ref: 27a6be1419507d50d00744f7a4ac04e5f2b39aab
dir: /test/vp9_frame_parallel_test.cc/
/*
* 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 <cstdio>
#include <cstdlib>
#include <string>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "./vpx_config.h"
#include "test/codec_factory.h"
#include "test/decode_test_driver.h"
#include "test/ivf_video_source.h"
#include "test/md5_helper.h"
#include "test/util.h"
#if CONFIG_WEBM_IO
#include "test/webm_video_source.h"
#endif
#include "vpx_mem/vpx_mem.h"
namespace {
using std::string;
#if CONFIG_WEBM_IO
struct PauseFileList {
const char *name;
// md5 sum for decoded frames which does not include skipped frames.
const char *expected_md5;
const int pause_frame_num;
};
// Decodes |filename| with |num_threads|. Pause at the specified frame_num,
// seek to next key frame and then continue decoding until the end. Return
// the md5 of the decoded frames which does not include skipped frames.
string DecodeFileWithPause(const string &filename, int num_threads,
int pause_num) {
libvpx_test::WebMVideoSource video(filename);
video.Init();
int in_frames = 0;
int out_frames = 0;
vpx_codec_dec_cfg_t cfg = {0};
cfg.threads = num_threads;
vpx_codec_flags_t flags = 0;
flags |= VPX_CODEC_USE_FRAME_THREADING;
libvpx_test::VP9Decoder decoder(cfg, flags, 0);
libvpx_test::MD5 md5;
video.Begin();
do {
++in_frames;
const vpx_codec_err_t res =
decoder.DecodeFrame(video.cxdata(), video.frame_size());
if (res != VPX_CODEC_OK) {
EXPECT_EQ(VPX_CODEC_OK, res) << decoder.DecodeError();
break;
}
// Pause at specified frame number.
if (in_frames == pause_num) {
// Flush the decoder and then seek to next key frame.
decoder.DecodeFrame(NULL, 0);
video.SeekToNextKeyFrame();
} else {
video.Next();
}
// Flush the decoder at the end of the video.
if (!video.cxdata())
decoder.DecodeFrame(NULL, 0);
libvpx_test::DxDataIterator dec_iter = decoder.GetDxData();
const vpx_image_t *img;
// Get decompressed data
while ((img = dec_iter.Next())) {
++out_frames;
md5.Add(img);
}
} while (video.cxdata() != NULL);
EXPECT_EQ(in_frames, out_frames) <<
"Input frame count does not match output frame count";
return string(md5.Get());
}
void DecodeFilesWithPause(const PauseFileList files[]) {
for (const PauseFileList *iter = files; iter->name != NULL; ++iter) {
SCOPED_TRACE(iter->name);
for (int t = 2; t <= 8; ++t) {
EXPECT_EQ(iter->expected_md5,
DecodeFileWithPause(iter->name, t, iter->pause_frame_num))
<< "threads = " << t;
}
}
}
TEST(VP9MultiThreadedFrameParallel, PauseSeekResume) {
// vp90-2-07-frame_parallel-1.webm is a 40 frame video file with
// one key frame for every ten frames.
static const PauseFileList files[] = {
{ "vp90-2-07-frame_parallel-1.webm",
"6ea7c3875d67252e7caf2bc6e75b36b1", 6 },
{ "vp90-2-07-frame_parallel-1.webm",
"4bb634160c7356a8d7d4299b6dc83a45", 12 },
{ "vp90-2-07-frame_parallel-1.webm",
"89772591e6ef461f9fa754f916c78ed8", 26 },
{ NULL, NULL, 0 },
};
DecodeFilesWithPause(files);
}
struct FileList {
const char *name;
// md5 sum for decoded frames which does not include corrupted frames.
const char *expected_md5;
// Expected number of decoded frames which does not include corrupted frames.
const int expected_frame_count;
};
// Decodes |filename| with |num_threads|. Return the md5 of the decoded
// frames which does not include corrupted frames.
string DecodeFile(const string &filename, int num_threads,
int expected_frame_count) {
libvpx_test::WebMVideoSource video(filename);
video.Init();
vpx_codec_dec_cfg_t cfg = vpx_codec_dec_cfg_t();
cfg.threads = num_threads;
const vpx_codec_flags_t flags = VPX_CODEC_USE_FRAME_THREADING;
libvpx_test::VP9Decoder decoder(cfg, flags, 0);
libvpx_test::MD5 md5;
video.Begin();
int out_frames = 0;
do {
const vpx_codec_err_t res =
decoder.DecodeFrame(video.cxdata(), video.frame_size());
// TODO(hkuang): frame parallel mode should return an error on corruption.
if (res != VPX_CODEC_OK) {
EXPECT_EQ(VPX_CODEC_OK, res) << decoder.DecodeError();
break;
}
video.Next();
// Flush the decoder at the end of the video.
if (!video.cxdata())
decoder.DecodeFrame(NULL, 0);
libvpx_test::DxDataIterator dec_iter = decoder.GetDxData();
const vpx_image_t *img;
// Get decompressed data
while ((img = dec_iter.Next())) {
++out_frames;
md5.Add(img);
}
} while (video.cxdata() != NULL);
EXPECT_EQ(expected_frame_count, out_frames) <<
"Input frame count does not match expected output frame count";
return string(md5.Get());
}
void DecodeFiles(const FileList files[]) {
for (const FileList *iter = files; iter->name != NULL; ++iter) {
SCOPED_TRACE(iter->name);
for (int t = 2; t <= 8; ++t) {
EXPECT_EQ(iter->expected_md5,
DecodeFile(iter->name, t, iter->expected_frame_count))
<< "threads = " << t;
}
}
}
TEST(VP9MultiThreadedFrameParallel, InvalidFileTest) {
static const FileList files[] = {
// invalid-vp90-2-07-frame_parallel-1.webm is a 40 frame video file with
// one key frame for every ten frames. The 11th frame has corrupted data.
{ "invalid-vp90-2-07-frame_parallel-1.webm",
"0549d0f45f60deaef8eb708e6c0eb6cb", 30 },
// invalid-vp90-2-07-frame_parallel-2.webm is a 40 frame video file with
// one key frame for every ten frames. The 1st and 31st frames have
// corrupted data.
{ "invalid-vp90-2-07-frame_parallel-2.webm",
"6a1f3cf6f9e7a364212fadb9580d525e", 20 },
// invalid-vp90-2-07-frame_parallel-3.webm is a 40 frame video file with
// one key frame for every ten frames. The 5th and 13th frames have
// corrupted data.
{ "invalid-vp90-2-07-frame_parallel-3.webm",
"8256544308de926b0681e04685b98677", 27 },
{ NULL, NULL, 0 },
};
DecodeFiles(files);
}
TEST(VP9MultiThreadedFrameParallel, ValidFileTest) {
static const FileList files[] = {
#if CONFIG_VP9_HIGHBITDEPTH
{ "vp92-2-20-10bit-yuv420.webm",
"a16b99df180c584e8db2ffeda987d293", 10 },
#endif
{ NULL, NULL, 0 },
};
DecodeFiles(files);
}
#endif // CONFIG_WEBM_IO
} // namespace