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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <stddef.h> |
| 6 #include <stdint.h> |
| 7 |
| 5 #include <vector> | 8 #include <vector> |
| 6 | 9 |
| 7 #include "base/files/file_path.h" | 10 #include "base/files/file_path.h" |
| 8 #include "base/files/file_util.h" | 11 #include "base/files/file_util.h" |
| 9 #include "base/logging.h" | 12 #include "base/logging.h" |
| 13 #include "base/macros.h" |
| 10 #include "base/memory/aligned_memory.h" | 14 #include "base/memory/aligned_memory.h" |
| 11 #include "base/path_service.h" | 15 #include "base/path_service.h" |
| 12 #include "base/time/time.h" | 16 #include "base/time/time.h" |
| 17 #include "build/build_config.h" |
| 13 #include "content/public/common/media_stream_request.h" | 18 #include "content/public/common/media_stream_request.h" |
| 14 #include "content/renderer/media/media_stream_audio_processor.h" | 19 #include "content/renderer/media/media_stream_audio_processor.h" |
| 15 #include "content/renderer/media/media_stream_audio_processor_options.h" | 20 #include "content/renderer/media/media_stream_audio_processor_options.h" |
| 16 #include "content/renderer/media/mock_media_constraint_factory.h" | 21 #include "content/renderer/media/mock_media_constraint_factory.h" |
| 17 #include "media/audio/audio_parameters.h" | 22 #include "media/audio/audio_parameters.h" |
| 18 #include "media/base/audio_bus.h" | 23 #include "media/base/audio_bus.h" |
| 19 #include "testing/gmock/include/gmock/gmock.h" | 24 #include "testing/gmock/include/gmock/gmock.h" |
| 20 #include "testing/gtest/include/gtest/gtest.h" | 25 #include "testing/gtest/include/gtest/gtest.h" |
| 21 #include "third_party/WebKit/public/platform/WebMediaConstraints.h" | 26 #include "third_party/WebKit/public/platform/WebMediaConstraints.h" |
| 22 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h" | 27 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h" |
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| 53 const int kMaxNumberOfPlayoutDataChannels = 2; | 58 const int kMaxNumberOfPlayoutDataChannels = 2; |
| 54 | 59 |
| 55 void ReadDataFromSpeechFile(char* data, int length) { | 60 void ReadDataFromSpeechFile(char* data, int length) { |
| 56 base::FilePath file; | 61 base::FilePath file; |
| 57 CHECK(PathService::Get(base::DIR_SOURCE_ROOT, &file)); | 62 CHECK(PathService::Get(base::DIR_SOURCE_ROOT, &file)); |
| 58 file = file.Append(FILE_PATH_LITERAL("media")) | 63 file = file.Append(FILE_PATH_LITERAL("media")) |
| 59 .Append(FILE_PATH_LITERAL("test")) | 64 .Append(FILE_PATH_LITERAL("test")) |
| 60 .Append(FILE_PATH_LITERAL("data")) | 65 .Append(FILE_PATH_LITERAL("data")) |
| 61 .Append(FILE_PATH_LITERAL("speech_16b_stereo_48kHz.raw")); | 66 .Append(FILE_PATH_LITERAL("speech_16b_stereo_48kHz.raw")); |
| 62 DCHECK(base::PathExists(file)); | 67 DCHECK(base::PathExists(file)); |
| 63 int64 data_file_size64 = 0; | 68 int64_t data_file_size64 = 0; |
| 64 DCHECK(base::GetFileSize(file, &data_file_size64)); | 69 DCHECK(base::GetFileSize(file, &data_file_size64)); |
| 65 EXPECT_EQ(length, base::ReadFile(file, data, length)); | 70 EXPECT_EQ(length, base::ReadFile(file, data, length)); |
| 66 DCHECK(data_file_size64 > length); | 71 DCHECK(data_file_size64 > length); |
| 67 } | 72 } |
| 68 | 73 |
| 69 } // namespace | 74 } // namespace |
| 70 | 75 |
| 71 class MediaStreamAudioProcessorTest : public ::testing::Test { | 76 class MediaStreamAudioProcessorTest : public ::testing::Test { |
| 72 public: | 77 public: |
| 73 MediaStreamAudioProcessorTest() | 78 MediaStreamAudioProcessorTest() |
| 74 : params_(media::AudioParameters::AUDIO_PCM_LOW_LATENCY, | 79 : params_(media::AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| 75 media::CHANNEL_LAYOUT_STEREO, 48000, 16, 512) { | 80 media::CHANNEL_LAYOUT_STEREO, 48000, 16, 512) { |
| 76 } | 81 } |
| 77 | 82 |
| 78 protected: | 83 protected: |
| 79 // Helper method to save duplicated code. | 84 // Helper method to save duplicated code. |
| 80 void ProcessDataAndVerifyFormat(MediaStreamAudioProcessor* audio_processor, | 85 void ProcessDataAndVerifyFormat(MediaStreamAudioProcessor* audio_processor, |
| 81 int expected_output_sample_rate, | 86 int expected_output_sample_rate, |
| 82 int expected_output_channels, | 87 int expected_output_channels, |
| 83 int expected_output_buffer_size) { | 88 int expected_output_buffer_size) { |
| 84 // Read the audio data from a file. | 89 // Read the audio data from a file. |
| 85 const media::AudioParameters& params = audio_processor->InputFormat(); | 90 const media::AudioParameters& params = audio_processor->InputFormat(); |
| 86 const int packet_size = | 91 const int packet_size = |
| 87 params.frames_per_buffer() * 2 * params.channels(); | 92 params.frames_per_buffer() * 2 * params.channels(); |
| 88 const size_t length = packet_size * kNumberOfPacketsForTest; | 93 const size_t length = packet_size * kNumberOfPacketsForTest; |
| 89 scoped_ptr<char[]> capture_data(new char[length]); | 94 scoped_ptr<char[]> capture_data(new char[length]); |
| 90 ReadDataFromSpeechFile(capture_data.get(), length); | 95 ReadDataFromSpeechFile(capture_data.get(), length); |
| 91 const int16* data_ptr = reinterpret_cast<const int16*>(capture_data.get()); | 96 const int16_t* data_ptr = |
| 97 reinterpret_cast<const int16_t*>(capture_data.get()); |
| 92 scoped_ptr<media::AudioBus> data_bus = media::AudioBus::Create( | 98 scoped_ptr<media::AudioBus> data_bus = media::AudioBus::Create( |
| 93 params.channels(), params.frames_per_buffer()); | 99 params.channels(), params.frames_per_buffer()); |
| 94 | 100 |
| 95 // |data_bus_playout| is used if the number of capture channels is larger | 101 // |data_bus_playout| is used if the number of capture channels is larger |
| 96 // that max allowed playout channels. |data_bus_playout_to_use| points to | 102 // that max allowed playout channels. |data_bus_playout_to_use| points to |
| 97 // the AudioBus to use, either |data_bus| or |data_bus_playout|. | 103 // the AudioBus to use, either |data_bus| or |data_bus_playout|. |
| 98 scoped_ptr<media::AudioBus> data_bus_playout; | 104 scoped_ptr<media::AudioBus> data_bus_playout; |
| 99 media::AudioBus* data_bus_playout_to_use = data_bus.get(); | 105 media::AudioBus* data_bus_playout_to_use = data_bus.get(); |
| 100 if (params.channels() > kMaxNumberOfPlayoutDataChannels) { | 106 if (params.channels() > kMaxNumberOfPlayoutDataChannels) { |
| 101 data_bus_playout = | 107 data_bus_playout = |
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| 588 ProcessDataAndVerifyFormat(audio_processor.get(), | 594 ProcessDataAndVerifyFormat(audio_processor.get(), |
| 589 kAudioProcessingSampleRate, | 595 kAudioProcessingSampleRate, |
| 590 kAudioProcessingNumberOfChannel, | 596 kAudioProcessingNumberOfChannel, |
| 591 kAudioProcessingSampleRate / 100); | 597 kAudioProcessingSampleRate / 100); |
| 592 // Set |audio_processor| to NULL to make sure |webrtc_audio_device| outlives | 598 // Set |audio_processor| to NULL to make sure |webrtc_audio_device| outlives |
| 593 // |audio_processor|. | 599 // |audio_processor|. |
| 594 audio_processor = NULL; | 600 audio_processor = NULL; |
| 595 } | 601 } |
| 596 | 602 |
| 597 } // namespace content | 603 } // namespace content |
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