Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(55)

Side by Side Diff: voice_engine/file_recorder.cc

Issue 3013033002: Remove VoEFile (Closed)
Patch Set: rebase Created 3 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « voice_engine/file_recorder.h ('k') | voice_engine/include/voe_file.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
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 #include "voice_engine/file_recorder.h"
12
13 #include <list>
14
15 #include "audio/utility/audio_frame_operations.h"
16 #include "common_audio/resampler/include/resampler.h"
17 #include "common_types.h" // NOLINT(build/include)
18 #include "modules/include/module_common_types.h"
19 #include "modules/media_file/media_file.h"
20 #include "modules/media_file/media_file_defines.h"
21 #include "rtc_base/logging.h"
22 #include "rtc_base/platform_thread.h"
23 #include "system_wrappers/include/event_wrapper.h"
24 #include "typedefs.h" // NOLINT(build/include)
25 #include "voice_engine/coder.h"
26
27 namespace webrtc {
28
29 namespace {
30
31 // The largest decoded frame size in samples (60ms with 32kHz sample rate).
32 enum { MAX_AUDIO_BUFFER_IN_SAMPLES = 60 * 32 };
33 enum { MAX_AUDIO_BUFFER_IN_BYTES = MAX_AUDIO_BUFFER_IN_SAMPLES * 2 };
34 enum { kMaxAudioBufferQueueLength = 100 };
35
36 class FileRecorderImpl : public FileRecorder {
37 public:
38 FileRecorderImpl(uint32_t instanceID, FileFormats fileFormat);
39 ~FileRecorderImpl() override;
40
41 // FileRecorder functions.
42 int32_t RegisterModuleFileCallback(FileCallback* callback) override;
43 FileFormats RecordingFileFormat() const override;
44 int32_t StartRecordingAudioFile(const char* fileName,
45 const CodecInst& codecInst,
46 uint32_t notificationTimeMs) override;
47 int32_t StartRecordingAudioFile(OutStream* destStream,
48 const CodecInst& codecInst,
49 uint32_t notificationTimeMs) override;
50 int32_t StopRecording() override;
51 bool IsRecording() const override;
52 int32_t codec_info(CodecInst* codecInst) const override;
53 int32_t RecordAudioToFile(const AudioFrame& frame) override;
54
55 private:
56 int32_t WriteEncodedAudioData(const int8_t* audioBuffer, size_t bufferLength);
57
58 int32_t SetUpAudioEncoder();
59
60 uint32_t _instanceID;
61 FileFormats _fileFormat;
62 MediaFile* _moduleFile;
63
64 CodecInst codec_info_;
65 int8_t _audioBuffer[MAX_AUDIO_BUFFER_IN_BYTES];
66 AudioCoder _audioEncoder;
67 Resampler _audioResampler;
68 };
69
70 FileRecorderImpl::FileRecorderImpl(uint32_t instanceID, FileFormats fileFormat)
71 : _instanceID(instanceID),
72 _fileFormat(fileFormat),
73 _moduleFile(MediaFile::CreateMediaFile(_instanceID)),
74 codec_info_(),
75 _audioBuffer(),
76 _audioEncoder(instanceID),
77 _audioResampler() {}
78
79 FileRecorderImpl::~FileRecorderImpl() {
80 MediaFile::DestroyMediaFile(_moduleFile);
81 }
82
83 FileFormats FileRecorderImpl::RecordingFileFormat() const {
84 return _fileFormat;
85 }
86
87 int32_t FileRecorderImpl::RegisterModuleFileCallback(FileCallback* callback) {
88 if (_moduleFile == NULL) {
89 return -1;
90 }
91 return _moduleFile->SetModuleFileCallback(callback);
92 }
93
94 int32_t FileRecorderImpl::StartRecordingAudioFile(const char* fileName,
95 const CodecInst& codecInst,
96 uint32_t notificationTimeMs) {
97 if (_moduleFile == NULL) {
98 return -1;
99 }
100 codec_info_ = codecInst;
101 int32_t retVal = 0;
102 retVal = _moduleFile->StartRecordingAudioFile(fileName, _fileFormat,
103 codecInst, notificationTimeMs);
104
105 if (retVal == 0) {
106 retVal = SetUpAudioEncoder();
107 }
108 if (retVal != 0) {
109 LOG(LS_WARNING) << "Failed to initialize file " << fileName
110 << " for recording.";
111
112 if (IsRecording()) {
113 StopRecording();
114 }
115 }
116 return retVal;
117 }
118
119 int32_t FileRecorderImpl::StartRecordingAudioFile(OutStream* destStream,
120 const CodecInst& codecInst,
121 uint32_t notificationTimeMs) {
122 codec_info_ = codecInst;
123 int32_t retVal = _moduleFile->StartRecordingAudioStream(
124 *destStream, _fileFormat, codecInst, notificationTimeMs);
125
126 if (retVal == 0) {
127 retVal = SetUpAudioEncoder();
128 }
129 if (retVal != 0) {
130 LOG(LS_WARNING) << "Failed to initialize outStream for recording.";
131
132 if (IsRecording()) {
133 StopRecording();
134 }
135 }
136 return retVal;
137 }
138
139 int32_t FileRecorderImpl::StopRecording() {
140 memset(&codec_info_, 0, sizeof(CodecInst));
141 return _moduleFile->StopRecording();
142 }
143
144 bool FileRecorderImpl::IsRecording() const {
145 return _moduleFile->IsRecording();
146 }
147
148 int32_t FileRecorderImpl::RecordAudioToFile(
149 const AudioFrame& incomingAudioFrame) {
150 if (codec_info_.plfreq == 0) {
151 LOG(LS_WARNING) << "RecordAudioToFile() recording audio is not "
152 << "turned on.";
153 return -1;
154 }
155 AudioFrame tempAudioFrame;
156 tempAudioFrame.samples_per_channel_ = 0;
157 if (incomingAudioFrame.num_channels_ == 2 && !_moduleFile->IsStereo()) {
158 // Recording mono but incoming audio is (interleaved) stereo.
159 tempAudioFrame.num_channels_ = 1;
160 tempAudioFrame.sample_rate_hz_ = incomingAudioFrame.sample_rate_hz_;
161 tempAudioFrame.samples_per_channel_ =
162 incomingAudioFrame.samples_per_channel_;
163 if (!incomingAudioFrame.muted()) {
164 AudioFrameOperations::StereoToMono(
165 incomingAudioFrame.data(), incomingAudioFrame.samples_per_channel_,
166 tempAudioFrame.mutable_data());
167 }
168 } else if (incomingAudioFrame.num_channels_ == 1 && _moduleFile->IsStereo()) {
169 // Recording stereo but incoming audio is mono.
170 tempAudioFrame.num_channels_ = 2;
171 tempAudioFrame.sample_rate_hz_ = incomingAudioFrame.sample_rate_hz_;
172 tempAudioFrame.samples_per_channel_ =
173 incomingAudioFrame.samples_per_channel_;
174 if (!incomingAudioFrame.muted()) {
175 AudioFrameOperations::MonoToStereo(
176 incomingAudioFrame.data(), incomingAudioFrame.samples_per_channel_,
177 tempAudioFrame.mutable_data());
178 }
179 }
180
181 const AudioFrame* ptrAudioFrame = &incomingAudioFrame;
182 if (tempAudioFrame.samples_per_channel_ != 0) {
183 // If ptrAudioFrame is not empty it contains the audio to be recorded.
184 ptrAudioFrame = &tempAudioFrame;
185 }
186
187 // Encode the audio data before writing to file. Don't encode if the codec
188 // is PCM.
189 // NOTE: stereo recording is only supported for WAV files.
190 // TODO(hellner): WAV expect PCM in little endian byte order. Not
191 // "encoding" with PCM coder should be a problem for big endian systems.
192 size_t encodedLenInBytes = 0;
193 if (_fileFormat == kFileFormatPreencodedFile ||
194 STR_CASE_CMP(codec_info_.plname, "L16") != 0) {
195 if (_audioEncoder.Encode(*ptrAudioFrame, _audioBuffer,
196 &encodedLenInBytes) == -1) {
197 LOG(LS_WARNING) << "RecordAudioToFile() codec " << codec_info_.plname
198 << " not supported or failed to encode stream.";
199 return -1;
200 }
201 } else {
202 size_t outLen = 0;
203 _audioResampler.ResetIfNeeded(ptrAudioFrame->sample_rate_hz_,
204 codec_info_.plfreq,
205 ptrAudioFrame->num_channels_);
206 // TODO(yujo): skip resample if frame is muted.
207 _audioResampler.Push(
208 ptrAudioFrame->data(),
209 ptrAudioFrame->samples_per_channel_ * ptrAudioFrame->num_channels_,
210 reinterpret_cast<int16_t*>(_audioBuffer), MAX_AUDIO_BUFFER_IN_BYTES,
211 outLen);
212 encodedLenInBytes = outLen * sizeof(int16_t);
213 }
214
215 // Codec may not be operating at a frame rate of 10 ms. Whenever enough
216 // 10 ms chunks of data has been pushed to the encoder an encoded frame
217 // will be available. Wait until then.
218 if (encodedLenInBytes) {
219 if (WriteEncodedAudioData(_audioBuffer, encodedLenInBytes) == -1) {
220 return -1;
221 }
222 }
223 return 0;
224 }
225
226 int32_t FileRecorderImpl::SetUpAudioEncoder() {
227 if (_fileFormat == kFileFormatPreencodedFile ||
228 STR_CASE_CMP(codec_info_.plname, "L16") != 0) {
229 if (_audioEncoder.SetEncodeCodec(codec_info_) == -1) {
230 LOG(LS_ERROR) << "SetUpAudioEncoder() codec " << codec_info_.plname
231 << " not supported.";
232 return -1;
233 }
234 }
235 return 0;
236 }
237
238 int32_t FileRecorderImpl::codec_info(CodecInst* codecInst) const {
239 if (codec_info_.plfreq == 0) {
240 return -1;
241 }
242 *codecInst = codec_info_;
243 return 0;
244 }
245
246 int32_t FileRecorderImpl::WriteEncodedAudioData(const int8_t* audioBuffer,
247 size_t bufferLength) {
248 return _moduleFile->IncomingAudioData(audioBuffer, bufferLength);
249 }
250
251 } // namespace
252
253 std::unique_ptr<FileRecorder> FileRecorder::CreateFileRecorder(
254 uint32_t instanceID,
255 FileFormats fileFormat) {
256 return std::unique_ptr<FileRecorder>(
257 new FileRecorderImpl(instanceID, fileFormat));
258 }
259
260 } // namespace webrtc
OLDNEW
« no previous file with comments | « voice_engine/file_recorder.h ('k') | voice_engine/include/voe_file.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698