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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 #ifndef WEBRTC_MODULES_MEDIA_FILE_SOURCE_MEDIA_FILE_IMPL_H_ | |
| 12 #define WEBRTC_MODULES_MEDIA_FILE_SOURCE_MEDIA_FILE_IMPL_H_ | |
| 13 | |
| 14 #include "webrtc/common_types.h" | |
| 15 #include "webrtc/modules/include/module_common_types.h" | |
| 16 #include "webrtc/modules/media_file/include/media_file.h" | |
| 17 #include "webrtc/modules/media_file/include/media_file_defines.h" | |
| 18 #include "webrtc/modules/media_file/source/media_file_utility.h" | |
| 19 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" | |
| 20 | |
| 21 namespace webrtc { | |
| 22 class MediaFileImpl : public MediaFile | |
| 23 { | |
| 24 | |
| 25 public: | |
| 26 MediaFileImpl(const int32_t id); | |
| 27 ~MediaFileImpl(); | |
| 28 | |
| 29 int32_t Process() override; | |
| 30 int64_t TimeUntilNextProcess() override; | |
| 31 | |
| 32 // MediaFile functions | |
| 33 int32_t PlayoutAudioData(int8_t* audioBuffer, | |
| 34 size_t& dataLengthInBytes) override; | |
| 35 | |
| 36 int32_t PlayoutStereoData(int8_t* audioBufferLeft, | |
| 37 int8_t* audioBufferRight, | |
| 38 size_t& dataLengthInBytes) override; | |
| 39 | |
| 40 int32_t StartPlayingAudioFile( | |
| 41 const char* fileName, | |
| 42 const uint32_t notificationTimeMs = 0, | |
| 43 const bool loop = false, | |
| 44 const FileFormats format = kFileFormatPcm16kHzFile, | |
| 45 const CodecInst* codecInst = NULL, | |
| 46 const uint32_t startPointMs = 0, | |
| 47 const uint32_t stopPointMs = 0) override; | |
| 48 | |
| 49 int32_t StartPlayingAudioStream( | |
| 50 InStream& stream, | |
| 51 const uint32_t notificationTimeMs = 0, | |
| 52 const FileFormats format = kFileFormatPcm16kHzFile, | |
| 53 const CodecInst* codecInst = NULL, | |
| 54 const uint32_t startPointMs = 0, | |
| 55 const uint32_t stopPointMs = 0) override; | |
| 56 | |
| 57 int32_t StopPlaying() override; | |
| 58 | |
| 59 bool IsPlaying() override; | |
| 60 | |
| 61 int32_t PlayoutPositionMs(uint32_t& positionMs) const override; | |
| 62 | |
| 63 int32_t IncomingAudioData(const int8_t* audioBuffer, | |
| 64 const size_t bufferLength) override; | |
| 65 | |
| 66 int32_t StartRecordingAudioFile(const char* fileName, | |
| 67 const FileFormats format, | |
| 68 const CodecInst& codecInst, | |
| 69 const uint32_t notificationTimeMs = 0, | |
| 70 const uint32_t maxSizeBytes = 0) override; | |
| 71 | |
| 72 int32_t StartRecordingAudioStream( | |
| 73 OutStream& stream, | |
| 74 const FileFormats format, | |
| 75 const CodecInst& codecInst, | |
| 76 const uint32_t notificationTimeMs = 0) override; | |
| 77 | |
| 78 int32_t StopRecording() override; | |
| 79 | |
| 80 bool IsRecording() override; | |
| 81 | |
| 82 int32_t RecordDurationMs(uint32_t& durationMs) override; | |
| 83 | |
| 84 bool IsStereo() override; | |
| 85 | |
| 86 int32_t SetModuleFileCallback(FileCallback* callback) override; | |
| 87 | |
| 88 int32_t FileDurationMs(const char* fileName, | |
| 89 uint32_t& durationMs, | |
| 90 const FileFormats format, | |
| 91 const uint32_t freqInHz = 16000) override; | |
| 92 | |
| 93 int32_t codec_info(CodecInst& codecInst) const override; | |
| 94 | |
| 95 private: | |
| 96 // Returns true if the combination of format and codecInst is valid. | |
| 97 static bool ValidFileFormat(const FileFormats format, | |
| 98 const CodecInst* codecInst); | |
| 99 | |
| 100 | |
| 101 // Returns true if the filename is valid | |
| 102 static bool ValidFileName(const char* fileName); | |
| 103 | |
| 104 // Returns true if the combination of startPointMs and stopPointMs is valid. | |
| 105 static bool ValidFilePositions(const uint32_t startPointMs, | |
| 106 const uint32_t stopPointMs); | |
| 107 | |
| 108 // Returns true if frequencyInHz is a supported frequency. | |
| 109 static bool ValidFrequency(const uint32_t frequencyInHz); | |
| 110 | |
| 111 void HandlePlayCallbacks(int32_t bytesRead); | |
| 112 | |
| 113 int32_t StartPlayingStream( | |
| 114 InStream& stream, | |
| 115 bool loop, | |
| 116 const uint32_t notificationTimeMs, | |
| 117 const FileFormats format, | |
| 118 const CodecInst* codecInst, | |
| 119 const uint32_t startPointMs, | |
| 120 const uint32_t stopPointMs); | |
| 121 | |
| 122 int32_t _id; | |
| 123 CriticalSectionWrapper* _crit; | |
| 124 CriticalSectionWrapper* _callbackCrit; | |
| 125 | |
| 126 ModuleFileUtility* _ptrFileUtilityObj; | |
| 127 CodecInst codec_info_; | |
| 128 | |
| 129 InStream* _ptrInStream; | |
| 130 OutStream* _ptrOutStream; | |
| 131 | |
| 132 FileFormats _fileFormat; | |
| 133 uint32_t _recordDurationMs; | |
| 134 uint32_t _playoutPositionMs; | |
| 135 uint32_t _notificationMs; | |
| 136 | |
| 137 bool _playingActive; | |
| 138 bool _recordingActive; | |
| 139 bool _isStereo; | |
| 140 bool _openFile; | |
| 141 | |
| 142 char _fileName[512]; | |
| 143 | |
| 144 FileCallback* _ptrCallback; | |
| 145 }; | |
| 146 } // namespace webrtc | |
| 147 | |
| 148 #endif // WEBRTC_MODULES_MEDIA_FILE_SOURCE_MEDIA_FILE_IMPL_H_ | |
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