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stream: Check sample spec validity before abiding PULSE_LATENCY_MSEC

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In case the sample spec is not known, as can be the case when
pa_stream_new_extended is used, we cannot satisfy the PULSE_LATENCY_MSEC
request.

As a workaround disable being able to use PULSE_LATENCY_MSEC in this case.

Reported-by: Fritsch <fritsch@xbmc.org>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
This commit is contained in:
David Henningsson 2015-06-10 17:29:54 +02:00 • committed by Arun Raghavan
parent cbc0d5ffcb
commit a1c4a6916f
1 changed files with 5 additions and 3 deletions
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4
src/pulse/stream.c
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@ -990,17 +990,19 @@ static void patch_buffer_attr(pa_stream *s, pa_buffer_attr *attr, pa_stream_flag
if (pa_atou(e, &ms) < 0 || ms <= 0) if (pa_atou(e, &ms) < 0 || ms <= 0)
pa_log_debug("Failed to parse $PULSE_LATENCY_MSEC: %s", e); pa_log_debug("Failed to parse $PULSE_LATENCY_MSEC: %s", e);
else if (!pa_sample_spec_valid(&s->sample_spec))
pa_log_debug("Ignoring $PULSE_LATENCY_MSEC: %s (invalid sample spec)", e);
else { else {
attr->maxlength = (uint32_t) -1; 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, &s->sample_spec);
attr->minreq = (uint32_t) -1; attr->minreq = (uint32_t) -1;
attr->prebuf = (uint32_t) -1; attr->prebuf = (uint32_t) -1;
attr->fragsize = attr->tlength; attr->fragsize = attr->tlength;
}
if (flags) if (flags)
*flags |= PA_STREAM_ADJUST_LATENCY; *flags |= PA_STREAM_ADJUST_LATENCY;
} }
}
if (s->context->version >= 13) if (s->context->version >= 13)
return; return;