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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 "media/filters/audio_file_reader.h"
- #include <memory>
- #include "base/hash/md5.h"
- #include "base/time/time.h"
- #include "build/build_config.h"
- #include "media/base/audio_bus.h"
- #include "media/base/audio_hash.h"
- #include "media/base/decoder_buffer.h"
- #include "media/base/test_data_util.h"
- #include "media/ffmpeg/ffmpeg_common.h"
- #include "media/filters/in_memory_url_protocol.h"
- #include "media/media_buildflags.h"
- #include "testing/gtest/include/gtest/gtest.h"
- namespace media {
- class AudioFileReaderTest : public testing::Test {
- public:
- AudioFileReaderTest() : packet_verification_disabled_(false) {}
- AudioFileReaderTest(const AudioFileReaderTest&) = delete;
- AudioFileReaderTest& operator=(const AudioFileReaderTest&) = delete;
- ~AudioFileReaderTest() override = default;
- void Initialize(const char* filename) {
- data_ = ReadTestDataFile(filename);
- protocol_ = std::make_unique<InMemoryUrlProtocol>(
- data_->data(), data_->data_size(), false);
- reader_ = std::make_unique<AudioFileReader>(protocol_.get());
- }
- // Reads and the entire file provided to Initialize().
- void ReadAndVerify(const char* expected_audio_hash, int expected_frames) {
- std::vector<std::unique_ptr<AudioBus>> decoded_audio_packets;
- int actual_frames = reader_->Read(&decoded_audio_packets);
- std::unique_ptr<AudioBus> decoded_audio_data =
- AudioBus::Create(reader_->channels(), actual_frames);
- int dest_start_frame = 0;
- for (size_t k = 0; k < decoded_audio_packets.size(); ++k) {
- const AudioBus* packet = decoded_audio_packets[k].get();
- int frame_count = packet->frames();
- packet->CopyPartialFramesTo(0, frame_count, dest_start_frame,
- decoded_audio_data.get());
- dest_start_frame += frame_count;
- }
- ASSERT_LE(actual_frames, decoded_audio_data->frames());
- ASSERT_EQ(expected_frames, actual_frames);
- AudioHash audio_hash;
- audio_hash.Update(decoded_audio_data.get(), actual_frames);
- EXPECT_EQ(expected_audio_hash, audio_hash.ToString());
- }
- // Verify packets are consistent across demuxer runs. Reads the first few
- // packets and then seeks back to the start timestamp and verifies that the
- // hashes match on the packets just read.
- void VerifyPackets() {
- const int kReads = 3;
- const int kTestPasses = 2;
- AVPacket packet;
- base::TimeDelta start_timestamp;
- std::vector<std::string> packet_md5_hashes_;
- for (int i = 0; i < kTestPasses; ++i) {
- for (int j = 0; j < kReads; ++j) {
- ASSERT_TRUE(reader_->ReadPacketForTesting(&packet));
- // On the first pass save the MD5 hash of each packet, on subsequent
- // passes ensure it matches.
- const std::string md5_hash = base::MD5String(base::StringPiece(
- reinterpret_cast<char*>(packet.data), packet.size));
- if (i == 0) {
- packet_md5_hashes_.push_back(md5_hash);
- if (j == 0) {
- start_timestamp = ConvertFromTimeBase(
- reader_->codec_context_for_testing()->time_base, packet.pts);
- }
- } else {
- EXPECT_EQ(packet_md5_hashes_[j], md5_hash) << "j = " << j;
- }
- av_packet_unref(&packet);
- }
- ASSERT_TRUE(reader_->SeekForTesting(start_timestamp));
- }
- }
- void RunTest(const char* fn,
- const char* hash,
- int channels,
- int sample_rate,
- base::TimeDelta duration,
- int frames,
- int expected_frames) {
- Initialize(fn);
- ASSERT_TRUE(reader_->Open());
- EXPECT_EQ(channels, reader_->channels());
- EXPECT_EQ(sample_rate, reader_->sample_rate());
- if (frames >= 0) {
- EXPECT_EQ(duration.InMicroseconds(),
- reader_->GetDuration().InMicroseconds());
- EXPECT_EQ(frames, reader_->GetNumberOfFrames());
- EXPECT_EQ(reader_->HasKnownDuration(), true);
- } else {
- EXPECT_EQ(reader_->HasKnownDuration(), false);
- }
- if (!packet_verification_disabled_)
- ASSERT_NO_FATAL_FAILURE(VerifyPackets());
- ReadAndVerify(hash, expected_frames);
- }
- void RunTestFailingDemux(const char* fn) {
- Initialize(fn);
- EXPECT_FALSE(reader_->Open());
- }
- void RunTestFailingDecode(const char* fn, int expect_read = 0) {
- Initialize(fn);
- EXPECT_TRUE(reader_->Open());
- std::vector<std::unique_ptr<AudioBus>> decoded_audio_packets;
- EXPECT_EQ(reader_->Read(&decoded_audio_packets), expect_read);
- }
- void RunTestPartialDecode(const char* fn) {
- Initialize(fn);
- EXPECT_TRUE(reader_->Open());
- std::vector<std::unique_ptr<AudioBus>> decoded_audio_packets;
- constexpr int packets_to_read = 1;
- reader_->Read(&decoded_audio_packets, packets_to_read);
- EXPECT_EQ(static_cast<int>(decoded_audio_packets.size()), packets_to_read);
- }
- void disable_packet_verification() { packet_verification_disabled_ = true; }
- protected:
- scoped_refptr<DecoderBuffer> data_;
- std::unique_ptr<InMemoryUrlProtocol> protocol_;
- std::unique_ptr<AudioFileReader> reader_;
- bool packet_verification_disabled_;
- };
- TEST_F(AudioFileReaderTest, WithoutOpen) {
- Initialize("bear.ogv");
- }
- TEST_F(AudioFileReaderTest, InvalidFile) {
- RunTestFailingDemux("ten_byte_file");
- }
- TEST_F(AudioFileReaderTest, UnknownDuration) {
- RunTest("bear-320x240-live.webm", "-3.59,-2.06,-0.43,2.15,0.77,-0.95,", 2,
- 44100, base::Microseconds(-1), -1, 121024);
- }
- TEST_F(AudioFileReaderTest, WithVideo) {
- RunTest("bear.ogv", "-0.73,0.92,0.48,-0.07,-0.92,-0.88,", 2, 44100,
- base::Microseconds(1011520), 44609, 45632);
- }
- TEST_F(AudioFileReaderTest, Vorbis) {
- RunTest("sfx.ogg", "2.17,3.31,5.15,6.33,5.97,4.35,", 1, 44100,
- base::Microseconds(350001), 15436, 15936);
- }
- TEST_F(AudioFileReaderTest, WaveU8) {
- RunTest("sfx_u8.wav", "-1.23,-1.57,-1.14,-0.91,-0.87,-0.07,", 1, 44100,
- base::Microseconds(288414), 12720, 12719);
- }
- TEST_F(AudioFileReaderTest, WaveS16LE) {
- RunTest("sfx_s16le.wav", "3.05,2.87,3.00,3.32,3.58,4.08,", 1, 44100,
- base::Microseconds(288414), 12720, 12719);
- }
- TEST_F(AudioFileReaderTest, WaveS24LE) {
- RunTest("sfx_s24le.wav", "3.03,2.86,2.99,3.31,3.57,4.06,", 1, 44100,
- base::Microseconds(288414), 12720, 12719);
- }
- TEST_F(AudioFileReaderTest, WaveF32LE) {
- RunTest("sfx_f32le.wav", "3.03,2.86,2.99,3.31,3.57,4.06,", 1, 44100,
- base::Microseconds(288414), 12720, 12719);
- }
- TEST_F(AudioFileReaderTest, MP3) {
- RunTest("sfx.mp3", "1.30,2.72,4.56,5.08,3.74,2.03,", 1, 44100,
- base::Microseconds(313470), 13825, 11025);
- }
- TEST_F(AudioFileReaderTest, CorruptMP3) {
- // Disable packet verification since the file is corrupt and FFmpeg does not
- // make any guarantees on packet consistency in this case.
- disable_packet_verification();
- RunTest("corrupt.mp3", "-4.95,-2.95,-0.44,1.16,0.31,-2.21,", 1, 44100,
- base::Microseconds(1018801), 44930, 44928);
- }
- #if BUILDFLAG(USE_PROPRIETARY_CODECS)
- TEST_F(AudioFileReaderTest, AAC) {
- RunTest("sfx.m4a", "0.79,2.31,4.15,4.92,4.04,1.44,", 1, 44100,
- base::Microseconds(371660), 16391, 12701);
- }
- TEST_F(AudioFileReaderTest, AAC_SinglePacket) {
- RunTest("440hz-10ms.m4a", "3.77,4.53,4.75,3.48,3.67,3.76,", 1, 44100,
- base::Microseconds(69660), 3073, 441);
- }
- TEST_F(AudioFileReaderTest, AAC_ADTS) {
- RunTest("sfx.adts", "1.80,1.66,2.31,3.26,4.46,3.36,", 1, 44100,
- base::Microseconds(384733), 16967, 13312);
- }
- TEST_F(AudioFileReaderTest, MidStreamConfigChangesFail) {
- RunTestFailingDecode("midstream_config_change.mp3", 42624);
- }
- #endif
- TEST_F(AudioFileReaderTest, VorbisInvalidChannelLayout) {
- RunTestFailingDemux("9ch.ogg");
- }
- TEST_F(AudioFileReaderTest, WaveValidFourChannelLayout) {
- RunTest("4ch.wav", "131.71,38.02,130.31,44.89,135.98,42.52,", 4, 44100,
- base::Microseconds(100001), 4411, 4410);
- }
- TEST_F(AudioFileReaderTest, ReadPartialMP3) {
- RunTestPartialDecode("sfx.mp3");
- }
- } // namespace media
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