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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include <deque> |
| 6 |
| 7 #include "base/bind.h" |
| 8 #include "base/message_loop/message_loop.h" |
| 9 #include "base/run_loop.h" |
| 10 #include "media/base/audio_buffer.h" |
| 11 #include "media/base/decoder_buffer.h" |
| 12 #include "media/base/test_data_util.h" |
| 13 #include "media/base/test_helpers.h" |
| 14 #include "media/ffmpeg/ffmpeg_common.h" |
| 15 #include "media/filters/audio_file_reader.h" |
| 16 #include "media/filters/in_memory_url_protocol.h" |
| 17 #include "media/filters/opus_audio_decoder.h" |
| 18 #include "testing/gtest/include/gtest/gtest.h" |
| 19 |
| 20 namespace media { |
| 21 |
| 22 class OpusAudioDecoderTest : public testing::Test { |
| 23 public: |
| 24 OpusAudioDecoderTest() |
| 25 : decoder_(new OpusAudioDecoder(message_loop_.message_loop_proxy())), |
| 26 pending_decode_(false), |
| 27 pending_reset_(false) { |
| 28 // Load the test data file. |
| 29 data_ = ReadTestDataFile("bear-opus.ogg"); |
| 30 protocol_.reset( |
| 31 new InMemoryUrlProtocol(data_->data(), data_->data_size(), false)); |
| 32 reader_.reset(new AudioFileReader(protocol_.get())); |
| 33 reader_->Open(); |
| 34 |
| 35 AudioDecoderConfig config; |
| 36 AVCodecContextToAudioDecoderConfig( |
| 37 reader_->codec_context_for_testing(), false, &config, false); |
| 38 decoder_->Initialize(config, NewExpectedStatusCB(PIPELINE_OK)); |
| 39 base::RunLoop().RunUntilIdle(); |
| 40 } |
| 41 |
| 42 virtual ~OpusAudioDecoderTest() { |
| 43 EXPECT_FALSE(pending_decode_); |
| 44 EXPECT_FALSE(pending_reset_); |
| 45 } |
| 46 |
| 47 protected: |
| 48 void SatisfyPendingDecode() { base::RunLoop().RunUntilIdle(); } |
| 49 |
| 50 void SendEndOfStream() { |
| 51 pending_decode_ = true; |
| 52 decoder_->Decode(DecoderBuffer::CreateEOSBuffer(), |
| 53 base::Bind(&OpusAudioDecoderTest::DecodeFinished, |
| 54 base::Unretained(this))); |
| 55 base::RunLoop().RunUntilIdle(); |
| 56 } |
| 57 |
| 58 void Decode() { |
| 59 pending_decode_ = true; |
| 60 |
| 61 AVPacket packet; |
| 62 ASSERT_TRUE(reader_->ReadPacketForTesting(&packet)); |
| 63 scoped_refptr<DecoderBuffer> buffer = |
| 64 DecoderBuffer::CopyFrom(packet.data, packet.size); |
| 65 buffer->set_timestamp(ConvertFromTimeBase( |
| 66 reader_->codec_context_for_testing()->time_base, packet.pts)); |
| 67 buffer->set_duration(ConvertFromTimeBase( |
| 68 reader_->codec_context_for_testing()->time_base, packet.duration)); |
| 69 decoder_->Decode(buffer, |
| 70 base::Bind(&OpusAudioDecoderTest::DecodeFinished, |
| 71 base::Unretained(this))); |
| 72 av_free_packet(&packet); |
| 73 base::RunLoop().RunUntilIdle(); |
| 74 } |
| 75 |
| 76 void Reset() { |
| 77 pending_reset_ = true; |
| 78 decoder_->Reset(base::Bind(&OpusAudioDecoderTest::ResetFinished, |
| 79 base::Unretained(this))); |
| 80 base::RunLoop().RunUntilIdle(); |
| 81 } |
| 82 |
| 83 void Stop() { |
| 84 decoder_->Stop(); |
| 85 base::RunLoop().RunUntilIdle(); |
| 86 } |
| 87 |
| 88 void DecodeFinished(AudioDecoder::Status status, |
| 89 const scoped_refptr<AudioBuffer>& buffer) { |
| 90 EXPECT_TRUE(pending_decode_); |
| 91 pending_decode_ = false; |
| 92 |
| 93 if (status == AudioDecoder::kNotEnoughData) { |
| 94 EXPECT_TRUE(buffer.get() == NULL); |
| 95 Decode(); |
| 96 return; |
| 97 } |
| 98 |
| 99 decoded_audio_.push_back(buffer); |
| 100 |
| 101 // If we hit a NULL buffer or have a pending reset, we expect an abort. |
| 102 if (buffer.get() == NULL || pending_reset_) { |
| 103 EXPECT_TRUE(buffer.get() == NULL); |
| 104 EXPECT_EQ(status, AudioDecoder::kAborted); |
| 105 return; |
| 106 } |
| 107 |
| 108 EXPECT_EQ(status, AudioDecoder::kOk); |
| 109 } |
| 110 |
| 111 void ResetFinished() { |
| 112 EXPECT_TRUE(pending_reset_); |
| 113 // Reset should always finish after Decode. |
| 114 EXPECT_FALSE(pending_decode_); |
| 115 |
| 116 pending_reset_ = false; |
| 117 } |
| 118 |
| 119 void ExpectDecodedAudio(size_t i, int64 timestamp, int64 duration) { |
| 120 EXPECT_LT(i, decoded_audio_.size()); |
| 121 EXPECT_EQ(timestamp, decoded_audio_[i]->timestamp().InMicroseconds()); |
| 122 EXPECT_EQ(duration, decoded_audio_[i]->duration().InMicroseconds()); |
| 123 EXPECT_FALSE(decoded_audio_[i]->end_of_stream()); |
| 124 } |
| 125 |
| 126 void ExpectEndOfStream(size_t i) { |
| 127 EXPECT_LT(i, decoded_audio_.size()); |
| 128 EXPECT_TRUE(decoded_audio_[i]->end_of_stream()); |
| 129 } |
| 130 |
| 131 size_t decoded_audio_size() const { |
| 132 return decoded_audio_.size(); |
| 133 } |
| 134 |
| 135 private: |
| 136 base::MessageLoop message_loop_; |
| 137 scoped_refptr<DecoderBuffer> data_; |
| 138 scoped_ptr<InMemoryUrlProtocol> protocol_; |
| 139 scoped_ptr<AudioFileReader> reader_; |
| 140 |
| 141 scoped_ptr<OpusAudioDecoder> decoder_; |
| 142 bool pending_decode_; |
| 143 bool pending_reset_; |
| 144 |
| 145 std::deque<scoped_refptr<AudioBuffer> > decoded_audio_; |
| 146 |
| 147 DISALLOW_COPY_AND_ASSIGN(OpusAudioDecoderTest); |
| 148 }; |
| 149 |
| 150 TEST_F(OpusAudioDecoderTest, Initialize) { |
| 151 Stop(); |
| 152 } |
| 153 |
| 154 TEST_F(OpusAudioDecoderTest, ProduceAudioSamples) { |
| 155 Decode(); |
| 156 Decode(); |
| 157 Decode(); |
| 158 |
| 159 ASSERT_EQ(3u, decoded_audio_size()); |
| 160 ExpectDecodedAudio(0, 0, 3500); |
| 161 ExpectDecodedAudio(1, 3500, 10000); |
| 162 ExpectDecodedAudio(2, 13500, 10000); |
| 163 |
| 164 // Call one more time to trigger EOS. |
| 165 SendEndOfStream(); |
| 166 ASSERT_EQ(4u, decoded_audio_size()); |
| 167 ExpectEndOfStream(3); |
| 168 Stop(); |
| 169 } |
| 170 |
| 171 TEST_F(OpusAudioDecoderTest, DecodeAbort) { |
| 172 Decode(); |
| 173 Stop(); |
| 174 } |
| 175 |
| 176 TEST_F(OpusAudioDecoderTest, PendingDecode_Stop) { |
| 177 Decode(); |
| 178 Stop(); |
| 179 SatisfyPendingDecode(); |
| 180 } |
| 181 |
| 182 TEST_F(OpusAudioDecoderTest, PendingDecode_Reset) { |
| 183 Decode(); |
| 184 Reset(); |
| 185 SatisfyPendingDecode(); |
| 186 Stop(); |
| 187 } |
| 188 |
| 189 TEST_F(OpusAudioDecoderTest, PendingDecode_ResetStop) { |
| 190 Decode(); |
| 191 Reset(); |
| 192 Stop(); |
| 193 SatisfyPendingDecode(); |
| 194 } |
| 195 |
| 196 } // namespace media |
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