diff options
| author | Arun Raghavan <git@arunraghavan.net> | 2015-06-11 11:01:30 +0530 |
|---|---|---|
| committer | Arun Raghavan <git@arunraghavan.net> | 2015-06-12 12:43:18 +0530 |
| commit | 5adb126259958ab106584034f6a3c94a8ec4af60 (patch) | |
| tree | 72008604cfd11d022033947257ea71549e0ffb44 /src/pulse | |
| parent | a1c4a6916f74306fb1ddc9c1d5a77a57e4e30a6f (diff) | |
stream: Support extended API with PULSE_LATENCY_MSEC if possible
This only works in the single-format case (i.e. we know the format
up-front and we're not negotiating).
Diffstat (limited to 'src/pulse')
| -rw-r--r-- | src/pulse/stream.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/pulse/stream.c b/src/pulse/stream.c index c301b8ee..6fea9963 100644 --- a/src/pulse/stream.c +++ b/src/pulse/stream.c @@ -987,6 +987,14 @@ static void patch_buffer_attr(pa_stream *s, pa_buffer_attr *attr, pa_stream_flag if ((e = getenv("PULSE_LATENCY_MSEC"))) { uint32_t ms; + pa_sample_spec ss; + + pa_sample_spec_init(&ss); + + if (pa_sample_spec_valid(&s->sample_spec)) + ss = s->sample_spec; + else if (s->n_formats == 1) + pa_format_info_to_sample_spec(s->req_formats[0], &ss, NULL); if (pa_atou(e, &ms) < 0 || ms <= 0) pa_log_debug("Failed to parse $PULSE_LATENCY_MSEC: %s", e); @@ -994,7 +1002,7 @@ static void patch_buffer_attr(pa_stream *s, pa_buffer_attr *attr, pa_stream_flag pa_log_debug("Ignoring $PULSE_LATENCY_MSEC: %s (invalid sample spec)", e); else { attr->maxlength = (uint32_t) -1; - attr->tlength = pa_usec_to_bytes(ms * PA_USEC_PER_MSEC, &s->sample_spec); + attr->tlength = pa_usec_to_bytes(ms * PA_USEC_PER_MSEC, &ss); attr->minreq = (uint32_t) -1; attr->prebuf = (uint32_t) -1; attr->fragsize = attr->tlength; |