diff options
Diffstat (limited to 'third_party/aom/aom_scale/generic/yv12config.c')
-rw-r--r-- | third_party/aom/aom_scale/generic/yv12config.c | 203 |
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; -} |