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| 1 /* |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 // This file contains a class that can write audio to file in |
| 12 // multiple file formats. The unencoded input data is written to file in the |
| 13 // encoded format specified. |
| 14 |
| 15 #ifndef WEBRTC_MODULES_UTILITY_SOURCE_FILE_RECORDER_IMPL_H_ |
| 16 #define WEBRTC_MODULES_UTILITY_SOURCE_FILE_RECORDER_IMPL_H_ |
| 17 |
| 18 #include <list> |
| 19 |
| 20 #include "webrtc/base/platform_thread.h" |
| 21 #include "webrtc/common_audio/resampler/include/resampler.h" |
| 22 #include "webrtc/common_types.h" |
| 23 #include "webrtc/engine_configurations.h" |
| 24 #include "webrtc/modules/include/module_common_types.h" |
| 25 #include "webrtc/modules/media_file/media_file.h" |
| 26 #include "webrtc/modules/media_file/media_file_defines.h" |
| 27 #include "webrtc/modules/utility/include/file_recorder.h" |
| 28 #include "webrtc/modules/utility/source/coder.h" |
| 29 #include "webrtc/system_wrappers/include/event_wrapper.h" |
| 30 #include "webrtc/typedefs.h" |
| 31 |
| 32 namespace webrtc { |
| 33 // The largest decoded frame size in samples (60ms with 32kHz sample rate). |
| 34 enum { MAX_AUDIO_BUFFER_IN_SAMPLES = 60*32}; |
| 35 enum { MAX_AUDIO_BUFFER_IN_BYTES = MAX_AUDIO_BUFFER_IN_SAMPLES*2}; |
| 36 enum { kMaxAudioBufferQueueLength = 100 }; |
| 37 |
| 38 class CriticalSectionWrapper; |
| 39 |
| 40 class FileRecorderImpl : public FileRecorder |
| 41 { |
| 42 public: |
| 43 FileRecorderImpl(uint32_t instanceID, FileFormats fileFormat); |
| 44 virtual ~FileRecorderImpl(); |
| 45 |
| 46 // FileRecorder functions. |
| 47 int32_t RegisterModuleFileCallback(FileCallback* callback) override; |
| 48 FileFormats RecordingFileFormat() const override; |
| 49 int32_t StartRecordingAudioFile( |
| 50 const char* fileName, |
| 51 const CodecInst& codecInst, |
| 52 uint32_t notificationTimeMs) override; |
| 53 int32_t StartRecordingAudioFile( |
| 54 OutStream& destStream, |
| 55 const CodecInst& codecInst, |
| 56 uint32_t notificationTimeMs) override; |
| 57 int32_t StopRecording() override; |
| 58 bool IsRecording() const override; |
| 59 int32_t codec_info(CodecInst& codecInst) const override; |
| 60 int32_t RecordAudioToFile(const AudioFrame& frame) override; |
| 61 |
| 62 protected: |
| 63 int32_t WriteEncodedAudioData(const int8_t* audioBuffer, |
| 64 size_t bufferLength); |
| 65 |
| 66 int32_t SetUpAudioEncoder(); |
| 67 |
| 68 uint32_t _instanceID; |
| 69 FileFormats _fileFormat; |
| 70 MediaFile* _moduleFile; |
| 71 |
| 72 private: |
| 73 CodecInst codec_info_; |
| 74 int8_t _audioBuffer[MAX_AUDIO_BUFFER_IN_BYTES]; |
| 75 AudioCoder _audioEncoder; |
| 76 Resampler _audioResampler; |
| 77 }; |
| 78 } // namespace webrtc |
| 79 #endif // WEBRTC_MODULES_UTILITY_SOURCE_FILE_RECORDER_IMPL_H_ |
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