtotal += reconstruct_inter_block(xd, r, mi, plane, row, col, - tx_size); - } - - if (!less8x8 && eobtotal == 0) - mi->skip = 1; // skip loopfilter - } - } - - xd->corrupted |= vpx_reader_has_error(r); - - if (cm->lf.filter_level) { - vp9_build_mask(cm, mi, mi_row, mi_col, bw, bh); - } -} - -static INLINE int dec_partition_plane_context(const MACROBLOCKD *xd, - int mi_row, int mi_col, - int bsl) { - const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col; - const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK); - int above = (*above_ctx >> bsl) & 1 , left = (*left_ctx >> bsl) & 1; - -// assert(bsl >= 0); - - return (left * 2 + above) + bsl * PARTITION_PLOFFSET; -} - -static INLINE void dec_update_partition_context(MACROBLOCKD *xd, - int mi_row, int mi_col, - BLOCK_SIZE subsize, - int bw) { - PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col; - PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK); - - // update the partition context at the end notes. set partition bits - // of block sizes larger than the current one to be one, and partition - // bits of smaller block sizes to be zero. - memset(above_ctx, partition_context_lookup[subsize].above, bw); - memset(left_ctx, partition_context_lookup[subsize].left, bw); -} - -static PARTITION_TYPE read_partition(MACROBLOCKD *xd, int mi_row, int mi_col, - vpx_reader *r, - int has_rows, int has_cols, int bsl) { - const int ctx = dec_partition_plane_context(xd, mi_row, mi_col, bsl); - const vpx_prob *const probs = get_partition_probs(xd, ctx); - FRAME_COUNTS *counts = xd->counts; - PARTITION_TYPE p; - - if (has_rows && has_cols) - p = (PARTITION_TYPE)vpx_read_tree(r, vp9_partition_tree, probs); - else if (!has_rows && has_cols) - p = vpx_read(r, probs[1]) ? PARTITION_SPLIT : PARTITION_HORZ; - else if (has_rows && !has_cols) - p = vpx_read(r, probs[2]) ? PARTITION_SPLIT : PARTITION_VERT; - else - p = PARTITION_SPLIT; - - if (counts) - ++counts->partition[ctx][p]; - - return p; -} - -// TODO(slavarnway): eliminate bsize and subsize in future commits -static void decode_partition(VP9Decoder *const pbi, MACROBLOCKD *const xd, - int mi_row, int mi_col, - vpx_reader* r, BLOCK_SIZE bsize, int n4x4_l2) { - VP9_COMMON *const cm = &pbi->common; - const int n8x8_l2 = n4x4_l2 - 1; - const int num_8x8_wh = 1 << n8x8_l2; - const int hbs = num_8x8_wh >> 1; - PARTITION_TYPE partition; - BLOCK_SIZE subsize; - const int has_rows = (mi_row + hbs) < cm->mi_rows; - const int has_cols = (mi_col + hbs) < cm->mi_cols; - - if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) - return; - - partition = read_partition(xd, mi_row, mi_col, r, has_rows, has_cols, - n8x8_l2); - subsize = subsize_lookup[partition][bsize]; // get_subsize(bsize, partition); - if (!hbs) { - // calculate bmode block dimensions (log 2) - xd->bmode_blocks_wl = 1 >> !!(partition & PARTITION_VERT); - xd->bmode_blocks_hl = 1 >> !!(partition & PARTITION_HORZ); - decode_block(pbi, xd, mi_row, mi_col, r, subsize, 1, 1); - } else { - switch (partition) { - case PARTITION_NONE: - decode_block(pbi, xd, mi_row, mi_col, r, subsize, n4x4_l2, n4x4_l2); - break; - case PARTITION_HORZ: - decode_block(pbi, xd, mi_row, mi_col, r, subsize, n4x4_l2, n8x8_l2); - if (has_rows) - decode_block(pbi, xd, mi_row + hbs, mi_col, r, subsize, n4x4_l2, - n8x8_l2); - break; - case PARTITION_VERT: - decode_block(pbi, xd, mi_row, mi_col, r, subsize, n8x8_l2, n4x4_l2); - if (has_cols) - decode_block(pbi, xd, mi_row, mi_col + hbs, r, subsize, n8x8_l2, - n4x4_l2); - break; - case PARTITION_SPLIT: - decode_partition(pbi, xd, mi_row, mi_col, r, subsize, n8x8_l2); - decode_partition(pbi, xd, mi_row, mi_col + hbs, r, subsize, n8x8_l2); - decode_partition(pbi, xd, mi_row + hbs, mi_col, r, subsize, n8x8_l2); - decode_partition(pbi, xd, mi_row + hbs, mi_col + hbs, r, subsize, - n8x8_l2); - break; - default: - assert(0 && "Invalid partition type"); - } - } - - // update partition context - if (bsize >= BLOCK_8X8 && - (bsize == BLOCK_8X8 || partition != PARTITION_SPLIT)) - dec_update_partition_context(xd, mi_row, mi_col, subsize, num_8x8_wh); -} - -static void setup_token_decoder(const uint8_t *data, - const uint8_t *data_end, - size_t read_size, - struct vpx_internal_error_info *error_info, - vpx_reader *r, - vpx_decrypt_cb decrypt_cb, - void *decrypt_state) { - // Validate the calculated partition length. If the buffer - // described by the partition can't be fully read, then restrict - // it to the portion that can be (for EC mode) or throw an error. - if (!read_is_valid(data, read_size, data_end)) - vpx_internal_error(error_info, VPX_CODEC_CORRUPT_FRAME, - "Truncated packet or corrupt tile length"); - - if (vpx_reader_init(r, data, read_size, decrypt_cb, decrypt_state)) - vpx_internal_error(error_info, VPX_CODEC_MEM_ERROR, - "Failed to allocate bool decoder %d", 1); -} - -static void read_coef_probs_common(vp9_coeff_probs_model *coef_probs, - vpx_reader *r) { - int i, j, k, l, m; - - if (vpx_read_bit(r)) - for (i = 0; i < PLANE_TYPES; ++i) - for (j = 0; j < REF_TYPES; ++j) - for (k = 0; k < COEF_BANDS; ++k) - for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) - for (m = 0; m < UNCONSTRAINED_NODES; ++m) - vp9_diff_update_prob(r, &coef_probs[i][j][k][l][m]); -} - -static void read_coef_probs(FRAME_CONTEXT *fc, TX_MODE tx_mode, - vpx_reader *r) { - const TX_SIZE max_tx_size = tx_mode_to_biggest_tx_size[tx_mode]; - TX_SIZE tx_size; - for (tx_size = TX_4X4; tx_size <= max_tx_size; ++tx_size) - read_coef_probs_common(fc->coef_probs[tx_size], r); -} - -static void setup_segmentation(struct segmentation *seg, - struct vpx_read_bit_buffer *rb) { - int i, j; - - seg->update_map = 0; - seg->update_data = 0; - - seg->enabled = vpx_rb_read_bit(rb); - if (!seg->enabled) - return; - - // Segmentation map update - seg->update_map = vpx_rb_read_bit(rb); - if (seg->update_map) { - for (i = 0; i < SEG_TREE_PROBS; i++) - seg->tree_probs[i] = vpx_rb_read_bit(rb) ? vpx_rb_read_literal(rb, 8) - : MAX_PROB; - - seg->temporal_update = vpx_rb_read_bit(rb); - if (seg->temporal_update) { - for (i = 0; i < PREDICTION_PROBS; i++) - seg->pred_probs[i] = vpx_rb_read_bit(rb) ? vpx_rb_read_literal(rb, 8) - : MAX_PROB; - } else { - for (i = 0; i < PREDICTION_PROBS; i++) - seg->pred_probs[i] = MAX_PROB; - } - } - - // Segmentation data update - seg->update_data = vpx_rb_read_bit(rb); - if (seg->update_data) { - seg->abs_delta = vpx_rb_read_bit(rb); - - vp9_clearall_segfeatures(seg); - - for (i = 0; i < MAX_SEGMENTS; i++) { - for (j = 0; j < SEG_LVL_MAX; j++) { - int data = 0; - const int feature_enabled = vpx_rb_read_bit(rb); - if (feature_enabled) { - vp9_enable_segfeature(seg, i, j); - data = decode_unsigned_max(rb, vp9_seg_feature_data_max(j)); - if (vp9_is_segfeature_signed(j)) - data = vpx_rb_read_bit(rb) ? -data : data; - } - vp9_set_segdata(seg, i, j, data); - } - } - } -} - -static void setup_loopfilter(struct loopfilter *lf, - struct vpx_read_bit_buffer *rb) { - lf->filter_level = vpx_rb_read_literal(rb, 6); - lf->sharpness_level = vpx_rb_read_literal(rb, 3); - - // Read in loop filter deltas applied at the MB level based on mode or ref - // frame. - lf->mode_ref_delta_update = 0; - - lf->mode_ref_delta_enabled = vpx_rb_read_bit(rb); - if (lf->mode_ref_delta_enabled) { - lf->mode_ref_delta_update = vpx_rb_read_bit(rb); - if (lf->mode_ref_delta_update) { - int i; - - for (i = 0; i < MAX_REF_LF_DELTAS; i++) - if (vpx_rb_read_bit(rb)) - lf->ref_deltas[i] = vpx_rb_read_signed_literal(rb, 6); - - for (i = 0; i < MAX_MODE_LF_DELTAS; i++) - if (vpx_rb_read_bit(rb)) - lf->mode_deltas[i] = vpx_rb_read_signed_literal(rb, 6); - } - } -} - -static INLINE int read_delta_q(struct vpx_read_bit_buffer *rb) { - return vpx_rb_read_bit(rb) ? vpx_rb_read_signed_literal(rb, 4) : 0; -} - -static void setup_quantization(VP9_COMMON *const cm, MACROBLOCKD *const xd, - struct vpx_read_bit_buffer *rb) { - cm->base_qindex = vpx_rb_read_literal(rb, QINDEX_BITS); - cm->y_dc_delta_q = read_delta_q(rb); - cm->uv_dc_delta_q = read_delta_q(rb); - cm->uv_ac_delta_q = read_delta_q(rb); - cm->dequant_bit_depth = cm->bit_depth; - xd->lossless = cm->base_qindex == 0 && - cm->y_dc_delta_q == 0 && - cm->uv_dc_delta_q == 0 && - cm->uv_ac_delta_q == 0; - -#if CONFIG_VP9_HIGHBITDEPTH - xd->bd = (int)cm->bit_depth; -#endif -} - -static void setup_segmentation_dequant(VP9_COMMON *const cm) { - // Build y/uv dequant values based on segmentation. - if (cm->seg.enabled) { - int i; - for (i = 0; i < MAX_SEGMENTS; ++i) { - const int qindex = vp9_get_qindex(&cm->seg, i, cm->base_qindex); - cm->y_dequant[i][0] = vp9_dc_quant(qindex, cm->y_dc_delta_q, - cm->bit_depth); - cm->y_dequant[i][1] = vp9_ac_quant(qindex, 0, cm->bit_depth); - cm->uv_dequant[i][0] = vp9_dc_quant(qindex, cm->uv_dc_delta_q, - cm->bit_depth); - cm->uv_dequant[i][1] = vp9_ac_quant(qindex, cm->uv_ac_delta_q, - cm->bit_depth); - } - } else { - const int qindex = cm->base_qindex; - // When segmentation is disabled, only the first value is used. The - // remaining are don't cares. - cm->y_dequant[0][0] = vp9_dc_quant(qindex, cm->y_dc_delta_q, cm->bit_depth); - cm->y_dequant[0][1] = vp9_ac_quant(qindex, 0, cm->bit_depth); - cm->uv_dequant[0][0] = vp9_dc_quant(qindex, cm->uv_dc_delta_q, - cm->bit_depth); - cm->uv_dequant[0][1] = vp9_ac_quant(qindex, cm->uv_ac_delta_q, - cm->bit_depth); - } -} - -static INTERP_FILTER read_interp_filter(struct vpx_read_bit_buffer *rb) { - const INTERP_FILTER literal_to_filter[] = { EIGHTTAP_SMOOTH, - EIGHTTAP, - EIGHTTAP_SHARP, - BILINEAR }; - return vpx_rb_read_bit(rb) ? SWITCHABLE - : literal_to_filter[vpx_rb_read_literal(rb, 2)]; -} - -static void setup_render_size(VP9_COMMON *cm, struct vpx_read_bit_buffer *rb) { - cm->render_width = cm->width; - cm->render_height = cm->height; - if (vpx_rb_read_bit(rb)) - vp9_read_frame_size(rb, &cm->render_width, &cm->render_height); -} - -static void resize_mv_buffer(VP9_COMMON *cm) { - vpx_free(cm->cur_frame->mvs); - cm->cur_frame->mi_rows = cm->mi_rows; - cm->cur_frame->mi_cols = cm->mi_cols; - CHECK_MEM_ERROR(cm, cm->cur_frame->mvs, - (MV_REF *)vpx_calloc(cm->mi_rows * cm->mi_cols, - sizeof(*cm->cur_frame->mvs))); -} - -static void resize_context_buffers(VP9_COMMON *cm, int width, int height) { -#if CONFIG_SIZE_LIMIT - if (width > DECODE_WIDTH_LIMIT || height > DECODE_HEIGHT_LIMIT) - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Dimensions of %dx%d beyond allowed size of %dx%d.", - width, height, DECODE_WIDTH_LIMIT, DECODE_HEIGHT_LIMIT); -#endif - if (cm->width != width || cm->height != height) { - const int new_mi_rows = - ALIGN_POWER_OF_TWO(height, MI_SIZE_LOG2) >> MI_SIZE_LOG2; - const int new_mi_cols = - ALIGN_POWER_OF_TWO(width, MI_SIZE_LOG2) >> MI_SIZE_LOG2; - - // Allocations in vp9_alloc_context_buffers() depend on individual - // dimensions as well as the overall size. - if (new_mi_cols > cm->mi_cols || new_mi_rows > cm->mi_rows) { - if (vp9_alloc_context_buffers(cm, width, height)) - vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, - "Failed to allocate context buffers"); - } else { - vp9_set_mb_mi(cm, width, height); - } - vp9_init_context_buffers(cm); - cm->width = width; - cm->height = height; - } - if (cm->cur_frame->mvs == NULL || cm->mi_rows > cm->cur_frame->mi_rows || - cm->mi_cols > cm->cur_frame->mi_cols) { - resize_mv_buffer(cm); - } -} - -static void setup_frame_size(VP9_COMMON *cm, struct vpx_read_bit_buffer *rb) { - int width, height; - BufferPool *const pool = cm->buffer_pool; - vp9_read_frame_size(rb, &width, &height); - resize_context_buffers(cm, width, height); - setup_render_size(cm, rb); - - lock_buffer_pool(pool); - if (vpx_realloc_frame_buffer( - get_frame_new_buffer(cm), cm->width, cm->height, - cm->subsampling_x, cm->subsampling_y, -#if CONFIG_VP9_HIGHBITDEPTH - cm->use_highbitdepth, -#endif - VP9_DEC_BORDER_IN_PIXELS, - cm->byte_alignment, - &pool->frame_bufs[cm->new_fb_idx].raw_frame_buffer, pool->get_fb_cb, - pool->cb_priv)) { - unlock_buffer_pool(pool); - vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, - "Failed to allocate frame buffer"); - } - unlock_buffer_pool(pool); - - pool->frame_bufs[cm->new_fb_idx].buf.subsampling_x = cm->subsampling_x; - pool->frame_bufs[cm->new_fb_idx].buf.subsampling_y = cm->subsampling_y; - pool->frame_bufs[cm->new_fb_idx].buf.bit_depth = (unsigned int)cm->bit_depth; - pool->frame_bufs[cm->new_fb_idx].buf.color_space = cm->color_space; - pool->frame_bufs[cm->new_fb_idx].buf.color_range = cm->color_range; - pool->frame_bufs[cm->new_fb_idx].buf.render_width = cm->render_width; - pool->frame_bufs[cm->new_fb_idx].buf.render_height = cm->render_height; -} - -static INLINE int valid_ref_frame_img_fmt(vpx_bit_depth_t ref_bit_depth, - int ref_xss, int ref_yss, - vpx_bit_depth_t this_bit_depth, - int this_xss, int this_yss) { - return ref_bit_depth == this_bit_depth && ref_xss == this_xss && - ref_yss == this_yss; -} - -static void setup_frame_size_with_refs(VP9_COMMON *cm, - struct vpx_read_bit_buffer *rb) { - int width, height; - int found = 0, i; - int has_valid_ref_frame = 0; - BufferPool *const pool = cm->buffer_pool; - for (i = 0; i < REFS_PER_FRAME; ++i) { - if (vpx_rb_read_bit(rb)) { - if (cm->frame_refs[i].idx != INVALID_IDX) { - YV12_BUFFER_CONFIG *const buf = cm->frame_refs[i].buf; - width = buf->y_crop_width; - height = buf->y_crop_height; - found = 1; - break; - } else { - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Failed to decode frame size"); - } - } - } - - if (!found) - vp9_read_frame_size(rb, &width, &height); - - if (width <= 0 || height <= 0) - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Invalid frame size"); - - // Check to make sure at least one of frames that this frame references - // has valid dimensions. - for (i = 0; i < REFS_PER_FRAME; ++i) { - RefBuffer *const ref_frame = &cm->frame_refs[i]; - has_valid_ref_frame |= (ref_frame->idx != INVALID_IDX && - valid_ref_frame_size(ref_frame->buf->y_crop_width, - ref_frame->buf->y_crop_height, - width, height)); - } - if (!has_valid_ref_frame) - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Referenced frame has invalid size"); - for (i = 0; i < REFS_PER_FRAME; ++i) { - RefBuffer *const ref_frame = &cm->frame_refs[i]; - if (ref_frame->idx == INVALID_IDX || - !valid_ref_frame_img_fmt(ref_frame->buf->bit_depth, - ref_frame->buf->subsampling_x, - ref_frame->buf->subsampling_y, - cm->bit_depth, - cm->subsampling_x, - cm->subsampling_y)) - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Referenced frame has incompatible color format"); - } - - resize_context_buffers(cm, width, height); - setup_render_size(cm, rb); - - lock_buffer_pool(pool); - if (vpx_realloc_frame_buffer( - get_frame_new_buffer(cm), cm->width, cm->height, - cm->subsampling_x, cm->subsampling_y, -#if CONFIG_VP9_HIGHBITDEPTH - cm->use_highbitdepth, -#endif - VP9_DEC_BORDER_IN_PIXELS, - cm->byte_alignment, - &pool->frame_bufs[cm->new_fb_idx].raw_frame_buffer, pool->get_fb_cb, - pool->cb_priv)) { - unlock_buffer_pool(pool); - vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, - "Failed to allocate frame buffer"); - } - unlock_buffer_pool(pool); - - pool->frame_bufs[cm->new_fb_idx].buf.subsampling_x = cm->subsampling_x; - pool->frame_bufs[cm->new_fb_idx].buf.subsampling_y = cm->subsampling_y; - pool->frame_bufs[cm->new_fb_idx].buf.bit_depth = (unsigned int)cm->bit_depth; - pool->frame_bufs[cm->new_fb_idx].buf.color_space = cm->color_space; - pool->frame_bufs[cm->new_fb_idx].buf.color_range = cm->color_range; - pool->frame_bufs[cm->new_fb_idx].buf.render_width = cm->render_width; - pool->frame_bufs[cm->new_fb_idx].buf.render_height = cm->render_height; -} - -static void setup_tile_info(VP9_COMMON *cm, struct vpx_read_bit_buffer *rb) { - int min_log2_tile_cols, max_log2_tile_cols, max_ones; - vp9_get_tile_n_bits(cm->mi_cols, &min_log2_tile_cols, &max_log2_tile_cols); - - // columns - max_ones = max_log2_tile_cols - min_log2_tile_cols; - cm->log2_tile_cols = min_log2_tile_cols; - while (max_ones-- && vpx_rb_read_bit(rb)) - cm->log2_tile_cols++; - - if (cm->log2_tile_cols > 6) - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Invalid number of tile columns"); - - // rows - cm->log2_tile_rows = vpx_rb_read_bit(rb); - if (cm->log2_tile_rows) - cm->log2_tile_rows += vpx_rb_read_bit(rb); -} - -// Reads the next tile returning its size and adjusting '*data' accordingly -// based on 'is_last'. -static void get_tile_buffer(const uint8_t *const data_end, - int is_last, - struct vpx_internal_error_info *error_info, - const uint8_t **data, - vpx_decrypt_cb decrypt_cb, void *decrypt_state, - TileBuffer *buf) { - size_t size; - - if (!is_last) { - if (!read_is_valid(*data, 4, data_end)) - vpx_internal_error(error_info, VPX_CODEC_CORRUPT_FRAME, - "Truncated packet or corrupt tile length"); - - if (decrypt_cb) { - uint8_t be_data[4]; - decrypt_cb(decrypt_state, *data, be_data, 4); - size = mem_get_be32(be_data); - } else { - size = mem_get_be32(*data); - } - *data += 4; - - if (size > (size_t)(data_end - *data)) - vpx_internal_error(error_info, VPX_CODEC_CORRUPT_FRAME, - "Truncated packet or corrupt tile size"); - } else { - size = data_end - *data; - } - - buf->data = *data; - buf->size = size; - - *data += size; -} - -static void get_tile_buffers(VP9Decoder *pbi, - const uint8_t *data, const uint8_t *data_end, - int tile_cols, int tile_rows, - TileBuffer (*tile_buffers)[1 << 6]) { - int r, c; - - for (r = 0; r < tile_rows; ++r) { - for (c = 0; c < tile_cols; ++c) { - const int is_last = (r == tile_rows - 1) && (c == tile_cols - 1); - TileBuffer *const buf = &tile_buffers[r][c]; - buf->col = c; - get_tile_buffer(data_end, is_last, &pbi->common.error, &data, - pbi->decrypt_cb, pbi->decrypt_state, buf); - } - } -} - -static const uint8_t *decode_tiles(VP9Decoder *pbi, - const uint8_t *data, - const uint8_t *data_end) { - VP9_COMMON *const cm = &pbi->common; - const VPxWorkerInterface *const winterface = vpx_get_worker_interface(); - const int aligned_cols = mi_cols_aligned_to_sb(cm->mi_cols); - const int tile_cols = 1 << cm->log2_tile_cols; - const int tile_rows = 1 << cm->log2_tile_rows; - TileBuffer tile_buffers[4][1 << 6]; - int tile_row, tile_col; - int mi_row, mi_col; - TileWorkerData *tile_data = NULL; - - if (cm->lf.filter_level && !cm->skip_loop_filter && - pbi->lf_worker.data1 == NULL) { - CHECK_MEM_ERROR(cm, pbi->lf_worker.data1, - vpx_memalign(32, sizeof(LFWorkerData))); - pbi->lf_worker.hook = (VPxWorkerHook)vp9_loop_filter_worker; - if (pbi->max_threads > 1 && !winterface->reset(&pbi->lf_worker)) { - vpx_internal_error(&cm->error, VPX_CODEC_ERROR, - "Loop filter thread creation failed"); - } - } - - if (cm->lf.filter_level && !cm->skip_loop_filter) { - LFWorkerData *const lf_data = (LFWorkerData*)pbi->lf_worker.data1; - // Be sure to sync as we might be resuming after a failed frame decode. - winterface->sync(&pbi->lf_worker); - vp9_loop_filter_data_reset(lf_data, get_frame_new_buffer(cm), cm, - pbi->mb.plane); - } - - assert(tile_rows <= 4); - assert(tile_cols <= (1 << 6)); - - // Note: this memset assumes above_context[0], [1] and [2] - // are allocated as part of the same buffer. - memset(cm->above_context, 0, - sizeof(*cm->above_context) * MAX_MB_PLANE * 2 * aligned_cols); - - memset(cm->above_seg_context, 0, - sizeof(*cm->above_seg_context) * aligned_cols); - - vp9_reset_lfm(cm); - - get_tile_buffers(pbi, data, data_end, tile_cols, tile_rows, tile_buffers); - - // Load all tile information into tile_data. - for (tile_row = 0; tile_row < tile_rows; ++tile_row) { - for (tile_col = 0; tile_col < tile_cols; ++tile_col) { - const TileBuffer *const buf = &tile_buffers[tile_row][tile_col]; - tile_data = pbi->tile_worker_data + tile_cols * tile_row + tile_col; - tile_data->xd = pbi->mb; - tile_data->xd.corrupted = 0; - tile_data->xd.counts = - cm->frame_parallel_decoding_mode ? NULL : &cm->counts; - vp9_zero(tile_data->dqcoeff); - vp9_tile_init(&tile_data->xd.tile, cm, tile_row, tile_col); - setup_token_decoder(buf->data, data_end, buf->size, &cm->error, - &tile_data->bit_reader, pbi->decrypt_cb, - pbi->decrypt_state); - vp9_init_macroblockd(cm, &tile_data->xd, tile_data->dqcoeff); - } - } - - for (tile_row = 0; tile_row < tile_rows; ++tile_row) { - TileInfo tile; - vp9_tile_set_row(&tile, cm, tile_row); - for (mi_row = tile.mi_row_start; mi_row < tile.mi_row_end; - mi_row += MI_BLOCK_SIZE) { - for (tile_col = 0; tile_col < tile_cols; ++tile_col) { - const int col = pbi->inv_tile_order ? - tile_cols - tile_col - 1 : tile_col; - tile_data = pbi->tile_worker_data + tile_cols * tile_row + col; - vp9_tile_set_col(&tile, cm, col); - vp9_zero(tile_data->xd.left_context); - vp9_zero(tile_data->xd.left_seg_context); - for (mi_col = tile.mi_col_start; mi_col < tile.mi_col_end; - mi_col += MI_BLOCK_SIZE) { - decode_partition(pbi, &tile_data->xd, mi_row, - mi_col, &tile_data->bit_reader, BLOCK_64X64, 4); - } - pbi->mb.corrupted |= tile_data->xd.corrupted; - if (pbi->mb.corrupted) - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Failed to decode tile data"); - } - // Loopfilter one row. - if (cm->lf.filter_level && !cm->skip_loop_filter) { - const int lf_start = mi_row - MI_BLOCK_SIZE; - LFWorkerData *const lf_data = (LFWorkerData*)pbi->lf_worker.data1; - - // delay the loopfilter by 1 macroblock row. - if (lf_start < 0) continue; - - // decoding has completed: finish up the loop filter in this thread. - if (mi_row + MI_BLOCK_SIZE >= cm->mi_rows) continue; - - winterface->sync(&pbi->lf_worker); - lf_data->start = lf_start; - lf_data->stop = mi_row; - if (pbi->max_threads > 1) { - winterface->launch(&pbi->lf_worker); - } else { - winterface->execute(&pbi->lf_worker); - } - } - // After loopfiltering, the last 7 row pixels in each superblock row may - // still be changed by the longest loopfilter of the next superblock - // row. - if (pbi->frame_parallel_decode) - vp9_frameworker_broadcast(pbi->cur_buf, - mi_row << MI_BLOCK_SIZE_LOG2); - } - } - - // Loopfilter remaining rows in the frame. - if (cm->lf.filter_level && !cm->skip_loop_filter) { - LFWorkerData *const lf_data = (LFWorkerData*)pbi->lf_worker.data1; - winterface->sync(&pbi->lf_worker); - lf_data->start = lf_data->stop; - lf_data->stop = cm->mi_rows; - winterface->execute(&pbi->lf_worker); - } - - // Get last tile data. - tile_data = pbi->tile_worker_data + tile_cols * tile_rows - 1; - - if (pbi->frame_parallel_decode) - vp9_frameworker_broadcast(pbi->cur_buf, INT_MAX); - return vpx_reader_find_end(&tile_data->bit_reader); -} - -// On entry 'tile_data->data_end' points to the end of the input frame, on exit -// it is updated to reflect the bitreader position of the final tile column if -// present in the tile buffer group or NULL otherwise. -static int tile_worker_hook(TileWorkerData *const tile_data, - VP9Decoder *const pbi) { - TileInfo *volatile tile = &tile_data->xd.tile; - const int final_col = (1 << pbi->common.log2_tile_cols) - 1; - const uint8_t *volatile bit_reader_end = NULL; - volatile int n = tile_data->buf_start; - tile_data->error_info.setjmp = 1; - - if (setjmp(tile_data->error_info.jmp)) { - tile_data->error_info.setjmp = 0; - tile_data->xd.corrupted = 1; - tile_data->data_end = NULL; - return 0; - } - - tile_data->xd.error_info = &tile_data->error_info; - tile_data->xd.corrupted = 0; - - do { - int mi_row, mi_col; - const TileBuffer *const buf = pbi->tile_buffers + n; - vp9_zero(tile_data->dqcoeff); - vp9_tile_init(tile, &pbi->common, 0, buf->col); - setup_token_decoder(buf->data, tile_data->data_end, buf->size, - &tile_data->error_info, &tile_data->bit_reader, - pbi->decrypt_cb, pbi->decrypt_state); - vp9_init_macroblockd(&pbi->common, &tile_data->xd, tile_data->dqcoeff); - - for (mi_row = tile->mi_row_start; mi_row < tile->mi_row_end; - mi_row += MI_BLOCK_SIZE) { - vp9_zero(tile_data->xd.left_context); - vp9_zero(tile_data->xd.left_seg_context); - for (mi_col = tile->mi_col_start; mi_col < tile->mi_col_end; - mi_col += MI_BLOCK_SIZE) { - decode_partition(pbi, &tile_data->xd, mi_row, mi_col, - &tile_data->bit_reader, BLOCK_64X64, 4); - } - } - - if (buf->col == final_col) { - bit_reader_end = vpx_reader_find_end(&tile_data->bit_reader); - } - } while (!tile_data->xd.corrupted && ++n <= tile_data->buf_end); - - tile_data->data_end = bit_reader_end; - return !tile_data->xd.corrupted; -} - -// sorts in descending order -static int compare_tile_buffers(const void *a, const void *b) { - const TileBuffer *const buf1 = (const TileBuffer*)a; - const TileBuffer *const buf2 = (const TileBuffer*)b; - return (int)(buf2->size - buf1->size); -} - -static const uint8_t *decode_tiles_mt(VP9Decoder *pbi, - const uint8_t *data, - const uint8_t *data_end) { - VP9_COMMON *const cm = &pbi->common; - const VPxWorkerInterface *const winterface = vpx_get_worker_interface(); - const uint8_t *bit_reader_end = NULL; - const int aligned_mi_cols = mi_cols_aligned_to_sb(cm->mi_cols); - const int tile_cols = 1 << cm->log2_tile_cols; - const int tile_rows = 1 << cm->log2_tile_rows; - const int num_workers = VPXMIN(pbi->max_threads, tile_cols); - int n; - - assert(tile_cols <= (1 << 6)); - assert(tile_rows == 1); - (void)tile_rows; - - if (pbi->num_tile_workers == 0) { - const int num_threads = pbi->max_threads; - CHECK_MEM_ERROR(cm, pbi->tile_workers, - vpx_malloc(num_threads * sizeof(*pbi->tile_workers))); - for (n = 0; n < num_threads; ++n) { - VPxWorker *const worker = &pbi->tile_workers[n]; - ++pbi->num_tile_workers; - - winterface->init(worker); - if (n < num_threads - 1 && !winterface->reset(worker)) { - vpx_internal_error(&cm->error, VPX_CODEC_ERROR, - "Tile decoder thread creation failed"); - } - } - } - - // Reset tile decoding hook - for (n = 0; n < num_workers; ++n) { - VPxWorker *const worker = &pbi->tile_workers[n]; - TileWorkerData *const tile_data = - &pbi->tile_worker_data[n + pbi->total_tiles]; - winterface->sync(worker); - tile_data->xd = pbi->mb; - tile_data->xd.counts = - cm->frame_parallel_decoding_mode ? NULL : &tile_data->counts; - worker->hook = (VPxWorkerHook)tile_worker_hook; - worker->data1 = tile_data; - worker->data2 = pbi; - } - - // Note: this memset assumes above_context[0], [1] and [2] - // are allocated as part of the same buffer. - memset(cm->above_context, 0, - sizeof(*cm->above_context) * MAX_MB_PLANE * 2 * aligned_mi_cols); - memset(cm->above_seg_context, 0, - sizeof(*cm->above_seg_context) * aligned_mi_cols); - - vp9_reset_lfm(cm); - - // Load tile data into tile_buffers - get_tile_buffers(pbi, data, data_end, tile_cols, tile_rows, - &pbi->tile_buffers); - - // Sort the buffers based on size in descending order. - qsort(pbi->tile_buffers, tile_cols, sizeof(pbi->tile_buffers[0]), - compare_tile_buffers); - - if (num_workers == tile_cols) { - // Rearrange the tile buffers such that the largest, and - // presumably the most difficult, tile will be decoded in the main thread. - // This should help minimize the number of instances where the main thread - // is waiting for a worker to complete. - const TileBuffer largest = pbi->tile_buffers[0]; - memmove(pbi->tile_buffers, pbi->tile_buffers + 1, - (tile_cols - 1) * sizeof(pbi->tile_buffers[0])); - pbi->tile_buffers[tile_cols - 1] = largest; - } else { - int start = 0, end = tile_cols - 2; - TileBuffer tmp; - - // Interleave the tiles to distribute the load between threads, assuming a - // larger tile implies it is more difficult to decode. - while (start < end) { - tmp = pbi->tile_buffers[start]; - pbi->tile_buffers[start] = pbi->tile_buffers[end]; - pbi->tile_buffers[end] = tmp; - start += 2; - end -= 2; - } - } - - // Initialize thread frame counts. - if (!cm->frame_parallel_decoding_mode) { - for (n = 0; n < num_workers; ++n) { - TileWorkerData *const tile_data = - (TileWorkerData*)pbi->tile_workers[n].data1; - vp9_zero(tile_data->counts); - } - } - - { - const int base = tile_cols / num_workers; - const int remain = tile_cols % num_workers; - int buf_start = 0; - - for (n = 0; n < num_workers; ++n) { - const int count = base + (remain + n) / num_workers; - VPxWorker *const worker = &pbi->tile_workers[n]; - TileWorkerData *const tile_data = (TileWorkerData*)worker->data1; - - tile_data->buf_start = buf_start; - tile_data->buf_end = buf_start + count - 1; - tile_data->data_end = data_end; - buf_start += count; - - worker->had_error = 0; - if (n == num_workers - 1) { - assert(tile_data->buf_end == tile_cols - 1); - winterface->execute(worker); - } else { - winterface->launch(worker); - } - } - - for (; n > 0; --n) { - VPxWorker *const worker = &pbi->tile_workers[n - 1]; - TileWorkerData *const tile_data = (TileWorkerData*)worker->data1; - // TODO(jzern): The tile may have specific error data associated with - // its vpx_internal_error_info which could be propagated to the main info - // in cm. Additionally once the threads have been synced and an error is - // detected, there's no point in continuing to decode tiles. - pbi->mb.corrupted |= !winterface->sync(worker); - if (!bit_reader_end) bit_reader_end = tile_data->data_end; - } - } - - // Accumulate thread frame counts. - if (!cm->frame_parallel_decoding_mode) { - for (n = 0; n < num_workers; ++n) { - TileWorkerData *const tile_data = - (TileWorkerData*)pbi->tile_workers[n].data1; - vp9_accumulate_frame_counts(&cm->counts, &tile_data->counts, 1); - } - } - - assert(bit_reader_end || pbi->mb.corrupted); - return bit_reader_end; -} - -static void error_handler(void *data) { - VP9_COMMON *const cm = (VP9_COMMON *)data; - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, "Truncated packet"); -} - -static void read_bitdepth_colorspace_sampling( - VP9_COMMON *cm, struct vpx_read_bit_buffer *rb) { - if (cm->profile >= PROFILE_2) { - cm->bit_depth = vpx_rb_read_bit(rb) ? VPX_BITS_12 : VPX_BITS_10; -#if CONFIG_VP9_HIGHBITDEPTH - cm->use_highbitdepth = 1; -#endif - } else { - cm->bit_depth = VPX_BITS_8; -#if CONFIG_VP9_HIGHBITDEPTH - cm->use_highbitdepth = 0; -#endif - } - cm->color_space = vpx_rb_read_literal(rb, 3); - if (cm->color_space != VPX_CS_SRGB) { - cm->color_range = (vpx_color_range_t)vpx_rb_read_bit(rb); - if (cm->profile == PROFILE_1 || cm->profile == PROFILE_3) { - cm->subsampling_x = vpx_rb_read_bit(rb); - cm->subsampling_y = vpx_rb_read_bit(rb); - if (cm->subsampling_x == 1 && cm->subsampling_y == 1) - vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, - "4:2:0 color not supported in profile 1 or 3"); - if (vpx_rb_read_bit(rb)) - vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, - "Reserved bit set"); - } else { - cm->subsampling_y = cm->subsampling_x = 1; - } - } else { - cm->color_range = VPX_CR_FULL_RANGE; - if (cm->profile == PROFILE_1 || cm->profile == PROFILE_3) { - // Note if colorspace is SRGB then 4:4:4 chroma sampling is assumed. - // 4:2:2 or 4:4:0 chroma sampling is not allowed. - cm->subsampling_y = cm->subsampling_x = 0; - if (vpx_rb_read_bit(rb)) - vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, - "Reserved bit set"); - } else { - vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, - "4:4:4 color not supported in profile 0 or 2"); - } - } -} - -static size_t read_uncompressed_header(VP9Decoder *pbi, - struct vpx_read_bit_buffer *rb) { - VP9_COMMON *const cm = &pbi->common; - BufferPool *const pool = cm->buffer_pool; - RefCntBuffer *const frame_bufs = pool->frame_bufs; - int i, mask, ref_index = 0; - size_t sz; - - cm->last_frame_type = cm->frame_type; - cm->last_intra_only = cm->intra_only; - - if (vpx_rb_read_literal(rb, 2) != VP9_FRAME_MARKER) - vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, - "Invalid frame marker"); - - cm->profile = vp9_read_profile(rb); -#if CONFIG_VP9_HIGHBITDEPTH - if (cm->profile >= MAX_PROFILES) - vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, - "Unsupported bitstream profile"); -#else - if (cm->profile >= PROFILE_2) - vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, - "Unsupported bitstream profile"); -#endif - - cm->show_existing_frame = vpx_rb_read_bit(rb); - if (cm->show_existing_frame) { - // Show an existing frame directly. - const int frame_to_show = cm->ref_frame_map[vpx_rb_read_literal(rb, 3)]; - lock_buffer_pool(pool); - if (frame_to_show < 0 || frame_bufs[frame_to_show].ref_count < 1) { - unlock_buffer_pool(pool); - vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, - "Buffer %d does not contain a decoded frame", - frame_to_show); - } - - ref_cnt_fb(frame_bufs, &cm->new_fb_idx, frame_to_show); - unlock_buffer_pool(pool); - pbi->refresh_frame_flags = 0; - cm->lf.filter_level = 0; - cm->show_frame = 1; - - if (pbi->frame_parallel_decode) { - for (i = 0; i < REF_FRAMES; ++i) - cm->next_ref_frame_map[i] = cm->ref_frame_map[i]; - } - return 0; - } - - cm->frame_type = (FRAME_TYPE) vpx_rb_read_bit(rb); - cm->show_frame = vpx_rb_read_bit(rb); - cm->error_resilient_mode = vpx_rb_read_bit(rb); - - if (cm->frame_type == KEY_FRAME) { - if (!vp9_read_sync_code(rb)) - vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, - "Invalid frame sync code"); - - read_bitdepth_colorspace_sampling(cm, rb); - pbi->refresh_frame_flags = (1 << REF_FRAMES) - 1; - - for (i = 0; i < REFS_PER_FRAME; ++i) { - cm->frame_refs[i].idx = INVALID_IDX; - cm->frame_refs[i].buf = NULL; - } - - setup_frame_size(cm, rb); - if (pbi->need_resync) { - memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map)); - pbi->need_resync = 0; - } - } else { - cm->intra_only = cm->show_frame ? 0 : vpx_rb_read_bit(rb); - - cm->reset_frame_context = cm->error_resilient_mode ? - 0 : vpx_rb_read_literal(rb, 2); - - if (cm->intra_only) { - if (!vp9_read_sync_code(rb)) - vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, - "Invalid frame sync code"); - if (cm->profile > PROFILE_0) { - read_bitdepth_colorspace_sampling(cm, rb); - } else { - // NOTE: The intra-only frame header does not include the specification - // of either the color format or color sub-sampling in profile 0. VP9 - // specifies that the default color format should be YUV 4:2:0 in this - // case (normative). - cm->color_space = VPX_CS_BT_601; - cm->color_range = VPX_CR_STUDIO_RANGE; - cm->subsampling_y = cm->subsampling_x = 1; - cm->bit_depth = VPX_BITS_8; -#if CONFIG_VP9_HIGHBITDEPTH - cm->use_highbitdepth = 0; -#endif - } - - pbi->refresh_frame_flags = vpx_rb_read_literal(rb, REF_FRAMES); - setup_frame_size(cm, rb); - if (pbi->need_resync) { - memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map)); - pbi->need_resync = 0; - } - } else if (pbi->need_resync != 1) { /* Skip if need resync */ - pbi->refresh_frame_flags = vpx_rb_read_literal(rb, REF_FRAMES); - for (i = 0; i < REFS_PER_FRAME; ++i) { - const int ref = vpx_rb_read_literal(rb, REF_FRAMES_LOG2); - const int idx = cm->ref_frame_map[ref]; - RefBuffer *const ref_frame = &cm->frame_refs[i]; - ref_frame->idx = idx; - ref_frame->buf = &frame_bufs[idx].buf; - cm->ref_frame_sign_bias[LAST_FRAME + i] = vpx_rb_read_bit(rb); - } - - setup_frame_size_with_refs(cm, rb); - - cm->allow_high_precision_mv = vpx_rb_read_bit(rb); - cm->interp_filter = read_interp_filter(rb); - - for (i = 0; i < REFS_PER_FRAME; ++i) { - RefBuffer *const ref_buf = &cm->frame_refs[i]; -#if CONFIG_VP9_HIGHBITDEPTH - vp9_setup_scale_factors_for_frame(&ref_buf->sf, - ref_buf->buf->y_crop_width, - ref_buf->buf->y_crop_height, - cm->width, cm->height, - cm->use_highbitdepth); -#else - vp9_setup_scale_factors_for_frame(&ref_buf->sf, - ref_buf->buf->y_crop_width, - ref_buf->buf->y_crop_height, - cm->width, cm->height); -#endif - } - } - } -#if CONFIG_VP9_HIGHBITDEPTH - get_frame_new_buffer(cm)->bit_depth = cm->bit_depth; -#endif - get_frame_new_buffer(cm)->color_space = cm->color_space; - get_frame_new_buffer(cm)->color_range = cm->color_range; - get_frame_new_buffer(cm)->render_width = cm->render_width; - get_frame_new_buffer(cm)->render_height = cm->render_height; - - if (pbi->need_resync) { - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Keyframe / intra-only frame required to reset decoder" - " state"); - } - - if (!cm->error_resilient_mode) { - cm->refresh_frame_context = vpx_rb_read_bit(rb); - cm->frame_parallel_decoding_mode = vpx_rb_read_bit(rb); - if (!cm->frame_parallel_decoding_mode) - vp9_zero(cm->counts); - } else { - cm->refresh_frame_context = 0; - cm->frame_parallel_decoding_mode = 1; - } - - // This flag will be overridden by the call to vp9_setup_past_independence - // below, forcing the use of context 0 for those frame types. - cm->frame_context_idx = vpx_rb_read_literal(rb, FRAME_CONTEXTS_LOG2); - - // Generate next_ref_frame_map. - lock_buffer_pool(pool); - for (mask = pbi->refresh_frame_flags; mask; mask >>= 1) { - if (mask & 1) { - cm->next_ref_frame_map[ref_index] = cm->new_fb_idx; - ++frame_bufs[cm->new_fb_idx].ref_count; - } else { - cm->next_ref_frame_map[ref_index] = cm->ref_frame_map[ref_index]; - } - // Current thread holds the reference frame. - if (cm->ref_frame_map[ref_index] >= 0) - ++frame_bufs[cm->ref_frame_map[ref_index]].ref_count; - ++ref_index; - } - - for (; ref_index < REF_FRAMES; ++ref_index) { - cm->next_ref_frame_map[ref_index] = cm->ref_frame_map[ref_index]; - // Current thread holds the reference frame. - if (cm->ref_frame_map[ref_index] >= 0) - ++frame_bufs[cm->ref_frame_map[ref_index]].ref_count; - } - unlock_buffer_pool(pool); - pbi->hold_ref_buf = 1; - - if (frame_is_intra_only(cm) || cm->error_resilient_mode) - vp9_setup_past_independence(cm); - - setup_loopfilter(&cm->lf, rb); - setup_quantization(cm, &pbi->mb, rb); - setup_segmentation(&cm->seg, rb); - setup_segmentation_dequant(cm); - - setup_tile_info(cm, rb); - sz = vpx_rb_read_literal(rb, 16); - - if (sz == 0) - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Invalid header size"); - - return sz; -} - -static int read_compressed_header(VP9Decoder *pbi, const uint8_t *data, - size_t partition_size) { - VP9_COMMON *const cm = &pbi->common; - MACROBLOCKD *const xd = &pbi->mb; - FRAME_CONTEXT *const fc = cm->fc; - vpx_reader r; - int k; - - if (vpx_reader_init(&r, data, partition_size, pbi->decrypt_cb, - pbi->decrypt_state)) - vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, - "Failed to allocate bool decoder 0"); - - cm->tx_mode = xd->lossless ? ONLY_4X4 : read_tx_mode(&r); - if (cm->tx_mode == TX_MODE_SELECT) - read_tx_mode_probs(&fc->tx_probs, &r); - read_coef_probs(fc, cm->tx_mode, &r); - - for (k = 0; k < SKIP_CONTEXTS; ++k) - vp9_diff_update_prob(&r, &fc->skip_probs[k]); - - if (!frame_is_intra_only(cm)) { - nmv_context *const nmvc = &fc->nmvc; - int i, j; - - read_inter_mode_probs(fc, &r); - - if (cm->interp_filter == SWITCHABLE) - read_switchable_interp_probs(fc, &r); - - for (i = 0; i < INTRA_INTER_CONTEXTS; i++) - vp9_diff_update_prob(&r, &fc->intra_inter_prob[i]); - - cm->reference_mode = read_frame_reference_mode(cm, &r); - if (cm->reference_mode != SINGLE_REFERENCE) - setup_compound_reference_mode(cm); - read_frame_reference_mode_probs(cm, &r); - - for (j = 0; j < BLOCK_SIZE_GROUPS; j++) - for (i = 0; i < INTRA_MODES - 1; ++i) - vp9_diff_update_prob(&r, &fc->y_mode_prob[j][i]); - - for (j = 0; j < PARTITION_CONTEXTS; ++j) - for (i = 0; i < PARTITION_TYPES - 1; ++i) - vp9_diff_update_prob(&r, &fc->partition_prob[j][i]); - - read_mv_probs(nmvc, cm->allow_high_precision_mv, &r); - } - - return vpx_reader_has_error(&r); -} - -static struct vpx_read_bit_buffer *init_read_bit_buffer( - VP9Decoder *pbi, - struct vpx_read_bit_buffer *rb, - const uint8_t *data, - const uint8_t *data_end, - uint8_t clear_data[MAX_VP9_HEADER_SIZE]) { - rb->bit_offset = 0; - rb->error_handler = error_handler; - rb->error_handler_data = &pbi->common; - if (pbi->decrypt_cb) { - const int n = (int)VPXMIN(MAX_VP9_HEADER_SIZE, data_end - data); - pbi->decrypt_cb(pbi->decrypt_state, data, clear_data, n); - rb->bit_buffer = clear_data; - rb->bit_buffer_end = clear_data + n; - } else { - rb->bit_buffer = data; - rb->bit_buffer_end = data_end; - } - return rb; -} - -//------------------------------------------------------------------------------ - -int vp9_read_sync_code(struct vpx_read_bit_buffer *const rb) { - return vpx_rb_read_literal(rb, 8) == VP9_SYNC_CODE_0 && - vpx_rb_read_literal(rb, 8) == VP9_SYNC_CODE_1 && - vpx_rb_read_literal(rb, 8) == VP9_SYNC_CODE_2; -} - -void vp9_read_frame_size(struct vpx_read_bit_buffer *rb, - int *width, int *height) { - *width = vpx_rb_read_literal(rb, 16) + 1; - *height = vpx_rb_read_literal(rb, 16) + 1; -} - -BITSTREAM_PROFILE vp9_read_profile(struct vpx_read_bit_buffer *rb) { - int profile = vpx_rb_read_bit(rb); - profile |= vpx_rb_read_bit(rb) << 1; - if (profile > 2) - profile += vpx_rb_read_bit(rb); - return (BITSTREAM_PROFILE) profile; -} - -void vp9_decode_frame(VP9Decoder *pbi, - const uint8_t *data, const uint8_t *data_end, - const uint8_t **p_data_end) { - VP9_COMMON *const cm = &pbi->common; - MACROBLOCKD *const xd = &pbi->mb; - struct vpx_read_bit_buffer rb; - int context_updated = 0; - uint8_t clear_data[MAX_VP9_HEADER_SIZE]; - const size_t first_partition_size = read_uncompressed_header(pbi, - init_read_bit_buffer(pbi, &rb, data, data_end, clear_data)); - const int tile_rows = 1 << cm->log2_tile_rows; - const int tile_cols = 1 << cm->log2_tile_cols; - YV12_BUFFER_CONFIG *const new_fb = get_frame_new_buffer(cm); - xd->cur_buf = new_fb; - - if (!first_partition_size) { - // showing a frame directly - *p_data_end = data + (cm->profile <= PROFILE_2 ? 1 : 2); - return; - } - - data += vpx_rb_bytes_read(&rb); - if (!read_is_valid(data, first_partition_size, data_end)) - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Truncated packet or corrupt header length"); - - cm->use_prev_frame_mvs = !cm->error_resilient_mode && - cm->width == cm->last_width && - cm->height == cm->last_height && - !cm->last_intra_only && - cm->last_show_frame && - (cm->last_frame_type != KEY_FRAME); - - vp9_setup_block_planes(xd, cm->subsampling_x, cm->subsampling_y); - - *cm->fc = cm->frame_contexts[cm->frame_context_idx]; - if (!cm->fc->initialized) - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Uninitialized entropy context."); - - xd->corrupted = 0; - new_fb->corrupted = read_compressed_header(pbi, data, first_partition_size); - if (new_fb->corrupted) - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Decode failed. Frame data header is corrupted."); - - if (cm->lf.filter_level && !cm->skip_loop_filter) { - vp9_loop_filter_frame_init(cm, cm->lf.filter_level); - } - - // If encoded in frame parallel mode, frame context is ready after decoding - // the frame header. - if (pbi->frame_parallel_decode && cm->frame_parallel_decoding_mode) { - VPxWorker *const worker = pbi->frame_worker_owner; - FrameWorkerData *const frame_worker_data = worker->data1; - if (cm->refresh_frame_context) { - context_updated = 1; - cm->frame_contexts[cm->frame_context_idx] = *cm->fc; - } - vp9_frameworker_lock_stats(worker); - pbi->cur_buf->row = -1; - pbi->cur_buf->col = -1; - frame_worker_data->frame_context_ready = 1; - // Signal the main thread that context is ready. - vp9_frameworker_signal_stats(worker); - vp9_frameworker_unlock_stats(worker); - } - - if (pbi->tile_worker_data == NULL || - (tile_cols * tile_rows) != pbi->total_tiles) { - const int num_tile_workers = tile_cols * tile_rows + - ((pbi->max_threads > 1) ? pbi->max_threads : 0); - const size_t twd_size = num_tile_workers * sizeof(*pbi->tile_worker_data); - // Ensure tile data offsets will be properly aligned. This may fail on - // platforms without DECLARE_ALIGNED(). - assert((sizeof(*pbi->tile_worker_data) % 16) == 0); - vpx_free(pbi->tile_worker_data); - CHECK_MEM_ERROR(cm, pbi->tile_worker_data, vpx_memalign(32, twd_size)); - pbi->total_tiles = tile_rows * tile_cols; - } - - if (pbi->max_threads > 1 && tile_rows == 1 && tile_cols > 1) { - // Multi-threaded tile decoder - *p_data_end = decode_tiles_mt(pbi, data + first_partition_size, data_end); - if (!xd->corrupted) { - if (!cm->skip_loop_filter) { - // If multiple threads are used to decode tiles, then we use those - // threads to do parallel loopfiltering. - vp9_loop_filter_frame_mt(new_fb, cm, pbi->mb.plane, - cm->lf.filter_level, 0, 0, pbi->tile_workers, - pbi->num_tile_workers, &pbi->lf_row_sync); - } - } else { - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Decode failed. Frame data is corrupted."); - } - } else { - *p_data_end = decode_tiles(pbi, data + first_partition_size, data_end); - } - - if (!xd->corrupted) { - if (!cm->error_resilient_mode && !cm->frame_parallel_decoding_mode) { - vp9_adapt_coef_probs(cm); - - if (!frame_is_intra_only(cm)) { - vp9_adapt_mode_probs(cm); - vp9_adapt_mv_probs(cm, cm->allow_high_precision_mv); - } - } - } else { - vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, - "Decode failed. Frame data is corrupted."); - } - - // Non frame parallel update frame context here. - if (cm->refresh_frame_context && !context_updated) - cm->frame_contexts[cm->frame_context_idx] = *cm->fc; -} diff --git a/thirdparty/libvpx/vp9/decoder/vp9_decodeframe.h b/thirdparty/libvpx/vp9/decoder/vp9_decodeframe.h deleted file mode 100644 index ce33cbdbd9..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_decodeframe.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Copyright (c) 2010 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - - -#ifndef VP9_DECODER_VP9_DECODEFRAME_H_ -#define VP9_DECODER_VP9_DECODEFRAME_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -#include "vp9/common/vp9_enums.h" - -struct VP9Decoder; -struct vpx_read_bit_buffer; - -int vp9_read_sync_code(struct vpx_read_bit_buffer *const rb); -void vp9_read_frame_size(struct vpx_read_bit_buffer *rb, - int *width, int *height); -BITSTREAM_PROFILE vp9_read_profile(struct vpx_read_bit_buffer *rb); - -void vp9_decode_frame(struct VP9Decoder *pbi, - const uint8_t *data, const uint8_t *data_end, - const uint8_t **p_data_end); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP9_DECODER_VP9_DECODEFRAME_H_ diff --git a/thirdparty/libvpx/vp9/decoder/vp9_decodemv.c b/thirdparty/libvpx/vp9/decoder/vp9_decodemv.c deleted file mode 100644 index ffc6839ad1..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_decodemv.c +++ /dev/null @@ -1,911 +0,0 @@ -/* - Copyright (c) 2010 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#include <assert.h> - -#include "vp9/common/vp9_common.h" -#include "vp9/common/vp9_entropy.h" -#include "vp9/common/vp9_entropymode.h" -#include "vp9/common/vp9_entropymv.h" -#include "vp9/common/vp9_mvref_common.h" -#include "vp9/common/vp9_pred_common.h" -#include "vp9/common/vp9_reconinter.h" -#include "vp9/common/vp9_seg_common.h" - -#include "vp9/decoder/vp9_decodemv.h" -#include "vp9/decoder/vp9_decodeframe.h" - -#include "vpx_dsp/vpx_dsp_common.h" - -static PREDICTION_MODE read_intra_mode(vpx_reader *r, const vpx_prob *p) { - return (PREDICTION_MODE)vpx_read_tree(r, vp9_intra_mode_tree, p); -} - -static PREDICTION_MODE read_intra_mode_y(VP9_COMMON *cm, MACROBLOCKD *xd, - vpx_reader *r, int size_group) { - const PREDICTION_MODE y_mode = - read_intra_mode(r, cm->fc->y_mode_prob[size_group]); - FRAME_COUNTS *counts = xd->counts; - if (counts) - ++counts->y_mode[size_group][y_mode]; - return y_mode; -} - -static PREDICTION_MODE read_intra_mode_uv(VP9_COMMON *cm, MACROBLOCKD *xd, - vpx_reader *r, - PREDICTION_MODE y_mode) { - const PREDICTION_MODE uv_mode = read_intra_mode(r, - cm->fc->uv_mode_prob[y_mode]); - FRAME_COUNTS *counts = xd->counts; - if (counts) - ++counts->uv_mode[y_mode][uv_mode]; - return uv_mode; -} - -static PREDICTION_MODE read_inter_mode(VP9_COMMON *cm, MACROBLOCKD *xd, - vpx_reader *r, int ctx) { - const int mode = vpx_read_tree(r, vp9_inter_mode_tree, - cm->fc->inter_mode_probs[ctx]); - FRAME_COUNTS *counts = xd->counts; - if (counts) - ++counts->inter_mode[ctx][mode]; - - return NEARESTMV + mode; -} - -static int read_segment_id(vpx_reader *r, const struct segmentation *seg) { - return vpx_read_tree(r, vp9_segment_tree, seg->tree_probs); -} - -static TX_SIZE read_selected_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd, - TX_SIZE max_tx_size, vpx_reader *r) { - FRAME_COUNTS *counts = xd->counts; - const int ctx = get_tx_size_context(xd); - const vpx_prob *tx_probs = get_tx_probs(max_tx_size, ctx, &cm->fc->tx_probs); - int tx_size = vpx_read(r, tx_probs[0]); - if (tx_size != TX_4X4 && max_tx_size >= TX_16X16) { - tx_size += vpx_read(r, tx_probs[1]); - if (tx_size != TX_8X8 && max_tx_size >= TX_32X32) - tx_size += vpx_read(r, tx_probs[2]); - } - - if (counts) - ++get_tx_counts(max_tx_size, ctx, &counts->tx)[tx_size]; - return (TX_SIZE)tx_size; -} - -static INLINE TX_SIZE read_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd, - int allow_select, vpx_reader *r) { - TX_MODE tx_mode = cm->tx_mode; - BLOCK_SIZE bsize = xd->mi[0]->sb_type; - const TX_SIZE max_tx_size = max_txsize_lookup[bsize]; - if (allow_select && tx_mode == TX_MODE_SELECT && bsize >= BLOCK_8X8) - return read_selected_tx_size(cm, xd, max_tx_size, r); - else - return VPXMIN(max_tx_size, tx_mode_to_biggest_tx_size[tx_mode]); -} - -static int dec_get_segment_id(const VP9_COMMON *cm, const uint8_t *segment_ids, - int mi_offset, int x_mis, int y_mis) { - int x, y, segment_id = INT_MAX; - - for (y = 0; y < y_mis; y++) - for (x = 0; x < x_mis; x++) - segment_id = - VPXMIN(segment_id, segment_ids[mi_offset + y * cm->mi_cols + x]); - - assert(segment_id >= 0 && segment_id < MAX_SEGMENTS); - return segment_id; -} - -static void set_segment_id(VP9_COMMON *cm, int mi_offset, - int x_mis, int y_mis, int segment_id) { - int x, y; - - assert(segment_id >= 0 && segment_id < MAX_SEGMENTS); - - for (y = 0; y < y_mis; y++) - for (x = 0; x < x_mis; x++) - cm->current_frame_seg_map[mi_offset + y * cm->mi_cols + x] = segment_id; -} - -static void copy_segment_id(const VP9_COMMON *cm, - const uint8_t *last_segment_ids, - uint8_t *current_segment_ids, - int mi_offset, int x_mis, int y_mis) { - int x, y; - - for (y = 0; y < y_mis; y++) - for (x = 0; x < x_mis; x++) - current_segment_ids[mi_offset + y * cm->mi_cols + x] = last_segment_ids ? - last_segment_ids[mi_offset + y * cm->mi_cols + x] : 0; -} - -static int read_intra_segment_id(VP9_COMMON *const cm, int mi_offset, - int x_mis, int y_mis, - vpx_reader *r) { - struct segmentation *const seg = &cm->seg; - int segment_id; - - if (!seg->enabled) - return 0; // Default for disabled segmentation - - if (!seg->update_map) { - copy_segment_id(cm, cm->last_frame_seg_map, cm->current_frame_seg_map, - mi_offset, x_mis, y_mis); - return 0; - } - - segment_id = read_segment_id(r, seg); - set_segment_id(cm, mi_offset, x_mis, y_mis, segment_id); - return segment_id; -} - -static int read_inter_segment_id(VP9_COMMON *const cm, MACROBLOCKD *const xd, - int mi_row, int mi_col, vpx_reader *r, - int x_mis, int y_mis) { - struct segmentation *const seg = &cm->seg; - MODE_INFO *const mi = xd->mi[0]; - int predicted_segment_id, segment_id; - const int mi_offset = mi_row * cm->mi_cols + mi_col; - - if (!seg->enabled) - return 0; // Default for disabled segmentation - - predicted_segment_id = cm->last_frame_seg_map ? - dec_get_segment_id(cm, cm->last_frame_seg_map, mi_offset, x_mis, y_mis) : - 0; - - if (!seg->update_map) { - copy_segment_id(cm, cm->last_frame_seg_map, cm->current_frame_seg_map, - mi_offset, x_mis, y_mis); - return predicted_segment_id; - } - - if (seg->temporal_update) { - const vpx_prob pred_prob = vp9_get_pred_prob_seg_id(seg, xd); - mi->seg_id_predicted = vpx_read(r, pred_prob); - segment_id = mi->seg_id_predicted ? predicted_segment_id - : read_segment_id(r, seg); - } else { - segment_id = read_segment_id(r, seg); - } - set_segment_id(cm, mi_offset, x_mis, y_mis, segment_id); - return segment_id; -} - -static int read_skip(VP9_COMMON *cm, const MACROBLOCKD *xd, - int segment_id, vpx_reader *r) { - if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) { - return 1; - } else { - const int ctx = vp9_get_skip_context(xd); - const int skip = vpx_read(r, cm->fc->skip_probs[ctx]); - FRAME_COUNTS *counts = xd->counts; - if (counts) - ++counts->skip[ctx][skip]; - return skip; - } -} - -static void read_intra_frame_mode_info(VP9_COMMON *const cm, - MACROBLOCKD *const xd, - int mi_row, int mi_col, vpx_reader *r, - int x_mis, int y_mis) { - MODE_INFO *const mi = xd->mi[0]; - const MODE_INFO *above_mi = xd->above_mi; - const MODE_INFO *left_mi = xd->left_mi; - const BLOCK_SIZE bsize = mi->sb_type; - int i; - const int mi_offset = mi_row * cm->mi_cols + mi_col; - - mi->segment_id = read_intra_segment_id(cm, mi_offset, x_mis, y_mis, r); - mi->skip = read_skip(cm, xd, mi->segment_id, r); - mi->tx_size = read_tx_size(cm, xd, 1, r); - mi->ref_frame[0] = INTRA_FRAME; - mi->ref_frame[1] = NONE; - - switch (bsize) { - case BLOCK_4X4: - for (i = 0; i < 4; ++i) - mi->bmi[i].as_mode = - read_intra_mode(r, get_y_mode_probs(mi, above_mi, left_mi, i)); - mi->mode = mi->bmi[3].as_mode; - break; - case BLOCK_4X8: - mi->bmi[0].as_mode = mi->bmi[2].as_mode = - read_intra_mode(r, get_y_mode_probs(mi, above_mi, left_mi, 0)); - mi->bmi[1].as_mode = mi->bmi[3].as_mode = mi->mode = - read_intra_mode(r, get_y_mode_probs(mi, above_mi, left_mi, 1)); - break; - case BLOCK_8X4: - mi->bmi[0].as_mode = mi->bmi[1].as_mode = - read_intra_mode(r, get_y_mode_probs(mi, above_mi, left_mi, 0)); - mi->bmi[2].as_mode = mi->bmi[3].as_mode = mi->mode = - read_intra_mode(r, get_y_mode_probs(mi, above_mi, left_mi, 2)); - break; - default: - mi->mode = read_intra_mode(r, - get_y_mode_probs(mi, above_mi, left_mi, 0)); - } - - mi->uv_mode = read_intra_mode(r, vp9_kf_uv_mode_prob[mi->mode]); -} - -static int read_mv_component(vpx_reader *r, - const nmv_component *mvcomp, int usehp) { - int mag, d, fr, hp; - const int sign = vpx_read(r, mvcomp->sign); - const int mv_class = vpx_read_tree(r, vp9_mv_class_tree, mvcomp->classes); - const int class0 = mv_class == MV_CLASS_0; - - // Integer part - if (class0) { - d = vpx_read_tree(r, vp9_mv_class0_tree, mvcomp->class0); - mag = 0; - } else { - int i; - const int n = mv_class + CLASS0_BITS - 1; // number of bits - - d = 0; - for (i = 0; i < n; ++i) - d |= vpx_read(r, mvcomp->bits[i]) << i; - mag = CLASS0_SIZE << (mv_class + 2); - } - - // Fractional part - fr = vpx_read_tree(r, vp9_mv_fp_tree, class0 ? mvcomp->class0_fp[d] - : mvcomp->fp); - - // High precision part (if hp is not used, the default value of the hp is 1) - hp = usehp ? vpx_read(r, class0 ? mvcomp->class0_hp : mvcomp->hp) - : 1; - - // Result - mag += ((d << 3) | (fr << 1) | hp) + 1; - return sign ? -mag : mag; -} - -static INLINE void read_mv(vpx_reader *r, MV *mv, const MV *ref, - const nmv_context *ctx, - nmv_context_counts *counts, int allow_hp) { - const MV_JOINT_TYPE joint_type = - (MV_JOINT_TYPE)vpx_read_tree(r, vp9_mv_joint_tree, ctx->joints); - const int use_hp = allow_hp && use_mv_hp(ref); - MV diff = {0, 0}; - - if (mv_joint_vertical(joint_type)) - diff.row = read_mv_component(r, &ctx->comps[0], use_hp); - - if (mv_joint_horizontal(joint_type)) - diff.col = read_mv_component(r, &ctx->comps[1], use_hp); - - vp9_inc_mv(&diff, counts); - - mv->row = ref->row + diff.row; - mv->col = ref->col + diff.col; -} - -static REFERENCE_MODE read_block_reference_mode(VP9_COMMON *cm, - const MACROBLOCKD *xd, - vpx_reader *r) { - if (cm->reference_mode == REFERENCE_MODE_SELECT) { - const int ctx = vp9_get_reference_mode_context(cm, xd); - const REFERENCE_MODE mode = - (REFERENCE_MODE)vpx_read(r, cm->fc->comp_inter_prob[ctx]); - FRAME_COUNTS *counts = xd->counts; - if (counts) - ++counts->comp_inter[ctx][mode]; - return mode; // SINGLE_REFERENCE or COMPOUND_REFERENCE - } else { - return cm->reference_mode; - } -} - -// Read the referncence frame -static void read_ref_frames(VP9_COMMON *const cm, MACROBLOCKD *const xd, - vpx_reader *r, - int segment_id, MV_REFERENCE_FRAME ref_frame[2]) { - FRAME_CONTEXT *const fc = cm->fc; - FRAME_COUNTS *counts = xd->counts; - - if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) { - ref_frame[0] = (MV_REFERENCE_FRAME)get_segdata(&cm->seg, segment_id, - SEG_LVL_REF_FRAME); - ref_frame[1] = NONE; - } else { - const REFERENCE_MODE mode = read_block_reference_mode(cm, xd, r); - // FIXME(rbultje) I'm pretty sure this breaks segmentation ref frame coding - if (mode == COMPOUND_REFERENCE) { - const int idx = cm->ref_frame_sign_bias[cm->comp_fixed_ref]; - const int ctx = vp9_get_pred_context_comp_ref_p(cm, xd); - const int bit = vpx_read(r, fc->comp_ref_prob[ctx]); - if (counts) - ++counts->comp_ref[ctx][bit]; - ref_frame[idx] = cm->comp_fixed_ref; - ref_frame[!idx] = cm->comp_var_ref[bit]; - } else if (mode == SINGLE_REFERENCE) { - const int ctx0 = vp9_get_pred_context_single_ref_p1(xd); - const int bit0 = vpx_read(r, fc->single_ref_prob[ctx0][0]); - if (counts) - ++counts->single_ref[ctx0][0][bit0]; - if (bit0) { - const int ctx1 = vp9_get_pred_context_single_ref_p2(xd); - const int bit1 = vpx_read(r, fc->single_ref_prob[ctx1][1]); - if (counts) - ++counts->single_ref[ctx1][1][bit1]; - ref_frame[0] = bit1 ? ALTREF_FRAME : GOLDEN_FRAME; - } else { - ref_frame[0] = LAST_FRAME; - } - - ref_frame[1] = NONE; - } else { - assert(0 && "Invalid prediction mode."); - } - } -} - -// TODO(slavarnway): Move this decoder version of -// vp9_get_pred_context_switchable_interp() to vp9_pred_common.h and update the -// encoder. -// -// Returns a context number for the given MB prediction signal -static int dec_get_pred_context_switchable_interp(const MACROBLOCKD *xd) { - // Note: - // The mode info data structure has a one element border above and to the - // left of the entries corresponding to real macroblocks. - // The prediction flags in these dummy entries are initialized to 0. - const MODE_INFO *const left_mi = xd->left_mi; - const int left_type = left_mi ? left_mi->interp_filter : SWITCHABLE_FILTERS; - const MODE_INFO *const above_mi = xd->above_mi; - const int above_type = above_mi ? above_mi->interp_filter - : SWITCHABLE_FILTERS; - - if (left_type == above_type) - return left_type; - else if (left_type == SWITCHABLE_FILTERS) - return above_type; - else if (above_type == SWITCHABLE_FILTERS) - return left_type; - else - return SWITCHABLE_FILTERS; -} - -static INLINE INTERP_FILTER read_switchable_interp_filter( - VP9_COMMON *const cm, MACROBLOCKD *const xd, - vpx_reader *r) { - const int ctx = dec_get_pred_context_switchable_interp(xd); - const INTERP_FILTER type = - (INTERP_FILTER)vpx_read_tree(r, vp9_switchable_interp_tree, - cm->fc->switchable_interp_prob[ctx]); - FRAME_COUNTS *counts = xd->counts; - if (counts) - ++counts->switchable_interp[ctx][type]; - return type; -} - -static void read_intra_block_mode_info(VP9_COMMON *const cm, - MACROBLOCKD *const xd, MODE_INFO *mi, - vpx_reader *r) { - const BLOCK_SIZE bsize = mi->sb_type; - int i; - - switch (bsize) { - case BLOCK_4X4: - for (i = 0; i < 4; ++i) - mi->bmi[i].as_mode = read_intra_mode_y(cm, xd, r, 0); - mi->mode = mi->bmi[3].as_mode; - break; - case BLOCK_4X8: - mi->bmi[0].as_mode = mi->bmi[2].as_mode = read_intra_mode_y(cm, xd, - r, 0); - mi->bmi[1].as_mode = mi->bmi[3].as_mode = mi->mode = - read_intra_mode_y(cm, xd, r, 0); - break; - case BLOCK_8X4: - mi->bmi[0].as_mode = mi->bmi[1].as_mode = read_intra_mode_y(cm, xd, - r, 0); - mi->bmi[2].as_mode = mi->bmi[3].as_mode = mi->mode = - read_intra_mode_y(cm, xd, r, 0); - break; - default: - mi->mode = read_intra_mode_y(cm, xd, r, size_group_lookup[bsize]); - } - - mi->uv_mode = read_intra_mode_uv(cm, xd, r, mi->mode); - - // Initialize interp_filter here so we do not have to check for inter block - // modes in dec_get_pred_context_switchable_interp() - mi->interp_filter = SWITCHABLE_FILTERS; - - mi->ref_frame[0] = INTRA_FRAME; - mi->ref_frame[1] = NONE; -} - -static INLINE int is_mv_valid(const MV *mv) { - return mv->row > MV_LOW && mv->row < MV_UPP && - mv->col > MV_LOW && mv->col < MV_UPP; -} - -static INLINE void copy_mv_pair(int_mv *dst, const int_mv *src) { - memcpy(dst, src, sizeof(*dst) * 2); -} - -static INLINE void zero_mv_pair(int_mv *dst) { - memset(dst, 0, sizeof(*dst) * 2); -} - -static INLINE int assign_mv(VP9_COMMON *cm, MACROBLOCKD *xd, - PREDICTION_MODE mode, - int_mv mv[2], int_mv ref_mv[2], - int_mv near_nearest_mv[2], - int is_compound, int allow_hp, vpx_reader *r) { - int i; - int ret = 1; - - switch (mode) { - case NEWMV: { - FRAME_COUNTS *counts = xd->counts; - nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL; - for (i = 0; i < 1 + is_compound; ++i) { - read_mv(r, &mv[i].as_mv, &ref_mv[i].as_mv, &cm->fc->nmvc, mv_counts, - allow_hp); - ret = ret && is_mv_valid(&mv[i].as_mv); - } - break; - } - case NEARMV: - case NEARESTMV: { - copy_mv_pair(mv, near_nearest_mv); - break; - } - case ZEROMV: { - zero_mv_pair(mv); - break; - } - default: { - return 0; - } - } - return ret; -} - -static int read_is_inter_block(VP9_COMMON *const cm, MACROBLOCKD *const xd, - int segment_id, vpx_reader *r) { - if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) { - return get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME) != INTRA_FRAME; - } else { - const int ctx = get_intra_inter_context(xd); - const int is_inter = vpx_read(r, cm->fc->intra_inter_prob[ctx]); - FRAME_COUNTS *counts = xd->counts; - if (counts) - ++counts->intra_inter[ctx][is_inter]; - return is_inter; - } -} - -static void dec_find_best_ref_mvs(int allow_hp, int_mv *mvlist, int_mv *best_mv, - int refmv_count) { - int i; - - // Make sure all the candidates are properly clamped etc - for (i = 0; i < refmv_count; ++i) { - lower_mv_precision(&mvlist[i].as_mv, allow_hp); - *best_mv = mvlist[i]; - } -} - -static void fpm_sync(void *const data, int mi_row) { - VP9Decoder *const pbi = (VP9Decoder *)data; - vp9_frameworker_wait(pbi->frame_worker_owner, pbi->common.prev_frame, - mi_row << MI_BLOCK_SIZE_LOG2); -} - -// This macro is used to add a motion vector mv_ref list if it isn't -// already in the list. If it's the second motion vector or early_break -// it will also skip all additional processing and jump to Done! -#define ADD_MV_REF_LIST_EB(mv, refmv_count, mv_ref_list, Done) \ - do { \ - if (refmv_count) { \ - if ((mv).as_int != (mv_ref_list)[0].as_int) { \ - (mv_ref_list)[(refmv_count)] = (mv); \ - refmv_count++; \ - goto Done; \ - } \ - } else { \ - (mv_ref_list)[(refmv_count)++] = (mv); \ - if (early_break) \ - goto Done; \ - } \ - } while (0) - -// If either reference frame is different, not INTRA, and they -// are different from each other scale and add the mv to our list. -#define IF_DIFF_REF_FRAME_ADD_MV_EB(mbmi, ref_frame, ref_sign_bias, \ - refmv_count, mv_ref_list, Done) \ - do { \ - if (is_inter_block(mbmi)) { \ - if ((mbmi)->ref_frame[0] != ref_frame) \ - ADD_MV_REF_LIST_EB(scale_mv((mbmi), 0, ref_frame, ref_sign_bias), \ - refmv_count, mv_ref_list, Done); \ - if (has_second_ref(mbmi) && \ - (mbmi)->ref_frame[1] != ref_frame && \ - (mbmi)->mv[1].as_int != (mbmi)->mv[0].as_int) \ - ADD_MV_REF_LIST_EB(scale_mv((mbmi), 1, ref_frame, ref_sign_bias), \ - refmv_count, mv_ref_list, Done); \ - } \ - } while (0) - -// This function searches the neighborhood of a given MB/SB -// to try and find candidate reference vectors. -static int dec_find_mv_refs(const VP9_COMMON *cm, const MACROBLOCKD *xd, - PREDICTION_MODE mode, MV_REFERENCE_FRAME ref_frame, - const POSITION *const mv_ref_search, - int_mv *mv_ref_list, - int mi_row, int mi_col, int block, int is_sub8x8, - find_mv_refs_sync sync, void *const data) { - const int *ref_sign_bias = cm->ref_frame_sign_bias; - int i, refmv_count = 0; - int different_ref_found = 0; - const MV_REF *const prev_frame_mvs = cm->use_prev_frame_mvs ? - cm->prev_frame->mvs + mi_row * cm->mi_cols + mi_col : NULL; - const TileInfo *const tile = &xd->tile; - // If mode is nearestmv or newmv (uses nearestmv as a reference) then stop - // searching after the first mv is found. - const int early_break = (mode != NEARMV); - - // Blank the reference vector list - memset(mv_ref_list, 0, sizeof(*mv_ref_list) * MAX_MV_REF_CANDIDATES); - - i = 0; - if (is_sub8x8) { - // If the size < 8x8 we get the mv from the bmi substructure for the - // nearest two blocks. - for (i = 0; i < 2; ++i) { - const POSITION *const mv_ref = &mv_ref_search[i]; - if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { - const MODE_INFO *const candidate_mi = - xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; - different_ref_found = 1; - - if (candidate_mi->ref_frame[0] == ref_frame) - ADD_MV_REF_LIST_EB( - get_sub_block_mv(candidate_mi, 0, mv_ref->col, block), - refmv_count, mv_ref_list, Done); - else if (candidate_mi->ref_frame[1] == ref_frame) - ADD_MV_REF_LIST_EB( - get_sub_block_mv(candidate_mi, 1, mv_ref->col, block), - refmv_count, mv_ref_list, Done); - } - } - } - - // Check the rest of the neighbors in much the same way - // as before except we don't need to keep track of sub blocks or - // mode counts. - for (; i < MVREF_NEIGHBOURS; ++i) { - const POSITION *const mv_ref = &mv_ref_search[i]; - if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { - const MODE_INFO *const candidate = - xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; - different_ref_found = 1; - - if (candidate->ref_frame[0] == ref_frame) - ADD_MV_REF_LIST_EB(candidate->mv[0], refmv_count, mv_ref_list, Done); - else if (candidate->ref_frame[1] == ref_frame) - ADD_MV_REF_LIST_EB(candidate->mv[1], refmv_count, mv_ref_list, Done); - } - } - - // TODO(hkuang): Remove this sync after fixing pthread_cond_broadcast - // on windows platform. The sync here is unnecessary if use_prev_frame_mvs - // is 0. But after removing it, there will be hang in the unit test on windows - // due to several threads waiting for a thread's signal. -#if defined(_WIN32) && !HAVE_PTHREAD_H - if (cm->frame_parallel_decode && sync != NULL) { - sync(data, mi_row); - } -#endif - - // Check the last frame's mode and mv info. - if (prev_frame_mvs) { - // Synchronize here for frame parallel decode if sync function is provided. - if (cm->frame_parallel_decode && sync != NULL) { - sync(data, mi_row); - } - - if (prev_frame_mvs->ref_frame[0] == ref_frame) { - ADD_MV_REF_LIST_EB(prev_frame_mvs->mv[0], refmv_count, mv_ref_list, Done); - } else if (prev_frame_mvs->ref_frame[1] == ref_frame) { - ADD_MV_REF_LIST_EB(prev_frame_mvs->mv[1], refmv_count, mv_ref_list, Done); - } - } - - // Since we couldn't find 2 mvs from the same reference frame - // go back through the neighbors and find motion vectors from - // different reference frames. - if (different_ref_found) { - for (i = 0; i < MVREF_NEIGHBOURS; ++i) { - const POSITION *mv_ref = &mv_ref_search[i]; - if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { - const MODE_INFO *const candidate = - xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; - - // If the candidate is INTRA we don't want to consider its mv. - IF_DIFF_REF_FRAME_ADD_MV_EB(candidate, ref_frame, ref_sign_bias, - refmv_count, mv_ref_list, Done); - } - } - } - - // Since we still don't have a candidate we'll try the last frame. - if (prev_frame_mvs) { - if (prev_frame_mvs->ref_frame[0] != ref_frame && - prev_frame_mvs->ref_frame[0] > INTRA_FRAME) { - int_mv mv = prev_frame_mvs->mv[0]; - if (ref_sign_bias[prev_frame_mvs->ref_frame[0]] != - ref_sign_bias[ref_frame]) { - mv.as_mv.row *= -1; - mv.as_mv.col *= -1; - } - ADD_MV_REF_LIST_EB(mv, refmv_count, mv_ref_list, Done); - } - - if (prev_frame_mvs->ref_frame[1] > INTRA_FRAME && - prev_frame_mvs->ref_frame[1] != ref_frame && - prev_frame_mvs->mv[1].as_int != prev_frame_mvs->mv[0].as_int) { - int_mv mv = prev_frame_mvs->mv[1]; - if (ref_sign_bias[prev_frame_mvs->ref_frame[1]] != - ref_sign_bias[ref_frame]) { - mv.as_mv.row *= -1; - mv.as_mv.col *= -1; - } - ADD_MV_REF_LIST_EB(mv, refmv_count, mv_ref_list, Done); - } - } - - if (mode == NEARMV) - refmv_count = MAX_MV_REF_CANDIDATES; - else - // we only care about the nearestmv for the remaining modes - refmv_count = 1; - - Done: - // Clamp vectors - for (i = 0; i < refmv_count; ++i) - clamp_mv_ref(&mv_ref_list[i].as_mv, xd); - - return refmv_count; -} - -static void append_sub8x8_mvs_for_idx(VP9_COMMON *cm, MACROBLOCKD *xd, - const POSITION *const mv_ref_search, - PREDICTION_MODE b_mode, int block, - int ref, int mi_row, int mi_col, - int_mv *best_sub8x8) { - int_mv mv_list[MAX_MV_REF_CANDIDATES]; - MODE_INFO *const mi = xd->mi[0]; - b_mode_info *bmi = mi->bmi; - int n; - int refmv_count; - - assert(MAX_MV_REF_CANDIDATES == 2); - - refmv_count = dec_find_mv_refs(cm, xd, b_mode, mi->ref_frame[ref], - mv_ref_search, mv_list, mi_row, mi_col, block, - 1, NULL, NULL); - - switch (block) { - case 0: - best_sub8x8->as_int = mv_list[refmv_count - 1].as_int; - break; - case 1: - case 2: - if (b_mode == NEARESTMV) { - best_sub8x8->as_int = bmi[0].as_mv[ref].as_int; - } else { - best_sub8x8->as_int = 0; - for (n = 0; n < refmv_count; ++n) - if (bmi[0].as_mv[ref].as_int != mv_list[n].as_int) { - best_sub8x8->as_int = mv_list[n].as_int; - break; - } - } - break; - case 3: - if (b_mode == NEARESTMV) { - best_sub8x8->as_int = bmi[2].as_mv[ref].as_int; - } else { - int_mv candidates[2 + MAX_MV_REF_CANDIDATES]; - candidates[0] = bmi[1].as_mv[ref]; - candidates[1] = bmi[0].as_mv[ref]; - candidates[2] = mv_list[0]; - candidates[3] = mv_list[1]; - best_sub8x8->as_int = 0; - for (n = 0; n < 2 + MAX_MV_REF_CANDIDATES; ++n) - if (bmi[2].as_mv[ref].as_int != candidates[n].as_int) { - best_sub8x8->as_int = candidates[n].as_int; - break; - } - } - break; - default: - assert(0 && "Invalid block index."); - } -} - -static uint8_t get_mode_context(const VP9_COMMON *cm, const MACROBLOCKD *xd, - const POSITION *const mv_ref_search, - int mi_row, int mi_col) { - int i; - int context_counter = 0; - const TileInfo *const tile = &xd->tile; - - // Get mode count from nearest 2 blocks - for (i = 0; i < 2; ++i) { - const POSITION *const mv_ref = &mv_ref_search[i]; - if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { - const MODE_INFO *const candidate = - xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; - // Keep counts for entropy encoding. - context_counter += mode_2_counter[candidate->mode]; - } - } - - return counter_to_context[context_counter]; -} - -static void read_inter_block_mode_info(VP9Decoder *const pbi, - MACROBLOCKD *const xd, - MODE_INFO *const mi, - int mi_row, int mi_col, vpx_reader *r) { - VP9_COMMON *const cm = &pbi->common; - const BLOCK_SIZE bsize = mi->sb_type; - const int allow_hp = cm->allow_high_precision_mv; - int_mv best_ref_mvs[2]; - int ref, is_compound; - uint8_t inter_mode_ctx; - const POSITION *const mv_ref_search = mv_ref_blocks[bsize]; - - read_ref_frames(cm, xd, r, mi->segment_id, mi->ref_frame); - is_compound = has_second_ref(mi); - inter_mode_ctx = get_mode_context(cm, xd, mv_ref_search, mi_row, mi_col); - - if (segfeature_active(&cm->seg, mi->segment_id, SEG_LVL_SKIP)) { - mi->mode = ZEROMV; - if (bsize < BLOCK_8X8) { - vpx_internal_error(xd->error_info, VPX_CODEC_UNSUP_BITSTREAM, - "Invalid usage of segement feature on small blocks"); - return; - } - } else { - if (bsize >= BLOCK_8X8) - mi->mode = read_inter_mode(cm, xd, r, inter_mode_ctx); - else - // Sub 8x8 blocks use the nearestmv as a ref_mv if the b_mode is NEWMV. - // Setting mode to NEARESTMV forces the search to stop after the nearestmv - // has been found. After b_modes have been read, mode will be overwritten - // by the last b_mode. - mi->mode = NEARESTMV; - - if (mi->mode != ZEROMV) { - for (ref = 0; ref < 1 + is_compound; ++ref) { - int_mv tmp_mvs[MAX_MV_REF_CANDIDATES]; - const MV_REFERENCE_FRAME frame = mi->ref_frame[ref]; - int refmv_count; - - refmv_count = dec_find_mv_refs(cm, xd, mi->mode, frame, mv_ref_search, - tmp_mvs, mi_row, mi_col, -1, 0, - fpm_sync, (void *)pbi); - - dec_find_best_ref_mvs(allow_hp, tmp_mvs, &best_ref_mvs[ref], - refmv_count); - } - } - } - - mi->interp_filter = (cm->interp_filter == SWITCHABLE) - ? read_switchable_interp_filter(cm, xd, r) - : cm->interp_filter; - - if (bsize < BLOCK_8X8) { - const int num_4x4_w = 1 << xd->bmode_blocks_wl; - const int num_4x4_h = 1 << xd->bmode_blocks_hl; - int idx, idy; - PREDICTION_MODE b_mode; - int_mv best_sub8x8[2]; - for (idy = 0; idy < 2; idy += num_4x4_h) { - for (idx = 0; idx < 2; idx += num_4x4_w) { - const int j = idy * 2 + idx; - b_mode = read_inter_mode(cm, xd, r, inter_mode_ctx); - - if (b_mode == NEARESTMV || b_mode == NEARMV) { - for (ref = 0; ref < 1 + is_compound; ++ref) - append_sub8x8_mvs_for_idx(cm, xd, mv_ref_search, b_mode, j, ref, - mi_row, mi_col, &best_sub8x8[ref]); - } - - if (!assign_mv(cm, xd, b_mode, mi->bmi[j].as_mv, best_ref_mvs, - best_sub8x8, is_compound, allow_hp, r)) { - xd->corrupted |= 1; - break; - } - - if (num_4x4_h == 2) - mi->bmi[j + 2] = mi->bmi[j]; - if (num_4x4_w == 2) - mi->bmi[j + 1] = mi->bmi[j]; - } - } - - mi->mode = b_mode; - - copy_mv_pair(mi->mv, mi->bmi[3].as_mv); - } else { - xd->corrupted |= !assign_mv(cm, xd, mi->mode, mi->mv, best_ref_mvs, - best_ref_mvs, is_compound, allow_hp, r); - } -} - -static void read_inter_frame_mode_info(VP9Decoder *const pbi, - MACROBLOCKD *const xd, - int mi_row, int mi_col, vpx_reader *r, - int x_mis, int y_mis) { - VP9_COMMON *const cm = &pbi->common; - MODE_INFO *const mi = xd->mi[0]; - int inter_block; - - mi->segment_id = read_inter_segment_id(cm, xd, mi_row, mi_col, r, x_mis, - y_mis); - mi->skip = read_skip(cm, xd, mi->segment_id, r); - inter_block = read_is_inter_block(cm, xd, mi->segment_id, r); - mi->tx_size = read_tx_size(cm, xd, !mi->skip || !inter_block, r); - - if (inter_block) - read_inter_block_mode_info(pbi, xd, mi, mi_row, mi_col, r); - else - read_intra_block_mode_info(cm, xd, mi, r); -} - -static INLINE void copy_ref_frame_pair(MV_REFERENCE_FRAME *dst, - const MV_REFERENCE_FRAME *src) { - memcpy(dst, src, sizeof(*dst) * 2); -} - -void vp9_read_mode_info(VP9Decoder *const pbi, MACROBLOCKD *xd, - int mi_row, int mi_col, vpx_reader *r, - int x_mis, int y_mis) { - VP9_COMMON *const cm = &pbi->common; - MODE_INFO *const mi = xd->mi[0]; - MV_REF* frame_mvs = cm->cur_frame->mvs + mi_row * cm->mi_cols + mi_col; - int w, h; - - if (frame_is_intra_only(cm)) { - read_intra_frame_mode_info(cm, xd, mi_row, mi_col, r, x_mis, y_mis); - } else { - read_inter_frame_mode_info(pbi, xd, mi_row, mi_col, r, x_mis, y_mis); - - for (h = 0; h < y_mis; ++h) { - for (w = 0; w < x_mis; ++w) { - MV_REF *const mv = frame_mvs + w; - copy_ref_frame_pair(mv->ref_frame, mi->ref_frame); - copy_mv_pair(mv->mv, mi->mv); - } - frame_mvs += cm->mi_cols; - } - } -#if CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH - if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && - (xd->above_mi == NULL || xd->left_mi == NULL) && - !is_inter_block(mi) && need_top_left[mi->uv_mode]) - assert(0); -#endif // CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH -} diff --git a/thirdparty/libvpx/vp9/decoder/vp9_decodemv.h b/thirdparty/libvpx/vp9/decoder/vp9_decodemv.h deleted file mode 100644 index 45569ec81f..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_decodemv.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Copyright (c) 2010 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#ifndef VP9_DECODER_VP9_DECODEMV_H_ -#define VP9_DECODER_VP9_DECODEMV_H_ - -#include "vpx_dsp/bitreader.h" - -#include "vp9/decoder/vp9_decoder.h" - -#ifdef __cplusplus -extern "C" { -#endif - -void vp9_read_mode_info(VP9Decoder *const pbi, MACROBLOCKD *xd, - int mi_row, int mi_col, vpx_reader *r, - int x_mis, int y_mis); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP9_DECODER_VP9_DECODEMV_H_ diff --git a/thirdparty/libvpx/vp9/decoder/vp9_decoder.c b/thirdparty/libvpx/vp9/decoder/vp9_decoder.c deleted file mode 100644 index 935c04f3aa..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_decoder.c +++ /dev/null @@ -1,518 +0,0 @@ -/* - * Copyright (c) 2010 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#include <assert.h> -#include <limits.h> -#include <stdio.h> - -#include "./vp9_rtcd.h" -#include "./vpx_dsp_rtcd.h" -#include "./vpx_scale_rtcd.h" - -#include "vpx_mem/vpx_mem.h" -#include "vpx_ports/system_state.h" -#include "vpx_ports/vpx_once.h" -#include "vpx_ports/vpx_timer.h" -#include "vpx_scale/vpx_scale.h" -#include "vpx_util/vpx_thread.h" - -#include "vp9/common/vp9_alloccommon.h" -#include "vp9/common/vp9_loopfilter.h" -#include "vp9/common/vp9_onyxc_int.h" -#if CONFIG_VP9_POSTPROC -#include "vp9/common/vp9_postproc.h" -#endif -#include "vp9/common/vp9_quant_common.h" -#include "vp9/common/vp9_reconintra.h" - -#include "vp9/decoder/vp9_decodeframe.h" -#include "vp9/decoder/vp9_decoder.h" -#include "vp9/decoder/vp9_detokenize.h" - -static void initialize_dec(void) { - static volatile int init_done = 0; - - if (!init_done) { - vp9_rtcd(); - vpx_dsp_rtcd(); - vpx_scale_rtcd(); - vp9_init_intra_predictors(); - init_done = 1; - } -} - -static void vp9_dec_setup_mi(VP9_COMMON *cm) { - cm->mi = cm->mip + cm->mi_stride + 1; - cm->mi_grid_visible = cm->mi_grid_base + cm->mi_stride + 1; - memset(cm->mi_grid_base, 0, - cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->mi_grid_base)); -} - -static int vp9_dec_alloc_mi(VP9_COMMON *cm, int mi_size) { - cm->mip = vpx_calloc(mi_size, sizeof(*cm->mip)); - if (!cm->mip) - return 1; - cm->mi_alloc_size = mi_size; - cm->mi_grid_base = (MODE_INFO **)vpx_calloc(mi_size, sizeof(MODE_INFO*)); - if (!cm->mi_grid_base) - return 1; - return 0; -} - -static void vp9_dec_free_mi(VP9_COMMON *cm) { - vpx_free(cm->mip); - cm->mip = NULL; - vpx_free(cm->mi_grid_base); - cm->mi_grid_base = NULL; -} - -VP9Decoder *vp9_decoder_create(BufferPool *const pool) { - VP9Decoder *volatile const pbi = vpx_memalign(32, sizeof(*pbi)); - VP9_COMMON *volatile const cm = pbi ? &pbi->common : NULL; - - if (!cm) - return NULL; - - vp9_zero(*pbi); - - if (setjmp(cm->error.jmp)) { - cm->error.setjmp = 0; - vp9_decoder_remove(pbi); - return NULL; - } - - cm->error.setjmp = 1; - - CHECK_MEM_ERROR(cm, cm->fc, - (FRAME_CONTEXT *)vpx_calloc(1, sizeof(*cm->fc))); - CHECK_MEM_ERROR(cm, cm->frame_contexts, - (FRAME_CONTEXT *)vpx_calloc(FRAME_CONTEXTS, - sizeof(*cm->frame_contexts))); - - pbi->need_resync = 1; - once(initialize_dec); - - // Initialize the references to not point to any frame buffers. - memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map)); - memset(&cm->next_ref_frame_map, -1, sizeof(cm->next_ref_frame_map)); - - cm->current_video_frame = 0; - pbi->ready_for_new_data = 1; - pbi->common.buffer_pool = pool; - - cm->bit_depth = VPX_BITS_8; - cm->dequant_bit_depth = VPX_BITS_8; - - cm->alloc_mi = vp9_dec_alloc_mi; - cm->free_mi = vp9_dec_free_mi; - cm->setup_mi = vp9_dec_setup_mi; - - vp9_loop_filter_init(cm); - - cm->error.setjmp = 0; - - vpx_get_worker_interface()->init(&pbi->lf_worker); - - return pbi; -} - -void vp9_decoder_remove(VP9Decoder *pbi) { - int i; - - if (!pbi) - return; - - vpx_get_worker_interface()->end(&pbi->lf_worker); - vpx_free(pbi->lf_worker.data1); - - for (i = 0; i < pbi->num_tile_workers; ++i) { - VPxWorker *const worker = &pbi->tile_workers[i]; - vpx_get_worker_interface()->end(worker); - } - - vpx_free(pbi->tile_worker_data); - vpx_free(pbi->tile_workers); - - if (pbi->num_tile_workers > 0) { - vp9_loop_filter_dealloc(&pbi->lf_row_sync); - } - - vpx_free(pbi); -} - -static int equal_dimensions(const YV12_BUFFER_CONFIG *a, - const YV12_BUFFER_CONFIG *b) { - return a->y_height == b->y_height && a->y_width == b->y_width && - a->uv_height == b->uv_height && a->uv_width == b->uv_width; -} - -vpx_codec_err_t vp9_copy_reference_dec(VP9Decoder *pbi, - VP9_REFFRAME ref_frame_flag, - YV12_BUFFER_CONFIG *sd) { - VP9_COMMON *cm = &pbi->common; - - /* TODO(jkoleszar): The decoder doesn't have any real knowledge of what the - * encoder is using the frame buffers for. This is just a stub to keep the - * vpxenc --test-decode functionality working, and will be replaced in a - * later commit that adds VP9-specific controls for this functionality. - */ - if (ref_frame_flag == VP9_LAST_FLAG) { - const YV12_BUFFER_CONFIG *const cfg = get_ref_frame(cm, 0); - if (cfg == NULL) { - vpx_internal_error(&cm->error, VPX_CODEC_ERROR, - "No 'last' reference frame"); - return VPX_CODEC_ERROR; - } - if (!equal_dimensions(cfg, sd)) - vpx_internal_error(&cm->error, VPX_CODEC_ERROR, - "Incorrect buffer dimensions"); - else - vp8_yv12_copy_frame(cfg, sd); - } else { - vpx_internal_error(&cm->error, VPX_CODEC_ERROR, - "Invalid reference frame"); - } - - return cm->error.error_code; -} - - -vpx_codec_err_t vp9_set_reference_dec(VP9_COMMON *cm, - VP9_REFFRAME ref_frame_flag, - YV12_BUFFER_CONFIG *sd) { - RefBuffer *ref_buf = NULL; - RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs; - - // TODO(jkoleszar): The decoder doesn't have any real knowledge of what the - // encoder is using the frame buffers for. This is just a stub to keep the - // vpxenc --test-decode functionality working, and will be replaced in a - // later commit that adds VP9-specific controls for this functionality. - if (ref_frame_flag == VP9_LAST_FLAG) { - ref_buf = &cm->frame_refs[0]; - } else if (ref_frame_flag == VP9_GOLD_FLAG) { - ref_buf = &cm->frame_refs[1]; - } else if (ref_frame_flag == VP9_ALT_FLAG) { - ref_buf = &cm->frame_refs[2]; - } else { - vpx_internal_error(&cm->error, VPX_CODEC_ERROR, - "Invalid reference frame"); - return cm->error.error_code; - } - - if (!equal_dimensions(ref_buf->buf, sd)) { - vpx_internal_error(&cm->error, VPX_CODEC_ERROR, - "Incorrect buffer dimensions"); - } else { - int *ref_fb_ptr = &ref_buf->idx; - - // Find an empty frame buffer. - const int free_fb = get_free_fb(cm); - if (cm->new_fb_idx == INVALID_IDX) { - vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, - "Unable to find free frame buffer"); - return cm->error.error_code; - } - - // Decrease ref_count since it will be increased again in - // ref_cnt_fb() below. - --frame_bufs[free_fb].ref_count; - - // Manage the reference counters and copy image. - ref_cnt_fb(frame_bufs, ref_fb_ptr, free_fb); - ref_buf->buf = &frame_bufs[*ref_fb_ptr].buf; - vp8_yv12_copy_frame(sd, ref_buf->buf); - } - - return cm->error.error_code; -} - -/* If any buffer updating is signaled it should be done here. */ -static void swap_frame_buffers(VP9Decoder *pbi) { - int ref_index = 0, mask; - VP9_COMMON *const cm = &pbi->common; - BufferPool *const pool = cm->buffer_pool; - RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs; - - lock_buffer_pool(pool); - for (mask = pbi->refresh_frame_flags; mask; mask >>= 1) { - const int old_idx = cm->ref_frame_map[ref_index]; - // Current thread releases the holding of reference frame. - decrease_ref_count(old_idx, frame_bufs, pool); - - // Release the reference frame in reference map. - if (mask & 1) { - decrease_ref_count(old_idx, frame_bufs, pool); - } - cm->ref_frame_map[ref_index] = cm->next_ref_frame_map[ref_index]; - ++ref_index; - } - - // Current thread releases the holding of reference frame. - for (; ref_index < REF_FRAMES && !cm->show_existing_frame; ++ref_index) { - const int old_idx = cm->ref_frame_map[ref_index]; - decrease_ref_count(old_idx, frame_bufs, pool); - cm->ref_frame_map[ref_index] = cm->next_ref_frame_map[ref_index]; - } - unlock_buffer_pool(pool); - pbi->hold_ref_buf = 0; - cm->frame_to_show = get_frame_new_buffer(cm); - - if (!pbi->frame_parallel_decode || !cm->show_frame) { - lock_buffer_pool(pool); - --frame_bufs[cm->new_fb_idx].ref_count; - unlock_buffer_pool(pool); - } - - // Invalidate these references until the next frame starts. - for (ref_index = 0; ref_index < 3; ref_index++) - cm->frame_refs[ref_index].idx = -1; -} - -int vp9_receive_compressed_data(VP9Decoder *pbi, - size_t size, const uint8_t **psource) { - VP9_COMMON *volatile const cm = &pbi->common; - BufferPool *volatile const pool = cm->buffer_pool; - RefCntBuffer *volatile const frame_bufs = cm->buffer_pool->frame_bufs; - const uint8_t *source = *psource; - int retcode = 0; - cm->error.error_code = VPX_CODEC_OK; - - if (size == 0) { - // This is used to signal that we are missing frames. - // We do not know if the missing frame(s) was supposed to update - // any of the reference buffers, but we act conservative and - // mark only the last buffer as corrupted. - // - // TODO(jkoleszar): Error concealment is undefined and non-normative - // at this point, but if it becomes so, [0] may not always be the correct - // thing to do here. - if (cm->frame_refs[0].idx > 0) { - assert(cm->frame_refs[0].buf != NULL); - cm->frame_refs[0].buf->corrupted = 1; - } - } - - pbi->ready_for_new_data = 0; - - // Check if the previous frame was a frame without any references to it. - // Release frame buffer if not decoding in frame parallel mode. - if (!pbi->frame_parallel_decode && cm->new_fb_idx >= 0 - && frame_bufs[cm->new_fb_idx].ref_count == 0) - pool->release_fb_cb(pool->cb_priv, - &frame_bufs[cm->new_fb_idx].raw_frame_buffer); - // Find a free frame buffer. Return error if can not find any. - cm->new_fb_idx = get_free_fb(cm); - if (cm->new_fb_idx == INVALID_IDX) { - vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, - "Unable to find free frame buffer"); - return cm->error.error_code; - } - - // Assign a MV array to the frame buffer. - cm->cur_frame = &pool->frame_bufs[cm->new_fb_idx]; - - pbi->hold_ref_buf = 0; - if (pbi->frame_parallel_decode) { - VPxWorker *const worker = pbi->frame_worker_owner; - vp9_frameworker_lock_stats(worker); - frame_bufs[cm->new_fb_idx].frame_worker_owner = worker; - // Reset decoding progress. - pbi->cur_buf = &frame_bufs[cm->new_fb_idx]; - pbi->cur_buf->row = -1; - pbi->cur_buf->col = -1; - vp9_frameworker_unlock_stats(worker); - } else { - pbi->cur_buf = &frame_bufs[cm->new_fb_idx]; - } - - - if (setjmp(cm->error.jmp)) { - const VPxWorkerInterface *const winterface = vpx_get_worker_interface(); - int i; - - cm->error.setjmp = 0; - pbi->ready_for_new_data = 1; - - // Synchronize all threads immediately as a subsequent decode call may - // cause a resize invalidating some allocations. - winterface->sync(&pbi->lf_worker); - for (i = 0; i < pbi->num_tile_workers; ++i) { - winterface->sync(&pbi->tile_workers[i]); - } - - lock_buffer_pool(pool); - // Release all the reference buffers if worker thread is holding them. - if (pbi->hold_ref_buf == 1) { - int ref_index = 0, mask; - for (mask = pbi->refresh_frame_flags; mask; mask >>= 1) { - const int old_idx = cm->ref_frame_map[ref_index]; - // Current thread releases the holding of reference frame. - decrease_ref_count(old_idx, frame_bufs, pool); - - // Release the reference frame in reference map. - if (mask & 1) { - decrease_ref_count(old_idx, frame_bufs, pool); - } - ++ref_index; - } - - // Current thread releases the holding of reference frame. - for (; ref_index < REF_FRAMES && !cm->show_existing_frame; ++ref_index) { - const int old_idx = cm->ref_frame_map[ref_index]; - decrease_ref_count(old_idx, frame_bufs, pool); - } - pbi->hold_ref_buf = 0; - } - // Release current frame. - decrease_ref_count(cm->new_fb_idx, frame_bufs, pool); - unlock_buffer_pool(pool); - - vpx_clear_system_state(); - return -1; - } - - cm->error.setjmp = 1; - vp9_decode_frame(pbi, source, source + size, psource); - - swap_frame_buffers(pbi); - - vpx_clear_system_state(); - - if (!cm->show_existing_frame) { - cm->last_show_frame = cm->show_frame; - cm->prev_frame = cm->cur_frame; - if (cm->seg.enabled && !pbi->frame_parallel_decode) - vp9_swap_current_and_last_seg_map(cm); - } - - // Update progress in frame parallel decode. - if (pbi->frame_parallel_decode) { - // Need to lock the mutex here as another thread may - // be accessing this buffer. - VPxWorker *const worker = pbi->frame_worker_owner; - FrameWorkerData *const frame_worker_data = worker->data1; - vp9_frameworker_lock_stats(worker); - - if (cm->show_frame) { - cm->current_video_frame++; - } - frame_worker_data->frame_decoded = 1; - frame_worker_data->frame_context_ready = 1; - vp9_frameworker_signal_stats(worker); - vp9_frameworker_unlock_stats(worker); - } else { - cm->last_width = cm->width; - cm->last_height = cm->height; - if (cm->show_frame) { - cm->current_video_frame++; - } - } - - cm->error.setjmp = 0; - return retcode; -} - -int vp9_get_raw_frame(VP9Decoder *pbi, YV12_BUFFER_CONFIG *sd, - vp9_ppflags_t *flags) { - VP9_COMMON *const cm = &pbi->common; - int ret = -1; -#if !CONFIG_VP9_POSTPROC - (void)*flags; -#endif - - if (pbi->ready_for_new_data == 1) - return ret; - - pbi->ready_for_new_data = 1; - - /* no raw frame to show!!! */ - if (!cm->show_frame) - return ret; - - pbi->ready_for_new_data = 1; - -#if CONFIG_VP9_POSTPROC - if (!cm->show_existing_frame) { - ret = vp9_post_proc_frame(cm, sd, flags); - } else { - *sd = *cm->frame_to_show; - ret = 0; - } -#else - *sd = *cm->frame_to_show; - ret = 0; -#endif /*!CONFIG_POSTPROC*/ - vpx_clear_system_state(); - return ret; -} - -vpx_codec_err_t vp9_parse_superframe_index(const uint8_t *data, - size_t data_sz, - uint32_t sizes[8], int *count, - vpx_decrypt_cb decrypt_cb, - void *decrypt_state) { - // A chunk ending with a byte matching 0xc0 is an invalid chunk unless - // it is a super frame index. If the last byte of real video compression - // data is 0xc0 the encoder must add a 0 byte. If we have the marker but - // not the associated matching marker byte at the front of the index we have - // an invalid bitstream and need to return an error. - - uint8_t marker; - - assert(data_sz); - marker = read_marker(decrypt_cb, decrypt_state, data + data_sz - 1); - *count = 0; - - if ((marker & 0xe0) == 0xc0) { - const uint32_t frames = (marker & 0x7) + 1; - const uint32_t mag = ((marker >> 3) & 0x3) + 1; - const size_t index_sz = 2 + mag * frames; - - // This chunk is marked as having a superframe index but doesn't have - // enough data for it, thus it's an invalid superframe index. - if (data_sz < index_sz) - return VPX_CODEC_CORRUPT_FRAME; - - { - const uint8_t marker2 = read_marker(decrypt_cb, decrypt_state, - data + data_sz - index_sz); - - // This chunk is marked as having a superframe index but doesn't have - // the matching marker byte at the front of the index therefore it's an - // invalid chunk. - if (marker != marker2) - return VPX_CODEC_CORRUPT_FRAME; - } - - { - // Found a valid superframe index. - uint32_t i, j; - const uint8_t *x = &data[data_sz - index_sz + 1]; - - // Frames has a maximum of 8 and mag has a maximum of 4. - uint8_t clear_buffer[32]; - assert(sizeof(clear_buffer) >= frames * mag); - if (decrypt_cb) { - decrypt_cb(decrypt_state, x, clear_buffer, frames * mag); - x = clear_buffer; - } - - for (i = 0; i < frames; ++i) { - uint32_t this_sz = 0; - - for (j = 0; j < mag; ++j) - this_sz |= ((uint32_t)(*x++)) << (j * 8); - sizes[i] = this_sz; - } - *count = frames; - } - } - return VPX_CODEC_OK; -} diff --git a/thirdparty/libvpx/vp9/decoder/vp9_decoder.h b/thirdparty/libvpx/vp9/decoder/vp9_decoder.h deleted file mode 100644 index 7111a36d37..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_decoder.h +++ /dev/null @@ -1,137 +0,0 @@ -/* - * Copyright (c) 2010 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#ifndef VP9_DECODER_VP9_DECODER_H_ -#define VP9_DECODER_VP9_DECODER_H_ - -#include "./vpx_config.h" - -#include "vpx/vpx_codec.h" -#include "vpx_dsp/bitreader.h" -#include "vpx_scale/yv12config.h" -#include "vpx_util/vpx_thread.h" - -#include "vp9/common/vp9_thread_common.h" -#include "vp9/common/vp9_onyxc_int.h" -#include "vp9/common/vp9_ppflags.h" -#include "vp9/decoder/vp9_dthread.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct TileBuffer { - const uint8_t *data; - size_t size; - int col; // only used with multi-threaded decoding -} TileBuffer; - -typedef struct TileWorkerData { - const uint8_t *data_end; - int buf_start, buf_end; // pbi->tile_buffers to decode, inclusive - vpx_reader bit_reader; - FRAME_COUNTS counts; - DECLARE_ALIGNED(16, MACROBLOCKD, xd); - /* dqcoeff are shared by all the planes. So planes must be decoded serially */ - DECLARE_ALIGNED(16, tran_low_t, dqcoeff[32 * 32]); - struct vpx_internal_error_info error_info; -} TileWorkerData; - -typedef struct VP9Decoder { - DECLARE_ALIGNED(16, MACROBLOCKD, mb); - - DECLARE_ALIGNED(16, VP9_COMMON, common); - - int ready_for_new_data; - - int refresh_frame_flags; - - int frame_parallel_decode; // frame-based threading. - - // TODO(hkuang): Combine this with cur_buf in macroblockd as they are - // the same. - RefCntBuffer *cur_buf; // Current decoding frame buffer. - - VPxWorker *frame_worker_owner; // frame_worker that owns this pbi. - VPxWorker lf_worker; - VPxWorker *tile_workers; - TileWorkerData *tile_worker_data; - TileBuffer tile_buffers[64]; - int num_tile_workers; - int total_tiles; - - VP9LfSync lf_row_sync; - - vpx_decrypt_cb decrypt_cb; - void *decrypt_state; - - int max_threads; - int inv_tile_order; - int need_resync; // wait for key/intra-only frame. - int hold_ref_buf; // hold the reference buffer. -} VP9Decoder; - -int vp9_receive_compressed_data(struct VP9Decoder *pbi, - size_t size, const uint8_t **dest); - -int vp9_get_raw_frame(struct VP9Decoder *pbi, YV12_BUFFER_CONFIG *sd, - vp9_ppflags_t *flags); - -vpx_codec_err_t vp9_copy_reference_dec(struct VP9Decoder *pbi, - VP9_REFFRAME ref_frame_flag, - YV12_BUFFER_CONFIG *sd); - -vpx_codec_err_t vp9_set_reference_dec(VP9_COMMON *cm, - VP9_REFFRAME ref_frame_flag, - YV12_BUFFER_CONFIG *sd); - -static INLINE uint8_t read_marker(vpx_decrypt_cb decrypt_cb, - void *decrypt_state, - const uint8_t *data) { - if (decrypt_cb) { - uint8_t marker; - decrypt_cb(decrypt_state, data, &marker, 1); - return marker; - } - return *data; -} - -// This function is exposed for use in tests, as well as the inlined function -// "read_marker". -vpx_codec_err_t vp9_parse_superframe_index(const uint8_t *data, - size_t data_sz, - uint32_t sizes[8], int *count, - vpx_decrypt_cb decrypt_cb, - void *decrypt_state); - -struct VP9Decoder *vp9_decoder_create(BufferPool *const pool); - -void vp9_decoder_remove(struct VP9Decoder *pbi); - -static INLINE void decrease_ref_count(int idx, RefCntBuffer *const frame_bufs, - BufferPool *const pool) { - if (idx >= 0 && frame_bufs[idx].ref_count > 0) { - --frame_bufs[idx].ref_count; - // A worker may only get a free framebuffer index when calling get_free_fb. - // But the private buffer is not set up until finish decoding header. - // So any error happens during decoding header, the frame_bufs will not - // have valid priv buffer. - if (frame_bufs[idx].ref_count == 0 && - frame_bufs[idx].raw_frame_buffer.priv) { - pool->release_fb_cb(pool->cb_priv, &frame_bufs[idx].raw_frame_buffer); - } - } -} - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP9_DECODER_VP9_DECODER_H_ diff --git a/thirdparty/libvpx/vp9/decoder/vp9_detokenize.c b/thirdparty/libvpx/vp9/decoder/vp9_detokenize.c deleted file mode 100644 index 47dc107fe2..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_detokenize.c +++ /dev/null @@ -1,224 +0,0 @@ -/* - * Copyright (c) 2010 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#include "vpx_mem/vpx_mem.h" -#include "vpx_ports/mem.h" - -#include "vp9/common/vp9_blockd.h" -#include "vp9/common/vp9_common.h" -#include "vp9/common/vp9_entropy.h" -#if CONFIG_COEFFICIENT_RANGE_CHECKING -#include "vp9/common/vp9_idct.h" -#endif - -#include "vp9/decoder/vp9_detokenize.h" - -#define EOB_CONTEXT_NODE 0 -#define ZERO_CONTEXT_NODE 1 -#define ONE_CONTEXT_NODE 2 - -#define INCREMENT_COUNT(token) \ - do { \ - if (counts) \ - ++coef_counts[band][ctx][token]; \ - } while (0) - -static INLINE int read_coeff(const vpx_prob *probs, int n, vpx_reader *r) { - int i, val = 0; - for (i = 0; i < n; ++i) - val = (val << 1) | vpx_read(r, probs[i]); - return val; -} - -static int decode_coefs(const MACROBLOCKD *xd, - PLANE_TYPE type, - tran_low_t *dqcoeff, TX_SIZE tx_size, const int16_t *dq, - int ctx, const int16_t *scan, const int16_t *nb, - vpx_reader *r) { - FRAME_COUNTS *counts = xd->counts; - const int max_eob = 16 << (tx_size << 1); - const FRAME_CONTEXT *const fc = xd->fc; - const int ref = is_inter_block(xd->mi[0]); - int band, c = 0; - const vpx_prob (*coef_probs)[COEFF_CONTEXTS][UNCONSTRAINED_NODES] = - fc->coef_probs[tx_size][type][ref]; - const vpx_prob *prob; - unsigned int (*coef_counts)[COEFF_CONTEXTS][UNCONSTRAINED_NODES + 1]; - unsigned int (*eob_branch_count)[COEFF_CONTEXTS]; - uint8_t token_cache[32 * 32]; - const uint8_t *band_translate = get_band_translate(tx_size); - const int dq_shift = (tx_size == TX_32X32); - int v, token; - int16_t dqv = dq[0]; - const uint8_t *const cat6_prob = -#if CONFIG_VP9_HIGHBITDEPTH - (xd->bd == VPX_BITS_12) ? vp9_cat6_prob_high12 : - (xd->bd == VPX_BITS_10) ? vp9_cat6_prob_high12 + 2 : -#endif // CONFIG_VP9_HIGHBITDEPTH - vp9_cat6_prob; - const int cat6_bits = -#if CONFIG_VP9_HIGHBITDEPTH - (xd->bd == VPX_BITS_12) ? 18 : - (xd->bd == VPX_BITS_10) ? 16 : -#endif // CONFIG_VP9_HIGHBITDEPTH - 14; - - if (counts) { - coef_counts = counts->coef[tx_size][type][ref]; - eob_branch_count = counts->eob_branch[tx_size][type][ref]; - } - - while (c < max_eob) { - int val = -1; - band = *band_translate++; - prob = coef_probs[band][ctx]; - if (counts) - ++eob_branch_count[band][ctx]; - if (!vpx_read(r, prob[EOB_CONTEXT_NODE])) { - INCREMENT_COUNT(EOB_MODEL_TOKEN); - break; - } - - while (!vpx_read(r, prob[ZERO_CONTEXT_NODE])) { - INCREMENT_COUNT(ZERO_TOKEN); - dqv = dq[1]; - token_cache[scan[c]] = 0; - ++c; - if (c >= max_eob) - return c; // zero tokens at the end (no eob token) - ctx = get_coef_context(nb, token_cache, c); - band = *band_translate++; - prob = coef_probs[band][ctx]; - } - - if (!vpx_read(r, prob[ONE_CONTEXT_NODE])) { - INCREMENT_COUNT(ONE_TOKEN); - token = ONE_TOKEN; - val = 1; - } else { - INCREMENT_COUNT(TWO_TOKEN); - token = vpx_read_tree(r, vp9_coef_con_tree, - vp9_pareto8_full[prob[PIVOT_NODE] - 1]); - switch (token) { - case TWO_TOKEN: - case THREE_TOKEN: - case FOUR_TOKEN: - val = token; - break; - case CATEGORY1_TOKEN: - val = CAT1_MIN_VAL + read_coeff(vp9_cat1_prob, 1, r); - break; - case CATEGORY2_TOKEN: - val = CAT2_MIN_VAL + read_coeff(vp9_cat2_prob, 2, r); - break; - case CATEGORY3_TOKEN: - val = CAT3_MIN_VAL + read_coeff(vp9_cat3_prob, 3, r); - break; - case CATEGORY4_TOKEN: - val = CAT4_MIN_VAL + read_coeff(vp9_cat4_prob, 4, r); - break; - case CATEGORY5_TOKEN: - val = CAT5_MIN_VAL + read_coeff(vp9_cat5_prob, 5, r); - break; - case CATEGORY6_TOKEN: - val = CAT6_MIN_VAL + read_coeff(cat6_prob, cat6_bits, r); - break; - } - } - v = (val * dqv) >> dq_shift; -#if CONFIG_COEFFICIENT_RANGE_CHECKING -#if CONFIG_VP9_HIGHBITDEPTH - dqcoeff[scan[c]] = highbd_check_range((vpx_read_bit(r) ? -v : v), - xd->bd); -#else - dqcoeff[scan[c]] = check_range(vpx_read_bit(r) ? -v : v); -#endif // CONFIG_VP9_HIGHBITDEPTH -#else - dqcoeff[scan[c]] = vpx_read_bit(r) ? -v : v; -#endif // CONFIG_COEFFICIENT_RANGE_CHECKING - token_cache[scan[c]] = vp9_pt_energy_class[token]; - ++c; - ctx = get_coef_context(nb, token_cache, c); - dqv = dq[1]; - } - - return c; -} - -static void get_ctx_shift(MACROBLOCKD *xd, int *ctx_shift_a, int *ctx_shift_l, - int x, int y, unsigned int tx_size_in_blocks) { - if (xd->max_blocks_wide) { - if (tx_size_in_blocks + x > xd->max_blocks_wide) - *ctx_shift_a = (tx_size_in_blocks - (xd->max_blocks_wide - x)) * 8; - } - if (xd->max_blocks_high) { - if (tx_size_in_blocks + y > xd->max_blocks_high) - *ctx_shift_l = (tx_size_in_blocks - (xd->max_blocks_high - y)) * 8; - } -} - -int vp9_decode_block_tokens(MACROBLOCKD *xd, int plane, const scan_order *sc, - int x, int y, TX_SIZE tx_size, vpx_reader *r, - int seg_id) { - struct macroblockd_plane *const pd = &xd->plane[plane]; - const int16_t *const dequant = pd->seg_dequant[seg_id]; - int eob; - ENTROPY_CONTEXT *a = pd->above_context + x; - ENTROPY_CONTEXT *l = pd->left_context + y; - int ctx; - int ctx_shift_a = 0; - int ctx_shift_l = 0; - - switch (tx_size) { - case TX_4X4: - ctx = a[0] != 0; - ctx += l[0] != 0; - eob = decode_coefs(xd, get_plane_type(plane), pd->dqcoeff, tx_size, - dequant, ctx, sc->scan, sc->neighbors, r); - a[0] = l[0] = (eob > 0); - break; - case TX_8X8: - get_ctx_shift(xd, &ctx_shift_a, &ctx_shift_l, x, y, 1 << TX_8X8); - ctx = !!*(const uint16_t *)a; - ctx += !!*(const uint16_t *)l; - eob = decode_coefs(xd, get_plane_type(plane), pd->dqcoeff, tx_size, - dequant, ctx, sc->scan, sc->neighbors, r); - *(uint16_t *)a = ((eob > 0) * 0x0101) >> ctx_shift_a; - *(uint16_t *)l = ((eob > 0) * 0x0101) >> ctx_shift_l; - break; - case TX_16X16: - get_ctx_shift(xd, &ctx_shift_a, &ctx_shift_l, x, y, 1 << TX_16X16); - ctx = !!*(const uint32_t *)a; - ctx += !!*(const uint32_t *)l; - eob = decode_coefs(xd, get_plane_type(plane), pd->dqcoeff, tx_size, - dequant, ctx, sc->scan, sc->neighbors, r); - *(uint32_t *)a = ((eob > 0) * 0x01010101) >> ctx_shift_a; - *(uint32_t *)l = ((eob > 0) * 0x01010101) >> ctx_shift_l; - break; - case TX_32X32: - get_ctx_shift(xd, &ctx_shift_a, &ctx_shift_l, x, y, 1 << TX_32X32); - // NOTE: casting to uint64_t here is safe because the default memory - // alignment is at least 8 bytes and the TX_32X32 is aligned on 8 byte - // boundaries. - ctx = !!*(const uint64_t *)a; - ctx += !!*(const uint64_t *)l; - eob = decode_coefs(xd, get_plane_type(plane), pd->dqcoeff, tx_size, - dequant, ctx, sc->scan, sc->neighbors, r); - *(uint64_t *)a = ((eob > 0) * 0x0101010101010101ULL) >> ctx_shift_a; - *(uint64_t *)l = ((eob > 0) * 0x0101010101010101ULL) >> ctx_shift_l; - break; - default: - assert(0 && "Invalid transform size."); - eob = 0; - break; - } - - return eob; -} diff --git a/thirdparty/libvpx/vp9/decoder/vp9_detokenize.h b/thirdparty/libvpx/vp9/decoder/vp9_detokenize.h deleted file mode 100644 index d242d4466e..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_detokenize.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright (c) 2010 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - - -#ifndef VP9_DECODER_VP9_DETOKENIZE_H_ -#define VP9_DECODER_VP9_DETOKENIZE_H_ - -#include "vpx_dsp/bitreader.h" -#include "vp9/decoder/vp9_decoder.h" -#include "vp9/common/vp9_scan.h" - -#ifdef __cplusplus -extern "C" { -#endif - -int vp9_decode_block_tokens(MACROBLOCKD *xd, - int plane, const scan_order *sc, - int x, int y, - TX_SIZE tx_size, vpx_reader *r, - int seg_id); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP9_DECODER_VP9_DETOKENIZE_H_ diff --git a/thirdparty/libvpx/vp9/decoder/vp9_dsubexp.c b/thirdparty/libvpx/vp9/decoder/vp9_dsubexp.c deleted file mode 100644 index 05b38538ae..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_dsubexp.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - Copyright (c) 2010 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#include <assert.h> - -#include "vp9/common/vp9_entropy.h" - -#include "vp9/decoder/vp9_dsubexp.h" - -static int inv_recenter_nonneg(int v, int m) { - if (v > 2 * m) - return v; - - return (v & 1) ? m - ((v + 1) >> 1) : m + (v >> 1); -} - -static int decode_uniform(vpx_reader *r) { - const int l = 8; - const int m = (1 << l) - 191; - const int v = vpx_read_literal(r, l - 1); - return v < m ? v : (v << 1) - m + vpx_read_bit(r); -} - -static int inv_remap_prob(int v, int m) { - static uint8_t inv_map_table[MAX_PROB] = { - 7, 20, 33, 46, 59, 72, 85, 98, 111, 124, 137, 150, 163, 176, 189, - 202, 215, 228, 241, 254, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, - 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, - 44, 45, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 60, - 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, - 77, 78, 79, 80, 81, 82, 83, 84, 86, 87, 88, 89, 90, 91, 92, - 93, 94, 95, 96, 97, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, - 109, 110, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 125, - 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 138, 139, 140, 141, - 142, 143, 144, 145, 146, 147, 148, 149, 151, 152, 153, 154, 155, 156, 157, - 158, 159, 160, 161, 162, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, - 174, 175, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 190, - 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 203, 204, 205, 206, - 207, 208, 209, 210, 211, 212, 213, 214, 216, 217, 218, 219, 220, 221, 222, - 223, 224, 225, 226, 227, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, - 239, 240, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 253 - }; - assert(v < (int)(sizeof(inv_map_table) / sizeof(inv_map_table[0]))); - v = inv_map_table[v]; - m--; - if ((m << 1) <= MAX_PROB) { - return 1 + inv_recenter_nonneg(v, m); - } else { - return MAX_PROB - inv_recenter_nonneg(v, MAX_PROB - 1 - m); - } -} - -static int decode_term_subexp(vpx_reader *r) { - if (!vpx_read_bit(r)) - return vpx_read_literal(r, 4); - if (!vpx_read_bit(r)) - return vpx_read_literal(r, 4) + 16; - if (!vpx_read_bit(r)) - return vpx_read_literal(r, 5) + 32; - return decode_uniform(r) + 64; -} - -void vp9_diff_update_prob(vpx_reader *r, vpx_prob* p) { - if (vpx_read(r, DIFF_UPDATE_PROB)) { - const int delp = decode_term_subexp(r); - *p = (vpx_prob)inv_remap_prob(delp, *p); - } -} diff --git a/thirdparty/libvpx/vp9/decoder/vp9_dsubexp.h b/thirdparty/libvpx/vp9/decoder/vp9_dsubexp.h deleted file mode 100644 index a8bcc70be9..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_dsubexp.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * Copyright (c) 2013 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - - -#ifndef VP9_DECODER_VP9_DSUBEXP_H_ -#define VP9_DECODER_VP9_DSUBEXP_H_ - -#include "vpx_dsp/bitreader.h" - -#ifdef __cplusplus -extern "C" { -#endif - -void vp9_diff_update_prob(vpx_reader *r, vpx_prob* p); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP9_DECODER_VP9_DSUBEXP_H_ diff --git a/thirdparty/libvpx/vp9/decoder/vp9_dthread.c b/thirdparty/libvpx/vp9/decoder/vp9_dthread.c deleted file mode 100644 index 14a71448fe..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_dthread.c +++ /dev/null @@ -1,189 +0,0 @@ -/* - * Copyright (c) 2014 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#include "./vpx_config.h" -#include "vpx_mem/vpx_mem.h" -#include "vp9/common/vp9_reconinter.h" -#include "vp9/decoder/vp9_dthread.h" -#include "vp9/decoder/vp9_decoder.h" - -// #define DEBUG_THREAD - -// TODO(hkuang): Clean up all the #ifdef in this file. -void vp9_frameworker_lock_stats(VPxWorker *const worker) { -#if CONFIG_MULTITHREAD - FrameWorkerData *const worker_data = worker->data1; - pthread_mutex_lock(&worker_data->stats_mutex); -#else - (void)worker; -#endif -} - -void vp9_frameworker_unlock_stats(VPxWorker *const worker) { -#if CONFIG_MULTITHREAD - FrameWorkerData *const worker_data = worker->data1; - pthread_mutex_unlock(&worker_data->stats_mutex); -#else - (void)worker; -#endif -} - -void vp9_frameworker_signal_stats(VPxWorker *const worker) { -#if CONFIG_MULTITHREAD - FrameWorkerData *const worker_data = worker->data1; - -// TODO(hkuang): Fix the pthread_cond_broadcast in windows wrapper. -#if defined(_WIN32) && !HAVE_PTHREAD_H - pthread_cond_signal(&worker_data->stats_cond); -#else - pthread_cond_broadcast(&worker_data->stats_cond); -#endif - -#else - (void)worker; -#endif -} - -// This macro prevents thread_sanitizer from reporting known concurrent writes. -#if defined(__has_feature) -#if __has_feature(thread_sanitizer) -#define BUILDING_WITH_TSAN -#endif -#endif - -// TODO(hkuang): Remove worker parameter as it is only used in debug code. -void vp9_frameworker_wait(VPxWorker *const worker, RefCntBuffer *const ref_buf, - int row) { -#if CONFIG_MULTITHREAD - if (!ref_buf) - return; - -#ifndef BUILDING_WITH_TSAN - // The following line of code will get harmless tsan error but it is the key - // to get best performance. - if (ref_buf->row >= row && ref_buf->buf.corrupted != 1) return; -#endif - - { - // Find the worker thread that owns the reference frame. If the reference - // frame has been fully decoded, it may not have owner. - VPxWorker *const ref_worker = ref_buf->frame_worker_owner; - FrameWorkerData *const ref_worker_data = - (FrameWorkerData *)ref_worker->data1; - const VP9Decoder *const pbi = ref_worker_data->pbi; - -#ifdef DEBUG_THREAD - { - FrameWorkerData *const worker_data = (FrameWorkerData *)worker->data1; - printf("%d %p worker is waiting for %d %p worker (%d) ref %d \r\n", - worker_data->worker_id, worker, ref_worker_data->worker_id, - ref_buf->frame_worker_owner, row, ref_buf->row); - } -#endif - - vp9_frameworker_lock_stats(ref_worker); - while (ref_buf->row < row && pbi->cur_buf == ref_buf && - ref_buf->buf.corrupted != 1) { - pthread_cond_wait(&ref_worker_data->stats_cond, - &ref_worker_data->stats_mutex); - } - - if (ref_buf->buf.corrupted == 1) { - FrameWorkerData *const worker_data = (FrameWorkerData *)worker->data1; - vp9_frameworker_unlock_stats(ref_worker); - vpx_internal_error(&worker_data->pbi->common.error, - VPX_CODEC_CORRUPT_FRAME, - "Worker %p failed to decode frame", worker); - } - vp9_frameworker_unlock_stats(ref_worker); - } -#else - (void)worker; - (void)ref_buf; - (void)row; - (void)ref_buf; -#endif // CONFIG_MULTITHREAD -} - -void vp9_frameworker_broadcast(RefCntBuffer *const buf, int row) { -#if CONFIG_MULTITHREAD - VPxWorker *worker = buf->frame_worker_owner; - -#ifdef DEBUG_THREAD - { - FrameWorkerData *const worker_data = (FrameWorkerData *)worker->data1; - printf("%d %p worker decode to (%d) \r\n", worker_data->worker_id, - buf->frame_worker_owner, row); - } -#endif - - vp9_frameworker_lock_stats(worker); - buf->row = row; - vp9_frameworker_signal_stats(worker); - vp9_frameworker_unlock_stats(worker); -#else - (void)buf; - (void)row; -#endif // CONFIG_MULTITHREAD -} - -void vp9_frameworker_copy_context(VPxWorker *const dst_worker, - VPxWorker *const src_worker) { -#if CONFIG_MULTITHREAD - FrameWorkerData *const src_worker_data = (FrameWorkerData *)src_worker->data1; - FrameWorkerData *const dst_worker_data = (FrameWorkerData *)dst_worker->data1; - VP9_COMMON *const src_cm = &src_worker_data->pbi->common; - VP9_COMMON *const dst_cm = &dst_worker_data->pbi->common; - int i; - - // Wait until source frame's context is ready. - vp9_frameworker_lock_stats(src_worker); - while (!src_worker_data->frame_context_ready) { - pthread_cond_wait(&src_worker_data->stats_cond, - &src_worker_data->stats_mutex); - } - - dst_cm->last_frame_seg_map = src_cm->seg.enabled ? - src_cm->current_frame_seg_map : src_cm->last_frame_seg_map; - dst_worker_data->pbi->need_resync = src_worker_data->pbi->need_resync; - vp9_frameworker_unlock_stats(src_worker); - - dst_cm->bit_depth = src_cm->bit_depth; -#if CONFIG_VP9_HIGHBITDEPTH - dst_cm->use_highbitdepth = src_cm->use_highbitdepth; -#endif - dst_cm->prev_frame = src_cm->show_existing_frame ? - src_cm->prev_frame : src_cm->cur_frame; - dst_cm->last_width = !src_cm->show_existing_frame ? - src_cm->width : src_cm->last_width; - dst_cm->last_height = !src_cm->show_existing_frame ? - src_cm->height : src_cm->last_height; - dst_cm->subsampling_x = src_cm->subsampling_x; - dst_cm->subsampling_y = src_cm->subsampling_y; - dst_cm->frame_type = src_cm->frame_type; - dst_cm->last_show_frame = !src_cm->show_existing_frame ? - src_cm->show_frame : src_cm->last_show_frame; - for (i = 0; i < REF_FRAMES; ++i) - dst_cm->ref_frame_map[i] = src_cm->next_ref_frame_map[i]; - - memcpy(dst_cm->lf_info.lfthr, src_cm->lf_info.lfthr, - (MAX_LOOP_FILTER + 1) * sizeof(loop_filter_thresh)); - dst_cm->lf.last_sharpness_level = src_cm->lf.sharpness_level; - dst_cm->lf.filter_level = src_cm->lf.filter_level; - memcpy(dst_cm->lf.ref_deltas, src_cm->lf.ref_deltas, MAX_REF_LF_DELTAS); - memcpy(dst_cm->lf.mode_deltas, src_cm->lf.mode_deltas, MAX_MODE_LF_DELTAS); - dst_cm->seg = src_cm->seg; - memcpy(dst_cm->frame_contexts, src_cm->frame_contexts, - FRAME_CONTEXTS * sizeof(dst_cm->frame_contexts[0])); -#else - (void) dst_worker; - (void) src_worker; -#endif // CONFIG_MULTITHREAD -} diff --git a/thirdparty/libvpx/vp9/decoder/vp9_dthread.h b/thirdparty/libvpx/vp9/decoder/vp9_dthread.h deleted file mode 100644 index ba7c38a511..0000000000 --- a/thirdparty/libvpx/vp9/decoder/vp9_dthread.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Copyright (c) 2014 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#ifndef VP9_DECODER_VP9_DTHREAD_H_ -#define VP9_DECODER_VP9_DTHREAD_H_ - -#include "./vpx_config.h" -#include "vpx_util/vpx_thread.h" -#include "vpx/internal/vpx_codec_internal.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct VP9Common; -struct VP9Decoder; - -// WorkerData for the FrameWorker thread. It contains all the information of -// the worker and decode structures for decoding a frame. -typedef struct FrameWorkerData { - struct VP9Decoder *pbi; - const uint8_t *data; - const uint8_t *data_end; - size_t data_size; - void *user_priv; - int result; - int worker_id; - int received_frame; - - // scratch_buffer is used in frame parallel mode only. - // It is used to make a copy of the compressed data. - uint8_t *scratch_buffer; - size_t scratch_buffer_size; - -#if CONFIG_MULTITHREAD - pthread_mutex_t stats_mutex; - pthread_cond_t stats_cond; -#endif - - int frame_context_ready; // Current frame's context is ready to read. - int frame_decoded; // Finished decoding current frame. -} FrameWorkerData; - -void vp9_frameworker_lock_stats(VPxWorker *const worker); -void vp9_frameworker_unlock_stats(VPxWorker *const worker); -void vp9_frameworker_signal_stats(VPxWorker *const worker); - -// Wait until ref_buf has been decoded to row in real pixel unit. -// Note: worker may already finish decoding ref_buf and release it in order to -// start decoding next frame. So need to check whether worker is still decoding -// ref_buf. -void vp9_frameworker_wait(VPxWorker *const worker, RefCntBuffer *const ref_buf, - int row); - -// FrameWorker broadcasts its decoding progress so other workers that are -// waiting on it can resume decoding. -void vp9_frameworker_broadcast(RefCntBuffer *const buf, int row); - -// Copy necessary decoding context from src worker to dst worker. -void vp9_frameworker_copy_context(VPxWorker *const dst_worker, - VPxWorker *const src_worker); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP9_DECODER_VP9_DTHREAD_H_ |