зеркало из https://github.com/mozilla/gecko-dev.git
439 строки
16 KiB
C++
439 строки
16 KiB
C++
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
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#include "test/codec_factory.h"
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#include "test/encode_test_driver.h"
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#include "test/i420_video_source.h"
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#include "test/util.h"
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namespace {
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const int kMaxErrorFrames = 12;
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const int kMaxInvisibleErrorFrames = 12;
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const int kMaxDroppableFrames = 12;
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const int kMaxErrorResilientFrames = 12;
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const int kMaxNoMFMVFrames = 12;
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const int kMaxPrimRefNoneFrames = 12;
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const int kMaxSFrames = 12;
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const int kCpuUsed = 1;
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class ErrorResilienceTestLarge
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: public ::libaom_test::CodecTestWithParam<libaom_test::TestMode>,
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public ::libaom_test::EncoderTest {
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protected:
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ErrorResilienceTestLarge()
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: EncoderTest(GET_PARAM(0)), psnr_(0.0), nframes_(0), mismatch_psnr_(0.0),
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mismatch_nframes_(0), encoding_mode_(GET_PARAM(1)), allow_mismatch_(0) {
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Reset();
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}
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virtual ~ErrorResilienceTestLarge() {}
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void Reset() {
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error_nframes_ = 0;
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invisible_error_nframes_ = 0;
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droppable_nframes_ = 0;
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error_resilient_nframes_ = 0;
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nomfmv_nframes_ = 0;
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prim_ref_none_nframes_ = 0;
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s_nframes_ = 0;
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}
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void SetupEncoder(int bitrate, int lag) {
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const aom_rational timebase = { 33333333, 1000000000 };
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cfg_.g_timebase = timebase;
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cfg_.rc_target_bitrate = bitrate;
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cfg_.kf_mode = AOM_KF_DISABLED;
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cfg_.g_lag_in_frames = lag;
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init_flags_ = AOM_CODEC_USE_PSNR;
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}
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virtual void SetUp() {
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InitializeConfig();
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SetMode(encoding_mode_);
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}
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virtual void BeginPassHook(unsigned int /*pass*/) {
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psnr_ = 0.0;
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nframes_ = 0;
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decoded_nframes_ = 0;
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mismatch_psnr_ = 0.0;
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mismatch_nframes_ = 0;
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}
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virtual void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) {
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psnr_ += pkt->data.psnr.psnr[0];
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nframes_++;
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}
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virtual void PreEncodeFrameHook(libaom_test::VideoSource *video,
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libaom_test::Encoder *encoder) {
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if (video->frame() == 0) encoder->Control(AOME_SET_CPUUSED, kCpuUsed);
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frame_flags_ &=
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~(AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF |
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AOM_EFLAG_NO_REF_FRAME_MVS | AOM_EFLAG_ERROR_RESILIENT |
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AOM_EFLAG_SET_S_FRAME | AOM_EFLAG_SET_PRIMARY_REF_NONE);
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if (droppable_nframes_ > 0 &&
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(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
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for (unsigned int i = 0; i < droppable_nframes_; ++i) {
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if (droppable_frames_[i] == video->frame()) {
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std::cout << " Encoding droppable frame: "
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<< droppable_frames_[i] << "\n";
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frame_flags_ |= (AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF |
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AOM_EFLAG_NO_UPD_ARF);
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break;
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}
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}
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}
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if (error_resilient_nframes_ > 0 &&
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(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
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for (unsigned int i = 0; i < error_resilient_nframes_; ++i) {
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if (error_resilient_frames_[i] == video->frame()) {
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std::cout << " Encoding error_resilient frame: "
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<< error_resilient_frames_[i] << "\n";
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frame_flags_ |= AOM_EFLAG_ERROR_RESILIENT;
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break;
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}
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}
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}
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if (nomfmv_nframes_ > 0 &&
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(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
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for (unsigned int i = 0; i < nomfmv_nframes_; ++i) {
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if (nomfmv_frames_[i] == video->frame()) {
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std::cout << " Encoding no mfmv frame: "
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<< nomfmv_frames_[i] << "\n";
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frame_flags_ |= AOM_EFLAG_NO_REF_FRAME_MVS;
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break;
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}
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}
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}
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if (prim_ref_none_nframes_ > 0 &&
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(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
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for (unsigned int i = 0; i < prim_ref_none_nframes_; ++i) {
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if (prim_ref_none_frames_[i] == video->frame()) {
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std::cout << " Encoding no PRIMARY_REF_NONE frame: "
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<< prim_ref_none_frames_[i] << "\n";
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frame_flags_ |= AOM_EFLAG_SET_PRIMARY_REF_NONE;
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break;
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}
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}
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}
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encoder->Control(AV1E_SET_S_FRAME_MODE, 0);
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if (s_nframes_ > 0 &&
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(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
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for (unsigned int i = 0; i < s_nframes_; ++i) {
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if (s_frames_[i] == video->frame()) {
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std::cout << " Encoding S frame: " << s_frames_[i]
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<< "\n";
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frame_flags_ |= AOM_EFLAG_SET_S_FRAME;
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break;
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}
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}
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}
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}
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double GetAveragePsnr() const {
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if (nframes_) return psnr_ / nframes_;
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return 0.0;
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}
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double GetAverageMismatchPsnr() const {
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if (mismatch_nframes_) return mismatch_psnr_ / mismatch_nframes_;
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return 0.0;
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}
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virtual bool DoDecode() const {
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if (error_nframes_ > 0 &&
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(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
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for (unsigned int i = 0; i < error_nframes_; ++i) {
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if (error_frames_[i] == nframes_ - 1) {
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std::cout << " Skipping decoding frame: "
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<< error_frames_[i] << "\n";
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return 0;
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}
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}
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}
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return 1;
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}
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virtual bool DoDecodeInvisible() const {
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if (invisible_error_nframes_ > 0 &&
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(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
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for (unsigned int i = 0; i < invisible_error_nframes_; ++i) {
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if (invisible_error_frames_[i] == nframes_ - 1) {
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std::cout << " Skipping decoding all invisible frames in "
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"frame pkt: "
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<< invisible_error_frames_[i] << "\n";
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return 0;
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}
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}
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}
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return 1;
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}
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virtual void MismatchHook(const aom_image_t *img1, const aom_image_t *img2) {
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if (allow_mismatch_) {
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double mismatch_psnr = compute_psnr(img1, img2);
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mismatch_psnr_ += mismatch_psnr;
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++mismatch_nframes_;
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// std::cout << "Mismatch frame psnr: " << mismatch_psnr << "\n";
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} else {
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::libaom_test::EncoderTest::MismatchHook(img1, img2);
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}
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}
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virtual void DecompressedFrameHook(const aom_image_t &img,
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aom_codec_pts_t pts) {
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(void)img;
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(void)pts;
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++decoded_nframes_;
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}
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void SetErrorFrames(int num, unsigned int *list) {
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if (num > kMaxErrorFrames)
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num = kMaxErrorFrames;
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else if (num < 0)
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num = 0;
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error_nframes_ = num;
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for (unsigned int i = 0; i < error_nframes_; ++i)
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error_frames_[i] = list[i];
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}
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void SetInvisibleErrorFrames(int num, unsigned int *list) {
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if (num > kMaxInvisibleErrorFrames)
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num = kMaxInvisibleErrorFrames;
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else if (num < 0)
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num = 0;
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invisible_error_nframes_ = num;
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for (unsigned int i = 0; i < invisible_error_nframes_; ++i)
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invisible_error_frames_[i] = list[i];
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}
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void SetDroppableFrames(int num, unsigned int *list) {
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if (num > kMaxDroppableFrames)
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num = kMaxDroppableFrames;
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else if (num < 0)
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num = 0;
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droppable_nframes_ = num;
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for (unsigned int i = 0; i < droppable_nframes_; ++i)
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droppable_frames_[i] = list[i];
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}
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void SetErrorResilientFrames(int num, unsigned int *list) {
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if (num > kMaxErrorResilientFrames)
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num = kMaxErrorResilientFrames;
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else if (num < 0)
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num = 0;
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error_resilient_nframes_ = num;
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for (unsigned int i = 0; i < error_resilient_nframes_; ++i)
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error_resilient_frames_[i] = list[i];
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}
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void SetNoMFMVFrames(int num, unsigned int *list) {
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if (num > kMaxNoMFMVFrames)
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num = kMaxNoMFMVFrames;
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else if (num < 0)
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num = 0;
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nomfmv_nframes_ = num;
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for (unsigned int i = 0; i < nomfmv_nframes_; ++i)
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nomfmv_frames_[i] = list[i];
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}
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void SetPrimaryRefNoneFrames(int num, unsigned int *list) {
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if (num > kMaxPrimRefNoneFrames)
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num = kMaxPrimRefNoneFrames;
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else if (num < 0)
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num = 0;
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prim_ref_none_nframes_ = num;
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for (unsigned int i = 0; i < prim_ref_none_nframes_; ++i)
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prim_ref_none_frames_[i] = list[i];
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}
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void SetSFrames(int num, unsigned int *list) {
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if (num > kMaxSFrames)
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num = kMaxSFrames;
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else if (num < 0)
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num = 0;
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s_nframes_ = num;
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for (unsigned int i = 0; i < s_nframes_; ++i) s_frames_[i] = list[i];
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}
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unsigned int GetMismatchFrames() { return mismatch_nframes_; }
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unsigned int GetEncodedFrames() { return nframes_; }
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unsigned int GetDecodedFrames() { return decoded_nframes_; }
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void SetAllowMismatch(int allow) { allow_mismatch_ = allow; }
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private:
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double psnr_;
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unsigned int nframes_;
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unsigned int decoded_nframes_;
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unsigned int error_nframes_;
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unsigned int invisible_error_nframes_;
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unsigned int droppable_nframes_;
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unsigned int error_resilient_nframes_;
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unsigned int nomfmv_nframes_;
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unsigned int prim_ref_none_nframes_;
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unsigned int s_nframes_;
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double mismatch_psnr_;
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unsigned int mismatch_nframes_;
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unsigned int error_frames_[kMaxErrorFrames];
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unsigned int invisible_error_frames_[kMaxInvisibleErrorFrames];
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unsigned int droppable_frames_[kMaxDroppableFrames];
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unsigned int error_resilient_frames_[kMaxErrorResilientFrames];
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unsigned int nomfmv_frames_[kMaxNoMFMVFrames];
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unsigned int prim_ref_none_frames_[kMaxPrimRefNoneFrames];
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unsigned int s_frames_[kMaxSFrames];
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libaom_test::TestMode encoding_mode_;
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int allow_mismatch_;
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};
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TEST_P(ErrorResilienceTestLarge, OnVersusOff) {
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SetupEncoder(2000, 10);
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libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
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cfg_.g_timebase.den, cfg_.g_timebase.num,
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0, 12);
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// Global error resilient mode OFF.
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cfg_.g_error_resilient = 0;
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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const double psnr_resilience_off = GetAveragePsnr();
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EXPECT_GT(psnr_resilience_off, 25.0);
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Reset();
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// Error resilient mode ON for certain frames
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unsigned int num_error_resilient_frames = 5;
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unsigned int error_resilient_frame_list[] = { 3, 5, 6, 9, 11 };
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SetErrorResilientFrames(num_error_resilient_frames,
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error_resilient_frame_list);
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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const double psnr_resilience_on = GetAveragePsnr();
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EXPECT_GT(psnr_resilience_on, 25.0);
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// Test that turning on error resilient mode hurts by 10% at most.
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if (psnr_resilience_off > 0.0) {
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const double psnr_ratio = psnr_resilience_on / psnr_resilience_off;
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EXPECT_GE(psnr_ratio, 0.9);
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EXPECT_LE(psnr_ratio, 1.1);
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}
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}
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// Check for successful decoding and no encoder/decoder mismatch
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// if we lose (i.e., drop before decoding) a set of droppable
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// frames (i.e., frames that don't update any reference buffers).
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TEST_P(ErrorResilienceTestLarge, DropFramesWithoutRecovery) {
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SetupEncoder(500, 10);
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libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
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cfg_.g_timebase.den, cfg_.g_timebase.num,
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0, 20);
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// Set an arbitrary set of error frames same as droppable frames.
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unsigned int num_droppable_frames = 3;
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unsigned int droppable_frame_list[] = { 5, 10, 13 };
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SetDroppableFrames(num_droppable_frames, droppable_frame_list);
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SetErrorFrames(num_droppable_frames, droppable_frame_list);
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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// Test that no mismatches have been found
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std::cout << " Encoded frames: " << GetEncodedFrames() << "\n";
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std::cout << " Decoded frames: " << GetDecodedFrames() << "\n";
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std::cout << " Mismatch frames: " << GetMismatchFrames() << "\n";
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EXPECT_EQ(GetEncodedFrames() - GetDecodedFrames(), num_droppable_frames);
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}
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// Check for ParseAbility property of an error-resilient frame.
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// Encode a frame in error-resilient mode (E-frame), and disallow all
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// subsequent frames from using MFMV. If frames are dropped before the
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// E frame, all frames starting from the E frame should be parse-able.
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TEST_P(ErrorResilienceTestLarge, ParseAbilityTest) {
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SetupEncoder(500, 10);
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libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
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cfg_.g_timebase.den, cfg_.g_timebase.num,
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0, 15);
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SetAllowMismatch(1);
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// Note that an E-frame cannot be forced on a frame that is a
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// show_existing_frame, or a frame that comes directly after an invisible
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// frame. Currently, this will cause an assertion failure.
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// Set an arbitrary error resilient (E) frame
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unsigned int num_error_resilient_frames = 1;
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unsigned int error_resilient_frame_list[] = { 8 };
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SetErrorResilientFrames(num_error_resilient_frames,
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error_resilient_frame_list);
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// Ensure that any invisible frames before the E frame are dropped
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SetInvisibleErrorFrames(num_error_resilient_frames,
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error_resilient_frame_list);
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// Set all frames after the error resilient frame to not allow MFMV
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unsigned int num_post_error_resilient_frames = 6;
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unsigned int post_error_resilient_frame_list[] = { 9, 10, 11, 12, 13, 14 };
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SetNoMFMVFrames(num_post_error_resilient_frames,
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post_error_resilient_frame_list);
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// Set a few frames before the E frame that are lost (not decoded)
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unsigned int num_error_frames = 5;
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unsigned int error_frame_list[] = { 3, 4, 5, 6, 7 };
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SetErrorFrames(num_error_frames, error_frame_list);
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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std::cout << " Encoded frames: " << GetEncodedFrames() << "\n";
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std::cout << " Decoded frames: " << GetDecodedFrames() << "\n";
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std::cout << " Mismatch frames: " << GetMismatchFrames() << "\n";
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EXPECT_EQ(GetEncodedFrames() - GetDecodedFrames(), num_error_frames);
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// All frames following the E-frame and the E-frame are expected to have
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// mismatches, but still be parse-able.
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EXPECT_LE(GetMismatchFrames(), num_post_error_resilient_frames + 1);
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}
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// Check for ParseAbility property of an S frame.
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// Encode an S-frame. If frames are dropped before the S-frame, all frames
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// starting from the S frame should be parse-able.
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TEST_P(ErrorResilienceTestLarge, SFrameTest) {
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SetupEncoder(500, 10);
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libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
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cfg_.g_timebase.den, cfg_.g_timebase.num,
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0, 15);
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SetAllowMismatch(1);
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// Note that an S-frame cannot be forced on a frame that is a
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// show_existing_frame. This issue still needs to be addressed.
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// Set an arbitrary S-frame
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unsigned int num_s_frames = 1;
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unsigned int s_frame_list[] = { 6 };
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SetSFrames(num_s_frames, s_frame_list);
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// Ensure that any invisible frames before the S frame are dropped
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SetInvisibleErrorFrames(num_s_frames, s_frame_list);
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// Set a few frames before the S frame that are lost (not decoded)
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unsigned int num_error_frames = 4;
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unsigned int error_frame_list[] = { 2, 3, 4, 5 };
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SetErrorFrames(num_error_frames, error_frame_list);
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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std::cout << " Encoded frames: " << GetEncodedFrames() << "\n";
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std::cout << " Decoded frames: " << GetDecodedFrames() << "\n";
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std::cout << " Mismatch frames: " << GetMismatchFrames() << "\n";
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EXPECT_EQ(GetEncodedFrames() - GetDecodedFrames(), num_error_frames);
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// All frames following the S-frame and the S-frame are expected to have
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// mismatches, but still be parse-able.
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EXPECT_LE(GetMismatchFrames(), GetEncodedFrames() - s_frame_list[0]);
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}
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AV1_INSTANTIATE_TEST_CASE(ErrorResilienceTestLarge, NONREALTIME_TEST_MODES);
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} // namespace
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