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Diffstat (limited to 'third_party/aom/aom_scale/generic/yv12config.c')
-rw-r--r--third_party/aom/aom_scale/generic/yv12config.c203
1 files changed, 0 insertions, 203 deletions
diff --git a/third_party/aom/aom_scale/generic/yv12config.c b/third_party/aom/aom_scale/generic/yv12config.c
deleted file mode 100644
index 84705e2d8..000000000
--- a/third_party/aom/aom_scale/generic/yv12config.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * Copyright (c) 2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#include <assert.h>
-
-#include "aom_mem/aom_mem.h"
-#include "aom_ports/mem.h"
-#include "aom_scale/yv12config.h"
-#include "av1/common/enums.h"
-
-/****************************************************************************
- * Exports
- ****************************************************************************/
-
-/****************************************************************************
- *
- ****************************************************************************/
-#define yv12_align_addr(addr, align) \
- (void *)(((size_t)(addr) + ((align)-1)) & (size_t) - (align))
-
-// TODO(jkoleszar): Maybe replace this with struct aom_image
-
-int aom_free_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
- if (ybf) {
- if (ybf->buffer_alloc_sz > 0) {
- aom_free(ybf->buffer_alloc);
- }
- if (ybf->y_buffer_8bit) aom_free(ybf->y_buffer_8bit);
-
- /* 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 aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
- int ss_x, int ss_y, int use_highbitdepth,
- int border, int byte_alignment,
- aom_codec_frame_buffer_t *fb,
- aom_get_frame_buffer_cb_fn_t cb, void *cb_priv) {
-#if CONFIG_SIZE_LIMIT
- if (width > DECODE_WIDTH_LIMIT || height > DECODE_HEIGHT_LIMIT) return -1;
-#endif
-
- if (ybf) {
- const int aom_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;
-
- const uint64_t frame_size =
- (1 + use_highbitdepth) * (yplane_size + 2 * uvplane_size);
-
- uint8_t *buf = NULL;
-
-#if defined AOM_MAX_ALLOCABLE_MEMORY
- // The size of ybf->buffer_alloc.
- uint64_t alloc_size = frame_size;
- // The size of ybf->y_buffer_8bit.
- if (use_highbitdepth) alloc_size += yplane_size;
- // The decoder may allocate REF_FRAMES frame buffers in the frame buffer
- // pool. Bound the total amount of allocated memory as if these REF_FRAMES
- // frame buffers were allocated in a single allocation.
- if (alloc_size > AOM_MAX_ALLOCABLE_MEMORY / REF_FRAMES) return -1;
-#endif
-
- 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, (size_t)frame_size);
-#endif
-#endif
- } else if (frame_size > (size_t)ybf->buffer_alloc_sz) {
- // Allocation to hold larger frame, or first allocation.
- aom_free(ybf->buffer_alloc);
- ybf->buffer_alloc = NULL;
-
- if (frame_size != (size_t)frame_size) return -1;
-
- ybf->buffer_alloc = (uint8_t *)aom_memalign(32, (size_t)frame_size);
- if (!ybf->buffer_alloc) return -1;
-
- ybf->buffer_alloc_sz = (size_t)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
- * aom_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 = (size_t)frame_size;
- ybf->subsampling_x = ss_x;
- ybf->subsampling_y = ss_y;
-
- buf = ybf->buffer_alloc;
- 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;
- }
-
- ybf->y_buffer = (uint8_t *)yv12_align_addr(
- buf + (border * y_stride) + border, aom_byte_align);
- ybf->u_buffer = (uint8_t *)yv12_align_addr(
- buf + yplane_size + (uv_border_h * uv_stride) + uv_border_w,
- aom_byte_align);
- ybf->v_buffer =
- (uint8_t *)yv12_align_addr(buf + yplane_size + uvplane_size +
- (uv_border_h * uv_stride) + uv_border_w,
- aom_byte_align);
-
- ybf->use_external_reference_buffers = 0;
-
- if (use_highbitdepth) {
- if (ybf->y_buffer_8bit) aom_free(ybf->y_buffer_8bit);
- ybf->y_buffer_8bit = (uint8_t *)aom_memalign(32, (size_t)yplane_size);
- if (!ybf->y_buffer_8bit) return -1;
- } else {
- if (ybf->y_buffer_8bit) {
- aom_free(ybf->y_buffer_8bit);
- ybf->y_buffer_8bit = NULL;
- ybf->buf_8bit_valid = 0;
- }
- }
-
- ybf->corrupted = 0; /* assume not corrupted by errors */
- return 0;
- }
- return -2;
-}
-
-int aom_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
- int ss_x, int ss_y, int use_highbitdepth, int border,
- int byte_alignment) {
- if (ybf) {
- aom_free_frame_buffer(ybf);
- return aom_realloc_frame_buffer(ybf, width, height, ss_x, ss_y,
- use_highbitdepth, border, byte_alignment,
- NULL, NULL, NULL);
- }
- return -2;
-}
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