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 #ifndef WEBRTC_MODULES_UTILITY_SOURCE_FILE_PLAYER_IMPL_H_ 12 #define WEBRTC_MODULES_UTILITY_SOURCE_FILE_PLAYER_IMPL_H_ 13 14 #include "webrtc/common_audio/resampler/include/resampler.h" 15 #include "webrtc/common_types.h" 16 #include "webrtc/engine_configurations.h" 17 #include "webrtc/modules/media_file/media_file.h" 18 #include "webrtc/modules/media_file/media_file_defines.h" 19 #include "webrtc/modules/utility/include/file_player.h" 20 #include "webrtc/modules/utility/source/coder.h" 21 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" 22 #include "webrtc/system_wrappers/include/tick_util.h" 23 #include "webrtc/typedefs.h" 24 25 namespace webrtc { 26 class FilePlayerImpl : public FilePlayer 27 { 28 public: 29 FilePlayerImpl(uint32_t instanceID, FileFormats fileFormat); 30 ~FilePlayerImpl(); 31 32 virtual int Get10msAudioFromFile( 33 int16_t* outBuffer, 34 size_t& lengthInSamples, 35 int frequencyInHz); 36 virtual int32_t RegisterModuleFileCallback(FileCallback* callback); 37 virtual int32_t StartPlayingFile( 38 const char* fileName, 39 bool loop, 40 uint32_t startPosition, 41 float volumeScaling, 42 uint32_t notification, 43 uint32_t stopPosition = 0, 44 const CodecInst* codecInst = NULL); 45 virtual int32_t StartPlayingFile( 46 InStream& sourceStream, 47 uint32_t startPosition, 48 float volumeScaling, 49 uint32_t notification, 50 uint32_t stopPosition = 0, 51 const CodecInst* codecInst = NULL); 52 virtual int32_t StopPlayingFile(); 53 virtual bool IsPlayingFile() const; 54 virtual int32_t GetPlayoutPosition(uint32_t& durationMs); 55 virtual int32_t AudioCodec(CodecInst& audioCodec) const; 56 virtual int32_t Frequency() const; 57 virtual int32_t SetAudioScaling(float scaleFactor); 58 59 protected: 60 int32_t SetUpAudioDecoder(); 61 62 uint32_t _instanceID; 63 const FileFormats _fileFormat; 64 MediaFile& _fileModule; 65 66 uint32_t _decodedLengthInMS; 67 68 private: 69 AudioCoder _audioDecoder; 70 71 CodecInst _codec; 72 int32_t _numberOf10MsPerFrame; 73 int32_t _numberOf10MsInDecoder; 74 75 Resampler _resampler; 76 float _scaling; 77 }; 78 } // namespace webrtc 79 #endif // WEBRTC_MODULES_UTILITY_SOURCE_FILE_PLAYER_IMPL_H_ 80