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Pulsesink: Allow chunks up to bufsize instead of segsize

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By allowing larger chunks to be sent, PulseAudio will have a
lower CPU usage. This is especially important on low-end machines,
where PulseAudio can crash if packets are coming in at a higher
rate than PulseAudio can process them.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
This commit is contained in:
David Henningsson 2011-01-31 05:58:36 +01:00 committed by Wim Taymans
parent ede0635d45
commit 1e2c1467ae
1 changed files with 8 additions and 8 deletions
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16
ext/pulse/pulsesink.c
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@ -1339,11 +1339,11 @@ gst_pulseringbuffer_commit (GstRingBuffer * buf, guint64 * sample,
towrite = out_samples * bps; towrite = out_samples * bps;
/* Only ever write segsize bytes at once. This will /* Only ever write bufsize bytes at once. This will
* also limit the PA shm buffer to segsize * also limit the PA shm buffer to bufsize
*/ */
if (towrite > buf->spec.segsize) if (towrite > bufsize)
towrite = buf->spec.segsize; towrite = bufsize;
if ((pbuf->m_writable < towrite) || (offset != pbuf->m_lastoffset)) { if ((pbuf->m_writable < towrite) || (offset != pbuf->m_lastoffset)) {
/* if no room left or discontinuity in offset, /* if no room left or discontinuity in offset,
@ -1392,9 +1392,9 @@ gst_pulseringbuffer_commit (GstRingBuffer * buf, guint64 * sample,
} }
/* make sure we only buffer up latency-time samples */ /* make sure we only buffer up latency-time samples */
if (pbuf->m_writable > buf->spec.segsize) { if (pbuf->m_writable > bufsize) {
/* limit buffering to latency-time value */ /* limit buffering to latency-time value */
pbuf->m_writable = buf->spec.segsize; pbuf->m_writable = bufsize;
GST_LOG_OBJECT (psink, "Limiting buffering to %" G_GSIZE_FORMAT, GST_LOG_OBJECT (psink, "Limiting buffering to %" G_GSIZE_FORMAT,
pbuf->m_writable); pbuf->m_writable);
@ -1413,9 +1413,9 @@ gst_pulseringbuffer_commit (GstRingBuffer * buf, guint64 * sample,
pbuf->m_writable); pbuf->m_writable);
/* Just to make sure that we didn't get more than requested */ /* Just to make sure that we didn't get more than requested */
if (pbuf->m_writable > buf->spec.segsize) { if (pbuf->m_writable > bufsize) {
/* limit buffering to latency-time value */ /* limit buffering to latency-time value */
pbuf->m_writable = buf->spec.segsize; pbuf->m_writable = bufsize;
} }
} }