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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <utility>
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "media/base/fake_demuxer_stream.h"
#include "media/base/gmock_callback_support.h"
#include "media/base/mock_filters.h"
#include "media/base/test_helpers.h"
#include "media/base/timestamp_constants.h"
#include "media/filters/decoder_stream.h"
#include "media/filters/fake_video_decoder.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::_;
using ::testing::AnyNumber;
using ::testing::Assign;
using ::testing::Invoke;
using ::testing::InvokeWithoutArgs;
using ::testing::NiceMock;
using ::testing::Return;
using ::testing::SaveArg;
using ::testing::StrictMock;
static const int kNumConfigs = 4;
static const int kNumBuffersInOneConfig = 5;
namespace media {
struct VideoFrameStreamTestParams {
VideoFrameStreamTestParams(bool is_encrypted,
int decoding_delay,
int parallel_decoding)
: is_encrypted(is_encrypted),
decoding_delay(decoding_delay),
parallel_decoding(parallel_decoding) {}
bool is_encrypted;
int decoding_delay;
int parallel_decoding;
};
class VideoFrameStreamTest
: public testing::Test,
public testing::WithParamInterface<VideoFrameStreamTestParams> {
public:
VideoFrameStreamTest()
: demuxer_stream_(new FakeDemuxerStream(kNumConfigs,
kNumBuffersInOneConfig,
GetParam().is_encrypted)),
cdm_context_(new StrictMock<MockCdmContext>()),
decryptor_(new NiceMock<MockDecryptor>()),
decoder1_(
new FakeVideoDecoder(GetParam().decoding_delay,
GetParam().parallel_decoding,
base::Bind(
&VideoFrameStreamTest::OnBytesDecoded,
base::Unretained(this)))),
decoder2_(
new FakeVideoDecoder(GetParam().decoding_delay,
GetParam().parallel_decoding,
base::Bind(
&VideoFrameStreamTest::OnBytesDecoded,
base::Unretained(this)))),
decoder3_(
new FakeVideoDecoder(GetParam().decoding_delay,
GetParam().parallel_decoding,
base::Bind(
&VideoFrameStreamTest::OnBytesDecoded,
base::Unretained(this)))),
is_initialized_(false),
num_decoded_frames_(0),
pending_initialize_(false),
pending_read_(false),
pending_reset_(false),
pending_stop_(false),
num_decoded_bytes_unreported_(0),
has_no_key_(false) {
ScopedVector<VideoDecoder> decoders;
decoders.push_back(decoder1_);
decoders.push_back(decoder2_);
decoders.push_back(decoder3_);
video_frame_stream_.reset(new VideoFrameStream(
message_loop_.task_runner(), std::move(decoders), new MediaLog()));
EXPECT_CALL(*cdm_context_, GetDecryptor())
.WillRepeatedly(Return(decryptor_.get()));
// Decryptor can only decrypt (not decrypt-and-decode) so that
// DecryptingDemuxerStream will be used.
EXPECT_CALL(*decryptor_, InitializeVideoDecoder(_, _))
.WillRepeatedly(RunCallback<1>(false));
EXPECT_CALL(*decryptor_, Decrypt(_, _, _))
.WillRepeatedly(Invoke(this, &VideoFrameStreamTest::Decrypt));
}
~VideoFrameStreamTest() {
// Check that the pipeline statistics callback was fired correctly.
EXPECT_EQ(num_decoded_bytes_unreported_, 0);
is_initialized_ = false;
decoder1_ = NULL;
decoder2_ = NULL;
decoder3_ = NULL;
video_frame_stream_.reset();
message_loop_.RunUntilIdle();
DCHECK(!pending_initialize_);
DCHECK(!pending_read_);
DCHECK(!pending_reset_);
DCHECK(!pending_stop_);
}
MOCK_METHOD1(OnNewSpliceBuffer, void(base::TimeDelta));
MOCK_METHOD0(OnWaitingForDecryptionKey, void(void));
void OnStatistics(const PipelineStatistics& statistics) {
num_decoded_bytes_unreported_ -= statistics.video_bytes_decoded;
}
void OnBytesDecoded(int count) {
num_decoded_bytes_unreported_ += count;
}
void OnInitialized(bool success) {
DCHECK(!pending_read_);
DCHECK(!pending_reset_);
DCHECK(pending_initialize_);
pending_initialize_ = false;
is_initialized_ = success;
if (!success) {
decoder1_ = NULL;
decoder2_ = NULL;
decoder3_ = NULL;
}
}
void InitializeVideoFrameStream() {
pending_initialize_ = true;
video_frame_stream_->Initialize(
demuxer_stream_.get(), base::Bind(&VideoFrameStreamTest::OnInitialized,
base::Unretained(this)),
cdm_context_.get(),
base::Bind(&VideoFrameStreamTest::OnStatistics, base::Unretained(this)),
base::Bind(&VideoFrameStreamTest::OnWaitingForDecryptionKey,
base::Unretained(this)));
message_loop_.RunUntilIdle();
}
// Fake Decrypt() function used by DecryptingDemuxerStream. It does nothing
// but removes the DecryptConfig to make the buffer unencrypted.
void Decrypt(Decryptor::StreamType stream_type,
const scoped_refptr<DecoderBuffer>& encrypted,
const Decryptor::DecryptCB& decrypt_cb) {
DCHECK(encrypted->decrypt_config());
if (has_no_key_) {
decrypt_cb.Run(Decryptor::kNoKey, NULL);
return;
}
DCHECK_EQ(stream_type, Decryptor::kVideo);
scoped_refptr<DecoderBuffer> decrypted =
DecoderBuffer::CopyFrom(encrypted->data(), encrypted->data_size());
if (encrypted->is_key_frame())
decrypted->set_is_key_frame(true);
decrypted->set_timestamp(encrypted->timestamp());
decrypted->set_duration(encrypted->duration());
decrypt_cb.Run(Decryptor::kSuccess, decrypted);
}
// Callback for VideoFrameStream::Read().
void FrameReady(VideoFrameStream::Status status,
const scoped_refptr<VideoFrame>& frame) {
DCHECK(pending_read_);
frame_read_ = frame;
last_read_status_ = status;
if (frame.get() &&
!frame->metadata()->IsTrue(VideoFrameMetadata::END_OF_STREAM)) {
num_decoded_frames_++;
}
pending_read_ = false;
}
void FrameReadyHoldDemuxer(VideoFrameStream::Status status,
const scoped_refptr<VideoFrame>& frame) {
FrameReady(status, frame);
}
void OnReset() {
DCHECK(!pending_read_);
DCHECK(pending_reset_);
pending_reset_ = false;
}
void ReadOneFrame() {
frame_read_ = NULL;
pending_read_ = true;
video_frame_stream_->Read(base::Bind(
&VideoFrameStreamTest::FrameReady, base::Unretained(this)));
message_loop_.RunUntilIdle();
}
void ReadUntilPending() {
do {
ReadOneFrame();
} while (!pending_read_);
}
void ReadAllFrames() {
do {
ReadOneFrame();
} while (frame_read_.get() &&
!frame_read_->metadata()->IsTrue(
VideoFrameMetadata::END_OF_STREAM));
const int total_num_frames = kNumConfigs * kNumBuffersInOneConfig;
DCHECK_EQ(num_decoded_frames_, total_num_frames);
}
enum PendingState {
NOT_PENDING,
DEMUXER_READ_NORMAL,
DEMUXER_READ_CONFIG_CHANGE,
DECRYPTOR_NO_KEY,
DECODER_INIT,
DECODER_REINIT,
DECODER_DECODE,
DECODER_RESET
};
void EnterPendingState(PendingState state) {
EnterPendingState(state, decoder1_);
}
void EnterPendingState(PendingState state, FakeVideoDecoder* decoder) {
DCHECK_NE(state, NOT_PENDING);
switch (state) {
case DEMUXER_READ_NORMAL:
demuxer_stream_->HoldNextRead();
ReadUntilPending();
break;
case DEMUXER_READ_CONFIG_CHANGE:
demuxer_stream_->HoldNextConfigChangeRead();
ReadUntilPending();
break;
case DECRYPTOR_NO_KEY:
if (GetParam().is_encrypted)
EXPECT_CALL(*this, OnWaitingForDecryptionKey());
has_no_key_ = true;
ReadOneFrame();
break;
case DECODER_INIT:
decoder->HoldNextInit();
InitializeVideoFrameStream();
break;
case DECODER_REINIT:
decoder->HoldNextInit();
ReadUntilPending();
break;
case DECODER_DECODE:
decoder->HoldDecode();
ReadUntilPending();
break;
case DECODER_RESET:
decoder->HoldNextReset();
pending_reset_ = true;
video_frame_stream_->Reset(base::Bind(&VideoFrameStreamTest::OnReset,
base::Unretained(this)));
message_loop_.RunUntilIdle();
break;
case NOT_PENDING:
NOTREACHED();
break;
}
}
void SatisfyPendingCallback(PendingState state) {
SatisfyPendingCallback(state, decoder1_);
}
void SatisfyPendingCallback(PendingState state, FakeVideoDecoder* decoder) {
DCHECK_NE(state, NOT_PENDING);
switch (state) {
case DEMUXER_READ_NORMAL:
case DEMUXER_READ_CONFIG_CHANGE:
demuxer_stream_->SatisfyRead();
break;
// This is only interesting to test during VideoFrameStream destruction.
// There's no need to satisfy a callback.
case DECRYPTOR_NO_KEY:
NOTREACHED();
break;
case DECODER_INIT:
decoder->SatisfyInit();
break;
case DECODER_REINIT:
decoder->SatisfyInit();
break;
case DECODER_DECODE:
decoder->SatisfyDecode();
break;
case DECODER_RESET:
decoder->SatisfyReset();
break;
case NOT_PENDING:
NOTREACHED();
break;
}
message_loop_.RunUntilIdle();
}
void Initialize() {
EnterPendingState(DECODER_INIT);
SatisfyPendingCallback(DECODER_INIT);
}
void Read() {
EnterPendingState(DECODER_DECODE);
SatisfyPendingCallback(DECODER_DECODE);
}
void Reset() {
EnterPendingState(DECODER_RESET);
SatisfyPendingCallback(DECODER_RESET);
}
void ReadUntilDecoderReinitialized(FakeVideoDecoder* decoder) {
EnterPendingState(DECODER_REINIT, decoder);
SatisfyPendingCallback(DECODER_REINIT, decoder);
}
base::MessageLoop message_loop_;
scoped_ptr<VideoFrameStream> video_frame_stream_;
scoped_ptr<FakeDemuxerStream> demuxer_stream_;
scoped_ptr<StrictMock<MockCdmContext>> cdm_context_;
// Use NiceMock since we don't care about most of calls on the decryptor,
// e.g. RegisterNewKeyCB().
scoped_ptr<NiceMock<MockDecryptor>> decryptor_;
// Three decoders are needed to test that decoder fallback can occur more than
// once on a config change. They are owned by |video_frame_stream_|.
FakeVideoDecoder* decoder1_;
FakeVideoDecoder* decoder2_;
FakeVideoDecoder* decoder3_;
bool is_initialized_;
int num_decoded_frames_;
bool pending_initialize_;
bool pending_read_;
bool pending_reset_;
bool pending_stop_;
int num_decoded_bytes_unreported_;
scoped_refptr<VideoFrame> frame_read_;
VideoFrameStream::Status last_read_status_;
// Decryptor has no key to decrypt a frame.
bool has_no_key_;
private:
DISALLOW_COPY_AND_ASSIGN(VideoFrameStreamTest);
};
INSTANTIATE_TEST_CASE_P(
Clear,
VideoFrameStreamTest,
::testing::Values(
VideoFrameStreamTestParams(false, 0, 1),
VideoFrameStreamTestParams(false, 3, 1),
VideoFrameStreamTestParams(false, 7, 1)));
INSTANTIATE_TEST_CASE_P(
Encrypted,
VideoFrameStreamTest,
::testing::Values(
VideoFrameStreamTestParams(true, 7, 1)));
INSTANTIATE_TEST_CASE_P(
Clear_Parallel,
VideoFrameStreamTest,
::testing::Values(
VideoFrameStreamTestParams(false, 0, 3),
VideoFrameStreamTestParams(false, 2, 3)));
TEST_P(VideoFrameStreamTest, Initialization) {
Initialize();
}
TEST_P(VideoFrameStreamTest, DecoderInitializationFails) {
decoder1_->SimulateFailureToInit();
decoder2_->SimulateFailureToInit();
decoder3_->SimulateFailureToInit();
Initialize();
EXPECT_FALSE(is_initialized_);
}
TEST_P(VideoFrameStreamTest, ReadOneFrame) {
Initialize();
Read();
}
TEST_P(VideoFrameStreamTest, ReadAllFrames) {
Initialize();
ReadAllFrames();
}
TEST_P(VideoFrameStreamTest, Read_AfterReset) {
Initialize();
Reset();
Read();
Reset();
Read();
}
TEST_P(VideoFrameStreamTest, Read_BlockedDemuxer) {
Initialize();
demuxer_stream_->HoldNextRead();
ReadOneFrame();
EXPECT_TRUE(pending_read_);
int demuxed_buffers = 0;
// Pass frames from the demuxer to the VideoFrameStream until the first read
// request is satisfied.
while (pending_read_) {
++demuxed_buffers;
demuxer_stream_->SatisfyReadAndHoldNext();
message_loop_.RunUntilIdle();
}
EXPECT_EQ(std::min(GetParam().decoding_delay + 1, kNumBuffersInOneConfig + 1),
demuxed_buffers);
// At this point the stream is waiting on read from the demuxer, but there is
// no pending read from the stream. The stream should be blocked if we try
// reading from it again.
ReadUntilPending();
demuxer_stream_->SatisfyRead();
message_loop_.RunUntilIdle();
EXPECT_FALSE(pending_read_);
}
TEST_P(VideoFrameStreamTest, Read_BlockedDemuxerAndDecoder) {
// Test applies only when the decoder allows multiple parallel requests.
if (GetParam().parallel_decoding == 1)
return;
Initialize();
demuxer_stream_->HoldNextRead();
decoder1_->HoldDecode();
ReadOneFrame();
EXPECT_TRUE(pending_read_);
int demuxed_buffers = 0;
// Pass frames from the demuxer to the VideoFrameStream until the first read
// request is satisfied, while always keeping one decode request pending.
while (pending_read_) {
++demuxed_buffers;
demuxer_stream_->SatisfyReadAndHoldNext();
message_loop_.RunUntilIdle();
// Always keep one decode request pending.
if (demuxed_buffers > 1) {
decoder1_->SatisfySingleDecode();
message_loop_.RunUntilIdle();
}
}
ReadUntilPending();
EXPECT_TRUE(pending_read_);
// Unblocking one decode request should unblock read even when demuxer is
// still blocked.
decoder1_->SatisfySingleDecode();
message_loop_.RunUntilIdle();
EXPECT_FALSE(pending_read_);
// Stream should still be blocked on the demuxer after unblocking the decoder.
decoder1_->SatisfyDecode();
ReadUntilPending();
EXPECT_TRUE(pending_read_);
// Verify that the stream has returned all frames that have been demuxed,
// accounting for the decoder delay.
EXPECT_EQ(demuxed_buffers - GetParam().decoding_delay, num_decoded_frames_);
// Unblocking the demuxer will unblock the stream.
demuxer_stream_->SatisfyRead();
message_loop_.RunUntilIdle();
EXPECT_FALSE(pending_read_);
}
TEST_P(VideoFrameStreamTest, Read_DuringEndOfStreamDecode) {
// Test applies only when the decoder allows multiple parallel requests, and
// they are not satisfied in a single batch.
if (GetParam().parallel_decoding == 1 || GetParam().decoding_delay != 0)
return;
Initialize();
decoder1_->HoldDecode();
// Read all of the frames up to end of stream. Since parallel decoding is
// enabled, the end of stream buffer will be sent to the decoder immediately,
// but we don't satisfy it yet.
for (int configuration = 0; configuration < kNumConfigs; configuration++) {
for (int frame = 0; frame < kNumBuffersInOneConfig; frame++) {
ReadOneFrame();
while (pending_read_) {
decoder1_->SatisfySingleDecode();
message_loop_.RunUntilIdle();
}
}
}
// Read() again. The callback must be delayed until the decode completes.
ReadOneFrame();
ASSERT_TRUE(pending_read_);
// Satisfy decoding of the end of stream buffer. The read should complete.
decoder1_->SatisfySingleDecode();
message_loop_.RunUntilIdle();
ASSERT_FALSE(pending_read_);
EXPECT_EQ(last_read_status_, VideoFrameStream::OK);
// The read output should indicate end of stream.
ASSERT_TRUE(frame_read_.get());
EXPECT_TRUE(
frame_read_->metadata()->IsTrue(VideoFrameMetadata::END_OF_STREAM));
}
// No Reset() before initialization is successfully completed.
TEST_P(VideoFrameStreamTest, Reset_AfterInitialization) {
Initialize();
Reset();
Read();
}
TEST_P(VideoFrameStreamTest, Reset_DuringReinitialization) {
Initialize();
EnterPendingState(DECODER_REINIT);
// VideoDecoder::Reset() is not called when we reset during reinitialization.
pending_reset_ = true;
video_frame_stream_->Reset(
base::Bind(&VideoFrameStreamTest::OnReset, base::Unretained(this)));
SatisfyPendingCallback(DECODER_REINIT);
Read();
}
TEST_P(VideoFrameStreamTest, Reset_AfterReinitialization) {
Initialize();
EnterPendingState(DECODER_REINIT);
SatisfyPendingCallback(DECODER_REINIT);
Reset();
Read();
}
TEST_P(VideoFrameStreamTest, Reset_DuringDemuxerRead_Normal) {
Initialize();
EnterPendingState(DEMUXER_READ_NORMAL);
EnterPendingState(DECODER_RESET);
SatisfyPendingCallback(DEMUXER_READ_NORMAL);
SatisfyPendingCallback(DECODER_RESET);
Read();
}
TEST_P(VideoFrameStreamTest, Reset_DuringDemuxerRead_ConfigChange) {
Initialize();
EnterPendingState(DEMUXER_READ_CONFIG_CHANGE);
EnterPendingState(DECODER_RESET);
SatisfyPendingCallback(DEMUXER_READ_CONFIG_CHANGE);
SatisfyPendingCallback(DECODER_RESET);
Read();
}
TEST_P(VideoFrameStreamTest, Reset_DuringNormalDecoderDecode) {
Initialize();
EnterPendingState(DECODER_DECODE);
EnterPendingState(DECODER_RESET);
SatisfyPendingCallback(DECODER_DECODE);
SatisfyPendingCallback(DECODER_RESET);
Read();
}
TEST_P(VideoFrameStreamTest, Reset_AfterNormalRead) {
Initialize();
Read();
Reset();
Read();
}
TEST_P(VideoFrameStreamTest, Reset_AfterNormalReadWithActiveSplice) {
video_frame_stream_->set_splice_observer(base::Bind(
&VideoFrameStreamTest::OnNewSpliceBuffer, base::Unretained(this)));
Initialize();
// Send buffers with a splice timestamp, which sets the active splice flag.
const base::TimeDelta splice_timestamp = base::TimeDelta();
demuxer_stream_->set_splice_timestamp(splice_timestamp);
EXPECT_CALL(*this, OnNewSpliceBuffer(splice_timestamp)).Times(AnyNumber());
Read();
// Issue an explicit Reset() and clear the splice timestamp.
Reset();
demuxer_stream_->set_splice_timestamp(kNoTimestamp());
// Ensure none of the upcoming calls indicate they have a splice timestamp.
EXPECT_CALL(*this, OnNewSpliceBuffer(_)).Times(0);
Read();
}
TEST_P(VideoFrameStreamTest, Reset_AfterDemuxerRead_ConfigChange) {
Initialize();
EnterPendingState(DEMUXER_READ_CONFIG_CHANGE);
SatisfyPendingCallback(DEMUXER_READ_CONFIG_CHANGE);
Reset();
Read();
}
TEST_P(VideoFrameStreamTest, Reset_AfterEndOfStream) {
Initialize();
ReadAllFrames();
Reset();
num_decoded_frames_ = 0;
demuxer_stream_->SeekToStart();
ReadAllFrames();
}
TEST_P(VideoFrameStreamTest, Reset_DuringNoKeyRead) {
Initialize();
EnterPendingState(DECRYPTOR_NO_KEY);
Reset();
}
// In the following Destroy_* tests, |video_frame_stream_| is destroyed in
// VideoFrameStreamTest dtor.
TEST_P(VideoFrameStreamTest, Destroy_BeforeInitialization) {
}
TEST_P(VideoFrameStreamTest, Destroy_DuringInitialization) {
EnterPendingState(DECODER_INIT);
}
TEST_P(VideoFrameStreamTest, Destroy_AfterInitialization) {
Initialize();
}
TEST_P(VideoFrameStreamTest, Destroy_DuringReinitialization) {
Initialize();
EnterPendingState(DECODER_REINIT);
}
TEST_P(VideoFrameStreamTest, Destroy_AfterReinitialization) {
Initialize();
EnterPendingState(DECODER_REINIT);
SatisfyPendingCallback(DECODER_REINIT);
}
TEST_P(VideoFrameStreamTest, Destroy_DuringDemuxerRead_Normal) {
Initialize();
EnterPendingState(DEMUXER_READ_NORMAL);
}
TEST_P(VideoFrameStreamTest, Destroy_DuringDemuxerRead_ConfigChange) {
Initialize();
EnterPendingState(DEMUXER_READ_CONFIG_CHANGE);
}
TEST_P(VideoFrameStreamTest, Destroy_DuringNormalDecoderDecode) {
Initialize();
EnterPendingState(DECODER_DECODE);
}
TEST_P(VideoFrameStreamTest, Destroy_AfterNormalRead) {
Initialize();
Read();
}
TEST_P(VideoFrameStreamTest, Destroy_AfterConfigChangeRead) {
Initialize();
EnterPendingState(DEMUXER_READ_CONFIG_CHANGE);
SatisfyPendingCallback(DEMUXER_READ_CONFIG_CHANGE);
}
TEST_P(VideoFrameStreamTest, Destroy_DuringDecoderReinitialization) {
Initialize();
EnterPendingState(DECODER_REINIT);
}
TEST_P(VideoFrameStreamTest, Destroy_DuringNoKeyRead) {
Initialize();
EnterPendingState(DECRYPTOR_NO_KEY);
}
TEST_P(VideoFrameStreamTest, Destroy_DuringReset) {
Initialize();
EnterPendingState(DECODER_RESET);
}
TEST_P(VideoFrameStreamTest, Destroy_AfterReset) {
Initialize();
Reset();
}
TEST_P(VideoFrameStreamTest, Destroy_DuringRead_DuringReset) {
Initialize();
EnterPendingState(DECODER_DECODE);
EnterPendingState(DECODER_RESET);
}
TEST_P(VideoFrameStreamTest, Destroy_AfterRead_DuringReset) {
Initialize();
EnterPendingState(DECODER_DECODE);
EnterPendingState(DECODER_RESET);
SatisfyPendingCallback(DECODER_DECODE);
}
TEST_P(VideoFrameStreamTest, Destroy_AfterRead_AfterReset) {
Initialize();
Read();
Reset();
}
TEST_P(VideoFrameStreamTest, DecoderErrorWhenReading) {
Initialize();
EnterPendingState(DECODER_DECODE);
decoder1_->SimulateError();
message_loop_.RunUntilIdle();
ASSERT_FALSE(pending_read_);
ASSERT_EQ(VideoFrameStream::DECODE_ERROR, last_read_status_);
}
TEST_P(VideoFrameStreamTest, DecoderErrorWhenNotReading) {
Initialize();
decoder1_->HoldDecode();
ReadOneFrame();
EXPECT_TRUE(pending_read_);
// Satisfy decode requests until we get the first frame out.
while (pending_read_) {
decoder1_->SatisfySingleDecode();
message_loop_.RunUntilIdle();
}
// Trigger an error in the decoding.
decoder1_->SimulateError();
// The error must surface from Read() as DECODE_ERROR.
while (last_read_status_ == VideoFrameStream::OK) {
ReadOneFrame();
message_loop_.RunUntilIdle();
EXPECT_FALSE(pending_read_);
}
EXPECT_EQ(VideoFrameStream::DECODE_ERROR, last_read_status_);
}
TEST_P(VideoFrameStreamTest, FallbackDecoderSelectedOnFailureToReinitialize) {
Initialize();
decoder1_->SimulateFailureToInit();
ReadUntilDecoderReinitialized(decoder1_);
ASSERT_TRUE(video_frame_stream_->get_previous_decoder_for_testing());
ReadAllFrames();
ASSERT_FALSE(video_frame_stream_->get_previous_decoder_for_testing());
}
TEST_P(VideoFrameStreamTest,
FallbackDecoderSelectedOnFailureToReinitialize_Twice) {
Initialize();
decoder1_->SimulateFailureToInit();
ReadUntilDecoderReinitialized(decoder1_);
ReadOneFrame();
decoder2_->SimulateFailureToInit();
ReadUntilDecoderReinitialized(decoder2_);
ReadAllFrames();
}
TEST_P(VideoFrameStreamTest, DecodeErrorAfterFallbackDecoderSelectionFails) {
Initialize();
decoder1_->SimulateFailureToInit();
decoder2_->SimulateFailureToInit();
decoder3_->SimulateFailureToInit();
ReadUntilDecoderReinitialized(decoder1_);
// The error will surface from Read() as DECODE_ERROR.
while (last_read_status_ == VideoFrameStream::OK) {
ReadOneFrame();
message_loop_.RunUntilIdle();
EXPECT_FALSE(pending_read_);
}
EXPECT_EQ(VideoFrameStream::DECODE_ERROR, last_read_status_);
}
TEST_P(VideoFrameStreamTest, Destroy_DuringFallbackDecoderSelection) {
Initialize();
decoder1_->SimulateFailureToInit();
EnterPendingState(DECODER_REINIT);
decoder2_->HoldNextInit();
SatisfyPendingCallback(DECODER_REINIT);
}
} // namespace media
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