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/interface/media_file.h" 18 #include "webrtc/modules/media_file/interface/media_file_defines.h" 19 #include "webrtc/modules/utility/interface/file_player.h" 20 #include "webrtc/modules/utility/source/coder.h" 21 #include "webrtc/system_wrappers/interface/critical_section_wrapper.h" 22 #include "webrtc/system_wrappers/interface/tick_util.h" 23 #include "webrtc/typedefs.h" 24 25 namespace webrtc { 26 class VideoCoder; 27 class FrameScaler; 28 29 class FilePlayerImpl : public FilePlayer 30 { 31 public: 32 FilePlayerImpl(uint32_t instanceID, FileFormats fileFormat); 33 ~FilePlayerImpl(); 34 35 virtual int Get10msAudioFromFile( 36 int16_t* outBuffer, 37 int& lengthInSamples, 38 int frequencyInHz); 39 virtual int32_t RegisterModuleFileCallback(FileCallback* callback); 40 virtual int32_t StartPlayingFile( 41 const char* fileName, 42 bool loop, 43 uint32_t startPosition, 44 float volumeScaling, 45 uint32_t notification, 46 uint32_t stopPosition = 0, 47 const CodecInst* codecInst = NULL); 48 virtual int32_t StartPlayingFile( 49 InStream& sourceStream, 50 uint32_t startPosition, 51 float volumeScaling, 52 uint32_t notification, 53 uint32_t stopPosition = 0, 54 const CodecInst* codecInst = NULL); 55 virtual int32_t StopPlayingFile(); 56 virtual bool IsPlayingFile() const; 57 virtual int32_t GetPlayoutPosition(uint32_t& durationMs); 58 virtual int32_t AudioCodec(CodecInst& audioCodec) const; 59 virtual int32_t Frequency() const; 60 virtual int32_t SetAudioScaling(float scaleFactor); 61 62 protected: 63 int32_t SetUpAudioDecoder(); 64 65 uint32_t _instanceID; 66 const FileFormats _fileFormat; 67 MediaFile& _fileModule; 68 69 uint32_t _decodedLengthInMS; 70 71 private: 72 AudioCoder _audioDecoder; 73 74 CodecInst _codec; 75 int32_t _numberOf10MsPerFrame; 76 int32_t _numberOf10MsInDecoder; 77 78 Resampler _resampler; 79 float _scaling; 80 }; 81 82 #ifdef WEBRTC_MODULE_UTILITY_VIDEO 83 class VideoFilePlayerImpl: public FilePlayerImpl 84 { 85 public: 86 VideoFilePlayerImpl(uint32_t instanceID, FileFormats fileFormat); 87 ~VideoFilePlayerImpl(); 88 89 // FilePlayer functions. 90 virtual int32_t TimeUntilNextVideoFrame(); 91 virtual int32_t StartPlayingVideoFile(const char* fileName, 92 bool loop, 93 bool videoOnly); 94 virtual int32_t StopPlayingFile(); 95 virtual int32_t video_codec_info(VideoCodec& videoCodec) const; 96 virtual int32_t GetVideoFromFile(I420VideoFrame& videoFrame); 97 virtual int32_t GetVideoFromFile(I420VideoFrame& videoFrame, 98 const uint32_t outWidth, 99 const uint32_t outHeight); 100 101 private: 102 int32_t SetUpVideoDecoder(); 103 104 scoped_ptr<VideoCoder> video_decoder_; 105 VideoCodec video_codec_info_; 106 int32_t _decodedVideoFrames; 107 108 EncodedVideoData& _encodedData; 109 110 FrameScaler& _frameScaler; 111 CriticalSectionWrapper* _critSec; 112 TickTime _startTime; 113 int64_t _accumulatedRenderTimeMs; 114 uint32_t _frameLengthMS; 115 116 int32_t _numberOfFramesRead; 117 bool _videoOnly; 118 }; 119 #endif //WEBRTC_MODULE_UTILITY_VIDEO 120 121 } // namespace webrtc 122 #endif // WEBRTC_MODULES_UTILITY_SOURCE_FILE_PLAYER_IMPL_H_ 123