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Add support for setting byte alignment.

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Add support for setting byte alignment on the Y, U, and V plane of the
reference buffers. The byte alignment must be a power of 2, from 32 to
1024. A value of 0 sets legacy alignment.

Change-Id: I7c1399622f7aa68e123646369216b32047dda73d
This commit is contained in:
Frank Galligan 2014-11-13 12:28:34 -08:00
parent 6d1a63a02a
commit 399823b6f5
15 changed files with 291 additions and 44 deletions
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189
test/byte_alignment_test.cc Normal file
View File

@ -0,0 +1,189 @@
/*
* Copyright (c) 2014 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 <string>
#include "./vpx_config.h"
#include "test/codec_factory.h"
#include "test/decode_test_driver.h"
#include "test/md5_helper.h"
#include "test/util.h"
#if CONFIG_WEBM_IO
#include "test/webm_video_source.h"
#endif
namespace {
const int kLegacyByteAlignment = 0;
const int kLegacyYPlaneByteAlignment = 32;
const int kNumPlanesToCheck = 3;
const char kVP9TestFile[] = "vp90-2-02-size-lf-1920x1080.webm";
const char kVP9Md5File[] = "vp90-2-02-size-lf-1920x1080.webm.md5";
#if CONFIG_WEBM_IO
struct ByteAlignmentTestParam {
int byte_alignment;
vpx_codec_err_t expected_value;
bool decode_remaining;
};
const ByteAlignmentTestParam kBaTestParams[] = {
{kLegacyByteAlignment, VPX_CODEC_OK, true},
{32, VPX_CODEC_OK, true},
{64, VPX_CODEC_OK, true},
{128, VPX_CODEC_OK, true},
{256, VPX_CODEC_OK, true},
{512, VPX_CODEC_OK, true},
{1024, VPX_CODEC_OK, true},
{1, VPX_CODEC_INVALID_PARAM, false},
{-2, VPX_CODEC_INVALID_PARAM, false},
{4, VPX_CODEC_INVALID_PARAM, false},
{16, VPX_CODEC_INVALID_PARAM, false},
{255, VPX_CODEC_INVALID_PARAM, false},
{2048, VPX_CODEC_INVALID_PARAM, false},
};
// Class for testing byte alignment of reference buffers.
class ByteAlignmentTest
: public ::testing::TestWithParam<ByteAlignmentTestParam> {
protected:
ByteAlignmentTest()
: video_(NULL),
decoder_(NULL),
md5_file_(NULL) {}
virtual void SetUp() {
video_ = new libvpx_test::WebMVideoSource(kVP9TestFile);
ASSERT_TRUE(video_ != NULL);
video_->Init();
video_->Begin();
const vpx_codec_dec_cfg_t cfg = vpx_codec_dec_cfg_t();
decoder_ = new libvpx_test::VP9Decoder(cfg, 0);
ASSERT_TRUE(decoder_ != NULL);
OpenMd5File(kVP9Md5File);
}
virtual void TearDown() {
if (md5_file_ != NULL)
fclose(md5_file_);
delete decoder_;
delete video_;
}
void SetByteAlignment(int byte_alignment, vpx_codec_err_t expected_value) {
decoder_->Control(VP9_SET_BYTE_ALIGNMENT, byte_alignment, expected_value);
}
vpx_codec_err_t DecodeOneFrame(int byte_alignment_to_check) {
const vpx_codec_err_t res =
decoder_->DecodeFrame(video_->cxdata(), video_->frame_size());
CheckDecodedFrames(byte_alignment_to_check);
if (res == VPX_CODEC_OK)
video_->Next();
return res;
}
vpx_codec_err_t DecodeRemainingFrames(int byte_alignment_to_check) {
for (; video_->cxdata() != NULL; video_->Next()) {
const vpx_codec_err_t res =
decoder_->DecodeFrame(video_->cxdata(), video_->frame_size());
if (res != VPX_CODEC_OK)
return res;
CheckDecodedFrames(byte_alignment_to_check);
}
return VPX_CODEC_OK;
}
private:
// Check if |data| is aligned to |byte_alignment_to_check|.
// |byte_alignment_to_check| must be a power of 2.
void CheckByteAlignment(const uint8_t *data, int byte_alignment_to_check) {
ASSERT_EQ(0u, reinterpret_cast<size_t>(data) % byte_alignment_to_check);
}
// Iterate through the planes of the decoded frames and check for
// alignment based off |byte_alignment_to_check|.
void CheckDecodedFrames(int byte_alignment_to_check) {
libvpx_test::DxDataIterator dec_iter = decoder_->GetDxData();
const vpx_image_t *img;
// Get decompressed data
while ((img = dec_iter.Next()) != NULL) {
if (byte_alignment_to_check == kLegacyByteAlignment) {
CheckByteAlignment(img->planes[0], kLegacyYPlaneByteAlignment);
} else {
for (int i = 0; i < kNumPlanesToCheck; ++i) {
CheckByteAlignment(img->planes[i], byte_alignment_to_check);
}
}
CheckMd5(*img);
}
}
// TODO(fgalligan): Move the MD5 testing code into another class.
void OpenMd5File(const std::string &md5_file_name_) {
md5_file_ = libvpx_test::OpenTestDataFile(md5_file_name_);
ASSERT_TRUE(md5_file_ != NULL) << "MD5 file open failed. Filename: "
<< md5_file_name_;
}
void CheckMd5(const vpx_image_t &img) {
ASSERT_TRUE(md5_file_ != NULL);
char expected_md5[33];
char junk[128];
// Read correct md5 checksums.
const int res = fscanf(md5_file_, "%s %s", expected_md5, junk);
ASSERT_NE(EOF, res) << "Read md5 data failed";
expected_md5[32] = '\0';
::libvpx_test::MD5 md5_res;
md5_res.Add(&img);
const char *const actual_md5 = md5_res.Get();
// Check md5 match.
ASSERT_STREQ(expected_md5, actual_md5) << "MD5 checksums don't match";
}
libvpx_test::WebMVideoSource *video_;
libvpx_test::VP9Decoder *decoder_;
FILE *md5_file_;
};
TEST_F(ByteAlignmentTest, SwitchByteAlignment) {
const int num_elements = 14;
const int byte_alignments[] = { 0, 32, 64, 128, 256, 512, 1024,
0, 1024, 32, 512, 64, 256, 128 };
for (int i = 0; i < num_elements; ++i) {
SetByteAlignment(byte_alignments[i], VPX_CODEC_OK);
ASSERT_EQ(VPX_CODEC_OK, DecodeOneFrame(byte_alignments[i]));
}
SetByteAlignment(byte_alignments[0], VPX_CODEC_OK);
ASSERT_EQ(VPX_CODEC_OK, DecodeRemainingFrames(byte_alignments[0]));
}
TEST_P(ByteAlignmentTest, TestAlignment) {
const ByteAlignmentTestParam t = GetParam();
SetByteAlignment(t.byte_alignment, t.expected_value);
if (t.decode_remaining)
ASSERT_EQ(VPX_CODEC_OK, DecodeRemainingFrames(t.byte_alignment));
}
INSTANTIATE_TEST_CASE_P(Alignments, ByteAlignmentTest,
::testing::ValuesIn(kBaTestParams));
#endif // CONFIG_WEBM_IO
} // namespace

10
test/decode_test_driver.h
View File

@ -66,9 +66,7 @@ class Decoder {
}
void Control(int ctrl_id, int arg) {
InitOnce();
const vpx_codec_err_t res = vpx_codec_control_(&decoder_, ctrl_id, arg);
ASSERT_EQ(VPX_CODEC_OK, res) << DecodeError();
Control(ctrl_id, arg, VPX_CODEC_OK);
}
void Control(int ctrl_id, const void *arg) {
@ -77,6 +75,12 @@ class Decoder {
ASSERT_EQ(VPX_CODEC_OK, res) << DecodeError();
}
void Control(int ctrl_id, int arg, vpx_codec_err_t expected_value) {
InitOnce();
const vpx_codec_err_t res = vpx_codec_control_(&decoder_, ctrl_id, arg);
ASSERT_EQ(expected_value, res) << DecodeError();
}
const char* DecodeError() {
const char *detail = vpx_codec_error_detail(&decoder_);
return detail ? detail : vpx_codec_error(&decoder_);

1
test/test.mk
View File

@ -31,6 +31,7 @@ LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += config_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += cq_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += keyframe_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP9_DECODER) += byte_alignment_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP9_DECODER) += external_frame_buffer_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP9_DECODER) += invalid_file_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP9_DECODER) += user_priv_test.cc

3
vp9/common/vp9_alloccommon.c
View File

@ -110,7 +110,8 @@ int vp9_alloc_ref_frame_buffers(VP9_COMMON *cm, int width, int height) {
#if CONFIG_VP9_HIGHBITDEPTH
cm->use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS) < 0)
VP9_ENC_BORDER_IN_PIXELS,
cm->byte_alignment) < 0)
goto fail;
if (cm->frame_bufs[i].mvs == NULL) {
cm->frame_bufs[i].mvs =

1
vp9/common/vp9_onyxc_int.h
View File

@ -207,6 +207,7 @@ typedef struct VP9Common {
int frame_parallel_decoding_mode;
int log2_tile_cols, log2_tile_rows;
int byte_alignment;
// Private data associated with the frame buffer callbacks.
void *cb_priv;

2
vp9/decoder/vp9_decodeframe.c
View File

@ -719,6 +719,7 @@ static void setup_frame_size(VP9_COMMON *cm, struct vp9_read_bit_buffer *rb) {
cm->use_highbitdepth,
#endif
VP9_DEC_BORDER_IN_PIXELS,
cm->byte_alignment,
&cm->frame_bufs[cm->new_fb_idx].raw_frame_buffer, cm->get_fb_cb,
cm->cb_priv)) {
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
@ -793,6 +794,7 @@ static void setup_frame_size_with_refs(VP9_COMMON *cm,
cm->use_highbitdepth,
#endif
VP9_DEC_BORDER_IN_PIXELS,
cm->byte_alignment,
&cm->frame_bufs[cm->new_fb_idx].raw_frame_buffer, cm->get_fb_cb,
cm->cb_priv)) {
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,

5
vp9/encoder/vp9_denoiser.c
View File

@ -425,6 +425,7 @@ int vp9_denoiser_alloc(VP9_DENOISER *denoiser, int width, int height,
#endif
int border) {
int i, fail;
const int legacy_byte_alignment = 0;
assert(denoiser != NULL);
for (i = 0; i < MAX_REF_FRAMES; ++i) {
@ -433,7 +434,7 @@ int vp9_denoiser_alloc(VP9_DENOISER *denoiser, int width, int height,
#if CONFIG_VP9_HIGHBITDEPTH
use_highbitdepth,
#endif
border);
border, legacy_byte_alignment);
if (fail) {
vp9_denoiser_free(denoiser);
return 1;
@ -448,7 +449,7 @@ int vp9_denoiser_alloc(VP9_DENOISER *denoiser, int width, int height,
#if CONFIG_VP9_HIGHBITDEPTH
use_highbitdepth,
#endif
border);
border, legacy_byte_alignment);
if (fail) {
vp9_denoiser_free(denoiser);
return 1;

24
vp9/encoder/vp9_encoder.c
View File

@ -491,7 +491,8 @@ static void alloc_raw_frame_buffers(VP9_COMP *cpi) {
#if CONFIG_VP9_HIGHBITDEPTH
cm->use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL))
VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
NULL, NULL, NULL))
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
"Failed to allocate altref buffer");
}
@ -511,7 +512,8 @@ static void alloc_util_frame_buffers(VP9_COMP *cpi) {
#if CONFIG_VP9_HIGHBITDEPTH
cm->use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL))
VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
NULL, NULL, NULL))
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
"Failed to allocate last frame buffer");
@ -521,7 +523,8 @@ static void alloc_util_frame_buffers(VP9_COMP *cpi) {
#if CONFIG_VP9_HIGHBITDEPTH
cm->use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL))
VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
NULL, NULL, NULL))
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
"Failed to allocate scaled source buffer");
@ -531,7 +534,8 @@ static void alloc_util_frame_buffers(VP9_COMP *cpi) {
#if CONFIG_VP9_HIGHBITDEPTH
cm->use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL))
VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
NULL, NULL, NULL))
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
"Failed to allocate scaled last source buffer");
}
@ -567,7 +571,8 @@ static void update_frame_size(VP9_COMP *cpi) {
#if CONFIG_VP9_HIGHBITDEPTH
cm->use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL))
VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
NULL, NULL, NULL))
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
"Failed to reallocate alt_ref_buffer");
}
@ -2473,7 +2478,8 @@ void vp9_scale_references(VP9_COMP *cpi) {
cm->width, cm->height,
cm->subsampling_x, cm->subsampling_y,
cm->use_highbitdepth,
VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL);
VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
NULL, NULL, NULL);
scale_and_extend_frame(ref, &cm->frame_bufs[new_fb].buf,
(int)cm->bit_depth);
#else
@ -2482,7 +2488,8 @@ void vp9_scale_references(VP9_COMP *cpi) {
vp9_realloc_frame_buffer(&cm->frame_bufs[new_fb].buf,
cm->width, cm->height,
cm->subsampling_x, cm->subsampling_y,
VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL);
VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
NULL, NULL, NULL);
scale_and_extend_frame(ref, &cm->frame_bufs[new_fb].buf);
#endif // CONFIG_VP9_HIGHBITDEPTH
cpi->scaled_ref_idx[ref_frame - 1] = new_fb;
@ -2721,7 +2728,8 @@ void set_frame_size(VP9_COMP *cpi) {
#if CONFIG_VP9_HIGHBITDEPTH
cm->use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL);
VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
NULL, NULL, NULL);
alloc_util_frame_buffers(cpi);
init_motion_estimation(cpi);

4
vp9/encoder/vp9_lookahead.c
View File

@ -65,6 +65,7 @@ struct lookahead_ctx *vp9_lookahead_init(unsigned int width,
// Allocate the lookahead structures
ctx = calloc(1, sizeof(*ctx));
if (ctx) {
const int legacy_byte_alignment = 0;
unsigned int i;
ctx->max_sz = depth;
ctx->buf = calloc(depth, sizeof(*ctx->buf));
@ -76,7 +77,8 @@ struct lookahead_ctx *vp9_lookahead_init(unsigned int width,
#if CONFIG_VP9_HIGHBITDEPTH
use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS))
VP9_ENC_BORDER_IN_PIXELS,
legacy_byte_alignment))
goto bail;
}
return ctx;

4
vp9/encoder/vp9_svc_layercontext.c
View File

@ -39,7 +39,9 @@ void vp9_init_layer_context(VP9_COMP *const cpi) {
#if CONFIG_VP9_HIGHBITDEPTH
cpi->common.use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL))
VP9_ENC_BORDER_IN_PIXELS,
cpi->common.byte_alignment,
NULL, NULL, NULL))
vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,
"Failed to allocate empty frame for multiple frame "
"contexts");

5
vp9/encoder/vp9_temporal_filter.c
View File

@ -710,8 +710,9 @@ void vp9_temporal_filter(VP9_COMP *cpi, int distance) {
#if CONFIG_VP9_HIGHBITDEPTH
cm->use_highbitdepth,
#endif
VP9_ENC_BORDER_IN_PIXELS, NULL, NULL,
NULL)) {
VP9_ENC_BORDER_IN_PIXELS,
cm->byte_alignment,
NULL, NULL, NULL)) {
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
"Failed to reallocate alt_ref_buffer");
}

24
vp9/vp9_dx_iface.c
View File

@ -44,6 +44,7 @@ struct vpx_codec_alg_priv {
int flushed;
int invert_tile_order;
int frame_parallel_decode; // frame-based threading.
int byte_alignment;
// External frame buffer info to save for VP9 common.
void *ext_priv; // Private data associated with the external frame buffers.
@ -219,6 +220,7 @@ static void init_buffer_callbacks(vpx_codec_alg_priv_t *ctx) {
VP9_COMMON *const cm = &ctx->pbi->common;
cm->new_fb_idx = -1;
cm->byte_alignment = ctx->byte_alignment;
if (ctx->get_ext_fb_cb != NULL && ctx->release_ext_fb_cb != NULL) {
cm->get_fb_cb = ctx->get_ext_fb_cb;
@ -617,6 +619,27 @@ static vpx_codec_err_t ctrl_set_decryptor(vpx_codec_alg_priv_t *ctx,
return VPX_CODEC_OK;
}
static vpx_codec_err_t ctrl_set_byte_alignment(vpx_codec_alg_priv_t *ctx,
va_list args) {
const int legacy_byte_alignment = 0;
const int min_byte_alignment = 32;
const int max_byte_alignment = 1024;
const int byte_alignment = va_arg(args, int);
if (byte_alignment != legacy_byte_alignment &&
(byte_alignment < min_byte_alignment ||
byte_alignment > max_byte_alignment ||
(byte_alignment & (byte_alignment - 1)) != 0))
return VPX_CODEC_INVALID_PARAM;
ctx->byte_alignment = byte_alignment;
if (ctx->pbi != NULL) {
VP9_COMMON *const cm = &ctx->pbi->common;
cm->byte_alignment = byte_alignment;
}
return VPX_CODEC_OK;
}
static vpx_codec_ctrl_fn_map_t decoder_ctrl_maps[] = {
{VP8_COPY_REFERENCE, ctrl_copy_reference},
@ -629,6 +652,7 @@ static vpx_codec_ctrl_fn_map_t decoder_ctrl_maps[] = {
{VP8_SET_DBG_DISPLAY_MV, ctrl_set_dbg_options},
{VP9_INVERT_TILE_DECODE_ORDER, ctrl_set_invert_tile_order},
{VPXD_SET_DECRYPTOR, ctrl_set_decryptor},
{VP9_SET_BYTE_ALIGNMENT, ctrl_set_byte_alignment},
// Getters
{VP8D_GET_LAST_REF_UPDATES, ctrl_get_last_ref_updates},

7
vpx/vp8dx.h
View File

@ -78,6 +78,13 @@ enum vp8_dec_control_id {
/** control function to get the bit depth of the stream. */
VP9D_GET_BIT_DEPTH,
/** control function to set the byte alignment of the planes in the reference
* buffers. Valid values are power of 2, from 32 to 1024. A value of 0 sets
* legacy alignment. I.e. Y plane is aligned to 32 bytes, U plane directly
* follows Y plane, and V plane directly follows U plane. Default value is 0.
*/
VP9_SET_BYTE_ALIGNMENT,
/** For testing. */
VP9_INVERT_TILE_DECODE_ORDER,

50
vpx_scale/generic/yv12config.c
View File

@ -143,22 +143,25 @@ int vp9_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
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;
(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;
(uint64_t)uv_stride + byte_alignment;
#if CONFIG_ALPHA
const int alpha_width = aligned_width;
const int alpha_height = aligned_height;
@ -166,7 +169,7 @@ int vp9_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
const int alpha_border_w = border;
const int alpha_border_h = border;
const uint64_t alpha_plane_size = (alpha_height + 2 * alpha_border_h) *
(uint64_t)alpha_stride;
(uint64_t)alpha_stride + byte_alignment;
#if CONFIG_VP9_HIGHBITDEPTH
const uint64_t frame_size = (1 + use_highbitdepth) *
(yplane_size + 2 * uvplane_size + alpha_plane_size);
@ -182,6 +185,9 @@ int vp9_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
const uint64_t frame_size = yplane_size + 2 * uvplane_size;
#endif // CONFIG_VP9_HIGHBITDEPTH
#endif // CONFIG_ALPHA
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;
@ -244,38 +250,33 @@ int vp9_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
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
uint8_t *p = CONVERT_TO_BYTEPTR(ybf->buffer_alloc);
ybf->y_buffer = p + (border * y_stride) + border;
ybf->u_buffer = p + yplane_size +
(uv_border_h * uv_stride) + uv_border_w;
ybf->v_buffer = p + yplane_size + uvplane_size +
(uv_border_h * uv_stride) + uv_border_w;
buf = CONVERT_TO_BYTEPTR(ybf->buffer_alloc);
ybf->flags = YV12_FLAG_HIGHBITDEPTH;
} else {
ybf->y_buffer = ybf->buffer_alloc + (border * y_stride) + border;
ybf->u_buffer = ybf->buffer_alloc + yplane_size +
(uv_border_h * uv_stride) + uv_border_w;
ybf->v_buffer = ybf->buffer_alloc + yplane_size + uvplane_size +
(uv_border_h * uv_stride) + uv_border_w;
ybf->flags = 0;
}
#else
ybf->y_buffer = ybf->buffer_alloc + (border * y_stride) + border;
ybf->u_buffer = ybf->buffer_alloc + yplane_size +
(uv_border_h * uv_stride) + uv_border_w;
ybf->v_buffer = ybf->buffer_alloc + yplane_size + uvplane_size +
(uv_border_h * uv_stride) + uv_border_w;
#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);
#if CONFIG_ALPHA
ybf->alpha_width = alpha_width;
ybf->alpha_height = alpha_height;
ybf->alpha_stride = alpha_stride;
ybf->alpha_buffer = ybf->buffer_alloc + yplane_size + 2 * uvplane_size +
(alpha_border_h * alpha_stride) + alpha_border_w;
ybf->alpha_buffer = (uint8_t *)yv12_align_addr(
buf + yplane_size + 2 * uvplane_size +
(alpha_border_h * alpha_stride) + alpha_border_w, vp9_byte_align);
#endif
ybf->corrupted = 0; /* assume not corrupted by errors */
return 0;
@ -289,14 +290,15 @@ int vp9_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
#if CONFIG_VP9_HIGHBITDEPTH
int use_highbitdepth,
#endif
int border) {
int border,
int byte_alignment) {
if (ybf) {
vp9_free_frame_buffer(ybf);
return vp9_realloc_frame_buffer(ybf, width, height, ss_x, ss_y,
#if CONFIG_VP9_HIGHBITDEPTH
use_highbitdepth,
#endif
border, NULL, NULL, NULL);
border, byte_alignment, NULL, NULL, NULL);
}
return -2;
}

6
vpx_scale/yv12config.h
View File

@ -73,9 +73,10 @@ int vp9_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
#if CONFIG_VP9_HIGHBITDEPTH
int use_highbitdepth,
#endif
int border);
int border, int byte_alignment);
// Updates the yv12 buffer config with the frame buffer. If cb is not
// Updates the yv12 buffer config with the frame buffer. |byte_alignment| must
// be a power of 2, from 32 to 1024. 0 sets legacy alignment. If cb is not
// NULL, then libvpx is using the frame buffer callbacks to handle memory.
// If cb is not NULL, libvpx will call cb with minimum size in bytes needed
// to decode the current frame. If cb is NULL, libvpx will allocate memory
@ -87,6 +88,7 @@ int vp9_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
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);