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chan_console: don't read and write at the same time 

It seems that the ALSA backend of PortAudio doesn't know how to both
read and write at the same time by adding a per-device mutex.

FIXME: currently only a draft version. Need to either auto-detect
we work with the ALSA backend or add an extra configuration option
to use this mutex.

ASTERISK-27426 #close

Change-Id: I635eacee45f5413faa18f5a3b606af03b926dacb
This commit is contained in:
Oron Peled 2017-12-19 10:52:54 +02:00 committed by Sean Bright
parent 4142eacfef
commit 5b8fea93d1
1 changed files with 4 additions and 0 deletions
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4
channels/chan_console.c
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@ -278,7 +278,9 @@ static void *stream_monitor(void *data)
for (;;) {
pthread_testcancel();
console_pvt_lock(pvt);
res = Pa_ReadStream(pvt->stream, buf, sizeof(buf) / sizeof(int16_t));
console_pvt_unlock(pvt);
pthread_testcancel();
if (!pvt->owner) {
@ -611,7 +613,9 @@ static int console_write(struct ast_channel *chan, struct ast_frame *f)
{
struct console_pvt *pvt = ast_channel_tech_pvt(chan);
console_pvt_lock(pvt);
Pa_WriteStream(pvt->stream, f->data.ptr, f->samples);
console_pvt_unlock(pvt);
return 0;
}