diff options
Diffstat (limited to 'thirdparty/libvpx/vp8/decoder')
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/dboolhuff.c | 77 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/dboolhuff.h | 141 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/decodeframe.c | 1397 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/decodemv.c | 670 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/decodemv.h | 26 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/decoderthreading.h | 30 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/detokenize.c | 245 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/detokenize.h | 27 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/onyxd_if.c | 521 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/onyxd_int.h | 161 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/threading.c | 928 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/treereader.h | 49 |
12 files changed, 0 insertions, 4272 deletions
diff --git a/thirdparty/libvpx/vp8/decoder/dboolhuff.c b/thirdparty/libvpx/vp8/decoder/dboolhuff.c deleted file mode 100644 index 5cdd2a2491..0000000000 --- a/thirdparty/libvpx/vp8/decoder/dboolhuff.c +++ /dev/null @@ -1,77 +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 "dboolhuff.h" -#include "vp8/common/common.h" -#include "vpx_dsp/vpx_dsp_common.h" - -int vp8dx_start_decode(BOOL_DECODER *br, - const unsigned char *source, - unsigned int source_sz, - vpx_decrypt_cb decrypt_cb, - void *decrypt_state) -{ - br->user_buffer_end = source+source_sz; - br->user_buffer = source; - br->value = 0; - br->count = -8; - br->range = 255; - br->decrypt_cb = decrypt_cb; - br->decrypt_state = decrypt_state; - - if (source_sz && !source) - return 1; - - /* Populate the buffer */ - vp8dx_bool_decoder_fill(br); - - return 0; -} - -void vp8dx_bool_decoder_fill(BOOL_DECODER *br) -{ - const unsigned char *bufptr = br->user_buffer; - VP8_BD_VALUE value = br->value; - int count = br->count; - int shift = VP8_BD_VALUE_SIZE - CHAR_BIT - (count + CHAR_BIT); - size_t bytes_left = br->user_buffer_end - bufptr; - size_t bits_left = bytes_left * CHAR_BIT; - int x = shift + CHAR_BIT - (int)bits_left; - int loop_end = 0; - unsigned char decrypted[sizeof(VP8_BD_VALUE) + 1]; - - if (br->decrypt_cb) { - size_t n = VPXMIN(sizeof(decrypted), bytes_left); - br->decrypt_cb(br->decrypt_state, bufptr, decrypted, (int)n); - bufptr = decrypted; - } - - if(x >= 0) - { - count += VP8_LOTS_OF_BITS; - loop_end = x; - } - - if (x < 0 || bits_left) - { - while(shift >= loop_end) - { - count += CHAR_BIT; - value |= (VP8_BD_VALUE)*bufptr << shift; - ++bufptr; - ++br->user_buffer; - shift -= CHAR_BIT; - } - } - - br->value = value; - br->count = count; -} diff --git a/thirdparty/libvpx/vp8/decoder/dboolhuff.h b/thirdparty/libvpx/vp8/decoder/dboolhuff.h deleted file mode 100644 index 1b1bbf868e..0000000000 --- a/thirdparty/libvpx/vp8/decoder/dboolhuff.h +++ /dev/null @@ -1,141 +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 VP8_DECODER_DBOOLHUFF_H_ -#define VP8_DECODER_DBOOLHUFF_H_ - -#include <stddef.h> -#include <limits.h> - -#include "./vpx_config.h" -#include "vpx_ports/mem.h" -#include "vpx/vp8dx.h" -#include "vpx/vpx_integer.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef size_t VP8_BD_VALUE; - -#define VP8_BD_VALUE_SIZE ((int)sizeof(VP8_BD_VALUE)*CHAR_BIT) - -/*This is meant to be a large, positive constant that can still be efficiently - loaded as an immediate (on platforms like ARM, for example). - Even relatively modest values like 100 would work fine.*/ -#define VP8_LOTS_OF_BITS (0x40000000) - -typedef struct -{ - const unsigned char *user_buffer_end; - const unsigned char *user_buffer; - VP8_BD_VALUE value; - int count; - unsigned int range; - vpx_decrypt_cb decrypt_cb; - void *decrypt_state; -} BOOL_DECODER; - -DECLARE_ALIGNED(16, extern const unsigned char, vp8_norm[256]); - -int vp8dx_start_decode(BOOL_DECODER *br, - const unsigned char *source, - unsigned int source_sz, - vpx_decrypt_cb decrypt_cb, - void *decrypt_state); - -void vp8dx_bool_decoder_fill(BOOL_DECODER *br); - - -static int vp8dx_decode_bool(BOOL_DECODER *br, int probability) { - unsigned int bit = 0; - VP8_BD_VALUE value; - unsigned int split; - VP8_BD_VALUE bigsplit; - int count; - unsigned int range; - - split = 1 + (((br->range - 1) * probability) >> 8); - - if(br->count < 0) - vp8dx_bool_decoder_fill(br); - - value = br->value; - count = br->count; - - bigsplit = (VP8_BD_VALUE)split << (VP8_BD_VALUE_SIZE - 8); - - range = split; - - if (value >= bigsplit) - { - range = br->range - split; - value = value - bigsplit; - bit = 1; - } - - { - register int shift = vp8_norm[range]; - range <<= shift; - value <<= shift; - count -= shift; - } - br->value = value; - br->count = count; - br->range = range; - - return bit; -} - -static INLINE int vp8_decode_value(BOOL_DECODER *br, int bits) -{ - int z = 0; - int bit; - - for (bit = bits - 1; bit >= 0; bit--) - { - z |= (vp8dx_decode_bool(br, 0x80) << bit); - } - - return z; -} - -static INLINE int vp8dx_bool_error(BOOL_DECODER *br) -{ - /* Check if we have reached the end of the buffer. - * - * Variable 'count' stores the number of bits in the 'value' buffer, minus - * 8. The top byte is part of the algorithm, and the remainder is buffered - * to be shifted into it. So if count == 8, the top 16 bits of 'value' are - * occupied, 8 for the algorithm and 8 in the buffer. - * - * When reading a byte from the user's buffer, count is filled with 8 and - * one byte is filled into the value buffer. When we reach the end of the - * data, count is additionally filled with VP8_LOTS_OF_BITS. So when - * count == VP8_LOTS_OF_BITS - 1, the user's data has been exhausted. - */ - if ((br->count > VP8_BD_VALUE_SIZE) && (br->count < VP8_LOTS_OF_BITS)) - { - /* We have tried to decode bits after the end of - * stream was encountered. - */ - return 1; - } - - /* No error. */ - return 0; -} - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP8_DECODER_DBOOLHUFF_H_ diff --git a/thirdparty/libvpx/vp8/decoder/decodeframe.c b/thirdparty/libvpx/vp8/decoder/decodeframe.c deleted file mode 100644 index 51acdbb9c8..0000000000 --- a/thirdparty/libvpx/vp8/decoder/decodeframe.c +++ /dev/null @@ -1,1397 +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_config.h" -#include "vp8_rtcd.h" -#include "./vpx_scale_rtcd.h" -#include "onyxd_int.h" -#include "vp8/common/header.h" -#include "vp8/common/reconintra4x4.h" -#include "vp8/common/reconinter.h" -#include "detokenize.h" -#include "vp8/common/common.h" -#include "vp8/common/invtrans.h" -#include "vp8/common/alloccommon.h" -#include "vp8/common/entropymode.h" -#include "vp8/common/quant_common.h" -#include "vpx_scale/vpx_scale.h" -#include "vp8/common/reconintra.h" -#include "vp8/common/setupintrarecon.h" - -#include "decodemv.h" -#include "vp8/common/extend.h" -#if CONFIG_ERROR_CONCEALMENT -#include "error_concealment.h" -#endif -#include "vpx_mem/vpx_mem.h" -#include "vp8/common/threading.h" -#include "decoderthreading.h" -#include "dboolhuff.h" -#include "vpx_dsp/vpx_dsp_common.h" - -#include <assert.h> -#include <stdio.h> - -void vp8cx_init_de_quantizer(VP8D_COMP *pbi) -{ - int Q; - VP8_COMMON *const pc = & pbi->common; - - for (Q = 0; Q < QINDEX_RANGE; Q++) - { - pc->Y1dequant[Q][0] = (short)vp8_dc_quant(Q, pc->y1dc_delta_q); - pc->Y2dequant[Q][0] = (short)vp8_dc2quant(Q, pc->y2dc_delta_q); - pc->UVdequant[Q][0] = (short)vp8_dc_uv_quant(Q, pc->uvdc_delta_q); - - pc->Y1dequant[Q][1] = (short)vp8_ac_yquant(Q); - pc->Y2dequant[Q][1] = (short)vp8_ac2quant(Q, pc->y2ac_delta_q); - pc->UVdequant[Q][1] = (short)vp8_ac_uv_quant(Q, pc->uvac_delta_q); - } -} - -void vp8_mb_init_dequantizer(VP8D_COMP *pbi, MACROBLOCKD *xd) -{ - int i; - int QIndex; - MB_MODE_INFO *mbmi = &xd->mode_info_context->mbmi; - VP8_COMMON *const pc = & pbi->common; - - /* Decide whether to use the default or alternate baseline Q value. */ - if (xd->segmentation_enabled) - { - /* Abs Value */ - if (xd->mb_segement_abs_delta == SEGMENT_ABSDATA) - QIndex = xd->segment_feature_data[MB_LVL_ALT_Q][mbmi->segment_id]; - - /* Delta Value */ - else - QIndex = pc->base_qindex + xd->segment_feature_data[MB_LVL_ALT_Q][mbmi->segment_id]; - - QIndex = (QIndex >= 0) ? ((QIndex <= MAXQ) ? QIndex : MAXQ) : 0; /* Clamp to valid range */ - } - else - QIndex = pc->base_qindex; - - /* Set up the macroblock dequant constants */ - xd->dequant_y1_dc[0] = 1; - xd->dequant_y1[0] = pc->Y1dequant[QIndex][0]; - xd->dequant_y2[0] = pc->Y2dequant[QIndex][0]; - xd->dequant_uv[0] = pc->UVdequant[QIndex][0]; - - for (i = 1; i < 16; i++) - { - xd->dequant_y1_dc[i] = - xd->dequant_y1[i] = pc->Y1dequant[QIndex][1]; - xd->dequant_y2[i] = pc->Y2dequant[QIndex][1]; - xd->dequant_uv[i] = pc->UVdequant[QIndex][1]; - } -} - -static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, - unsigned int mb_idx) -{ - MB_PREDICTION_MODE mode; - int i; -#if CONFIG_ERROR_CONCEALMENT - int corruption_detected = 0; -#else - (void)mb_idx; -#endif - - if (xd->mode_info_context->mbmi.mb_skip_coeff) - { - vp8_reset_mb_tokens_context(xd); - } - else if (!vp8dx_bool_error(xd->current_bc)) - { - int eobtotal; - eobtotal = vp8_decode_mb_tokens(pbi, xd); - - /* Special case: Force the loopfilter to skip when eobtotal is zero */ - xd->mode_info_context->mbmi.mb_skip_coeff = (eobtotal==0); - } - - mode = xd->mode_info_context->mbmi.mode; - - if (xd->segmentation_enabled) - vp8_mb_init_dequantizer(pbi, xd); - - -#if CONFIG_ERROR_CONCEALMENT - - if(pbi->ec_active) - { - int throw_residual; - /* When we have independent partitions we can apply residual even - * though other partitions within the frame are corrupt. - */ - throw_residual = (!pbi->independent_partitions && - pbi->frame_corrupt_residual); - throw_residual = (throw_residual || vp8dx_bool_error(xd->current_bc)); - - if ((mb_idx >= pbi->mvs_corrupt_from_mb || throw_residual)) - { - /* MB with corrupt residuals or corrupt mode/motion vectors. - * Better to use the predictor as reconstruction. - */ - pbi->frame_corrupt_residual = 1; - memset(xd->qcoeff, 0, sizeof(xd->qcoeff)); - - corruption_detected = 1; - - /* force idct to be skipped for B_PRED and use the - * prediction only for reconstruction - * */ - memset(xd->eobs, 0, 25); - } - } -#endif - - /* do prediction */ - if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) - { - vp8_build_intra_predictors_mbuv_s(xd, - xd->recon_above[1], - xd->recon_above[2], - xd->recon_left[1], - xd->recon_left[2], - xd->recon_left_stride[1], - xd->dst.u_buffer, xd->dst.v_buffer, - xd->dst.uv_stride); - - if (mode != B_PRED) - { - vp8_build_intra_predictors_mby_s(xd, - xd->recon_above[0], - xd->recon_left[0], - xd->recon_left_stride[0], - xd->dst.y_buffer, - xd->dst.y_stride); - } - else - { - short *DQC = xd->dequant_y1; - int dst_stride = xd->dst.y_stride; - - /* clear out residual eob info */ - if(xd->mode_info_context->mbmi.mb_skip_coeff) - memset(xd->eobs, 0, 25); - - intra_prediction_down_copy(xd, xd->recon_above[0] + 16); - - for (i = 0; i < 16; i++) - { - BLOCKD *b = &xd->block[i]; - unsigned char *dst = xd->dst.y_buffer + b->offset; - B_PREDICTION_MODE b_mode = - xd->mode_info_context->bmi[i].as_mode; - unsigned char *Above = dst - dst_stride; - unsigned char *yleft = dst - 1; - int left_stride = dst_stride; - unsigned char top_left = Above[-1]; - - vp8_intra4x4_predict(Above, yleft, left_stride, b_mode, - dst, dst_stride, top_left); - - if (xd->eobs[i]) - { - if (xd->eobs[i] > 1) - { - vp8_dequant_idct_add(b->qcoeff, DQC, dst, dst_stride); - } - else - { - vp8_dc_only_idct_add - (b->qcoeff[0] * DQC[0], - dst, dst_stride, - dst, dst_stride); - memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0])); - } - } - } - } - } - else - { - vp8_build_inter_predictors_mb(xd); - } - - -#if CONFIG_ERROR_CONCEALMENT - if (corruption_detected) - { - return; - } -#endif - - if(!xd->mode_info_context->mbmi.mb_skip_coeff) - { - /* dequantization and idct */ - if (mode != B_PRED) - { - short *DQC = xd->dequant_y1; - - if (mode != SPLITMV) - { - BLOCKD *b = &xd->block[24]; - - /* do 2nd order transform on the dc block */ - if (xd->eobs[24] > 1) - { - vp8_dequantize_b(b, xd->dequant_y2); - - vp8_short_inv_walsh4x4(&b->dqcoeff[0], - xd->qcoeff); - memset(b->qcoeff, 0, 16 * sizeof(b->qcoeff[0])); - } - else - { - b->dqcoeff[0] = b->qcoeff[0] * xd->dequant_y2[0]; - vp8_short_inv_walsh4x4_1(&b->dqcoeff[0], - xd->qcoeff); - memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0])); - } - - /* override the dc dequant constant in order to preserve the - * dc components - */ - DQC = xd->dequant_y1_dc; - } - - vp8_dequant_idct_add_y_block - (xd->qcoeff, DQC, - xd->dst.y_buffer, - xd->dst.y_stride, xd->eobs); - } - - vp8_dequant_idct_add_uv_block - (xd->qcoeff+16*16, xd->dequant_uv, - xd->dst.u_buffer, xd->dst.v_buffer, - xd->dst.uv_stride, xd->eobs+16); - } -} - -static int get_delta_q(vp8_reader *bc, int prev, int *q_update) -{ - int ret_val = 0; - - if (vp8_read_bit(bc)) - { - ret_val = vp8_read_literal(bc, 4); - - if (vp8_read_bit(bc)) - ret_val = -ret_val; - } - - /* Trigger a quantizer update if the delta-q value has changed */ - if (ret_val != prev) - *q_update = 1; - - return ret_val; -} - -#ifdef PACKET_TESTING -#include <stdio.h> -FILE *vpxlog = 0; -#endif - -static void yv12_extend_frame_top_c(YV12_BUFFER_CONFIG *ybf) -{ - int i; - unsigned char *src_ptr1; - unsigned char *dest_ptr1; - - unsigned int Border; - int plane_stride; - - /***********/ - /* Y Plane */ - /***********/ - Border = ybf->border; - plane_stride = ybf->y_stride; - src_ptr1 = ybf->y_buffer - Border; - dest_ptr1 = src_ptr1 - (Border * plane_stride); - - for (i = 0; i < (int)Border; i++) - { - memcpy(dest_ptr1, src_ptr1, plane_stride); - dest_ptr1 += plane_stride; - } - - - /***********/ - /* U Plane */ - /***********/ - plane_stride = ybf->uv_stride; - Border /= 2; - src_ptr1 = ybf->u_buffer - Border; - dest_ptr1 = src_ptr1 - (Border * plane_stride); - - for (i = 0; i < (int)(Border); i++) - { - memcpy(dest_ptr1, src_ptr1, plane_stride); - dest_ptr1 += plane_stride; - } - - /***********/ - /* V Plane */ - /***********/ - - src_ptr1 = ybf->v_buffer - Border; - dest_ptr1 = src_ptr1 - (Border * plane_stride); - - for (i = 0; i < (int)(Border); i++) - { - memcpy(dest_ptr1, src_ptr1, plane_stride); - dest_ptr1 += plane_stride; - } -} - -static void yv12_extend_frame_bottom_c(YV12_BUFFER_CONFIG *ybf) -{ - int i; - unsigned char *src_ptr1, *src_ptr2; - unsigned char *dest_ptr2; - - unsigned int Border; - int plane_stride; - int plane_height; - - /***********/ - /* Y Plane */ - /***********/ - Border = ybf->border; - plane_stride = ybf->y_stride; - plane_height = ybf->y_height; - - src_ptr1 = ybf->y_buffer - Border; - src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride; - dest_ptr2 = src_ptr2 + plane_stride; - - for (i = 0; i < (int)Border; i++) - { - memcpy(dest_ptr2, src_ptr2, plane_stride); - dest_ptr2 += plane_stride; - } - - - /***********/ - /* U Plane */ - /***********/ - plane_stride = ybf->uv_stride; - plane_height = ybf->uv_height; - Border /= 2; - - src_ptr1 = ybf->u_buffer - Border; - src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride; - dest_ptr2 = src_ptr2 + plane_stride; - - for (i = 0; i < (int)(Border); i++) - { - memcpy(dest_ptr2, src_ptr2, plane_stride); - dest_ptr2 += plane_stride; - } - - /***********/ - /* V Plane */ - /***********/ - - src_ptr1 = ybf->v_buffer - Border; - src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride; - dest_ptr2 = src_ptr2 + plane_stride; - - for (i = 0; i < (int)(Border); i++) - { - memcpy(dest_ptr2, src_ptr2, plane_stride); - dest_ptr2 += plane_stride; - } -} - -static void yv12_extend_frame_left_right_c(YV12_BUFFER_CONFIG *ybf, - unsigned char *y_src, - unsigned char *u_src, - unsigned char *v_src) -{ - int i; - unsigned char *src_ptr1, *src_ptr2; - unsigned char *dest_ptr1, *dest_ptr2; - - unsigned int Border; - int plane_stride; - int plane_height; - int plane_width; - - /***********/ - /* Y Plane */ - /***********/ - Border = ybf->border; - plane_stride = ybf->y_stride; - plane_height = 16; - plane_width = ybf->y_width; - - /* copy the left and right most columns out */ - src_ptr1 = y_src; - src_ptr2 = src_ptr1 + plane_width - 1; - dest_ptr1 = src_ptr1 - Border; - dest_ptr2 = src_ptr2 + 1; - - for (i = 0; i < plane_height; i++) - { - memset(dest_ptr1, src_ptr1[0], Border); - memset(dest_ptr2, src_ptr2[0], Border); - src_ptr1 += plane_stride; - src_ptr2 += plane_stride; - dest_ptr1 += plane_stride; - dest_ptr2 += plane_stride; - } - - /***********/ - /* U Plane */ - /***********/ - plane_stride = ybf->uv_stride; - plane_height = 8; - plane_width = ybf->uv_width; - Border /= 2; - - /* copy the left and right most columns out */ - src_ptr1 = u_src; - src_ptr2 = src_ptr1 + plane_width - 1; - dest_ptr1 = src_ptr1 - Border; - dest_ptr2 = src_ptr2 + 1; - - for (i = 0; i < plane_height; i++) - { - memset(dest_ptr1, src_ptr1[0], Border); - memset(dest_ptr2, src_ptr2[0], Border); - src_ptr1 += plane_stride; - src_ptr2 += plane_stride; - dest_ptr1 += plane_stride; - dest_ptr2 += plane_stride; - } - - /***********/ - /* V Plane */ - /***********/ - - /* copy the left and right most columns out */ - src_ptr1 = v_src; - src_ptr2 = src_ptr1 + plane_width - 1; - dest_ptr1 = src_ptr1 - Border; - dest_ptr2 = src_ptr2 + 1; - - for (i = 0; i < plane_height; i++) - { - memset(dest_ptr1, src_ptr1[0], Border); - memset(dest_ptr2, src_ptr2[0], Border); - src_ptr1 += plane_stride; - src_ptr2 += plane_stride; - dest_ptr1 += plane_stride; - dest_ptr2 += plane_stride; - } -} - -static void decode_mb_rows(VP8D_COMP *pbi) -{ - VP8_COMMON *const pc = & pbi->common; - MACROBLOCKD *const xd = & pbi->mb; - - MODE_INFO *lf_mic = xd->mode_info_context; - - int ibc = 0; - int num_part = 1 << pc->multi_token_partition; - - int recon_yoffset, recon_uvoffset; - int mb_row, mb_col; - int mb_idx = 0; - - YV12_BUFFER_CONFIG *yv12_fb_new = pbi->dec_fb_ref[INTRA_FRAME]; - - int recon_y_stride = yv12_fb_new->y_stride; - int recon_uv_stride = yv12_fb_new->uv_stride; - - unsigned char *ref_buffer[MAX_REF_FRAMES][3]; - unsigned char *dst_buffer[3]; - unsigned char *lf_dst[3]; - unsigned char *eb_dst[3]; - int i; - int ref_fb_corrupted[MAX_REF_FRAMES]; - - ref_fb_corrupted[INTRA_FRAME] = 0; - - for(i = 1; i < MAX_REF_FRAMES; i++) - { - YV12_BUFFER_CONFIG *this_fb = pbi->dec_fb_ref[i]; - - ref_buffer[i][0] = this_fb->y_buffer; - ref_buffer[i][1] = this_fb->u_buffer; - ref_buffer[i][2] = this_fb->v_buffer; - - ref_fb_corrupted[i] = this_fb->corrupted; - } - - /* Set up the buffer pointers */ - eb_dst[0] = lf_dst[0] = dst_buffer[0] = yv12_fb_new->y_buffer; - eb_dst[1] = lf_dst[1] = dst_buffer[1] = yv12_fb_new->u_buffer; - eb_dst[2] = lf_dst[2] = dst_buffer[2] = yv12_fb_new->v_buffer; - - xd->up_available = 0; - - /* Initialize the loop filter for this frame. */ - if(pc->filter_level) - vp8_loop_filter_frame_init(pc, xd, pc->filter_level); - - vp8_setup_intra_recon_top_line(yv12_fb_new); - - /* Decode the individual macro block */ - for (mb_row = 0; mb_row < pc->mb_rows; mb_row++) - { - if (num_part > 1) - { - xd->current_bc = & pbi->mbc[ibc]; - ibc++; - - if (ibc == num_part) - ibc = 0; - } - - recon_yoffset = mb_row * recon_y_stride * 16; - recon_uvoffset = mb_row * recon_uv_stride * 8; - - /* reset contexts */ - xd->above_context = pc->above_context; - memset(xd->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES)); - - xd->left_available = 0; - - xd->mb_to_top_edge = -((mb_row * 16) << 3); - xd->mb_to_bottom_edge = ((pc->mb_rows - 1 - mb_row) * 16) << 3; - - xd->recon_above[0] = dst_buffer[0] + recon_yoffset; - xd->recon_above[1] = dst_buffer[1] + recon_uvoffset; - xd->recon_above[2] = dst_buffer[2] + recon_uvoffset; - - xd->recon_left[0] = xd->recon_above[0] - 1; - xd->recon_left[1] = xd->recon_above[1] - 1; - xd->recon_left[2] = xd->recon_above[2] - 1; - - xd->recon_above[0] -= xd->dst.y_stride; - xd->recon_above[1] -= xd->dst.uv_stride; - xd->recon_above[2] -= xd->dst.uv_stride; - - /* TODO: move to outside row loop */ - xd->recon_left_stride[0] = xd->dst.y_stride; - xd->recon_left_stride[1] = xd->dst.uv_stride; - - setup_intra_recon_left(xd->recon_left[0], xd->recon_left[1], - xd->recon_left[2], xd->dst.y_stride, - xd->dst.uv_stride); - - for (mb_col = 0; mb_col < pc->mb_cols; mb_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 - */ - xd->mb_to_left_edge = -((mb_col * 16) << 3); - xd->mb_to_right_edge = ((pc->mb_cols - 1 - mb_col) * 16) << 3; - -#if CONFIG_ERROR_CONCEALMENT - { - int corrupt_residual = (!pbi->independent_partitions && - pbi->frame_corrupt_residual) || - vp8dx_bool_error(xd->current_bc); - if (pbi->ec_active && - xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME && - corrupt_residual) - { - /* We have an intra block with corrupt coefficients, better to - * conceal with an inter block. Interpolate MVs from neighboring - * MBs. - * - * Note that for the first mb with corrupt residual in a frame, - * we might not discover that before decoding the residual. That - * happens after this check, and therefore no inter concealment - * will be done. - */ - vp8_interpolate_motion(xd, - mb_row, mb_col, - pc->mb_rows, pc->mb_cols); - } - } -#endif - - xd->dst.y_buffer = dst_buffer[0] + recon_yoffset; - xd->dst.u_buffer = dst_buffer[1] + recon_uvoffset; - xd->dst.v_buffer = dst_buffer[2] + recon_uvoffset; - - if (xd->mode_info_context->mbmi.ref_frame >= LAST_FRAME) { - const MV_REFERENCE_FRAME ref = xd->mode_info_context->mbmi.ref_frame; - xd->pre.y_buffer = ref_buffer[ref][0] + recon_yoffset; - xd->pre.u_buffer = ref_buffer[ref][1] + recon_uvoffset; - xd->pre.v_buffer = ref_buffer[ref][2] + recon_uvoffset; - } else { - // ref_frame is INTRA_FRAME, pre buffer should not be used. - xd->pre.y_buffer = 0; - xd->pre.u_buffer = 0; - xd->pre.v_buffer = 0; - } - - /* propagate errors from reference frames */ - xd->corrupted |= ref_fb_corrupted[xd->mode_info_context->mbmi.ref_frame]; - - decode_macroblock(pbi, xd, mb_idx); - - mb_idx++; - xd->left_available = 1; - - /* check if the boolean decoder has suffered an error */ - xd->corrupted |= vp8dx_bool_error(xd->current_bc); - - xd->recon_above[0] += 16; - xd->recon_above[1] += 8; - xd->recon_above[2] += 8; - xd->recon_left[0] += 16; - xd->recon_left[1] += 8; - xd->recon_left[2] += 8; - - recon_yoffset += 16; - recon_uvoffset += 8; - - ++xd->mode_info_context; /* next mb */ - - xd->above_context++; - } - - /* adjust to the next row of mbs */ - vp8_extend_mb_row(yv12_fb_new, xd->dst.y_buffer + 16, - xd->dst.u_buffer + 8, xd->dst.v_buffer + 8); - - ++xd->mode_info_context; /* skip prediction column */ - xd->up_available = 1; - - if(pc->filter_level) - { - if(mb_row > 0) - { - if (pc->filter_type == NORMAL_LOOPFILTER) - vp8_loop_filter_row_normal(pc, lf_mic, mb_row-1, - recon_y_stride, recon_uv_stride, - lf_dst[0], lf_dst[1], lf_dst[2]); - else - vp8_loop_filter_row_simple(pc, lf_mic, mb_row-1, - recon_y_stride, recon_uv_stride, - lf_dst[0], lf_dst[1], lf_dst[2]); - if(mb_row > 1) - { - yv12_extend_frame_left_right_c(yv12_fb_new, - eb_dst[0], - eb_dst[1], - eb_dst[2]); - - eb_dst[0] += recon_y_stride * 16; - eb_dst[1] += recon_uv_stride * 8; - eb_dst[2] += recon_uv_stride * 8; - } - - lf_dst[0] += recon_y_stride * 16; - lf_dst[1] += recon_uv_stride * 8; - lf_dst[2] += recon_uv_stride * 8; - lf_mic += pc->mb_cols; - lf_mic++; /* Skip border mb */ - } - } - else - { - if(mb_row > 0) - { - /**/ - yv12_extend_frame_left_right_c(yv12_fb_new, - eb_dst[0], - eb_dst[1], - eb_dst[2]); - eb_dst[0] += recon_y_stride * 16; - eb_dst[1] += recon_uv_stride * 8; - eb_dst[2] += recon_uv_stride * 8; - } - } - } - - if(pc->filter_level) - { - if (pc->filter_type == NORMAL_LOOPFILTER) - vp8_loop_filter_row_normal(pc, lf_mic, mb_row-1, recon_y_stride, - recon_uv_stride, lf_dst[0], lf_dst[1], - lf_dst[2]); - else - vp8_loop_filter_row_simple(pc, lf_mic, mb_row-1, recon_y_stride, - recon_uv_stride, lf_dst[0], lf_dst[1], - lf_dst[2]); - - yv12_extend_frame_left_right_c(yv12_fb_new, - eb_dst[0], - eb_dst[1], - eb_dst[2]); - eb_dst[0] += recon_y_stride * 16; - eb_dst[1] += recon_uv_stride * 8; - eb_dst[2] += recon_uv_stride * 8; - } - yv12_extend_frame_left_right_c(yv12_fb_new, - eb_dst[0], - eb_dst[1], - eb_dst[2]); - yv12_extend_frame_top_c(yv12_fb_new); - yv12_extend_frame_bottom_c(yv12_fb_new); - -} - -static unsigned int read_partition_size(VP8D_COMP *pbi, - const unsigned char *cx_size) -{ - unsigned char temp[3]; - if (pbi->decrypt_cb) - { - pbi->decrypt_cb(pbi->decrypt_state, cx_size, temp, 3); - cx_size = temp; - } - return cx_size[0] + (cx_size[1] << 8) + (cx_size[2] << 16); -} - -static int read_is_valid(const unsigned char *start, - size_t len, - const unsigned char *end) -{ - return (start + len > start && start + len <= end); -} - -static unsigned int read_available_partition_size( - VP8D_COMP *pbi, - const unsigned char *token_part_sizes, - const unsigned char *fragment_start, - const unsigned char *first_fragment_end, - const unsigned char *fragment_end, - int i, - int num_part) -{ - VP8_COMMON* pc = &pbi->common; - const unsigned char *partition_size_ptr = token_part_sizes + i * 3; - unsigned int partition_size = 0; - ptrdiff_t bytes_left = fragment_end - fragment_start; - /* Calculate the length of this partition. The last partition - * size is implicit. If the partition size can't be read, then - * either use the remaining data in the buffer (for EC mode) - * or throw an error. - */ - if (i < num_part - 1) - { - if (read_is_valid(partition_size_ptr, 3, first_fragment_end)) - partition_size = read_partition_size(pbi, partition_size_ptr); - else if (pbi->ec_active) - partition_size = (unsigned int)bytes_left; - else - vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME, - "Truncated partition size data"); - } - else - partition_size = (unsigned int)bytes_left; - - /* 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(fragment_start, partition_size, fragment_end)) - { - if (pbi->ec_active) - partition_size = (unsigned int)bytes_left; - else - vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME, - "Truncated packet or corrupt partition " - "%d length", i + 1); - } - return partition_size; -} - - -static void setup_token_decoder(VP8D_COMP *pbi, - const unsigned char* token_part_sizes) -{ - vp8_reader *bool_decoder = &pbi->mbc[0]; - unsigned int partition_idx; - unsigned int fragment_idx; - unsigned int num_token_partitions; - const unsigned char *first_fragment_end = pbi->fragments.ptrs[0] + - pbi->fragments.sizes[0]; - - TOKEN_PARTITION multi_token_partition = - (TOKEN_PARTITION)vp8_read_literal(&pbi->mbc[8], 2); - if (!vp8dx_bool_error(&pbi->mbc[8])) - pbi->common.multi_token_partition = multi_token_partition; - num_token_partitions = 1 << pbi->common.multi_token_partition; - - /* Check for partitions within the fragments and unpack the fragments - * so that each fragment pointer points to its corresponding partition. */ - for (fragment_idx = 0; fragment_idx < pbi->fragments.count; ++fragment_idx) - { - unsigned int fragment_size = pbi->fragments.sizes[fragment_idx]; - const unsigned char *fragment_end = pbi->fragments.ptrs[fragment_idx] + - fragment_size; - /* Special case for handling the first partition since we have already - * read its size. */ - if (fragment_idx == 0) - { - /* Size of first partition + token partition sizes element */ - ptrdiff_t ext_first_part_size = token_part_sizes - - pbi->fragments.ptrs[0] + 3 * (num_token_partitions - 1); - fragment_size -= (unsigned int)ext_first_part_size; - if (fragment_size > 0) - { - pbi->fragments.sizes[0] = (unsigned int)ext_first_part_size; - /* The fragment contains an additional partition. Move to - * next. */ - fragment_idx++; - pbi->fragments.ptrs[fragment_idx] = pbi->fragments.ptrs[0] + - pbi->fragments.sizes[0]; - } - } - /* Split the chunk into partitions read from the bitstream */ - while (fragment_size > 0) - { - ptrdiff_t partition_size = read_available_partition_size( - pbi, - token_part_sizes, - pbi->fragments.ptrs[fragment_idx], - first_fragment_end, - fragment_end, - fragment_idx - 1, - num_token_partitions); - pbi->fragments.sizes[fragment_idx] = (unsigned int)partition_size; - fragment_size -= (unsigned int)partition_size; - assert(fragment_idx <= num_token_partitions); - if (fragment_size > 0) - { - /* The fragment contains an additional partition. - * Move to next. */ - fragment_idx++; - pbi->fragments.ptrs[fragment_idx] = - pbi->fragments.ptrs[fragment_idx - 1] + partition_size; - } - } - } - - pbi->fragments.count = num_token_partitions + 1; - - for (partition_idx = 1; partition_idx < pbi->fragments.count; ++partition_idx) - { - if (vp8dx_start_decode(bool_decoder, - pbi->fragments.ptrs[partition_idx], - pbi->fragments.sizes[partition_idx], - pbi->decrypt_cb, pbi->decrypt_state)) - vpx_internal_error(&pbi->common.error, VPX_CODEC_MEM_ERROR, - "Failed to allocate bool decoder %d", - partition_idx); - - bool_decoder++; - } - -#if CONFIG_MULTITHREAD - /* Clamp number of decoder threads */ - if (pbi->decoding_thread_count > num_token_partitions - 1) - pbi->decoding_thread_count = num_token_partitions - 1; -#endif -} - - -static void init_frame(VP8D_COMP *pbi) -{ - VP8_COMMON *const pc = & pbi->common; - MACROBLOCKD *const xd = & pbi->mb; - - if (pc->frame_type == KEY_FRAME) - { - /* Various keyframe initializations */ - memcpy(pc->fc.mvc, vp8_default_mv_context, sizeof(vp8_default_mv_context)); - - vp8_init_mbmode_probs(pc); - - vp8_default_coef_probs(pc); - - /* reset the segment feature data to 0 with delta coding (Default state). */ - memset(xd->segment_feature_data, 0, sizeof(xd->segment_feature_data)); - xd->mb_segement_abs_delta = SEGMENT_DELTADATA; - - /* reset the mode ref deltasa for loop filter */ - memset(xd->ref_lf_deltas, 0, sizeof(xd->ref_lf_deltas)); - memset(xd->mode_lf_deltas, 0, sizeof(xd->mode_lf_deltas)); - - /* All buffers are implicitly updated on key frames. */ - pc->refresh_golden_frame = 1; - pc->refresh_alt_ref_frame = 1; - pc->copy_buffer_to_gf = 0; - pc->copy_buffer_to_arf = 0; - - /* Note that Golden and Altref modes cannot be used on a key frame so - * ref_frame_sign_bias[] is undefined and meaningless - */ - pc->ref_frame_sign_bias[GOLDEN_FRAME] = 0; - pc->ref_frame_sign_bias[ALTREF_FRAME] = 0; - } - else - { - /* To enable choice of different interploation filters */ - if (!pc->use_bilinear_mc_filter) - { - xd->subpixel_predict = vp8_sixtap_predict4x4; - xd->subpixel_predict8x4 = vp8_sixtap_predict8x4; - xd->subpixel_predict8x8 = vp8_sixtap_predict8x8; - xd->subpixel_predict16x16 = vp8_sixtap_predict16x16; - } - else - { - xd->subpixel_predict = vp8_bilinear_predict4x4; - xd->subpixel_predict8x4 = vp8_bilinear_predict8x4; - xd->subpixel_predict8x8 = vp8_bilinear_predict8x8; - xd->subpixel_predict16x16 = vp8_bilinear_predict16x16; - } - - if (pbi->decoded_key_frame && pbi->ec_enabled && !pbi->ec_active) - pbi->ec_active = 1; - } - - xd->left_context = &pc->left_context; - xd->mode_info_context = pc->mi; - xd->frame_type = pc->frame_type; - xd->mode_info_context->mbmi.mode = DC_PRED; - xd->mode_info_stride = pc->mode_info_stride; - xd->corrupted = 0; /* init without corruption */ - - xd->fullpixel_mask = 0xffffffff; - if(pc->full_pixel) - xd->fullpixel_mask = 0xfffffff8; - -} - -int vp8_decode_frame(VP8D_COMP *pbi) -{ - vp8_reader *const bc = &pbi->mbc[8]; - VP8_COMMON *const pc = &pbi->common; - MACROBLOCKD *const xd = &pbi->mb; - const unsigned char *data = pbi->fragments.ptrs[0]; - const unsigned int data_sz = pbi->fragments.sizes[0]; - const unsigned char *data_end = data + data_sz; - ptrdiff_t first_partition_length_in_bytes; - - int i, j, k, l; - const int *const mb_feature_data_bits = vp8_mb_feature_data_bits; - int corrupt_tokens = 0; - int prev_independent_partitions = pbi->independent_partitions; - - YV12_BUFFER_CONFIG *yv12_fb_new = pbi->dec_fb_ref[INTRA_FRAME]; - - /* start with no corruption of current frame */ - xd->corrupted = 0; - yv12_fb_new->corrupted = 0; - - if (data_end - data < 3) - { - if (!pbi->ec_active) - { - vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME, - "Truncated packet"); - } - - /* Declare the missing frame as an inter frame since it will - be handled as an inter frame when we have estimated its - motion vectors. */ - pc->frame_type = INTER_FRAME; - pc->version = 0; - pc->show_frame = 1; - first_partition_length_in_bytes = 0; - } - else - { - unsigned char clear_buffer[10]; - const unsigned char *clear = data; - if (pbi->decrypt_cb) - { - int n = (int)VPXMIN(sizeof(clear_buffer), data_sz); - pbi->decrypt_cb(pbi->decrypt_state, data, clear_buffer, n); - clear = clear_buffer; - } - - pc->frame_type = (FRAME_TYPE)(clear[0] & 1); - pc->version = (clear[0] >> 1) & 7; - pc->show_frame = (clear[0] >> 4) & 1; - first_partition_length_in_bytes = - (clear[0] | (clear[1] << 8) | (clear[2] << 16)) >> 5; - - if (!pbi->ec_active && - (data + first_partition_length_in_bytes > data_end - || data + first_partition_length_in_bytes < data)) - vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME, - "Truncated packet or corrupt partition 0 length"); - - data += 3; - clear += 3; - - vp8_setup_version(pc); - - - if (pc->frame_type == KEY_FRAME) - { - /* vet via sync code */ - /* When error concealment is enabled we should only check the sync - * code if we have enough bits available - */ - if (!pbi->ec_active || data + 3 < data_end) - { - if (clear[0] != 0x9d || clear[1] != 0x01 || clear[2] != 0x2a) - vpx_internal_error(&pc->error, VPX_CODEC_UNSUP_BITSTREAM, - "Invalid frame sync code"); - } - - /* If error concealment is enabled we should only parse the new size - * if we have enough data. Otherwise we will end up with the wrong - * size. - */ - if (!pbi->ec_active || data + 6 < data_end) - { - pc->Width = (clear[3] | (clear[4] << 8)) & 0x3fff; - pc->horiz_scale = clear[4] >> 6; - pc->Height = (clear[5] | (clear[6] << 8)) & 0x3fff; - pc->vert_scale = clear[6] >> 6; - } - data += 7; - } - else - { - memcpy(&xd->pre, yv12_fb_new, sizeof(YV12_BUFFER_CONFIG)); - memcpy(&xd->dst, yv12_fb_new, sizeof(YV12_BUFFER_CONFIG)); - } - } - if ((!pbi->decoded_key_frame && pc->frame_type != KEY_FRAME)) - { - return -1; - } - - init_frame(pbi); - - if (vp8dx_start_decode(bc, data, (unsigned int)(data_end - data), - pbi->decrypt_cb, pbi->decrypt_state)) - vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR, - "Failed to allocate bool decoder 0"); - if (pc->frame_type == KEY_FRAME) { - (void)vp8_read_bit(bc); // colorspace - pc->clamp_type = (CLAMP_TYPE)vp8_read_bit(bc); - } - - /* Is segmentation enabled */ - xd->segmentation_enabled = (unsigned char)vp8_read_bit(bc); - - if (xd->segmentation_enabled) - { - /* Signal whether or not the segmentation map is being explicitly updated this frame. */ - xd->update_mb_segmentation_map = (unsigned char)vp8_read_bit(bc); - xd->update_mb_segmentation_data = (unsigned char)vp8_read_bit(bc); - - if (xd->update_mb_segmentation_data) - { - xd->mb_segement_abs_delta = (unsigned char)vp8_read_bit(bc); - - memset(xd->segment_feature_data, 0, sizeof(xd->segment_feature_data)); - - /* For each segmentation feature (Quant and loop filter level) */ - for (i = 0; i < MB_LVL_MAX; i++) - { - for (j = 0; j < MAX_MB_SEGMENTS; j++) - { - /* Frame level data */ - if (vp8_read_bit(bc)) - { - xd->segment_feature_data[i][j] = (signed char)vp8_read_literal(bc, mb_feature_data_bits[i]); - - if (vp8_read_bit(bc)) - xd->segment_feature_data[i][j] = -xd->segment_feature_data[i][j]; - } - else - xd->segment_feature_data[i][j] = 0; - } - } - } - - if (xd->update_mb_segmentation_map) - { - /* Which macro block level features are enabled */ - memset(xd->mb_segment_tree_probs, 255, sizeof(xd->mb_segment_tree_probs)); - - /* Read the probs used to decode the segment id for each macro block. */ - for (i = 0; i < MB_FEATURE_TREE_PROBS; i++) - { - /* If not explicitly set value is defaulted to 255 by memset above */ - if (vp8_read_bit(bc)) - xd->mb_segment_tree_probs[i] = (vp8_prob)vp8_read_literal(bc, 8); - } - } - } - else - { - /* No segmentation updates on this frame */ - xd->update_mb_segmentation_map = 0; - xd->update_mb_segmentation_data = 0; - } - - /* Read the loop filter level and type */ - pc->filter_type = (LOOPFILTERTYPE) vp8_read_bit(bc); - pc->filter_level = vp8_read_literal(bc, 6); - pc->sharpness_level = vp8_read_literal(bc, 3); - - /* Read in loop filter deltas applied at the MB level based on mode or ref frame. */ - xd->mode_ref_lf_delta_update = 0; - xd->mode_ref_lf_delta_enabled = (unsigned char)vp8_read_bit(bc); - - if (xd->mode_ref_lf_delta_enabled) - { - /* Do the deltas need to be updated */ - xd->mode_ref_lf_delta_update = (unsigned char)vp8_read_bit(bc); - - if (xd->mode_ref_lf_delta_update) - { - /* Send update */ - for (i = 0; i < MAX_REF_LF_DELTAS; i++) - { - if (vp8_read_bit(bc)) - { - /*sign = vp8_read_bit( bc );*/ - xd->ref_lf_deltas[i] = (signed char)vp8_read_literal(bc, 6); - - if (vp8_read_bit(bc)) /* Apply sign */ - xd->ref_lf_deltas[i] = xd->ref_lf_deltas[i] * -1; - } - } - - /* Send update */ - for (i = 0; i < MAX_MODE_LF_DELTAS; i++) - { - if (vp8_read_bit(bc)) - { - /*sign = vp8_read_bit( bc );*/ - xd->mode_lf_deltas[i] = (signed char)vp8_read_literal(bc, 6); - - if (vp8_read_bit(bc)) /* Apply sign */ - xd->mode_lf_deltas[i] = xd->mode_lf_deltas[i] * -1; - } - } - } - } - - setup_token_decoder(pbi, data + first_partition_length_in_bytes); - - xd->current_bc = &pbi->mbc[0]; - - /* Read the default quantizers. */ - { - int Q, q_update; - - Q = vp8_read_literal(bc, 7); /* AC 1st order Q = default */ - pc->base_qindex = Q; - q_update = 0; - pc->y1dc_delta_q = get_delta_q(bc, pc->y1dc_delta_q, &q_update); - pc->y2dc_delta_q = get_delta_q(bc, pc->y2dc_delta_q, &q_update); - pc->y2ac_delta_q = get_delta_q(bc, pc->y2ac_delta_q, &q_update); - pc->uvdc_delta_q = get_delta_q(bc, pc->uvdc_delta_q, &q_update); - pc->uvac_delta_q = get_delta_q(bc, pc->uvac_delta_q, &q_update); - - if (q_update) - vp8cx_init_de_quantizer(pbi); - - /* MB level dequantizer setup */ - vp8_mb_init_dequantizer(pbi, &pbi->mb); - } - - /* Determine if the golden frame or ARF buffer should be updated and how. - * For all non key frames the GF and ARF refresh flags and sign bias - * flags must be set explicitly. - */ - if (pc->frame_type != KEY_FRAME) - { - /* Should the GF or ARF be updated from the current frame */ - pc->refresh_golden_frame = vp8_read_bit(bc); -#if CONFIG_ERROR_CONCEALMENT - /* Assume we shouldn't refresh golden if the bit is missing */ - xd->corrupted |= vp8dx_bool_error(bc); - if (pbi->ec_active && xd->corrupted) - pc->refresh_golden_frame = 0; -#endif - - pc->refresh_alt_ref_frame = vp8_read_bit(bc); -#if CONFIG_ERROR_CONCEALMENT - /* Assume we shouldn't refresh altref if the bit is missing */ - xd->corrupted |= vp8dx_bool_error(bc); - if (pbi->ec_active && xd->corrupted) - pc->refresh_alt_ref_frame = 0; -#endif - - /* Buffer to buffer copy flags. */ - pc->copy_buffer_to_gf = 0; - - if (!pc->refresh_golden_frame) - pc->copy_buffer_to_gf = vp8_read_literal(bc, 2); - -#if CONFIG_ERROR_CONCEALMENT - /* Assume we shouldn't copy to the golden if the bit is missing */ - xd->corrupted |= vp8dx_bool_error(bc); - if (pbi->ec_active && xd->corrupted) - pc->copy_buffer_to_gf = 0; -#endif - - pc->copy_buffer_to_arf = 0; - - if (!pc->refresh_alt_ref_frame) - pc->copy_buffer_to_arf = vp8_read_literal(bc, 2); - -#if CONFIG_ERROR_CONCEALMENT - /* Assume we shouldn't copy to the alt-ref if the bit is missing */ - xd->corrupted |= vp8dx_bool_error(bc); - if (pbi->ec_active && xd->corrupted) - pc->copy_buffer_to_arf = 0; -#endif - - - pc->ref_frame_sign_bias[GOLDEN_FRAME] = vp8_read_bit(bc); - pc->ref_frame_sign_bias[ALTREF_FRAME] = vp8_read_bit(bc); - } - - pc->refresh_entropy_probs = vp8_read_bit(bc); -#if CONFIG_ERROR_CONCEALMENT - /* Assume we shouldn't refresh the probabilities if the bit is - * missing */ - xd->corrupted |= vp8dx_bool_error(bc); - if (pbi->ec_active && xd->corrupted) - pc->refresh_entropy_probs = 0; -#endif - if (pc->refresh_entropy_probs == 0) - { - memcpy(&pc->lfc, &pc->fc, sizeof(pc->fc)); - } - - pc->refresh_last_frame = pc->frame_type == KEY_FRAME || vp8_read_bit(bc); - -#if CONFIG_ERROR_CONCEALMENT - /* Assume we should refresh the last frame if the bit is missing */ - xd->corrupted |= vp8dx_bool_error(bc); - if (pbi->ec_active && xd->corrupted) - pc->refresh_last_frame = 1; -#endif - - if (0) - { - FILE *z = fopen("decodestats.stt", "a"); - fprintf(z, "%6d F:%d,G:%d,A:%d,L:%d,Q:%d\n", - pc->current_video_frame, - pc->frame_type, - pc->refresh_golden_frame, - pc->refresh_alt_ref_frame, - pc->refresh_last_frame, - pc->base_qindex); - fclose(z); - } - - { - pbi->independent_partitions = 1; - - /* read coef probability tree */ - for (i = 0; i < BLOCK_TYPES; i++) - for (j = 0; j < COEF_BANDS; j++) - for (k = 0; k < PREV_COEF_CONTEXTS; k++) - for (l = 0; l < ENTROPY_NODES; l++) - { - - vp8_prob *const p = pc->fc.coef_probs [i][j][k] + l; - - if (vp8_read(bc, vp8_coef_update_probs [i][j][k][l])) - { - *p = (vp8_prob)vp8_read_literal(bc, 8); - - } - if (k > 0 && *p != pc->fc.coef_probs[i][j][k-1][l]) - pbi->independent_partitions = 0; - - } - } - - /* clear out the coeff buffer */ - memset(xd->qcoeff, 0, sizeof(xd->qcoeff)); - - vp8_decode_mode_mvs(pbi); - -#if CONFIG_ERROR_CONCEALMENT - if (pbi->ec_active && - pbi->mvs_corrupt_from_mb < (unsigned int)pc->mb_cols * pc->mb_rows) - { - /* Motion vectors are missing in this frame. We will try to estimate - * them and then continue decoding the frame as usual */ - vp8_estimate_missing_mvs(pbi); - } -#endif - - memset(pc->above_context, 0, sizeof(ENTROPY_CONTEXT_PLANES) * pc->mb_cols); - pbi->frame_corrupt_residual = 0; - -#if CONFIG_MULTITHREAD - if (pbi->b_multithreaded_rd && pc->multi_token_partition != ONE_PARTITION) - { - unsigned int thread; - vp8mt_decode_mb_rows(pbi, xd); - vp8_yv12_extend_frame_borders(yv12_fb_new); - for (thread = 0; thread < pbi->decoding_thread_count; ++thread) - corrupt_tokens |= pbi->mb_row_di[thread].mbd.corrupted; - } - else -#endif - { - decode_mb_rows(pbi); - corrupt_tokens |= xd->corrupted; - } - - /* Collect information about decoder corruption. */ - /* 1. Check first boolean decoder for errors. */ - yv12_fb_new->corrupted = vp8dx_bool_error(bc); - /* 2. Check the macroblock information */ - yv12_fb_new->corrupted |= corrupt_tokens; - - if (!pbi->decoded_key_frame) - { - if (pc->frame_type == KEY_FRAME && - !yv12_fb_new->corrupted) - pbi->decoded_key_frame = 1; - else - vpx_internal_error(&pbi->common.error, VPX_CODEC_CORRUPT_FRAME, - "A stream must start with a complete key frame"); - } - - /* vpx_log("Decoder: Frame Decoded, Size Roughly:%d bytes \n",bc->pos+pbi->bc2.pos); */ - - if (pc->refresh_entropy_probs == 0) - { - memcpy(&pc->fc, &pc->lfc, sizeof(pc->fc)); - pbi->independent_partitions = prev_independent_partitions; - } - -#ifdef PACKET_TESTING - { - FILE *f = fopen("decompressor.VP8", "ab"); - unsigned int size = pbi->bc2.pos + pbi->bc.pos + 8; - fwrite((void *) &size, 4, 1, f); - fwrite((void *) pbi->Source, size, 1, f); - fclose(f); - } -#endif - - return 0; -} diff --git a/thirdparty/libvpx/vp8/decoder/decodemv.c b/thirdparty/libvpx/vp8/decoder/decodemv.c deleted file mode 100644 index 1d155e7e16..0000000000 --- a/thirdparty/libvpx/vp8/decoder/decodemv.c +++ /dev/null @@ -1,670 +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 "treereader.h" -#include "vp8/common/entropymv.h" -#include "vp8/common/entropymode.h" -#include "onyxd_int.h" -#include "vp8/common/findnearmv.h" - -#if CONFIG_DEBUG -#include <assert.h> -#endif -static B_PREDICTION_MODE read_bmode(vp8_reader *bc, const vp8_prob *p) -{ - const int i = vp8_treed_read(bc, vp8_bmode_tree, p); - - return (B_PREDICTION_MODE)i; -} - -static MB_PREDICTION_MODE read_ymode(vp8_reader *bc, const vp8_prob *p) -{ - const int i = vp8_treed_read(bc, vp8_ymode_tree, p); - - return (MB_PREDICTION_MODE)i; -} - -static MB_PREDICTION_MODE read_kf_ymode(vp8_reader *bc, const vp8_prob *p) -{ - const int i = vp8_treed_read(bc, vp8_kf_ymode_tree, p); - - return (MB_PREDICTION_MODE)i; -} - -static MB_PREDICTION_MODE read_uv_mode(vp8_reader *bc, const vp8_prob *p) -{ - const int i = vp8_treed_read(bc, vp8_uv_mode_tree, p); - - return (MB_PREDICTION_MODE)i; -} - -static void read_kf_modes(VP8D_COMP *pbi, MODE_INFO *mi) -{ - vp8_reader *const bc = & pbi->mbc[8]; - const int mis = pbi->common.mode_info_stride; - - mi->mbmi.ref_frame = INTRA_FRAME; - mi->mbmi.mode = read_kf_ymode(bc, vp8_kf_ymode_prob); - - if (mi->mbmi.mode == B_PRED) - { - int i = 0; - mi->mbmi.is_4x4 = 1; - - do - { - const B_PREDICTION_MODE A = above_block_mode(mi, i, mis); - const B_PREDICTION_MODE L = left_block_mode(mi, i); - - mi->bmi[i].as_mode = - read_bmode(bc, vp8_kf_bmode_prob [A] [L]); - } - while (++i < 16); - } - - mi->mbmi.uv_mode = read_uv_mode(bc, vp8_kf_uv_mode_prob); -} - -static int read_mvcomponent(vp8_reader *r, const MV_CONTEXT *mvc) -{ - const vp8_prob *const p = (const vp8_prob *) mvc; - int x = 0; - - if (vp8_read(r, p [mvpis_short])) /* Large */ - { - int i = 0; - - do - { - x += vp8_read(r, p [MVPbits + i]) << i; - } - while (++i < 3); - - i = mvlong_width - 1; /* Skip bit 3, which is sometimes implicit */ - - do - { - x += vp8_read(r, p [MVPbits + i]) << i; - } - while (--i > 3); - - if (!(x & 0xFFF0) || vp8_read(r, p [MVPbits + 3])) - x += 8; - } - else /* small */ - x = vp8_treed_read(r, vp8_small_mvtree, p + MVPshort); - - if (x && vp8_read(r, p [MVPsign])) - x = -x; - - return x; -} - -static void read_mv(vp8_reader *r, MV *mv, const MV_CONTEXT *mvc) -{ - mv->row = (short)(read_mvcomponent(r, mvc) * 2); - mv->col = (short)(read_mvcomponent(r, ++mvc) * 2); -} - - -static void read_mvcontexts(vp8_reader *bc, MV_CONTEXT *mvc) -{ - int i = 0; - - do - { - const vp8_prob *up = vp8_mv_update_probs[i].prob; - vp8_prob *p = (vp8_prob *)(mvc + i); - vp8_prob *const pstop = p + MVPcount; - - do - { - if (vp8_read(bc, *up++)) - { - const vp8_prob x = (vp8_prob)vp8_read_literal(bc, 7); - - *p = x ? x << 1 : 1; - } - } - while (++p < pstop); - } - while (++i < 2); -} - -static const unsigned char mbsplit_fill_count[4] = {8, 8, 4, 1}; -static const unsigned char mbsplit_fill_offset[4][16] = { - { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, - { 0, 1, 4, 5, 8, 9, 12, 13, 2, 3, 6, 7, 10, 11, 14, 15}, - { 0, 1, 4, 5, 2, 3, 6, 7, 8, 9, 12, 13, 10, 11, 14, 15}, - { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} -}; - - -static void mb_mode_mv_init(VP8D_COMP *pbi) -{ - vp8_reader *const bc = & pbi->mbc[8]; - MV_CONTEXT *const mvc = pbi->common.fc.mvc; - -#if CONFIG_ERROR_CONCEALMENT - /* Default is that no macroblock is corrupt, therefore we initialize - * mvs_corrupt_from_mb to something very big, which we can be sure is - * outside the frame. */ - pbi->mvs_corrupt_from_mb = UINT_MAX; -#endif - /* Read the mb_no_coeff_skip flag */ - pbi->common.mb_no_coeff_skip = (int)vp8_read_bit(bc); - - pbi->prob_skip_false = 0; - if (pbi->common.mb_no_coeff_skip) - pbi->prob_skip_false = (vp8_prob)vp8_read_literal(bc, 8); - - if(pbi->common.frame_type != KEY_FRAME) - { - pbi->prob_intra = (vp8_prob)vp8_read_literal(bc, 8); - pbi->prob_last = (vp8_prob)vp8_read_literal(bc, 8); - pbi->prob_gf = (vp8_prob)vp8_read_literal(bc, 8); - - if (vp8_read_bit(bc)) - { - int i = 0; - - do - { - pbi->common.fc.ymode_prob[i] = - (vp8_prob) vp8_read_literal(bc, 8); - } - while (++i < 4); - } - - if (vp8_read_bit(bc)) - { - int i = 0; - - do - { - pbi->common.fc.uv_mode_prob[i] = - (vp8_prob) vp8_read_literal(bc, 8); - } - while (++i < 3); - } - - read_mvcontexts(bc, mvc); - } -} - -const vp8_prob vp8_sub_mv_ref_prob3 [8][VP8_SUBMVREFS-1] = -{ - { 147, 136, 18 }, /* SUBMVREF_NORMAL */ - { 223, 1 , 34 }, /* SUBMVREF_LEFT_ABOVE_SAME */ - { 106, 145, 1 }, /* SUBMVREF_LEFT_ZED */ - { 208, 1 , 1 }, /* SUBMVREF_LEFT_ABOVE_ZED */ - { 179, 121, 1 }, /* SUBMVREF_ABOVE_ZED */ - { 223, 1 , 34 }, /* SUBMVREF_LEFT_ABOVE_SAME */ - { 179, 121, 1 }, /* SUBMVREF_ABOVE_ZED */ - { 208, 1 , 1 } /* SUBMVREF_LEFT_ABOVE_ZED */ -}; - -static -const vp8_prob * get_sub_mv_ref_prob(const int left, const int above) -{ - int lez = (left == 0); - int aez = (above == 0); - int lea = (left == above); - const vp8_prob * prob; - - prob = vp8_sub_mv_ref_prob3[(aez << 2) | - (lez << 1) | - (lea)]; - - return prob; -} - -static void decode_split_mv(vp8_reader *const bc, MODE_INFO *mi, - const MODE_INFO *left_mb, const MODE_INFO *above_mb, - MB_MODE_INFO *mbmi, int_mv best_mv, - MV_CONTEXT *const mvc, int mb_to_left_edge, - int mb_to_right_edge, int mb_to_top_edge, - int mb_to_bottom_edge) -{ - int s; /* split configuration (16x8, 8x16, 8x8, 4x4) */ - int num_p; /* number of partitions in the split configuration - (see vp8_mbsplit_count) */ - int j = 0; - - s = 3; - num_p = 16; - if( vp8_read(bc, 110) ) - { - s = 2; - num_p = 4; - if( vp8_read(bc, 111) ) - { - s = vp8_read(bc, 150); - num_p = 2; - } - } - - do /* for each subset j */ - { - int_mv leftmv, abovemv; - int_mv blockmv; - int k; /* first block in subset j */ - - const vp8_prob *prob; - k = vp8_mbsplit_offset[s][j]; - - if (!(k & 3)) - { - /* On L edge, get from MB to left of us */ - if(left_mb->mbmi.mode != SPLITMV) - leftmv.as_int = left_mb->mbmi.mv.as_int; - else - leftmv.as_int = (left_mb->bmi + k + 4 - 1)->mv.as_int; - } - else - leftmv.as_int = (mi->bmi + k - 1)->mv.as_int; - - if (!(k >> 2)) - { - /* On top edge, get from MB above us */ - if(above_mb->mbmi.mode != SPLITMV) - abovemv.as_int = above_mb->mbmi.mv.as_int; - else - abovemv.as_int = (above_mb->bmi + k + 16 - 4)->mv.as_int; - } - else - abovemv.as_int = (mi->bmi + k - 4)->mv.as_int; - - prob = get_sub_mv_ref_prob(leftmv.as_int, abovemv.as_int); - - if( vp8_read(bc, prob[0]) ) - { - if( vp8_read(bc, prob[1]) ) - { - blockmv.as_int = 0; - if( vp8_read(bc, prob[2]) ) - { - blockmv.as_mv.row = read_mvcomponent(bc, &mvc[0]) * 2; - blockmv.as_mv.row += best_mv.as_mv.row; - blockmv.as_mv.col = read_mvcomponent(bc, &mvc[1]) * 2; - blockmv.as_mv.col += best_mv.as_mv.col; - } - } - else - { - blockmv.as_int = abovemv.as_int; - } - } - else - { - blockmv.as_int = leftmv.as_int; - } - - mbmi->need_to_clamp_mvs |= vp8_check_mv_bounds(&blockmv, - mb_to_left_edge, - mb_to_right_edge, - mb_to_top_edge, - mb_to_bottom_edge); - - { - /* Fill (uniform) modes, mvs of jth subset. - Must do it here because ensuing subsets can - refer back to us via "left" or "above". */ - const unsigned char *fill_offset; - unsigned int fill_count = mbsplit_fill_count[s]; - - fill_offset = &mbsplit_fill_offset[s] - [(unsigned char)j * mbsplit_fill_count[s]]; - - do { - mi->bmi[ *fill_offset].mv.as_int = blockmv.as_int; - fill_offset++; - }while (--fill_count); - } - - } - while (++j < num_p); - - mbmi->partitioning = s; -} - -static void read_mb_modes_mv(VP8D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi) -{ - vp8_reader *const bc = & pbi->mbc[8]; - mbmi->ref_frame = (MV_REFERENCE_FRAME) vp8_read(bc, pbi->prob_intra); - if (mbmi->ref_frame) /* inter MB */ - { - enum {CNT_INTRA, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV}; - int cnt[4]; - int *cntx = cnt; - int_mv near_mvs[4]; - int_mv *nmv = near_mvs; - const int mis = pbi->mb.mode_info_stride; - const MODE_INFO *above = mi - mis; - const MODE_INFO *left = mi - 1; - const MODE_INFO *aboveleft = above - 1; - int *ref_frame_sign_bias = pbi->common.ref_frame_sign_bias; - - mbmi->need_to_clamp_mvs = 0; - - if (vp8_read(bc, pbi->prob_last)) - { - mbmi->ref_frame = - (MV_REFERENCE_FRAME)((int)(2 + vp8_read(bc, pbi->prob_gf))); - } - - /* Zero accumulators */ - nmv[0].as_int = nmv[1].as_int = nmv[2].as_int = 0; - cnt[0] = cnt[1] = cnt[2] = cnt[3] = 0; - - /* Process above */ - if (above->mbmi.ref_frame != INTRA_FRAME) - { - if (above->mbmi.mv.as_int) - { - (++nmv)->as_int = above->mbmi.mv.as_int; - mv_bias(ref_frame_sign_bias[above->mbmi.ref_frame], - mbmi->ref_frame, nmv, ref_frame_sign_bias); - ++cntx; - } - - *cntx += 2; - } - - /* Process left */ - if (left->mbmi.ref_frame != INTRA_FRAME) - { - if (left->mbmi.mv.as_int) - { - int_mv this_mv; - - this_mv.as_int = left->mbmi.mv.as_int; - mv_bias(ref_frame_sign_bias[left->mbmi.ref_frame], - mbmi->ref_frame, &this_mv, ref_frame_sign_bias); - - if (this_mv.as_int != nmv->as_int) - { - (++nmv)->as_int = this_mv.as_int; - ++cntx; - } - - *cntx += 2; - } - else - cnt[CNT_INTRA] += 2; - } - - /* Process above left */ - if (aboveleft->mbmi.ref_frame != INTRA_FRAME) - { - if (aboveleft->mbmi.mv.as_int) - { - int_mv this_mv; - - this_mv.as_int = aboveleft->mbmi.mv.as_int; - mv_bias(ref_frame_sign_bias[aboveleft->mbmi.ref_frame], - mbmi->ref_frame, &this_mv, ref_frame_sign_bias); - - if (this_mv.as_int != nmv->as_int) - { - (++nmv)->as_int = this_mv.as_int; - ++cntx; - } - - *cntx += 1; - } - else - cnt[CNT_INTRA] += 1; - } - - if( vp8_read(bc, vp8_mode_contexts [cnt[CNT_INTRA]] [0]) ) - { - - /* If we have three distinct MV's ... */ - /* See if above-left MV can be merged with NEAREST */ - cnt[CNT_NEAREST] += ( (cnt[CNT_SPLITMV] > 0) & - (nmv->as_int == near_mvs[CNT_NEAREST].as_int)); - - /* Swap near and nearest if necessary */ - if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) - { - int tmp; - tmp = cnt[CNT_NEAREST]; - cnt[CNT_NEAREST] = cnt[CNT_NEAR]; - cnt[CNT_NEAR] = tmp; - tmp = near_mvs[CNT_NEAREST].as_int; - near_mvs[CNT_NEAREST].as_int = near_mvs[CNT_NEAR].as_int; - near_mvs[CNT_NEAR].as_int = tmp; - } - - if( vp8_read(bc, vp8_mode_contexts [cnt[CNT_NEAREST]] [1]) ) - { - - if( vp8_read(bc, vp8_mode_contexts [cnt[CNT_NEAR]] [2]) ) - { - int mb_to_top_edge; - int mb_to_bottom_edge; - int mb_to_left_edge; - int mb_to_right_edge; - MV_CONTEXT *const mvc = pbi->common.fc.mvc; - int near_index; - - mb_to_top_edge = pbi->mb.mb_to_top_edge; - mb_to_bottom_edge = pbi->mb.mb_to_bottom_edge; - mb_to_top_edge -= LEFT_TOP_MARGIN; - mb_to_bottom_edge += RIGHT_BOTTOM_MARGIN; - mb_to_right_edge = pbi->mb.mb_to_right_edge; - mb_to_right_edge += RIGHT_BOTTOM_MARGIN; - mb_to_left_edge = pbi->mb.mb_to_left_edge; - mb_to_left_edge -= LEFT_TOP_MARGIN; - - /* Use near_mvs[0] to store the "best" MV */ - near_index = CNT_INTRA + - (cnt[CNT_NEAREST] >= cnt[CNT_INTRA]); - - vp8_clamp_mv2(&near_mvs[near_index], &pbi->mb); - - cnt[CNT_SPLITMV] = ((above->mbmi.mode == SPLITMV) - + (left->mbmi.mode == SPLITMV)) * 2 - + (aboveleft->mbmi.mode == SPLITMV); - - if( vp8_read(bc, vp8_mode_contexts [cnt[CNT_SPLITMV]] [3]) ) - { - decode_split_mv(bc, mi, left, above, - mbmi, - near_mvs[near_index], - mvc, mb_to_left_edge, - mb_to_right_edge, - mb_to_top_edge, - mb_to_bottom_edge); - mbmi->mv.as_int = mi->bmi[15].mv.as_int; - mbmi->mode = SPLITMV; - mbmi->is_4x4 = 1; - } - else - { - int_mv *const mbmi_mv = & mbmi->mv; - read_mv(bc, &mbmi_mv->as_mv, (const MV_CONTEXT *) mvc); - mbmi_mv->as_mv.row += near_mvs[near_index].as_mv.row; - mbmi_mv->as_mv.col += near_mvs[near_index].as_mv.col; - - /* Don't need to check this on NEARMV and NEARESTMV - * modes since those modes clamp the MV. The NEWMV mode - * does not, so signal to the prediction stage whether - * special handling may be required. - */ - mbmi->need_to_clamp_mvs = - vp8_check_mv_bounds(mbmi_mv, mb_to_left_edge, - mb_to_right_edge, - mb_to_top_edge, - mb_to_bottom_edge); - mbmi->mode = NEWMV; - } - } - else - { - mbmi->mode = NEARMV; - mbmi->mv.as_int = near_mvs[CNT_NEAR].as_int; - vp8_clamp_mv2(&mbmi->mv, &pbi->mb); - } - } - else - { - mbmi->mode = NEARESTMV; - mbmi->mv.as_int = near_mvs[CNT_NEAREST].as_int; - vp8_clamp_mv2(&mbmi->mv, &pbi->mb); - } - } - else - { - mbmi->mode = ZEROMV; - mbmi->mv.as_int = 0; - } - -#if CONFIG_ERROR_CONCEALMENT - if(pbi->ec_enabled && (mbmi->mode != SPLITMV)) - { - mi->bmi[ 0].mv.as_int = - mi->bmi[ 1].mv.as_int = - mi->bmi[ 2].mv.as_int = - mi->bmi[ 3].mv.as_int = - mi->bmi[ 4].mv.as_int = - mi->bmi[ 5].mv.as_int = - mi->bmi[ 6].mv.as_int = - mi->bmi[ 7].mv.as_int = - mi->bmi[ 8].mv.as_int = - mi->bmi[ 9].mv.as_int = - mi->bmi[10].mv.as_int = - mi->bmi[11].mv.as_int = - mi->bmi[12].mv.as_int = - mi->bmi[13].mv.as_int = - mi->bmi[14].mv.as_int = - mi->bmi[15].mv.as_int = mbmi->mv.as_int; - } -#endif - } - else - { - /* required for left and above block mv */ - mbmi->mv.as_int = 0; - - /* MB is intra coded */ - if ((mbmi->mode = read_ymode(bc, pbi->common.fc.ymode_prob)) == B_PRED) - { - int j = 0; - mbmi->is_4x4 = 1; - do - { - mi->bmi[j].as_mode = read_bmode(bc, pbi->common.fc.bmode_prob); - } - while (++j < 16); - } - - mbmi->uv_mode = read_uv_mode(bc, pbi->common.fc.uv_mode_prob); - } - -} - -static void read_mb_features(vp8_reader *r, MB_MODE_INFO *mi, MACROBLOCKD *x) -{ - /* Is segmentation enabled */ - if (x->segmentation_enabled && x->update_mb_segmentation_map) - { - /* If so then read the segment id. */ - if (vp8_read(r, x->mb_segment_tree_probs[0])) - mi->segment_id = - (unsigned char)(2 + vp8_read(r, x->mb_segment_tree_probs[2])); - else - mi->segment_id = - (unsigned char)(vp8_read(r, x->mb_segment_tree_probs[1])); - } -} - -static void decode_mb_mode_mvs(VP8D_COMP *pbi, MODE_INFO *mi, - MB_MODE_INFO *mbmi) -{ - (void)mbmi; - - /* Read the Macroblock segmentation map if it is being updated explicitly - * this frame (reset to 0 above by default) - * By default on a key frame reset all MBs to segment 0 - */ - if (pbi->mb.update_mb_segmentation_map) - read_mb_features(&pbi->mbc[8], &mi->mbmi, &pbi->mb); - else if(pbi->common.frame_type == KEY_FRAME) - mi->mbmi.segment_id = 0; - - /* Read the macroblock coeff skip flag if this feature is in use, - * else default to 0 */ - if (pbi->common.mb_no_coeff_skip) - mi->mbmi.mb_skip_coeff = vp8_read(&pbi->mbc[8], pbi->prob_skip_false); - else - mi->mbmi.mb_skip_coeff = 0; - - mi->mbmi.is_4x4 = 0; - if(pbi->common.frame_type == KEY_FRAME) - read_kf_modes(pbi, mi); - else - read_mb_modes_mv(pbi, mi, &mi->mbmi); - -} - -void vp8_decode_mode_mvs(VP8D_COMP *pbi) -{ - MODE_INFO *mi = pbi->common.mi; - int mb_row = -1; - int mb_to_right_edge_start; - - mb_mode_mv_init(pbi); - - pbi->mb.mb_to_top_edge = 0; - pbi->mb.mb_to_bottom_edge = ((pbi->common.mb_rows - 1) * 16) << 3; - mb_to_right_edge_start = ((pbi->common.mb_cols - 1) * 16) << 3; - - while (++mb_row < pbi->common.mb_rows) - { - int mb_col = -1; - - pbi->mb.mb_to_left_edge = 0; - pbi->mb.mb_to_right_edge = mb_to_right_edge_start; - - while (++mb_col < pbi->common.mb_cols) - { -#if CONFIG_ERROR_CONCEALMENT - int mb_num = mb_row * pbi->common.mb_cols + mb_col; -#endif - - decode_mb_mode_mvs(pbi, mi, &mi->mbmi); - -#if CONFIG_ERROR_CONCEALMENT - /* look for corruption. set mvs_corrupt_from_mb to the current - * mb_num if the frame is corrupt from this macroblock. */ - if (vp8dx_bool_error(&pbi->mbc[8]) && mb_num < - (int)pbi->mvs_corrupt_from_mb) - { - pbi->mvs_corrupt_from_mb = mb_num; - /* no need to continue since the partition is corrupt from - * here on. - */ - return; - } -#endif - - pbi->mb.mb_to_left_edge -= (16 << 3); - pbi->mb.mb_to_right_edge -= (16 << 3); - mi++; /* next macroblock */ - } - pbi->mb.mb_to_top_edge -= (16 << 3); - pbi->mb.mb_to_bottom_edge -= (16 << 3); - - mi++; /* skip left predictor each row */ - } -} diff --git a/thirdparty/libvpx/vp8/decoder/decodemv.h b/thirdparty/libvpx/vp8/decoder/decodemv.h deleted file mode 100644 index f33b07351d..0000000000 --- a/thirdparty/libvpx/vp8/decoder/decodemv.h +++ /dev/null @@ -1,26 +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 VP8_DECODER_DECODEMV_H_ -#define VP8_DECODER_DECODEMV_H_ - -#include "onyxd_int.h" - -#ifdef __cplusplus -extern "C" { -#endif - -void vp8_decode_mode_mvs(VP8D_COMP *); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP8_DECODER_DECODEMV_H_ diff --git a/thirdparty/libvpx/vp8/decoder/decoderthreading.h b/thirdparty/libvpx/vp8/decoder/decoderthreading.h deleted file mode 100644 index c563cf6e93..0000000000 --- a/thirdparty/libvpx/vp8/decoder/decoderthreading.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 VP8_DECODER_DECODERTHREADING_H_ -#define VP8_DECODER_DECODERTHREADING_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -#if CONFIG_MULTITHREAD -void vp8mt_decode_mb_rows(VP8D_COMP *pbi, MACROBLOCKD *xd); -void vp8_decoder_remove_threads(VP8D_COMP *pbi); -void vp8_decoder_create_threads(VP8D_COMP *pbi); -void vp8mt_alloc_temp_buffers(VP8D_COMP *pbi, int width, int prev_mb_rows); -void vp8mt_de_alloc_temp_buffers(VP8D_COMP *pbi, int mb_rows); -#endif - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP8_DECODER_DECODERTHREADING_H_ diff --git a/thirdparty/libvpx/vp8/decoder/detokenize.c b/thirdparty/libvpx/vp8/decoder/detokenize.c deleted file mode 100644 index fcc7533c50..0000000000 --- a/thirdparty/libvpx/vp8/decoder/detokenize.c +++ /dev/null @@ -1,245 +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 "vp8/common/blockd.h" -#include "onyxd_int.h" -#include "vpx_mem/vpx_mem.h" -#include "vpx_ports/mem.h" -#include "detokenize.h" - -void vp8_reset_mb_tokens_context(MACROBLOCKD *x) -{ - ENTROPY_CONTEXT *a_ctx = ((ENTROPY_CONTEXT *)x->above_context); - ENTROPY_CONTEXT *l_ctx = ((ENTROPY_CONTEXT *)x->left_context); - - memset(a_ctx, 0, sizeof(ENTROPY_CONTEXT_PLANES)-1); - memset(l_ctx, 0, sizeof(ENTROPY_CONTEXT_PLANES)-1); - - /* Clear entropy contexts for Y2 blocks */ - if (!x->mode_info_context->mbmi.is_4x4) - { - a_ctx[8] = l_ctx[8] = 0; - } -} - -/* - ------------------------------------------------------------------------------ - Residual decoding (Paragraph 13.2 / 13.3) -*/ -static const uint8_t kBands[16 + 1] = { - 0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, - 0 /* extra entry as sentinel */ -}; - -static const uint8_t kCat3[] = { 173, 148, 140, 0 }; -static const uint8_t kCat4[] = { 176, 155, 140, 135, 0 }; -static const uint8_t kCat5[] = { 180, 157, 141, 134, 130, 0 }; -static const uint8_t kCat6[] = - { 254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129, 0 }; -static const uint8_t* const kCat3456[] = { kCat3, kCat4, kCat5, kCat6 }; -static const uint8_t kZigzag[16] = { - 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 -}; - -#define VP8GetBit vp8dx_decode_bool -#define NUM_PROBAS 11 -#define NUM_CTX 3 - -/* for const-casting */ -typedef const uint8_t (*ProbaArray)[NUM_CTX][NUM_PROBAS]; - -static int GetSigned(BOOL_DECODER *br, int value_to_sign) -{ - int split = (br->range + 1) >> 1; - VP8_BD_VALUE bigsplit = (VP8_BD_VALUE)split << (VP8_BD_VALUE_SIZE - 8); - int v; - - if(br->count < 0) - vp8dx_bool_decoder_fill(br); - - if ( br->value < bigsplit ) - { - br->range = split; - v= value_to_sign; - } - else - { - br->range = br->range-split; - br->value = br->value-bigsplit; - v = -value_to_sign; - } - br->range +=br->range; - br->value +=br->value; - br->count--; - - return v; -} -/* - Returns the position of the last non-zero coeff plus one - (and 0 if there's no coeff at all) -*/ -static int GetCoeffs(BOOL_DECODER *br, ProbaArray prob, - int ctx, int n, int16_t* out) -{ - const uint8_t* p = prob[n][ctx]; - if (!VP8GetBit(br, p[0])) - { /* first EOB is more a 'CBP' bit. */ - return 0; - } - while (1) - { - ++n; - if (!VP8GetBit(br, p[1])) - { - p = prob[kBands[n]][0]; - } - else - { /* non zero coeff */ - int v, j; - if (!VP8GetBit(br, p[2])) - { - p = prob[kBands[n]][1]; - v = 1; - } - else - { - if (!VP8GetBit(br, p[3])) - { - if (!VP8GetBit(br, p[4])) - { - v = 2; - } - else - { - v = 3 + VP8GetBit(br, p[5]); - } - } - else - { - if (!VP8GetBit(br, p[6])) - { - if (!VP8GetBit(br, p[7])) - { - v = 5 + VP8GetBit(br, 159); - } else - { - v = 7 + 2 * VP8GetBit(br, 165); - v += VP8GetBit(br, 145); - } - } - else - { - const uint8_t* tab; - const int bit1 = VP8GetBit(br, p[8]); - const int bit0 = VP8GetBit(br, p[9 + bit1]); - const int cat = 2 * bit1 + bit0; - v = 0; - for (tab = kCat3456[cat]; *tab; ++tab) - { - v += v + VP8GetBit(br, *tab); - } - v += 3 + (8 << cat); - } - } - p = prob[kBands[n]][2]; - } - j = kZigzag[n - 1]; - - out[j] = GetSigned(br, v); - - if (n == 16 || !VP8GetBit(br, p[0])) - { /* EOB */ - return n; - } - } - if (n == 16) - { - return 16; - } - } -} - -int vp8_decode_mb_tokens(VP8D_COMP *dx, MACROBLOCKD *x) -{ - BOOL_DECODER *bc = x->current_bc; - const FRAME_CONTEXT * const fc = &dx->common.fc; - char *eobs = x->eobs; - - int i; - int nonzeros; - int eobtotal = 0; - - short *qcoeff_ptr; - ProbaArray coef_probs; - ENTROPY_CONTEXT *a_ctx = ((ENTROPY_CONTEXT *)x->above_context); - ENTROPY_CONTEXT *l_ctx = ((ENTROPY_CONTEXT *)x->left_context); - ENTROPY_CONTEXT *a; - ENTROPY_CONTEXT *l; - int skip_dc = 0; - - qcoeff_ptr = &x->qcoeff[0]; - - if (!x->mode_info_context->mbmi.is_4x4) - { - a = a_ctx + 8; - l = l_ctx + 8; - - coef_probs = fc->coef_probs [1]; - - nonzeros = GetCoeffs(bc, coef_probs, (*a + *l), 0, qcoeff_ptr + 24 * 16); - *a = *l = (nonzeros > 0); - - eobs[24] = nonzeros; - eobtotal += nonzeros - 16; - - coef_probs = fc->coef_probs [0]; - skip_dc = 1; - } - else - { - coef_probs = fc->coef_probs [3]; - skip_dc = 0; - } - - for (i = 0; i < 16; ++i) - { - a = a_ctx + (i&3); - l = l_ctx + ((i&0xc)>>2); - - nonzeros = GetCoeffs(bc, coef_probs, (*a + *l), skip_dc, qcoeff_ptr); - *a = *l = (nonzeros > 0); - - nonzeros += skip_dc; - eobs[i] = nonzeros; - eobtotal += nonzeros; - qcoeff_ptr += 16; - } - - coef_probs = fc->coef_probs [2]; - - a_ctx += 4; - l_ctx += 4; - for (i = 16; i < 24; ++i) - { - a = a_ctx + ((i > 19)<<1) + (i&1); - l = l_ctx + ((i > 19)<<1) + ((i&3)>1); - - nonzeros = GetCoeffs(bc, coef_probs, (*a + *l), 0, qcoeff_ptr); - *a = *l = (nonzeros > 0); - - eobs[i] = nonzeros; - eobtotal += nonzeros; - qcoeff_ptr += 16; - } - - return eobtotal; -} - diff --git a/thirdparty/libvpx/vp8/decoder/detokenize.h b/thirdparty/libvpx/vp8/decoder/detokenize.h deleted file mode 100644 index f0b125444f..0000000000 --- a/thirdparty/libvpx/vp8/decoder/detokenize.h +++ /dev/null @@ -1,27 +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 VP8_DECODER_DETOKENIZE_H_ -#define VP8_DECODER_DETOKENIZE_H_ - -#include "onyxd_int.h" - -#ifdef __cplusplus -extern "C" { -#endif - -void vp8_reset_mb_tokens_context(MACROBLOCKD *x); -int vp8_decode_mb_tokens(VP8D_COMP *, MACROBLOCKD *); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP8_DECODER_DETOKENIZE_H_ diff --git a/thirdparty/libvpx/vp8/decoder/onyxd_if.c b/thirdparty/libvpx/vp8/decoder/onyxd_if.c deleted file mode 100644 index 3468268a2a..0000000000 --- a/thirdparty/libvpx/vp8/decoder/onyxd_if.c +++ /dev/null @@ -1,521 +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 "vp8/common/onyxc_int.h" -#if CONFIG_POSTPROC -#include "vp8/common/postproc.h" -#endif -#include "vp8/common/onyxd.h" -#include "onyxd_int.h" -#include "vpx_mem/vpx_mem.h" -#include "vp8/common/alloccommon.h" -#include "vp8/common/loopfilter.h" -#include "vp8/common/swapyv12buffer.h" -#include "vp8/common/threading.h" -#include "decoderthreading.h" -#include <stdio.h> -#include <assert.h> - -#include "vp8/common/quant_common.h" -#include "vp8/common/reconintra.h" -#include "./vpx_dsp_rtcd.h" -#include "./vpx_scale_rtcd.h" -#include "vpx_scale/vpx_scale.h" -#include "vp8/common/systemdependent.h" -#include "vpx_ports/vpx_once.h" -#include "vpx_ports/vpx_timer.h" -#include "detokenize.h" -#if CONFIG_ERROR_CONCEALMENT -#include "error_concealment.h" -#endif -#if ARCH_ARM -#include "vpx_ports/arm.h" -#endif - -extern void vp8_init_loop_filter(VP8_COMMON *cm); -extern void vp8cx_init_de_quantizer(VP8D_COMP *pbi); -static int get_free_fb (VP8_COMMON *cm); -static void ref_cnt_fb (int *buf, int *idx, int new_idx); - -static void initialize_dec(void) { - static volatile int init_done = 0; - - if (!init_done) - { - vpx_dsp_rtcd(); - vp8_init_intra_predictors(); - init_done = 1; - } -} - -static void remove_decompressor(VP8D_COMP *pbi) -{ -#if CONFIG_ERROR_CONCEALMENT - vp8_de_alloc_overlap_lists(pbi); -#endif - vp8_remove_common(&pbi->common); - vpx_free(pbi); -} - -static struct VP8D_COMP * create_decompressor(VP8D_CONFIG *oxcf) -{ - VP8D_COMP *pbi = vpx_memalign(32, sizeof(VP8D_COMP)); - - if (!pbi) - return NULL; - - memset(pbi, 0, sizeof(VP8D_COMP)); - - if (setjmp(pbi->common.error.jmp)) - { - pbi->common.error.setjmp = 0; - remove_decompressor(pbi); - return 0; - } - - pbi->common.error.setjmp = 1; - - vp8_create_common(&pbi->common); - - pbi->common.current_video_frame = 0; - pbi->ready_for_new_data = 1; - - /* vp8cx_init_de_quantizer() is first called here. Add check in frame_init_dequantizer() to avoid - * unnecessary calling of vp8cx_init_de_quantizer() for every frame. - */ - vp8cx_init_de_quantizer(pbi); - - vp8_loop_filter_init(&pbi->common); - - pbi->common.error.setjmp = 0; - -#if CONFIG_ERROR_CONCEALMENT - pbi->ec_enabled = oxcf->error_concealment; - pbi->overlaps = NULL; -#else - (void)oxcf; - pbi->ec_enabled = 0; -#endif - /* Error concealment is activated after a key frame has been - * decoded without errors when error concealment is enabled. - */ - pbi->ec_active = 0; - - pbi->decoded_key_frame = 0; - - /* Independent partitions is activated when a frame updates the - * token probability table to have equal probabilities over the - * PREV_COEF context. - */ - pbi->independent_partitions = 0; - - vp8_setup_block_dptrs(&pbi->mb); - - once(initialize_dec); - - return pbi; -} - -vpx_codec_err_t vp8dx_get_reference(VP8D_COMP *pbi, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd) -{ - VP8_COMMON *cm = &pbi->common; - int ref_fb_idx; - - if (ref_frame_flag == VP8_LAST_FRAME) - ref_fb_idx = cm->lst_fb_idx; - else if (ref_frame_flag == VP8_GOLD_FRAME) - ref_fb_idx = cm->gld_fb_idx; - else if (ref_frame_flag == VP8_ALTR_FRAME) - ref_fb_idx = cm->alt_fb_idx; - else{ - vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, - "Invalid reference frame"); - return pbi->common.error.error_code; - } - - if(cm->yv12_fb[ref_fb_idx].y_height != sd->y_height || - cm->yv12_fb[ref_fb_idx].y_width != sd->y_width || - cm->yv12_fb[ref_fb_idx].uv_height != sd->uv_height || - cm->yv12_fb[ref_fb_idx].uv_width != sd->uv_width){ - vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, - "Incorrect buffer dimensions"); - } - else - vp8_yv12_copy_frame(&cm->yv12_fb[ref_fb_idx], sd); - - return pbi->common.error.error_code; -} - - -vpx_codec_err_t vp8dx_set_reference(VP8D_COMP *pbi, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd) -{ - VP8_COMMON *cm = &pbi->common; - int *ref_fb_ptr = NULL; - int free_fb; - - if (ref_frame_flag == VP8_LAST_FRAME) - ref_fb_ptr = &cm->lst_fb_idx; - else if (ref_frame_flag == VP8_GOLD_FRAME) - ref_fb_ptr = &cm->gld_fb_idx; - else if (ref_frame_flag == VP8_ALTR_FRAME) - ref_fb_ptr = &cm->alt_fb_idx; - else{ - vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, - "Invalid reference frame"); - return pbi->common.error.error_code; - } - - if(cm->yv12_fb[*ref_fb_ptr].y_height != sd->y_height || - cm->yv12_fb[*ref_fb_ptr].y_width != sd->y_width || - cm->yv12_fb[*ref_fb_ptr].uv_height != sd->uv_height || - cm->yv12_fb[*ref_fb_ptr].uv_width != sd->uv_width){ - vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR, - "Incorrect buffer dimensions"); - } - else{ - /* Find an empty frame buffer. */ - free_fb = get_free_fb(cm); - /* Decrease fb_idx_ref_cnt since it will be increased again in - * ref_cnt_fb() below. */ - cm->fb_idx_ref_cnt[free_fb]--; - - /* Manage the reference counters and copy image. */ - ref_cnt_fb (cm->fb_idx_ref_cnt, ref_fb_ptr, free_fb); - vp8_yv12_copy_frame(sd, &cm->yv12_fb[*ref_fb_ptr]); - } - - return pbi->common.error.error_code; -} - -static int get_free_fb (VP8_COMMON *cm) -{ - int i; - for (i = 0; i < NUM_YV12_BUFFERS; i++) - if (cm->fb_idx_ref_cnt[i] == 0) - break; - - assert(i < NUM_YV12_BUFFERS); - cm->fb_idx_ref_cnt[i] = 1; - return i; -} - -static void ref_cnt_fb (int *buf, int *idx, int new_idx) -{ - if (buf[*idx] > 0) - buf[*idx]--; - - *idx = new_idx; - - buf[new_idx]++; -} - -/* If any buffer copy / swapping is signalled it should be done here. */ -static int swap_frame_buffers (VP8_COMMON *cm) -{ - int err = 0; - - /* The alternate reference frame or golden frame can be updated - * using the new, last, or golden/alt ref frame. If it - * is updated using the newly decoded frame it is a refresh. - * An update using the last or golden/alt ref frame is a copy. - */ - if (cm->copy_buffer_to_arf) - { - int new_fb = 0; - - if (cm->copy_buffer_to_arf == 1) - new_fb = cm->lst_fb_idx; - else if (cm->copy_buffer_to_arf == 2) - new_fb = cm->gld_fb_idx; - else - err = -1; - - ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, new_fb); - } - - if (cm->copy_buffer_to_gf) - { - int new_fb = 0; - - if (cm->copy_buffer_to_gf == 1) - new_fb = cm->lst_fb_idx; - else if (cm->copy_buffer_to_gf == 2) - new_fb = cm->alt_fb_idx; - else - err = -1; - - ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, new_fb); - } - - if (cm->refresh_golden_frame) - ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, cm->new_fb_idx); - - if (cm->refresh_alt_ref_frame) - ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, cm->new_fb_idx); - - if (cm->refresh_last_frame) - { - ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->lst_fb_idx, cm->new_fb_idx); - - cm->frame_to_show = &cm->yv12_fb[cm->lst_fb_idx]; - } - else - cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx]; - - cm->fb_idx_ref_cnt[cm->new_fb_idx]--; - - return err; -} - -static int check_fragments_for_errors(VP8D_COMP *pbi) -{ - if (!pbi->ec_active && - pbi->fragments.count <= 1 && pbi->fragments.sizes[0] == 0) - { - VP8_COMMON *cm = &pbi->common; - - /* If error concealment is disabled we won't signal missing frames - * to the decoder. - */ - if (cm->fb_idx_ref_cnt[cm->lst_fb_idx] > 1) - { - /* The last reference shares buffer with another reference - * buffer. Move it to its own buffer before setting it as - * corrupt, otherwise we will make multiple buffers corrupt. - */ - const int prev_idx = cm->lst_fb_idx; - cm->fb_idx_ref_cnt[prev_idx]--; - cm->lst_fb_idx = get_free_fb(cm); - vp8_yv12_copy_frame(&cm->yv12_fb[prev_idx], - &cm->yv12_fb[cm->lst_fb_idx]); - } - /* 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. - */ - cm->yv12_fb[cm->lst_fb_idx].corrupted = 1; - - /* Signal that we have no frame to show. */ - cm->show_frame = 0; - - /* Nothing more to do. */ - return 0; - } - - return 1; -} - -int vp8dx_receive_compressed_data(VP8D_COMP *pbi, size_t size, - const uint8_t *source, - int64_t time_stamp) -{ - VP8_COMMON *cm = &pbi->common; - int retcode = -1; - (void)size; - (void)source; - - pbi->common.error.error_code = VPX_CODEC_OK; - - retcode = check_fragments_for_errors(pbi); - if(retcode <= 0) - return retcode; - - cm->new_fb_idx = get_free_fb (cm); - - /* setup reference frames for vp8_decode_frame */ - pbi->dec_fb_ref[INTRA_FRAME] = &cm->yv12_fb[cm->new_fb_idx]; - pbi->dec_fb_ref[LAST_FRAME] = &cm->yv12_fb[cm->lst_fb_idx]; - pbi->dec_fb_ref[GOLDEN_FRAME] = &cm->yv12_fb[cm->gld_fb_idx]; - pbi->dec_fb_ref[ALTREF_FRAME] = &cm->yv12_fb[cm->alt_fb_idx]; - - if (setjmp(pbi->common.error.jmp)) - { - /* 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. - */ - cm->yv12_fb[cm->lst_fb_idx].corrupted = 1; - - if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0) - cm->fb_idx_ref_cnt[cm->new_fb_idx]--; - - goto decode_exit; - } - - pbi->common.error.setjmp = 1; - - retcode = vp8_decode_frame(pbi); - - if (retcode < 0) - { - if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0) - cm->fb_idx_ref_cnt[cm->new_fb_idx]--; - - pbi->common.error.error_code = VPX_CODEC_ERROR; - goto decode_exit; - } - - if (swap_frame_buffers (cm)) - { - pbi->common.error.error_code = VPX_CODEC_ERROR; - goto decode_exit; - } - - vp8_clear_system_state(); - - if (cm->show_frame) - { - cm->current_video_frame++; - cm->show_frame_mi = cm->mi; - } - - #if CONFIG_ERROR_CONCEALMENT - /* swap the mode infos to storage for future error concealment */ - if (pbi->ec_enabled && pbi->common.prev_mi) - { - MODE_INFO* tmp = pbi->common.prev_mi; - int row, col; - pbi->common.prev_mi = pbi->common.mi; - pbi->common.mi = tmp; - - /* Propagate the segment_ids to the next frame */ - for (row = 0; row < pbi->common.mb_rows; ++row) - { - for (col = 0; col < pbi->common.mb_cols; ++col) - { - const int i = row*pbi->common.mode_info_stride + col; - pbi->common.mi[i].mbmi.segment_id = - pbi->common.prev_mi[i].mbmi.segment_id; - } - } - } -#endif - - pbi->ready_for_new_data = 0; - pbi->last_time_stamp = time_stamp; - -decode_exit: - pbi->common.error.setjmp = 0; - vp8_clear_system_state(); - return retcode; -} -int vp8dx_get_raw_frame(VP8D_COMP *pbi, YV12_BUFFER_CONFIG *sd, int64_t *time_stamp, int64_t *time_end_stamp, vp8_ppflags_t *flags) -{ - int ret = -1; - - if (pbi->ready_for_new_data == 1) - return ret; - - /* ie no raw frame to show!!! */ - if (pbi->common.show_frame == 0) - return ret; - - pbi->ready_for_new_data = 1; - *time_stamp = pbi->last_time_stamp; - *time_end_stamp = 0; - -#if CONFIG_POSTPROC - ret = vp8_post_proc_frame(&pbi->common, sd, flags); -#else - (void)flags; - - if (pbi->common.frame_to_show) - { - *sd = *pbi->common.frame_to_show; - sd->y_width = pbi->common.Width; - sd->y_height = pbi->common.Height; - sd->uv_height = pbi->common.Height / 2; - ret = 0; - } - else - { - ret = -1; - } - -#endif /*!CONFIG_POSTPROC*/ - vp8_clear_system_state(); - return ret; -} - - -/* This function as written isn't decoder specific, but the encoder has - * much faster ways of computing this, so it's ok for it to live in a - * decode specific file. - */ -int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame ) -{ - const MODE_INFO *mi = oci->mi; - int mb_row, mb_col; - - for (mb_row = 0; mb_row < oci->mb_rows; mb_row++) - { - for (mb_col = 0; mb_col < oci->mb_cols; mb_col++,mi++) - { - if( mi->mbmi.ref_frame == ref_frame) - return 1; - } - mi++; - } - return 0; - -} - -int vp8_create_decoder_instances(struct frame_buffers *fb, VP8D_CONFIG *oxcf) -{ - if(!fb->use_frame_threads) - { - /* decoder instance for single thread mode */ - fb->pbi[0] = create_decompressor(oxcf); - if(!fb->pbi[0]) - return VPX_CODEC_ERROR; - -#if CONFIG_MULTITHREAD - /* enable row-based threading only when use_frame_threads - * is disabled */ - fb->pbi[0]->max_threads = oxcf->max_threads; - vp8_decoder_create_threads(fb->pbi[0]); -#endif - } - else - { - /* TODO : create frame threads and decoder instances for each - * thread here */ - } - - return VPX_CODEC_OK; -} - -int vp8_remove_decoder_instances(struct frame_buffers *fb) -{ - if(!fb->use_frame_threads) - { - VP8D_COMP *pbi = fb->pbi[0]; - - if (!pbi) - return VPX_CODEC_ERROR; -#if CONFIG_MULTITHREAD - if (pbi->b_multithreaded_rd) - vp8mt_de_alloc_temp_buffers(pbi, pbi->common.mb_rows); - vp8_decoder_remove_threads(pbi); -#endif - - /* decoder instance for single thread mode */ - remove_decompressor(pbi); - } - else - { - /* TODO : remove frame threads and decoder instances for each - * thread here */ - } - - return VPX_CODEC_OK; -} diff --git a/thirdparty/libvpx/vp8/decoder/onyxd_int.h b/thirdparty/libvpx/vp8/decoder/onyxd_int.h deleted file mode 100644 index 313fe01c07..0000000000 --- a/thirdparty/libvpx/vp8/decoder/onyxd_int.h +++ /dev/null @@ -1,161 +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 VP8_DECODER_ONYXD_INT_H_ -#define VP8_DECODER_ONYXD_INT_H_ - -#include "vpx_config.h" -#include "vp8/common/onyxd.h" -#include "treereader.h" -#include "vp8/common/onyxc_int.h" -#include "vp8/common/threading.h" - -#if CONFIG_ERROR_CONCEALMENT -#include "ec_types.h" -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct -{ - int ithread; - void *ptr1; - void *ptr2; -} DECODETHREAD_DATA; - -typedef struct -{ - MACROBLOCKD mbd; -} MB_ROW_DEC; - - -typedef struct -{ - int enabled; - unsigned int count; - const unsigned char *ptrs[MAX_PARTITIONS]; - unsigned int sizes[MAX_PARTITIONS]; -} FRAGMENT_DATA; - -#define MAX_FB_MT_DEC 32 - -struct frame_buffers -{ - /* - * this struct will be populated with frame buffer management - * info in future commits. */ - - /* enable/disable frame-based threading */ - int use_frame_threads; - - /* decoder instances */ - struct VP8D_COMP *pbi[MAX_FB_MT_DEC]; - -}; - -typedef struct VP8D_COMP -{ - DECLARE_ALIGNED(16, MACROBLOCKD, mb); - - YV12_BUFFER_CONFIG *dec_fb_ref[NUM_YV12_BUFFERS]; - - DECLARE_ALIGNED(16, VP8_COMMON, common); - - /* the last partition will be used for the modes/mvs */ - vp8_reader mbc[MAX_PARTITIONS]; - - VP8D_CONFIG oxcf; - - FRAGMENT_DATA fragments; - -#if CONFIG_MULTITHREAD - /* variable for threading */ - - int b_multithreaded_rd; - int max_threads; - int current_mb_col_main; - unsigned int decoding_thread_count; - int allocated_decoding_thread_count; - - int mt_baseline_filter_level[MAX_MB_SEGMENTS]; - int sync_range; - int *mt_current_mb_col; /* Each row remembers its already decoded column. */ - pthread_mutex_t *pmutex; - pthread_mutex_t mt_mutex; /* mutex for b_multithreaded_rd */ - - unsigned char **mt_yabove_row; /* mb_rows x width */ - unsigned char **mt_uabove_row; - unsigned char **mt_vabove_row; - unsigned char **mt_yleft_col; /* mb_rows x 16 */ - unsigned char **mt_uleft_col; /* mb_rows x 8 */ - unsigned char **mt_vleft_col; /* mb_rows x 8 */ - - MB_ROW_DEC *mb_row_di; - DECODETHREAD_DATA *de_thread_data; - - pthread_t *h_decoding_thread; - sem_t *h_event_start_decoding; - sem_t h_event_end_decoding; - /* end of threading data */ -#endif - - int64_t last_time_stamp; - int ready_for_new_data; - - vp8_prob prob_intra; - vp8_prob prob_last; - vp8_prob prob_gf; - vp8_prob prob_skip_false; - -#if CONFIG_ERROR_CONCEALMENT - MB_OVERLAP *overlaps; - /* the mb num from which modes and mvs (first partition) are corrupt */ - unsigned int mvs_corrupt_from_mb; -#endif - int ec_enabled; - int ec_active; - int decoded_key_frame; - int independent_partitions; - int frame_corrupt_residual; - - vpx_decrypt_cb decrypt_cb; - void *decrypt_state; -} VP8D_COMP; - -int vp8_decode_frame(VP8D_COMP *cpi); - -int vp8_create_decoder_instances(struct frame_buffers *fb, VP8D_CONFIG *oxcf); -int vp8_remove_decoder_instances(struct frame_buffers *fb); - -#if CONFIG_DEBUG -#define CHECK_MEM_ERROR(lval,expr) do {\ - lval = (expr); \ - if(!lval) \ - vpx_internal_error(&pbi->common.error, VPX_CODEC_MEM_ERROR,\ - "Failed to allocate "#lval" at %s:%d", \ - __FILE__,__LINE__);\ - } while(0) -#else -#define CHECK_MEM_ERROR(lval,expr) do {\ - lval = (expr); \ - if(!lval) \ - vpx_internal_error(&pbi->common.error, VPX_CODEC_MEM_ERROR,\ - "Failed to allocate "#lval);\ - } while(0) -#endif - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP8_DECODER_ONYXD_INT_H_ diff --git a/thirdparty/libvpx/vp8/decoder/threading.c b/thirdparty/libvpx/vp8/decoder/threading.c deleted file mode 100644 index 3c1b8387ec..0000000000 --- a/thirdparty/libvpx/vp8/decoder/threading.c +++ /dev/null @@ -1,928 +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_config.h" -#include "vp8_rtcd.h" -#if !defined(WIN32) && CONFIG_OS_SUPPORT == 1 -# include <unistd.h> -#endif -#include "onyxd_int.h" -#include "vpx_mem/vpx_mem.h" -#include "vp8/common/threading.h" - -#include "vp8/common/loopfilter.h" -#include "vp8/common/extend.h" -#include "vpx_ports/vpx_timer.h" -#include "detokenize.h" -#include "vp8/common/reconintra4x4.h" -#include "vp8/common/reconinter.h" -#include "vp8/common/reconintra.h" -#include "vp8/common/setupintrarecon.h" -#if CONFIG_ERROR_CONCEALMENT -#include "error_concealment.h" -#endif - -#define CALLOC_ARRAY(p, n) CHECK_MEM_ERROR((p), vpx_calloc(sizeof(*(p)), (n))) -#define CALLOC_ARRAY_ALIGNED(p, n, algn) do { \ - CHECK_MEM_ERROR((p), vpx_memalign((algn), sizeof(*(p)) * (n))); \ - memset((p), 0, (n) * sizeof(*(p))); \ -} while (0) - - -void vp8_mb_init_dequantizer(VP8D_COMP *pbi, MACROBLOCKD *xd); - -static void setup_decoding_thread_data(VP8D_COMP *pbi, MACROBLOCKD *xd, MB_ROW_DEC *mbrd, int count) -{ - VP8_COMMON *const pc = & pbi->common; - int i; - - for (i = 0; i < count; i++) - { - MACROBLOCKD *mbd = &mbrd[i].mbd; - mbd->subpixel_predict = xd->subpixel_predict; - mbd->subpixel_predict8x4 = xd->subpixel_predict8x4; - mbd->subpixel_predict8x8 = xd->subpixel_predict8x8; - mbd->subpixel_predict16x16 = xd->subpixel_predict16x16; - - mbd->frame_type = pc->frame_type; - mbd->pre = xd->pre; - mbd->dst = xd->dst; - - mbd->segmentation_enabled = xd->segmentation_enabled; - mbd->mb_segement_abs_delta = xd->mb_segement_abs_delta; - memcpy(mbd->segment_feature_data, xd->segment_feature_data, sizeof(xd->segment_feature_data)); - - /*signed char ref_lf_deltas[MAX_REF_LF_DELTAS];*/ - memcpy(mbd->ref_lf_deltas, xd->ref_lf_deltas, sizeof(xd->ref_lf_deltas)); - /*signed char mode_lf_deltas[MAX_MODE_LF_DELTAS];*/ - memcpy(mbd->mode_lf_deltas, xd->mode_lf_deltas, sizeof(xd->mode_lf_deltas)); - /*unsigned char mode_ref_lf_delta_enabled; - unsigned char mode_ref_lf_delta_update;*/ - mbd->mode_ref_lf_delta_enabled = xd->mode_ref_lf_delta_enabled; - mbd->mode_ref_lf_delta_update = xd->mode_ref_lf_delta_update; - - mbd->current_bc = &pbi->mbc[0]; - - memcpy(mbd->dequant_y1_dc, xd->dequant_y1_dc, sizeof(xd->dequant_y1_dc)); - memcpy(mbd->dequant_y1, xd->dequant_y1, sizeof(xd->dequant_y1)); - memcpy(mbd->dequant_y2, xd->dequant_y2, sizeof(xd->dequant_y2)); - memcpy(mbd->dequant_uv, xd->dequant_uv, sizeof(xd->dequant_uv)); - - mbd->fullpixel_mask = 0xffffffff; - - if (pc->full_pixel) - mbd->fullpixel_mask = 0xfffffff8; - - } - - for (i = 0; i < pc->mb_rows; i++) - pbi->mt_current_mb_col[i] = -1; -} - -static void mt_decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, - unsigned int mb_idx) -{ - MB_PREDICTION_MODE mode; - int i; -#if CONFIG_ERROR_CONCEALMENT - int corruption_detected = 0; -#else - (void)mb_idx; -#endif - - if (xd->mode_info_context->mbmi.mb_skip_coeff) - { - vp8_reset_mb_tokens_context(xd); - } - else if (!vp8dx_bool_error(xd->current_bc)) - { - int eobtotal; - eobtotal = vp8_decode_mb_tokens(pbi, xd); - - /* Special case: Force the loopfilter to skip when eobtotal is zero */ - xd->mode_info_context->mbmi.mb_skip_coeff = (eobtotal==0); - } - - mode = xd->mode_info_context->mbmi.mode; - - if (xd->segmentation_enabled) - vp8_mb_init_dequantizer(pbi, xd); - - -#if CONFIG_ERROR_CONCEALMENT - - if(pbi->ec_active) - { - int throw_residual; - /* When we have independent partitions we can apply residual even - * though other partitions within the frame are corrupt. - */ - throw_residual = (!pbi->independent_partitions && - pbi->frame_corrupt_residual); - throw_residual = (throw_residual || vp8dx_bool_error(xd->current_bc)); - - if ((mb_idx >= pbi->mvs_corrupt_from_mb || throw_residual)) - { - /* MB with corrupt residuals or corrupt mode/motion vectors. - * Better to use the predictor as reconstruction. - */ - pbi->frame_corrupt_residual = 1; - memset(xd->qcoeff, 0, sizeof(xd->qcoeff)); - - corruption_detected = 1; - - /* force idct to be skipped for B_PRED and use the - * prediction only for reconstruction - * */ - memset(xd->eobs, 0, 25); - } - } -#endif - - /* do prediction */ - if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) - { - vp8_build_intra_predictors_mbuv_s(xd, - xd->recon_above[1], - xd->recon_above[2], - xd->recon_left[1], - xd->recon_left[2], - xd->recon_left_stride[1], - xd->dst.u_buffer, xd->dst.v_buffer, - xd->dst.uv_stride); - - if (mode != B_PRED) - { - vp8_build_intra_predictors_mby_s(xd, - xd->recon_above[0], - xd->recon_left[0], - xd->recon_left_stride[0], - xd->dst.y_buffer, - xd->dst.y_stride); - } - else - { - short *DQC = xd->dequant_y1; - int dst_stride = xd->dst.y_stride; - - /* clear out residual eob info */ - if(xd->mode_info_context->mbmi.mb_skip_coeff) - memset(xd->eobs, 0, 25); - - intra_prediction_down_copy(xd, xd->recon_above[0] + 16); - - for (i = 0; i < 16; i++) - { - BLOCKD *b = &xd->block[i]; - unsigned char *dst = xd->dst.y_buffer + b->offset; - B_PREDICTION_MODE b_mode = - xd->mode_info_context->bmi[i].as_mode; - unsigned char *Above; - unsigned char *yleft; - int left_stride; - unsigned char top_left; - - /*Caution: For some b_mode, it needs 8 pixels (4 above + 4 above-right).*/ - if (i < 4 && pbi->common.filter_level) - Above = xd->recon_above[0] + b->offset; - else - Above = dst - dst_stride; - - if (i%4==0 && pbi->common.filter_level) - { - yleft = xd->recon_left[0] + i; - left_stride = 1; - } - else - { - yleft = dst - 1; - left_stride = dst_stride; - } - - if ((i==4 || i==8 || i==12) && pbi->common.filter_level) - top_left = *(xd->recon_left[0] + i - 1); - else - top_left = Above[-1]; - - vp8_intra4x4_predict(Above, yleft, left_stride, - b_mode, dst, dst_stride, top_left); - - if (xd->eobs[i] ) - { - if (xd->eobs[i] > 1) - { - vp8_dequant_idct_add(b->qcoeff, DQC, dst, dst_stride); - } - else - { - vp8_dc_only_idct_add(b->qcoeff[0] * DQC[0], - dst, dst_stride, dst, dst_stride); - memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0])); - } - } - } - } - } - else - { - vp8_build_inter_predictors_mb(xd); - } - - -#if CONFIG_ERROR_CONCEALMENT - if (corruption_detected) - { - return; - } -#endif - - if(!xd->mode_info_context->mbmi.mb_skip_coeff) - { - /* dequantization and idct */ - if (mode != B_PRED) - { - short *DQC = xd->dequant_y1; - - if (mode != SPLITMV) - { - BLOCKD *b = &xd->block[24]; - - /* do 2nd order transform on the dc block */ - if (xd->eobs[24] > 1) - { - vp8_dequantize_b(b, xd->dequant_y2); - - vp8_short_inv_walsh4x4(&b->dqcoeff[0], - xd->qcoeff); - memset(b->qcoeff, 0, 16 * sizeof(b->qcoeff[0])); - } - else - { - b->dqcoeff[0] = b->qcoeff[0] * xd->dequant_y2[0]; - vp8_short_inv_walsh4x4_1(&b->dqcoeff[0], - xd->qcoeff); - memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0])); - } - - /* override the dc dequant constant in order to preserve the - * dc components - */ - DQC = xd->dequant_y1_dc; - } - - vp8_dequant_idct_add_y_block - (xd->qcoeff, DQC, - xd->dst.y_buffer, - xd->dst.y_stride, xd->eobs); - } - - vp8_dequant_idct_add_uv_block - (xd->qcoeff+16*16, xd->dequant_uv, - xd->dst.u_buffer, xd->dst.v_buffer, - xd->dst.uv_stride, xd->eobs+16); - } -} - -static void mt_decode_mb_rows(VP8D_COMP *pbi, MACROBLOCKD *xd, int start_mb_row) -{ - const int *last_row_current_mb_col; - int *current_mb_col; - int mb_row; - VP8_COMMON *pc = &pbi->common; - const int nsync = pbi->sync_range; - const int first_row_no_sync_above = pc->mb_cols + nsync; - int num_part = 1 << pbi->common.multi_token_partition; - int last_mb_row = start_mb_row; - - YV12_BUFFER_CONFIG *yv12_fb_new = pbi->dec_fb_ref[INTRA_FRAME]; - YV12_BUFFER_CONFIG *yv12_fb_lst = pbi->dec_fb_ref[LAST_FRAME]; - - int recon_y_stride = yv12_fb_new->y_stride; - int recon_uv_stride = yv12_fb_new->uv_stride; - - unsigned char *ref_buffer[MAX_REF_FRAMES][3]; - unsigned char *dst_buffer[3]; - int i; - int ref_fb_corrupted[MAX_REF_FRAMES]; - - ref_fb_corrupted[INTRA_FRAME] = 0; - - for(i = 1; i < MAX_REF_FRAMES; i++) - { - YV12_BUFFER_CONFIG *this_fb = pbi->dec_fb_ref[i]; - - ref_buffer[i][0] = this_fb->y_buffer; - ref_buffer[i][1] = this_fb->u_buffer; - ref_buffer[i][2] = this_fb->v_buffer; - - ref_fb_corrupted[i] = this_fb->corrupted; - } - - dst_buffer[0] = yv12_fb_new->y_buffer; - dst_buffer[1] = yv12_fb_new->u_buffer; - dst_buffer[2] = yv12_fb_new->v_buffer; - - xd->up_available = (start_mb_row != 0); - - xd->mode_info_context = pc->mi + pc->mode_info_stride * start_mb_row; - xd->mode_info_stride = pc->mode_info_stride; - - for (mb_row = start_mb_row; mb_row < pc->mb_rows; mb_row += (pbi->decoding_thread_count + 1)) - { - int recon_yoffset, recon_uvoffset; - int mb_col; - int filter_level; - loop_filter_info_n *lfi_n = &pc->lf_info; - - /* save last row processed by this thread */ - last_mb_row = mb_row; - /* select bool coder for current partition */ - xd->current_bc = &pbi->mbc[mb_row%num_part]; - - if (mb_row > 0) - last_row_current_mb_col = &pbi->mt_current_mb_col[mb_row -1]; - else - last_row_current_mb_col = &first_row_no_sync_above; - - current_mb_col = &pbi->mt_current_mb_col[mb_row]; - - recon_yoffset = mb_row * recon_y_stride * 16; - recon_uvoffset = mb_row * recon_uv_stride * 8; - - /* reset contexts */ - xd->above_context = pc->above_context; - memset(xd->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES)); - - xd->left_available = 0; - - xd->mb_to_top_edge = -((mb_row * 16)) << 3; - xd->mb_to_bottom_edge = ((pc->mb_rows - 1 - mb_row) * 16) << 3; - - if (pbi->common.filter_level) - { - xd->recon_above[0] = pbi->mt_yabove_row[mb_row] + 0*16 +32; - xd->recon_above[1] = pbi->mt_uabove_row[mb_row] + 0*8 +16; - xd->recon_above[2] = pbi->mt_vabove_row[mb_row] + 0*8 +16; - - xd->recon_left[0] = pbi->mt_yleft_col[mb_row]; - xd->recon_left[1] = pbi->mt_uleft_col[mb_row]; - xd->recon_left[2] = pbi->mt_vleft_col[mb_row]; - - /* TODO: move to outside row loop */ - xd->recon_left_stride[0] = 1; - xd->recon_left_stride[1] = 1; - } - else - { - xd->recon_above[0] = dst_buffer[0] + recon_yoffset; - xd->recon_above[1] = dst_buffer[1] + recon_uvoffset; - xd->recon_above[2] = dst_buffer[2] + recon_uvoffset; - - xd->recon_left[0] = xd->recon_above[0] - 1; - xd->recon_left[1] = xd->recon_above[1] - 1; - xd->recon_left[2] = xd->recon_above[2] - 1; - - xd->recon_above[0] -= xd->dst.y_stride; - xd->recon_above[1] -= xd->dst.uv_stride; - xd->recon_above[2] -= xd->dst.uv_stride; - - /* TODO: move to outside row loop */ - xd->recon_left_stride[0] = xd->dst.y_stride; - xd->recon_left_stride[1] = xd->dst.uv_stride; - - setup_intra_recon_left(xd->recon_left[0], xd->recon_left[1], - xd->recon_left[2], xd->dst.y_stride, - xd->dst.uv_stride); - } - - for (mb_col = 0; mb_col < pc->mb_cols; mb_col++) { - if (((mb_col - 1) % nsync) == 0) { - pthread_mutex_t *mutex = &pbi->pmutex[mb_row]; - protected_write(mutex, current_mb_col, mb_col - 1); - } - - if (mb_row && !(mb_col & (nsync - 1))) { - pthread_mutex_t *mutex = &pbi->pmutex[mb_row-1]; - sync_read(mutex, mb_col, last_row_current_mb_col, nsync); - } - - /* 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. - */ - xd->mb_to_left_edge = -((mb_col * 16) << 3); - xd->mb_to_right_edge = ((pc->mb_cols - 1 - mb_col) * 16) << 3; - - #if CONFIG_ERROR_CONCEALMENT - { - int corrupt_residual = - (!pbi->independent_partitions && - pbi->frame_corrupt_residual) || - vp8dx_bool_error(xd->current_bc); - if (pbi->ec_active && - (xd->mode_info_context->mbmi.ref_frame == - INTRA_FRAME) && - corrupt_residual) - { - /* We have an intra block with corrupt - * coefficients, better to conceal with an inter - * block. - * Interpolate MVs from neighboring MBs - * - * Note that for the first mb with corrupt - * residual in a frame, we might not discover - * that before decoding the residual. That - * happens after this check, and therefore no - * inter concealment will be done. - */ - vp8_interpolate_motion(xd, - mb_row, mb_col, - pc->mb_rows, pc->mb_cols); - } - } - #endif - - - xd->dst.y_buffer = dst_buffer[0] + recon_yoffset; - xd->dst.u_buffer = dst_buffer[1] + recon_uvoffset; - xd->dst.v_buffer = dst_buffer[2] + recon_uvoffset; - - xd->pre.y_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][0] + recon_yoffset; - xd->pre.u_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][1] + recon_uvoffset; - xd->pre.v_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][2] + recon_uvoffset; - - /* propagate errors from reference frames */ - xd->corrupted |= ref_fb_corrupted[xd->mode_info_context->mbmi.ref_frame]; - - mt_decode_macroblock(pbi, xd, 0); - - xd->left_available = 1; - - /* check if the boolean decoder has suffered an error */ - xd->corrupted |= vp8dx_bool_error(xd->current_bc); - - xd->recon_above[0] += 16; - xd->recon_above[1] += 8; - xd->recon_above[2] += 8; - - if (!pbi->common.filter_level) - { - xd->recon_left[0] += 16; - xd->recon_left[1] += 8; - xd->recon_left[2] += 8; - } - - if (pbi->common.filter_level) - { - int skip_lf = (xd->mode_info_context->mbmi.mode != B_PRED && - xd->mode_info_context->mbmi.mode != SPLITMV && - xd->mode_info_context->mbmi.mb_skip_coeff); - - const int mode_index = lfi_n->mode_lf_lut[xd->mode_info_context->mbmi.mode]; - const int seg = xd->mode_info_context->mbmi.segment_id; - const int ref_frame = xd->mode_info_context->mbmi.ref_frame; - - filter_level = lfi_n->lvl[seg][ref_frame][mode_index]; - - if( mb_row != pc->mb_rows-1 ) - { - /* Save decoded MB last row data for next-row decoding */ - memcpy((pbi->mt_yabove_row[mb_row + 1] + 32 + mb_col*16), (xd->dst.y_buffer + 15 * recon_y_stride), 16); - memcpy((pbi->mt_uabove_row[mb_row + 1] + 16 + mb_col*8), (xd->dst.u_buffer + 7 * recon_uv_stride), 8); - memcpy((pbi->mt_vabove_row[mb_row + 1] + 16 + mb_col*8), (xd->dst.v_buffer + 7 * recon_uv_stride), 8); - } - - /* save left_col for next MB decoding */ - if(mb_col != pc->mb_cols-1) - { - MODE_INFO *next = xd->mode_info_context +1; - - if (next->mbmi.ref_frame == INTRA_FRAME) - { - for (i = 0; i < 16; i++) - pbi->mt_yleft_col[mb_row][i] = xd->dst.y_buffer [i* recon_y_stride + 15]; - for (i = 0; i < 8; i++) - { - pbi->mt_uleft_col[mb_row][i] = xd->dst.u_buffer [i* recon_uv_stride + 7]; - pbi->mt_vleft_col[mb_row][i] = xd->dst.v_buffer [i* recon_uv_stride + 7]; - } - } - } - - /* loopfilter on this macroblock. */ - if (filter_level) - { - if(pc->filter_type == NORMAL_LOOPFILTER) - { - loop_filter_info lfi; - FRAME_TYPE frame_type = pc->frame_type; - const int hev_index = lfi_n->hev_thr_lut[frame_type][filter_level]; - lfi.mblim = lfi_n->mblim[filter_level]; - lfi.blim = lfi_n->blim[filter_level]; - lfi.lim = lfi_n->lim[filter_level]; - lfi.hev_thr = lfi_n->hev_thr[hev_index]; - - if (mb_col > 0) - vp8_loop_filter_mbv - (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); - - if (!skip_lf) - vp8_loop_filter_bv - (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); - - /* don't apply across umv border */ - if (mb_row > 0) - vp8_loop_filter_mbh - (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); - - if (!skip_lf) - vp8_loop_filter_bh - (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); - } - else - { - if (mb_col > 0) - vp8_loop_filter_simple_mbv - (xd->dst.y_buffer, recon_y_stride, lfi_n->mblim[filter_level]); - - if (!skip_lf) - vp8_loop_filter_simple_bv - (xd->dst.y_buffer, recon_y_stride, lfi_n->blim[filter_level]); - - /* don't apply across umv border */ - if (mb_row > 0) - vp8_loop_filter_simple_mbh - (xd->dst.y_buffer, recon_y_stride, lfi_n->mblim[filter_level]); - - if (!skip_lf) - vp8_loop_filter_simple_bh - (xd->dst.y_buffer, recon_y_stride, lfi_n->blim[filter_level]); - } - } - - } - - recon_yoffset += 16; - recon_uvoffset += 8; - - ++xd->mode_info_context; /* next mb */ - - xd->above_context++; - } - - /* adjust to the next row of mbs */ - if (pbi->common.filter_level) - { - if(mb_row != pc->mb_rows-1) - { - int lasty = yv12_fb_lst->y_width + VP8BORDERINPIXELS; - int lastuv = (yv12_fb_lst->y_width>>1) + (VP8BORDERINPIXELS>>1); - - for (i = 0; i < 4; i++) - { - pbi->mt_yabove_row[mb_row +1][lasty + i] = pbi->mt_yabove_row[mb_row +1][lasty -1]; - pbi->mt_uabove_row[mb_row +1][lastuv + i] = pbi->mt_uabove_row[mb_row +1][lastuv -1]; - pbi->mt_vabove_row[mb_row +1][lastuv + i] = pbi->mt_vabove_row[mb_row +1][lastuv -1]; - } - } - } - else - vp8_extend_mb_row(yv12_fb_new, xd->dst.y_buffer + 16, - xd->dst.u_buffer + 8, xd->dst.v_buffer + 8); - - /* last MB of row is ready just after extension is done */ - protected_write(&pbi->pmutex[mb_row], current_mb_col, mb_col + nsync); - - ++xd->mode_info_context; /* skip prediction column */ - xd->up_available = 1; - - /* since we have multithread */ - xd->mode_info_context += xd->mode_info_stride * pbi->decoding_thread_count; - } - - /* signal end of frame decoding if this thread processed the last mb_row */ - if (last_mb_row == (pc->mb_rows - 1)) - sem_post(&pbi->h_event_end_decoding); - -} - - -static THREAD_FUNCTION thread_decoding_proc(void *p_data) -{ - int ithread = ((DECODETHREAD_DATA *)p_data)->ithread; - VP8D_COMP *pbi = (VP8D_COMP *)(((DECODETHREAD_DATA *)p_data)->ptr1); - MB_ROW_DEC *mbrd = (MB_ROW_DEC *)(((DECODETHREAD_DATA *)p_data)->ptr2); - ENTROPY_CONTEXT_PLANES mb_row_left_context; - - while (1) - { - if (protected_read(&pbi->mt_mutex, &pbi->b_multithreaded_rd) == 0) - break; - - if (sem_wait(&pbi->h_event_start_decoding[ithread]) == 0) - { - if (protected_read(&pbi->mt_mutex, &pbi->b_multithreaded_rd) == 0) - break; - else - { - MACROBLOCKD *xd = &mbrd->mbd; - xd->left_context = &mb_row_left_context; - - mt_decode_mb_rows(pbi, xd, ithread+1); - } - } - } - - return 0 ; -} - - -void vp8_decoder_create_threads(VP8D_COMP *pbi) -{ - int core_count = 0; - unsigned int ithread; - - pbi->b_multithreaded_rd = 0; - pbi->allocated_decoding_thread_count = 0; - pthread_mutex_init(&pbi->mt_mutex, NULL); - - /* limit decoding threads to the max number of token partitions */ - core_count = (pbi->max_threads > 8) ? 8 : pbi->max_threads; - - /* limit decoding threads to the available cores */ - if (core_count > pbi->common.processor_core_count) - core_count = pbi->common.processor_core_count; - - if (core_count > 1) - { - pbi->b_multithreaded_rd = 1; - pbi->decoding_thread_count = core_count - 1; - - CALLOC_ARRAY(pbi->h_decoding_thread, pbi->decoding_thread_count); - CALLOC_ARRAY(pbi->h_event_start_decoding, pbi->decoding_thread_count); - CALLOC_ARRAY_ALIGNED(pbi->mb_row_di, pbi->decoding_thread_count, 32); - CALLOC_ARRAY(pbi->de_thread_data, pbi->decoding_thread_count); - - for (ithread = 0; ithread < pbi->decoding_thread_count; ithread++) - { - sem_init(&pbi->h_event_start_decoding[ithread], 0, 0); - - vp8_setup_block_dptrs(&pbi->mb_row_di[ithread].mbd); - - pbi->de_thread_data[ithread].ithread = ithread; - pbi->de_thread_data[ithread].ptr1 = (void *)pbi; - pbi->de_thread_data[ithread].ptr2 = (void *) &pbi->mb_row_di[ithread]; - - pthread_create(&pbi->h_decoding_thread[ithread], 0, thread_decoding_proc, (&pbi->de_thread_data[ithread])); - } - - sem_init(&pbi->h_event_end_decoding, 0, 0); - - pbi->allocated_decoding_thread_count = pbi->decoding_thread_count; - } -} - - -void vp8mt_de_alloc_temp_buffers(VP8D_COMP *pbi, int mb_rows) -{ - int i; - - if (protected_read(&pbi->mt_mutex, &pbi->b_multithreaded_rd)) - { - /* De-allocate mutex */ - if (pbi->pmutex != NULL) { - for (i = 0; i < mb_rows; i++) { - pthread_mutex_destroy(&pbi->pmutex[i]); - } - vpx_free(pbi->pmutex); - pbi->pmutex = NULL; - } - - vpx_free(pbi->mt_current_mb_col); - pbi->mt_current_mb_col = NULL ; - - /* Free above_row buffers. */ - if (pbi->mt_yabove_row) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_yabove_row[i]); - pbi->mt_yabove_row[i] = NULL ; - } - vpx_free(pbi->mt_yabove_row); - pbi->mt_yabove_row = NULL ; - } - - if (pbi->mt_uabove_row) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_uabove_row[i]); - pbi->mt_uabove_row[i] = NULL ; - } - vpx_free(pbi->mt_uabove_row); - pbi->mt_uabove_row = NULL ; - } - - if (pbi->mt_vabove_row) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_vabove_row[i]); - pbi->mt_vabove_row[i] = NULL ; - } - vpx_free(pbi->mt_vabove_row); - pbi->mt_vabove_row = NULL ; - } - - /* Free left_col buffers. */ - if (pbi->mt_yleft_col) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_yleft_col[i]); - pbi->mt_yleft_col[i] = NULL ; - } - vpx_free(pbi->mt_yleft_col); - pbi->mt_yleft_col = NULL ; - } - - if (pbi->mt_uleft_col) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_uleft_col[i]); - pbi->mt_uleft_col[i] = NULL ; - } - vpx_free(pbi->mt_uleft_col); - pbi->mt_uleft_col = NULL ; - } - - if (pbi->mt_vleft_col) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_vleft_col[i]); - pbi->mt_vleft_col[i] = NULL ; - } - vpx_free(pbi->mt_vleft_col); - pbi->mt_vleft_col = NULL ; - } - } -} - - -void vp8mt_alloc_temp_buffers(VP8D_COMP *pbi, int width, int prev_mb_rows) -{ - VP8_COMMON *const pc = & pbi->common; - int i; - int uv_width; - - if (protected_read(&pbi->mt_mutex, &pbi->b_multithreaded_rd)) - { - vp8mt_de_alloc_temp_buffers(pbi, prev_mb_rows); - - /* our internal buffers are always multiples of 16 */ - if ((width & 0xf) != 0) - width += 16 - (width & 0xf); - - if (width < 640) pbi->sync_range = 1; - else if (width <= 1280) pbi->sync_range = 8; - else if (width <= 2560) pbi->sync_range =16; - else pbi->sync_range = 32; - - uv_width = width >>1; - - /* Allocate mutex */ - CHECK_MEM_ERROR(pbi->pmutex, vpx_malloc(sizeof(*pbi->pmutex) * - pc->mb_rows)); - if (pbi->pmutex) { - for (i = 0; i < pc->mb_rows; i++) { - pthread_mutex_init(&pbi->pmutex[i], NULL); - } - } - - /* Allocate an int for each mb row. */ - CALLOC_ARRAY(pbi->mt_current_mb_col, pc->mb_rows); - - /* Allocate memory for above_row buffers. */ - CALLOC_ARRAY(pbi->mt_yabove_row, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_yabove_row[i], vpx_memalign(16,sizeof(unsigned char) * (width + (VP8BORDERINPIXELS<<1)))); - - CALLOC_ARRAY(pbi->mt_uabove_row, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_uabove_row[i], vpx_memalign(16,sizeof(unsigned char) * (uv_width + VP8BORDERINPIXELS))); - - CALLOC_ARRAY(pbi->mt_vabove_row, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_vabove_row[i], vpx_memalign(16,sizeof(unsigned char) * (uv_width + VP8BORDERINPIXELS))); - - /* Allocate memory for left_col buffers. */ - CALLOC_ARRAY(pbi->mt_yleft_col, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_yleft_col[i], vpx_calloc(sizeof(unsigned char) * 16, 1)); - - CALLOC_ARRAY(pbi->mt_uleft_col, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_uleft_col[i], vpx_calloc(sizeof(unsigned char) * 8, 1)); - - CALLOC_ARRAY(pbi->mt_vleft_col, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_vleft_col[i], vpx_calloc(sizeof(unsigned char) * 8, 1)); - } -} - - -void vp8_decoder_remove_threads(VP8D_COMP *pbi) -{ - /* shutdown MB Decoding thread; */ - if (protected_read(&pbi->mt_mutex, &pbi->b_multithreaded_rd)) - { - int i; - - protected_write(&pbi->mt_mutex, &pbi->b_multithreaded_rd, 0); - - /* allow all threads to exit */ - for (i = 0; i < pbi->allocated_decoding_thread_count; i++) - { - sem_post(&pbi->h_event_start_decoding[i]); - pthread_join(pbi->h_decoding_thread[i], NULL); - } - - for (i = 0; i < pbi->allocated_decoding_thread_count; i++) - { - sem_destroy(&pbi->h_event_start_decoding[i]); - } - - sem_destroy(&pbi->h_event_end_decoding); - - vpx_free(pbi->h_decoding_thread); - pbi->h_decoding_thread = NULL; - - vpx_free(pbi->h_event_start_decoding); - pbi->h_event_start_decoding = NULL; - - vpx_free(pbi->mb_row_di); - pbi->mb_row_di = NULL ; - - vpx_free(pbi->de_thread_data); - pbi->de_thread_data = NULL; - } - pthread_mutex_destroy(&pbi->mt_mutex); -} - -void vp8mt_decode_mb_rows( VP8D_COMP *pbi, MACROBLOCKD *xd) -{ - VP8_COMMON *pc = &pbi->common; - unsigned int i; - int j; - - int filter_level = pc->filter_level; - YV12_BUFFER_CONFIG *yv12_fb_new = pbi->dec_fb_ref[INTRA_FRAME]; - - if (filter_level) - { - /* Set above_row buffer to 127 for decoding first MB row */ - memset(pbi->mt_yabove_row[0] + VP8BORDERINPIXELS-1, 127, yv12_fb_new->y_width + 5); - memset(pbi->mt_uabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (yv12_fb_new->y_width>>1) +5); - memset(pbi->mt_vabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (yv12_fb_new->y_width>>1) +5); - - for (j=1; j<pc->mb_rows; j++) - { - memset(pbi->mt_yabove_row[j] + VP8BORDERINPIXELS-1, (unsigned char)129, 1); - memset(pbi->mt_uabove_row[j] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1); - memset(pbi->mt_vabove_row[j] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1); - } - - /* Set left_col to 129 initially */ - for (j=0; j<pc->mb_rows; j++) - { - memset(pbi->mt_yleft_col[j], (unsigned char)129, 16); - memset(pbi->mt_uleft_col[j], (unsigned char)129, 8); - memset(pbi->mt_vleft_col[j], (unsigned char)129, 8); - } - - /* Initialize the loop filter for this frame. */ - vp8_loop_filter_frame_init(pc, &pbi->mb, filter_level); - } - else - vp8_setup_intra_recon_top_line(yv12_fb_new); - - setup_decoding_thread_data(pbi, xd, pbi->mb_row_di, pbi->decoding_thread_count); - - for (i = 0; i < pbi->decoding_thread_count; i++) - sem_post(&pbi->h_event_start_decoding[i]); - - mt_decode_mb_rows(pbi, xd, 0); - - sem_wait(&pbi->h_event_end_decoding); /* add back for each frame */ -} diff --git a/thirdparty/libvpx/vp8/decoder/treereader.h b/thirdparty/libvpx/vp8/decoder/treereader.h deleted file mode 100644 index f7d23c3698..0000000000 --- a/thirdparty/libvpx/vp8/decoder/treereader.h +++ /dev/null @@ -1,49 +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 VP8_DECODER_TREEREADER_H_ -#define VP8_DECODER_TREEREADER_H_ - -#include "./vpx_config.h" -#include "vp8/common/treecoder.h" -#include "dboolhuff.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef BOOL_DECODER vp8_reader; - -#define vp8_read vp8dx_decode_bool -#define vp8_read_literal vp8_decode_value -#define vp8_read_bit(R) vp8_read(R, vp8_prob_half) - - -/* Intent of tree data structure is to make decoding trivial. */ - -static INLINE int vp8_treed_read( - vp8_reader *const r, /* !!! must return a 0 or 1 !!! */ - vp8_tree t, - const vp8_prob *const p -) -{ - register vp8_tree_index i = 0; - - while ((i = t[ i + vp8_read(r, p[i>>1])]) > 0) ; - - return -i; -} - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP8_DECODER_TREEREADER_H_ |