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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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