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aomedia/aom/442b96c06d60b538b2b1cc14b0141ceb30e6ff78/./test/error_resilience_test.cc
blob: 84330d6236dea697087549feadd2e2790a559e34 [file]
/*
* 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/i420_video_source.h"
#include "test/util.h"
namespace {
const int kMaxErrorFrames = 12;
const int kMaxInvisibleErrorFrames = 12;
const int kMaxDroppableFrames = 12;
const int kMaxErrorResilientFrames = 12;
const int kMaxNoMFMVFrames = 12;
const int kMaxPrimRefNoneFrames = 12;
const int kMaxSFrames = 12;
const int kCpuUsed = 1;
class ErrorResilienceTestLarge
: public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int>,
public ::libaom_test::EncoderTest {
protected:
ErrorResilienceTestLarge()
: EncoderTest(GET_PARAM(0)), psnr_(0.0), nframes_(0), mismatch_psnr_(0.0),
mismatch_nframes_(0), encoding_mode_(GET_PARAM(1)), allow_mismatch_(0),
enable_altref_(GET_PARAM(2)) {
Reset();
}
virtual ~ErrorResilienceTestLarge() {}
void Reset() {
error_nframes_ = 0;
invisible_error_nframes_ = 0;
droppable_nframes_ = 0;
error_resilient_nframes_ = 0;
nomfmv_nframes_ = 0;
prim_ref_none_nframes_ = 0;
s_nframes_ = 0;
}
void SetupEncoder(int bitrate, int lag) {
const aom_rational timebase = { 33333333, 1000000000 };
cfg_.g_timebase = timebase;
cfg_.rc_target_bitrate = bitrate;
cfg_.kf_mode = AOM_KF_DISABLED;
cfg_.g_lag_in_frames = lag;
init_flags_ = AOM_CODEC_USE_PSNR;
}
virtual void SetUp() { InitializeConfig(encoding_mode_); }
virtual void BeginPassHook(unsigned int /*pass*/) {
psnr_ = 0.0;
nframes_ = 0;
decoded_nframes_ = 0;
mismatch_psnr_ = 0.0;
mismatch_nframes_ = 0;
}
virtual void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) {
psnr_ += pkt->data.psnr.psnr[0];
nframes_++;
}
virtual void PreEncodeFrameHook(libaom_test::VideoSource *video,
libaom_test::Encoder *encoder) {
if (video->frame() == 0) {
encoder->Control(AOME_SET_CPUUSED, kCpuUsed);
encoder->Control(AOME_SET_ENABLEAUTOALTREF, enable_altref_);
}
frame_flags_ &=
~(AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF |
AOM_EFLAG_NO_REF_FRAME_MVS | AOM_EFLAG_ERROR_RESILIENT |
AOM_EFLAG_SET_S_FRAME | AOM_EFLAG_SET_PRIMARY_REF_NONE);
if (droppable_nframes_ > 0 &&
(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
for (unsigned int i = 0; i < droppable_nframes_; ++i) {
if (droppable_frames_[i] == video->frame()) {
std::cout << " Encoding droppable frame: "
<< droppable_frames_[i] << "\n";
frame_flags_ |= (AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF |
AOM_EFLAG_NO_UPD_ARF);
break;
}
}
}
if (error_resilient_nframes_ > 0 &&
(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
for (unsigned int i = 0; i < error_resilient_nframes_; ++i) {
if (error_resilient_frames_[i] == video->frame()) {
std::cout << " Encoding error_resilient frame: "
<< error_resilient_frames_[i] << "\n";
frame_flags_ |= AOM_EFLAG_ERROR_RESILIENT;
break;
}
}
}
if (nomfmv_nframes_ > 0 &&
(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
for (unsigned int i = 0; i < nomfmv_nframes_; ++i) {
if (nomfmv_frames_[i] == video->frame()) {
std::cout << " Encoding no mfmv frame: "
<< nomfmv_frames_[i] << "\n";
frame_flags_ |= AOM_EFLAG_NO_REF_FRAME_MVS;
break;
}
}
}
if (prim_ref_none_nframes_ > 0 &&
(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
for (unsigned int i = 0; i < prim_ref_none_nframes_; ++i) {
if (prim_ref_none_frames_[i] == video->frame()) {
std::cout << " Encoding no PRIMARY_REF_NONE frame: "
<< prim_ref_none_frames_[i] << "\n";
frame_flags_ |= AOM_EFLAG_SET_PRIMARY_REF_NONE;
break;
}
}
}
encoder->Control(AV1E_SET_S_FRAME_MODE, 0);
if (s_nframes_ > 0 &&
(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
for (unsigned int i = 0; i < s_nframes_; ++i) {
if (s_frames_[i] == video->frame()) {
std::cout << " Encoding S frame: " << s_frames_[i]
<< "\n";
frame_flags_ |= AOM_EFLAG_SET_S_FRAME;
break;
}
}
}
}
virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) {
// Check that the encode frame flags are correctly reflected
// in the output frame flags.
const int encode_flags = pkt->data.frame.flags >> 16;
if ((encode_flags & (AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF |
AOM_EFLAG_NO_UPD_ARF)) ==
(AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF)) {
ASSERT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_DROPPABLE,
AOM_FRAME_IS_DROPPABLE);
}
if (encode_flags & AOM_EFLAG_SET_S_FRAME) {
ASSERT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_SWITCH,
AOM_FRAME_IS_SWITCH);
}
if (encode_flags & AOM_EFLAG_ERROR_RESILIENT) {
ASSERT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_ERROR_RESILIENT,
AOM_FRAME_IS_ERROR_RESILIENT);
}
}
double GetAveragePsnr() const {
if (nframes_) return psnr_ / nframes_;
return 0.0;
}
double GetAverageMismatchPsnr() const {
if (mismatch_nframes_) return mismatch_psnr_ / mismatch_nframes_;
return 0.0;
}
virtual bool DoDecode() const {
if (error_nframes_ > 0 &&
(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
for (unsigned int i = 0; i < error_nframes_; ++i) {
if (error_frames_[i] == nframes_ - 1) {
std::cout << " Skipping decoding frame: "
<< error_frames_[i] << "\n";
return 0;
}
}
}
return 1;
}
virtual bool DoDecodeInvisible() const {
if (invisible_error_nframes_ > 0 &&
(cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
for (unsigned int i = 0; i < invisible_error_nframes_; ++i) {
if (invisible_error_frames_[i] == nframes_ - 1) {
std::cout << " Skipping decoding all invisible frames in "
"frame pkt: "
<< invisible_error_frames_[i] << "\n";
return 0;
}
}
}
return 1;
}
virtual void MismatchHook(const aom_image_t *img1, const aom_image_t *img2) {
if (allow_mismatch_) {
double mismatch_psnr = compute_psnr(img1, img2);
mismatch_psnr_ += mismatch_psnr;
++mismatch_nframes_;
// std::cout << "Mismatch frame psnr: " << mismatch_psnr << "\n";
} else {
::libaom_test::EncoderTest::MismatchHook(img1, img2);
}
}
virtual void DecompressedFrameHook(const aom_image_t &img,
aom_codec_pts_t pts) {
(void)img;
(void)pts;
++decoded_nframes_;
}
void SetErrorFrames(int num, unsigned int *list) {
if (num > kMaxErrorFrames)
num = kMaxErrorFrames;
else if (num < 0)
num = 0;
error_nframes_ = num;
for (unsigned int i = 0; i < error_nframes_; ++i)
error_frames_[i] = list[i];
}
void SetInvisibleErrorFrames(int num, unsigned int *list) {
if (num > kMaxInvisibleErrorFrames)
num = kMaxInvisibleErrorFrames;
else if (num < 0)
num = 0;
invisible_error_nframes_ = num;
for (unsigned int i = 0; i < invisible_error_nframes_; ++i)
invisible_error_frames_[i] = list[i];
}
void SetDroppableFrames(int num, unsigned int *list) {
if (num > kMaxDroppableFrames)
num = kMaxDroppableFrames;
else if (num < 0)
num = 0;
droppable_nframes_ = num;
for (unsigned int i = 0; i < droppable_nframes_; ++i)
droppable_frames_[i] = list[i];
}
void SetErrorResilientFrames(int num, unsigned int *list) {
if (num > kMaxErrorResilientFrames)
num = kMaxErrorResilientFrames;
else if (num < 0)
num = 0;
error_resilient_nframes_ = num;
for (unsigned int i = 0; i < error_resilient_nframes_; ++i)
error_resilient_frames_[i] = list[i];
}
void SetNoMFMVFrames(int num, unsigned int *list) {
if (num > kMaxNoMFMVFrames)
num = kMaxNoMFMVFrames;
else if (num < 0)
num = 0;
nomfmv_nframes_ = num;
for (unsigned int i = 0; i < nomfmv_nframes_; ++i)
nomfmv_frames_[i] = list[i];
}
void SetPrimaryRefNoneFrames(int num, unsigned int *list) {
if (num > kMaxPrimRefNoneFrames)
num = kMaxPrimRefNoneFrames;
else if (num < 0)
num = 0;
prim_ref_none_nframes_ = num;
for (unsigned int i = 0; i < prim_ref_none_nframes_; ++i)
prim_ref_none_frames_[i] = list[i];
}
void SetSFrames(int num, unsigned int *list) {
if (num > kMaxSFrames)
num = kMaxSFrames;
else if (num < 0)
num = 0;
s_nframes_ = num;
for (unsigned int i = 0; i < s_nframes_; ++i) s_frames_[i] = list[i];
}
unsigned int GetMismatchFrames() { return mismatch_nframes_; }
unsigned int GetEncodedFrames() { return nframes_; }
unsigned int GetDecodedFrames() { return decoded_nframes_; }
void SetAllowMismatch(int allow) { allow_mismatch_ = allow; }
private:
double psnr_;
unsigned int nframes_;
unsigned int decoded_nframes_;
unsigned int error_nframes_;
unsigned int invisible_error_nframes_;
unsigned int droppable_nframes_;
unsigned int error_resilient_nframes_;
unsigned int nomfmv_nframes_;
unsigned int prim_ref_none_nframes_;
unsigned int s_nframes_;
double mismatch_psnr_;
unsigned int mismatch_nframes_;
unsigned int error_frames_[kMaxErrorFrames];
unsigned int invisible_error_frames_[kMaxInvisibleErrorFrames];
unsigned int droppable_frames_[kMaxDroppableFrames];
unsigned int error_resilient_frames_[kMaxErrorResilientFrames];
unsigned int nomfmv_frames_[kMaxNoMFMVFrames];
unsigned int prim_ref_none_frames_[kMaxPrimRefNoneFrames];
unsigned int s_frames_[kMaxSFrames];
libaom_test::TestMode encoding_mode_;
int allow_mismatch_;
int enable_altref_;
};
TEST_P(ErrorResilienceTestLarge, OnVersusOff) {
SetupEncoder(2000, 10);
libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
cfg_.g_timebase.den, cfg_.g_timebase.num,
0, 12);
// Global error resilient mode OFF.
cfg_.g_error_resilient = 0;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
const double psnr_resilience_off = GetAveragePsnr();
EXPECT_GT(psnr_resilience_off, 25.0);
Reset();
// Error resilient mode ON for certain frames
unsigned int num_error_resilient_frames = 5;
unsigned int error_resilient_frame_list[] = { 3, 5, 6, 9, 11 };
SetErrorResilientFrames(num_error_resilient_frames,
error_resilient_frame_list);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
const double psnr_resilience_on = GetAveragePsnr();
EXPECT_GT(psnr_resilience_on, 25.0);
// Test that turning on error resilient mode hurts by 10% at most.
if (psnr_resilience_off > 0.0) {
const double psnr_ratio = psnr_resilience_on / psnr_resilience_off;
EXPECT_GE(psnr_ratio, 0.9);
EXPECT_LE(psnr_ratio, 1.1);
}
}
// Check for successful decoding and no encoder/decoder mismatch
// if we lose (i.e., drop before decoding) a set of droppable
// frames (i.e., frames that don't update any reference buffers).
TEST_P(ErrorResilienceTestLarge, DropFramesWithoutRecovery) {
if (GET_PARAM(1) == ::libaom_test::kOnePassGood && GET_PARAM(2) == 1) {
fprintf(stderr, "Skipping test case #1 because of bug aomedia:3002\n");
return;
}
SetupEncoder(500, 10);
libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
cfg_.g_timebase.den, cfg_.g_timebase.num,
0, 20);
// Set an arbitrary set of error frames same as droppable frames.
unsigned int num_droppable_frames = 3;
unsigned int droppable_frame_list[] = { 5, 11, 13 };
SetDroppableFrames(num_droppable_frames, droppable_frame_list);
SetErrorFrames(num_droppable_frames, droppable_frame_list);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
// Test that no mismatches have been found
std::cout << " Encoded frames: " << GetEncodedFrames() << "\n";
std::cout << " Decoded frames: " << GetDecodedFrames() << "\n";
std::cout << " Mismatch frames: " << GetMismatchFrames() << "\n";
EXPECT_EQ(GetEncodedFrames() - GetDecodedFrames(), num_droppable_frames);
}
// Check for ParseAbility property of an error-resilient frame.
// Encode a frame in error-resilient mode (E-frame), and disallow all
// subsequent frames from using MFMV. If frames are dropped before the
// E frame, all frames starting from the E frame should be parse-able.
TEST_P(ErrorResilienceTestLarge, ParseAbilityTest) {
SetupEncoder(500, 10);
libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
cfg_.g_timebase.den, cfg_.g_timebase.num,
0, 15);
SetAllowMismatch(1);
// Note that an E-frame cannot be forced on a frame that is a
// show_existing_frame, or a frame that comes directly after an invisible
// frame. Currently, this will cause an assertion failure.
// Set an arbitrary error resilient (E) frame
unsigned int num_error_resilient_frames = 1;
unsigned int error_resilient_frame_list[] = { 8 };
SetErrorResilientFrames(num_error_resilient_frames,
error_resilient_frame_list);
// Ensure that any invisible frames before the E frame are dropped
SetInvisibleErrorFrames(num_error_resilient_frames,
error_resilient_frame_list);
// Set all frames after the error resilient frame to not allow MFMV
unsigned int num_post_error_resilient_frames = 6;
unsigned int post_error_resilient_frame_list[] = { 9, 10, 11, 12, 13, 14 };
SetNoMFMVFrames(num_post_error_resilient_frames,
post_error_resilient_frame_list);
// Set a few frames before the E frame that are lost (not decoded)
unsigned int num_error_frames = 5;
unsigned int error_frame_list[] = { 3, 4, 5, 6, 7 };
SetErrorFrames(num_error_frames, error_frame_list);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
std::cout << " Encoded frames: " << GetEncodedFrames() << "\n";
std::cout << " Decoded frames: " << GetDecodedFrames() << "\n";
std::cout << " Mismatch frames: " << GetMismatchFrames() << "\n";
EXPECT_EQ(GetEncodedFrames() - GetDecodedFrames(), num_error_frames);
// All frames following the E-frame and the E-frame are expected to have
// mismatches, but still be parse-able.
EXPECT_LE(GetMismatchFrames(), num_post_error_resilient_frames + 1);
}
// Check for ParseAbility property of an S frame.
// Encode an S-frame. If frames are dropped before the S-frame, all frames
// starting from the S frame should be parse-able.
TEST_P(ErrorResilienceTestLarge, SFrameTest) {
SetupEncoder(500, 10);
libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
cfg_.g_timebase.den, cfg_.g_timebase.num,
0, 15);
SetAllowMismatch(1);
// Note that an S-frame cannot be forced on a frame that is a
// show_existing_frame. This issue still needs to be addressed.
// Set an arbitrary S-frame
unsigned int num_s_frames = 1;
unsigned int s_frame_list[] = { 6 };
SetSFrames(num_s_frames, s_frame_list);
// Ensure that any invisible frames before the S frame are dropped
SetInvisibleErrorFrames(num_s_frames, s_frame_list);
// Set a few frames before the S frame that are lost (not decoded)
unsigned int num_error_frames = 4;
unsigned int error_frame_list[] = { 2, 3, 4, 5 };
SetErrorFrames(num_error_frames, error_frame_list);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
std::cout << " Encoded frames: " << GetEncodedFrames() << "\n";
std::cout << " Decoded frames: " << GetDecodedFrames() << "\n";
std::cout << " Mismatch frames: " << GetMismatchFrames() << "\n";
EXPECT_EQ(GetEncodedFrames() - GetDecodedFrames(), num_error_frames);
// All frames following the S-frame and the S-frame are expected to have
// mismatches, but still be parse-able.
EXPECT_LE(GetMismatchFrames(), GetEncodedFrames() - s_frame_list[0]);
}
AV1_INSTANTIATE_TEST_SUITE(ErrorResilienceTestLarge, NONREALTIME_TEST_MODES,
::testing::Values(0, 1));
} // namespace