mirror of
https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
synced 2026-10-08 00:07:30 +09:00
Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
This commit is contained in:
trav90
Roy Tam
parent
eb8cd130a8
commit
edc8d83307
989 changed files with 470949 additions and 0 deletions
199
third_party/aom/aom_scale/generic/yv12config.c
vendored
Normal file
199
third_party/aom/aom_scale/generic/yv12config.c
vendored
Normal file
|
|
@ -0,0 +1,199 @@
|
|||
/*
|
||||
* 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_scale/yv12config.h"
|
||||
#include "aom_mem/aom_mem.h"
|
||||
#include "aom_ports/mem.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Exports
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
*
|
||||
****************************************************************************/
|
||||
#define yv12_align_addr(addr, align) \
|
||||
(void *)(((size_t)(addr) + ((align)-1)) & (size_t) - (align))
|
||||
|
||||
#if CONFIG_AV1
|
||||
// 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 CONFIG_HIGHBITDEPTH && CONFIG_GLOBAL_MOTION
|
||||
if (ybf->y_buffer_8bit) free(ybf->y_buffer_8bit);
|
||||
#endif
|
||||
|
||||
/* 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,
|
||||
#if CONFIG_HIGHBITDEPTH
|
||||
int use_highbitdepth,
|
||||
#endif
|
||||
int border, int byte_alignment,
|
||||
aom_codec_frame_buffer_t *fb,
|
||||
aom_get_frame_buffer_cb_fn_t cb, void *cb_priv) {
|
||||
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;
|
||||
|
||||
#if CONFIG_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_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.
|
||||
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 CONFIG_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_HIGHBITDEPTH
|
||||
|
||||
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);
|
||||
|
||||
#if CONFIG_HIGHBITDEPTH && CONFIG_GLOBAL_MOTION
|
||||
if (ybf->y_buffer_8bit) {
|
||||
free(ybf->y_buffer_8bit);
|
||||
ybf->y_buffer_8bit = NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
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,
|
||||
#if CONFIG_HIGHBITDEPTH
|
||||
int use_highbitdepth,
|
||||
#endif
|
||||
int border, int byte_alignment) {
|
||||
if (ybf) {
|
||||
aom_free_frame_buffer(ybf);
|
||||
return aom_realloc_frame_buffer(ybf, width, height, ss_x, ss_y,
|
||||
#if CONFIG_HIGHBITDEPTH
|
||||
use_highbitdepth,
|
||||
#endif
|
||||
border, byte_alignment, NULL, NULL, NULL);
|
||||
}
|
||||
return -2;
|
||||
}
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue