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pulsesrc: guard fragment size with a lower limit based on latency-time

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In case that the pulse daemon runs the source device at a relatively low fixed
fragment size compared to the requested latency-time, configure the ring buffer
segsize to the largest integer multiple of the fragment size that is still
smaller than or equal to the requested latency-time.

Fixes bug #597463.
This commit is contained in:
René Stadler 2009-10-02 23:51:29 +03:00
parent 86b8935b07
commit 15c6175044
1 changed files with 5 additions and 2 deletions
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7
ext/pulse/pulsesrc.c
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@ -1014,8 +1014,11 @@ gst_pulsesrc_prepare (GstAudioSrc * asrc, GstRingBufferSpec * spec)
GST_INFO_OBJECT (pulsesrc, "fragsize: %d (wanted %d)", GST_INFO_OBJECT (pulsesrc, "fragsize: %d (wanted %d)",
actual->fragsize, wanted.fragsize); actual->fragsize, wanted.fragsize);
/* adjust latency again */ if (actual->fragsize >= wanted.fragsize) {
spec->segsize = actual->fragsize; spec->segsize = actual->fragsize;
} else {
spec->segsize = actual->fragsize * (wanted.fragsize / actual->fragsize);
}
spec->segtotal = actual->maxlength / spec->segsize; spec->segtotal = actual->maxlength / spec->segsize;
pa_threaded_mainloop_unlock (pulsesrc->mainloop); pa_threaded_mainloop_unlock (pulsesrc->mainloop);