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Added recover logic to AlsaOut.

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This commit is contained in:
clangen 2016-06-09 12:51:00 -07:00
parent 2cfba1ff56
commit 4cd247ad16
1 changed files with 12 additions and 10 deletions
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22
src/contrib/alsaout/AlsaOut.cpp
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@ -47,6 +47,11 @@
#define CHECK_QUIT() if (this->quit) { return; }
#define PRINT_ERROR(x) std::cerr << "AlsaOut: error! " << snd_strerror(x) << std::endl;
#define WRITE_BUFFER(handle, context, samples) \
err = snd_pcm_writei(handle, context->buffer->BufferPointer(), samples); \
if (err < 0) { PRINT_ERROR(err); }
using namespace musik::core::audio;
AlsaOut::AlsaOut()
@ -222,6 +227,7 @@ void AlsaOut::WriteLoop() {
size_t samples = next->buffer->Samples();
size_t channels = next->buffer->Channels();
float volume = (float) this->volume;
/* software volume; alsa doesn't support this internally. this is about
@ -232,17 +238,13 @@ void AlsaOut::WriteLoop() {
++buffer;
}
err = snd_pcm_writei(
this->pcmHandle,
next->buffer->BufferPointer(),
samples);
WRITE_BUFFER(this->pcmHandle, next, samples); /* sets 'err' */
// if (err < 0) {
// err = snd_pcm_recover(this->pcmHandle, samples, 0);
// }
if (err < 0) {
PRINT_ERROR(err);
if (err == -EINTR || err == -EPIPE || err == -ESTRPIPE) {
if (!snd_pcm_recover(this->pcmHandle, err, 1)) {
/* try one more time... */
WRITE_BUFFER(this->pcmHandle, next, samples);
}
}
if (err > 0 && err < (int) samples) {