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path: root/thirdparty/libvpx/vpx_scale/generic/yv12config.c
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Diffstat (limited to 'thirdparty/libvpx/vpx_scale/generic/yv12config.c')
-rw-r--r--thirdparty/libvpx/vpx_scale/generic/yv12config.c287
1 files changed, 0 insertions, 287 deletions
diff --git a/thirdparty/libvpx/vpx_scale/generic/yv12config.c b/thirdparty/libvpx/vpx_scale/generic/yv12config.c
deleted file mode 100644
index 6bbb6d8d48..0000000000
--- a/thirdparty/libvpx/vpx_scale/generic/yv12config.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#include <assert.h>
-
-#include "vpx_scale/yv12config.h"
-#include "vpx_mem/vpx_mem.h"
-#include "vpx_ports/mem.h"
-
-/****************************************************************************
-* Exports
-****************************************************************************/
-
-/****************************************************************************
- *
- ****************************************************************************/
-#define yv12_align_addr(addr, align) \
- (void*)(((size_t)(addr) + ((align) - 1)) & (size_t)-(align))
-
-int
-vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
- if (ybf) {
- // If libvpx is using frame buffer callbacks then buffer_alloc_sz must
- // not be set.
- if (ybf->buffer_alloc_sz > 0) {
- vpx_free(ybf->buffer_alloc);
- }
-
- /* buffer_alloc isn't accessed by most functions. Rather y_buffer,
- u_buffer and v_buffer point to buffer_alloc and are used. Clear out
- all of this so that a freed pointer isn't inadvertently used */
- memset(ybf, 0, sizeof(YV12_BUFFER_CONFIG));
- } else {
- return -1;
- }
-
- return 0;
-}
-
-int vp8_yv12_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
- int width, int height, int border) {
- if (ybf) {
- int aligned_width = (width + 15) & ~15;
- int aligned_height = (height + 15) & ~15;
- int y_stride = ((aligned_width + 2 * border) + 31) & ~31;
- int yplane_size = (aligned_height + 2 * border) * y_stride;
- int uv_width = aligned_width >> 1;
- int uv_height = aligned_height >> 1;
- /** There is currently a bunch of code which assumes
- * uv_stride == y_stride/2, so enforce this here. */
- int uv_stride = y_stride >> 1;
- int uvplane_size = (uv_height + border) * uv_stride;
- const int frame_size = yplane_size + 2 * uvplane_size;
-
- if (!ybf->buffer_alloc) {
- ybf->buffer_alloc = (uint8_t *)vpx_memalign(32, frame_size);
- ybf->buffer_alloc_sz = frame_size;
- }
-
- if (!ybf->buffer_alloc || ybf->buffer_alloc_sz < frame_size)
- return -1;
-
- /* Only support allocating buffers that have a border that's a multiple
- * of 32. The border restriction is required to get 16-byte alignment of
- * the start of the chroma rows without introducing an arbitrary gap
- * between planes, which would break the semantics of things like
- * vpx_img_set_rect(). */
- if (border & 0x1f)
- return -3;
-
- ybf->y_crop_width = width;
- ybf->y_crop_height = height;
- ybf->y_width = aligned_width;
- ybf->y_height = aligned_height;
- ybf->y_stride = y_stride;
-
- ybf->uv_crop_width = (width + 1) / 2;
- ybf->uv_crop_height = (height + 1) / 2;
- ybf->uv_width = uv_width;
- ybf->uv_height = uv_height;
- ybf->uv_stride = uv_stride;
-
- ybf->alpha_width = 0;
- ybf->alpha_height = 0;
- ybf->alpha_stride = 0;
-
- ybf->border = border;
- ybf->frame_size = frame_size;
-
- ybf->y_buffer = ybf->buffer_alloc + (border * y_stride) + border;
- ybf->u_buffer = ybf->buffer_alloc + yplane_size + (border / 2 * uv_stride) + border / 2;
- ybf->v_buffer = ybf->buffer_alloc + yplane_size + uvplane_size + (border / 2 * uv_stride) + border / 2;
- ybf->alpha_buffer = NULL;
-
- ybf->corrupted = 0; /* assume not currupted by errors */
- return 0;
- }
- return -2;
-}
-
-int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
- int width, int height, int border) {
- if (ybf) {
- vp8_yv12_de_alloc_frame_buffer(ybf);
- return vp8_yv12_realloc_frame_buffer(ybf, width, height, border);
- }
- return -2;
-}
-
-#if CONFIG_VP9
-// TODO(jkoleszar): Maybe replace this with struct vpx_image
-
-int vpx_free_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
- if (ybf) {
- if (ybf->buffer_alloc_sz > 0) {
- vpx_free(ybf->buffer_alloc);
- }
-
- /* buffer_alloc isn't accessed by most functions. Rather y_buffer,
- u_buffer and v_buffer point to buffer_alloc and are used. Clear out
- all of this so that a freed pointer isn't inadvertently used */
- memset(ybf, 0, sizeof(YV12_BUFFER_CONFIG));
- } else {
- return -1;
- }
-
- return 0;
-}
-
-int vpx_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
- int width, int height,
- int ss_x, int ss_y,
-#if CONFIG_VP9_HIGHBITDEPTH
- int use_highbitdepth,
-#endif
- int border,
- int byte_alignment,
- vpx_codec_frame_buffer_t *fb,
- vpx_get_frame_buffer_cb_fn_t cb,
- void *cb_priv) {
- if (ybf) {
- const int vp9_byte_align = (byte_alignment == 0) ? 1 : byte_alignment;
- const int aligned_width = (width + 7) & ~7;
- const int aligned_height = (height + 7) & ~7;
- const int y_stride = ((aligned_width + 2 * border) + 31) & ~31;
- const uint64_t yplane_size = (aligned_height + 2 * border) *
- (uint64_t)y_stride + byte_alignment;
- const int uv_width = aligned_width >> ss_x;
- const int uv_height = aligned_height >> ss_y;
- const int uv_stride = y_stride >> ss_x;
- const int uv_border_w = border >> ss_x;
- const int uv_border_h = border >> ss_y;
- const uint64_t uvplane_size = (uv_height + 2 * uv_border_h) *
- (uint64_t)uv_stride + byte_alignment;
-
-#if CONFIG_VP9_HIGHBITDEPTH
- const uint64_t frame_size =
- (1 + use_highbitdepth) * (yplane_size + 2 * uvplane_size);
-#else
- const uint64_t frame_size = yplane_size + 2 * uvplane_size;
-#endif // CONFIG_VP9_HIGHBITDEPTH
-
- uint8_t *buf = NULL;
-
- if (cb != NULL) {
- const int align_addr_extra_size = 31;
- const uint64_t external_frame_size = frame_size + align_addr_extra_size;
-
- assert(fb != NULL);
-
- if (external_frame_size != (size_t)external_frame_size)
- return -1;
-
- // Allocation to hold larger frame, or first allocation.
- if (cb(cb_priv, (size_t)external_frame_size, fb) < 0)
- return -1;
-
- if (fb->data == NULL || fb->size < external_frame_size)
- return -1;
-
- ybf->buffer_alloc = (uint8_t *)yv12_align_addr(fb->data, 32);
-
-#if defined(__has_feature)
-#if __has_feature(memory_sanitizer)
- // This memset is needed for fixing the issue of using uninitialized
- // value in msan test. It will cause a perf loss, so only do this for
- // msan test.
- memset(ybf->buffer_alloc, 0, (int)frame_size);
-#endif
-#endif
- } else if (frame_size > (size_t)ybf->buffer_alloc_sz) {
- // Allocation to hold larger frame, or first allocation.
- vpx_free(ybf->buffer_alloc);
- ybf->buffer_alloc = NULL;
-
- if (frame_size != (size_t)frame_size)
- return -1;
-
- ybf->buffer_alloc = (uint8_t *)vpx_memalign(32, (size_t)frame_size);
- if (!ybf->buffer_alloc)
- return -1;
-
- ybf->buffer_alloc_sz = (int)frame_size;
-
- // This memset is needed for fixing valgrind error from C loop filter
- // due to access uninitialized memory in frame border. It could be
- // removed if border is totally removed.
- memset(ybf->buffer_alloc, 0, ybf->buffer_alloc_sz);
- }
-
- /* Only support allocating buffers that have a border that's a multiple
- * of 32. The border restriction is required to get 16-byte alignment of
- * the start of the chroma rows without introducing an arbitrary gap
- * between planes, which would break the semantics of things like
- * vpx_img_set_rect(). */
- if (border & 0x1f)
- return -3;
-
- ybf->y_crop_width = width;
- ybf->y_crop_height = height;
- ybf->y_width = aligned_width;
- ybf->y_height = aligned_height;
- ybf->y_stride = y_stride;
-
- ybf->uv_crop_width = (width + ss_x) >> ss_x;
- ybf->uv_crop_height = (height + ss_y) >> ss_y;
- ybf->uv_width = uv_width;
- ybf->uv_height = uv_height;
- ybf->uv_stride = uv_stride;
-
- ybf->border = border;
- ybf->frame_size = (int)frame_size;
- ybf->subsampling_x = ss_x;
- ybf->subsampling_y = ss_y;
-
- buf = ybf->buffer_alloc;
-#if CONFIG_VP9_HIGHBITDEPTH
- if (use_highbitdepth) {
- // Store uint16 addresses when using 16bit framebuffers
- buf = CONVERT_TO_BYTEPTR(ybf->buffer_alloc);
- ybf->flags = YV12_FLAG_HIGHBITDEPTH;
- } else {
- ybf->flags = 0;
- }
-#endif // CONFIG_VP9_HIGHBITDEPTH
-
- ybf->y_buffer = (uint8_t *)yv12_align_addr(
- buf + (border * y_stride) + border, vp9_byte_align);
- ybf->u_buffer = (uint8_t *)yv12_align_addr(
- buf + yplane_size + (uv_border_h * uv_stride) + uv_border_w,
- vp9_byte_align);
- ybf->v_buffer = (uint8_t *)yv12_align_addr(
- buf + yplane_size + uvplane_size + (uv_border_h * uv_stride) +
- uv_border_w, vp9_byte_align);
-
- ybf->corrupted = 0; /* assume not corrupted by errors */
- return 0;
- }
- return -2;
-}
-
-int vpx_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
- int width, int height,
- int ss_x, int ss_y,
-#if CONFIG_VP9_HIGHBITDEPTH
- int use_highbitdepth,
-#endif
- int border,
- int byte_alignment) {
- if (ybf) {
- vpx_free_frame_buffer(ybf);
- return vpx_realloc_frame_buffer(ybf, width, height, ss_x, ss_y,
-#if CONFIG_VP9_HIGHBITDEPTH
- use_highbitdepth,
-#endif
- border, byte_alignment, NULL, NULL, NULL);
- }
- return -2;
-}
-#endif
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