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Code Issues Releases Wiki Activity

linux audio capture improved

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This commit is contained in:
John Preston
2015-06-01 14:15:07 +03:00
parent 1b06fe1220
commit 0a7c42c59a
3 changed files with 16 additions and 14 deletions
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19
Telegram/SourceFiles/audio.cpp
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@@ -1202,8 +1202,9 @@ void AudioCaptureInner::onInit() {
void AudioCaptureInner::onStart() {
// Start OpenAL Capture
d->device = alcCaptureOpenDevice(0, AudioVoiceMsgFrequency, AL_FORMAT_MONO16, AudioVoiceMsgFrequency / 5);
const ALCchar *dName = alcGetString(0, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER);
DEBUG_LOG(("Audio Info: Capture device name '%1'").arg(dName));
d->device = alcCaptureOpenDevice(dName, AudioVoiceMsgFrequency, AL_FORMAT_MONO16, AudioVoiceMsgFrequency / 5);
if (!d->device) {
LOG(("Audio Error: capture device not present!"));
emit error();
@@ -1255,7 +1256,7 @@ void AudioCaptureInner::onStart() {
emit error();
return;
}
d->stream = avformat_new_stream(d->fmtContext, d->codec);
d->stream = avformat_new_stream(d->fmtContext, d->codec);
if (!d->stream) {
LOG(("Audio Error: Unable to avformat_new_stream for capture"));
onStop(false);
@@ -1267,7 +1268,8 @@ void AudioCaptureInner::onStart() {
av_opt_set_int(d->codecContext, "refcounted_frames", 1, 0);
d->codecContext->sample_fmt = AV_SAMPLE_FMT_FLTP;
d->codecContext->bit_rate = 0;// 64000;
d->codecContext->bit_rate = 64000;
d->codecContext->channel_layout = AV_CH_LAYOUT_MONO;
d->codecContext->sample_rate = AudioVoiceMsgFrequency;
d->codecContext->channels = 1;
@@ -1342,9 +1344,10 @@ void AudioCaptureInner::onStop(bool needResult) {
if (!_timer.isActive()) return; // in onStop() already
_timer.stop();
if (needResult) {
onTimeout(); // get last data
}
if (d->device) {
alcCaptureStop(d->device);
onTimeout(); // get last data
}
// Write what is left
if (!_captured.isEmpty()) {
@@ -1585,4 +1588,4 @@ void AudioCaptureInner::writeFrame(int32 offset, int32 framesize) {
d->fullSamples += samplesCnt;
av_frame_free(&frame);
}
}