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Import aom library

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This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
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trav90 2018-10-15 21:45:30 -05:00 • committed by Roy Tam
commit edc8d83307
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third_party/aom/test/arf_freq_test.cc vendored Normal file
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/*
* 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 "third_party/googletest/src/googletest/include/gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/util.h"
#include "test/y4m_video_source.h"
#include "test/yuv_video_source.h"
#include "av1/encoder/ratectrl.h"
namespace {
const unsigned int kFrames = 100;
const int kBitrate = 500;
#define ARF_NOT_SEEN 1000001
#define ARF_SEEN_ONCE 1000000
typedef struct {
const char *filename;
unsigned int width;
unsigned int height;
unsigned int framerate_num;
unsigned int framerate_den;
unsigned int input_bit_depth;
aom_img_fmt fmt;
aom_bit_depth_t bit_depth;
unsigned int profile;
} TestVideoParam;
typedef struct {
libaom_test::TestMode mode;
int cpu_used;
} TestEncodeParam;
const TestVideoParam kTestVectors[] = {
// artificially increase framerate to trigger default check
{ "hantro_collage_w352h288.yuv", 352, 288, 5000, 1, 8, AOM_IMG_FMT_I420,
AOM_BITS_8, 0 },
{ "hantro_collage_w352h288.yuv", 352, 288, 30, 1, 8, AOM_IMG_FMT_I420,
AOM_BITS_8, 0 },
{ "rush_hour_444.y4m", 352, 288, 30, 1, 8, AOM_IMG_FMT_I444, AOM_BITS_8, 1 },
#if CONFIG_HIGHBITDEPTH
// Add list of profile 2/3 test videos here ...
#endif // CONFIG_HIGHBITDEPTH
};
const TestEncodeParam kEncodeVectors[] = {
{ ::libaom_test::kOnePassGood, 2 }, { ::libaom_test::kOnePassGood, 5 },
{ ::libaom_test::kTwoPassGood, 1 }, { ::libaom_test::kTwoPassGood, 2 },
{ ::libaom_test::kTwoPassGood, 5 }, { ::libaom_test::kRealTime, 5 },
};
const int kMinArfVectors[] = {
// NOTE: 0 refers to the default built-in logic in:
// av1_rc_get_default_min_gf_interval(...)
0, 4, 8, 12, 15
};
int is_extension_y4m(const char *filename) {
const char *dot = strrchr(filename, '.');
if (!dot || dot == filename)
return 0;
else
return !strcmp(dot, ".y4m");
}
class ArfFreqTestLarge
: public ::libaom_test::EncoderTest,
public ::libaom_test::CodecTestWith3Params<TestVideoParam,
TestEncodeParam, int> {
protected:
ArfFreqTestLarge()
: EncoderTest(GET_PARAM(0)), test_video_param_(GET_PARAM(1)),
test_encode_param_(GET_PARAM(2)), min_arf_requested_(GET_PARAM(3)) {}
virtual ~ArfFreqTestLarge() {}
virtual void SetUp() {
InitializeConfig();
SetMode(test_encode_param_.mode);
if (test_encode_param_.mode != ::libaom_test::kRealTime) {
cfg_.g_lag_in_frames = 25;
cfg_.rc_end_usage = AOM_VBR;
} else {
cfg_.g_lag_in_frames = 0;
cfg_.rc_end_usage = AOM_CBR;
cfg_.rc_buf_sz = 1000;
cfg_.rc_buf_initial_sz = 500;
cfg_.rc_buf_optimal_sz = 600;
}
dec_cfg_.threads = 4;
}
virtual void BeginPassHook(unsigned int) {
min_run_ = ARF_NOT_SEEN;
run_of_visible_frames_ = 0;
}
int GetNumFramesInPkt(const aom_codec_cx_pkt_t *pkt) {
const uint8_t *buffer = reinterpret_cast<uint8_t *>(pkt->data.frame.buf);
const uint8_t marker = buffer[pkt->data.frame.sz - 1];
const int mag = ((marker >> 3) & 3) + 1;
int frames = (marker & 0x7) + 1;
const unsigned int index_sz = 2 + mag * frames;
// Check for superframe or not.
// Assume superframe has only one visible frame, the rest being
// invisible. If superframe index is not found, then there is only
// one frame.
if (!((marker & 0xe0) == 0xc0 && pkt->data.frame.sz >= index_sz &&
buffer[pkt->data.frame.sz - index_sz] == marker)) {
frames = 1;
}
return frames;
}
virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) {
if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) return;
const int frames = GetNumFramesInPkt(pkt);
if (frames == 1) {
run_of_visible_frames_++;
} else if (frames == 2) {
if (min_run_ == ARF_NOT_SEEN) {
min_run_ = ARF_SEEN_ONCE;
} else if (min_run_ == ARF_SEEN_ONCE ||
run_of_visible_frames_ < min_run_) {
min_run_ = run_of_visible_frames_;
}
run_of_visible_frames_ = 1;
} else {
min_run_ = 0;
run_of_visible_frames_ = 1;
}
}
virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
::libaom_test::Encoder *encoder) {
if (video->frame() == 0) {
encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
encoder->Control(AV1E_SET_TILE_COLUMNS, 4);
encoder->Control(AOME_SET_CPUUSED, test_encode_param_.cpu_used);
encoder->Control(AV1E_SET_MIN_GF_INTERVAL, min_arf_requested_);
if (test_encode_param_.mode != ::libaom_test::kRealTime) {
encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
}
}
}
int GetMinVisibleRun() const { return min_run_; }
int GetMinArfDistanceRequested() const {
if (min_arf_requested_)
return min_arf_requested_;
else
return av1_rc_get_default_min_gf_interval(
test_video_param_.width, test_video_param_.height,
(double)test_video_param_.framerate_num /
test_video_param_.framerate_den);
}
TestVideoParam test_video_param_;
TestEncodeParam test_encode_param_;
private:
int min_arf_requested_;
int min_run_;
int run_of_visible_frames_;
};
TEST_P(ArfFreqTestLarge, MinArfFreqTest) {
cfg_.rc_target_bitrate = kBitrate;
cfg_.g_error_resilient = 0;
cfg_.g_profile = test_video_param_.profile;
cfg_.g_input_bit_depth = test_video_param_.input_bit_depth;
cfg_.g_bit_depth = test_video_param_.bit_depth;
init_flags_ = AOM_CODEC_USE_PSNR;
if (cfg_.g_bit_depth > 8) init_flags_ |= AOM_CODEC_USE_HIGHBITDEPTH;
testing::internal::scoped_ptr<libaom_test::VideoSource> video;
if (is_extension_y4m(test_video_param_.filename)) {
video.reset(new libaom_test::Y4mVideoSource(test_video_param_.filename, 0,
kFrames));
} else {
video.reset(new libaom_test::YUVVideoSource(
test_video_param_.filename, test_video_param_.fmt,
test_video_param_.width, test_video_param_.height,
test_video_param_.framerate_num, test_video_param_.framerate_den, 0,
kFrames));
}
ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
const int min_run = GetMinVisibleRun();
const int min_arf_dist_requested = GetMinArfDistanceRequested();
if (min_run != ARF_NOT_SEEN && min_run != ARF_SEEN_ONCE) {
const int min_arf_dist = min_run + 1;
EXPECT_GE(min_arf_dist, min_arf_dist_requested);
}
}
#if CONFIG_HIGHBITDEPTH || CONFIG_EXT_REFS
#if CONFIG_AV1_ENCODER
// TODO(angiebird): 25-29 fail in high bitdepth mode.
// TODO(zoeliu): This ArfFreqTest does not work with BWDREF_FRAME, as
// BWDREF_FRAME is also a non-show frame, and the minimum run between two
// consecutive BWDREF_FRAME's may vary between 1 and any arbitrary positive
// number as long as it does not exceed the gf_group interval.
INSTANTIATE_TEST_CASE_P(
DISABLED_AV1, ArfFreqTestLarge,
::testing::Combine(
::testing::Values(
static_cast<const libaom_test::CodecFactory *>(&libaom_test::kAV1)),
::testing::ValuesIn(kTestVectors), ::testing::ValuesIn(kEncodeVectors),
::testing::ValuesIn(kMinArfVectors)));
#endif // CONFIG_AV1_ENCODER
#else
AV1_INSTANTIATE_TEST_CASE(ArfFreqTestLarge, ::testing::ValuesIn(kTestVectors),
::testing::ValuesIn(kEncodeVectors),
::testing::ValuesIn(kMinArfVectors));
#endif // CONFIG_HIGHBITDEPTH || CONFIG_EXT_REFS
} // namespace