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lavd/pulse_audio_enc: add nonblocking mode 

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
This commit is contained in:
Lukasz Marek 2014-04-06 23:12:44 +02:00
parent eb9dee2d0d
commit bc31a57902
1 changed files with 9 additions and 2 deletions
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11
libavdevice/pulse_audio_enc.c
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@ -41,6 +41,7 @@ typedef struct PulseData {
pa_threaded_mainloop *mainloop;
pa_context *ctx;
pa_stream *stream;
int nonblocking;
} PulseData;
static void pulse_stream_writable(pa_stream *stream, size_t nbytes, void *userdata)
@ -257,6 +258,7 @@ static av_cold int pulse_write_header(AVFormatContext *h)
else
stream_name = "Playback";
}
s->nonblocking = (h->flags & AVFMT_FLAG_NONBLOCK);
if (s->buffer_duration) {
int64_t bytes = s->buffer_duration;
@ -401,8 +403,13 @@ static int pulse_write_packet(AVFormatContext *h, AVPacket *pkt)
av_log(s, AV_LOG_ERROR, "PulseAudio stream is in invalid state.\n");
goto fail;
}
while (!pa_stream_writable_size(s->stream))
pa_threaded_mainloop_wait(s->mainloop);
while (!pa_stream_writable_size(s->stream)) {
if (s->nonblocking) {
pa_threaded_mainloop_unlock(s->mainloop);
return AVERROR(EAGAIN);
} else
pa_threaded_mainloop_wait(s->mainloop);
}
if ((ret = pa_stream_write(s->stream, pkt->data, pkt->size, NULL, 0, PA_SEEK_RELATIVE)) < 0) {
av_log(s, AV_LOG_ERROR, "pa_stream_write failed: %s\n", pa_strerror(ret));