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gst-libs/gst/audio/gstbaseaudiosink.c: Buffers with no timestamps get aligned with previous buffers or on underrun, p...

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Original commit message from CVS:
* gst-libs/gst/audio/gstbaseaudiosink.c:
(gst_base_audio_sink_get_offset), (gst_base_audio_sink_render):
Buffers with no timestamps get aligned with previous buffers or
on underrun, played ASAP.
This commit is contained in:
Wim Taymans 2005-10-24 14:52:22 +00:00
parent 69f68fa9f6
commit cfadd55297
2 changed files with 41 additions and 2 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2005-10-24 Wim Taymans <wim@fluendo.com>
* gst-libs/gst/audio/gstbaseaudiosink.c:
(gst_base_audio_sink_get_offset), (gst_base_audio_sink_render):
Buffers with no timestamps get aligned with previous buffers or
on underrun, played ASAP.
2005-10-24 Julien MOUTTE <julien@moutte.net>
* gst-libs/gst/video/video.h:

36
gst-libs/gst/audio/gstbaseaudiosink.c
View file

@ -336,6 +336,38 @@ wrong_state:
}
}
static guint64
gst_base_audio_sink_get_offset (GstBaseAudioSink * sink)
{
guint64 sample;
gint writeseg, segdone, sps;
gint diff;
/* assume we can append to the previous sample */
sample = sink->next_sample;
sps = sink->ringbuffer->samples_per_seg;
/* figure out the segment and the offset inside the segment where
* the sample should be written. */
writeseg = sample / sps;
/* get the currently processed segment */
segdone = g_atomic_int_get (&sink->ringbuffer->segdone)
- sink->ringbuffer->segbase;
/* see how far away it is from the write segment */
diff = writeseg - segdone;
if (diff < 0) {
/* sample would be dropped, position to next playable position */
sample = (segdone + 1) * sps;
}
g_print ("diff: %d\n", diff);
return sample;
}
static GstFlowReturn
gst_base_audio_sink_render (GstBaseSink * bsink, GstBuffer * buf)
{
@ -375,7 +407,7 @@ gst_base_audio_sink_render (GstBaseSink * bsink, GstBuffer * buf)
GST_TIME_ARGS (time), in_offset, GST_TIME_ARGS (bsink->segment_start));
if (!GST_CLOCK_TIME_IS_VALID (time)) {
render_offset = sink->next_sample;
render_offset = gst_base_audio_sink_get_offset (sink);
goto no_sync;
}
@ -423,7 +455,7 @@ gst_base_audio_sink_render (GstBaseSink * bsink, GstBuffer * buf)
no_sync:
/* clip length based on rate */
samples /= ABS (bsink->segment_rate);
samples = MIN (samples, samples / ABS (bsink->segment_rate));
/* the next sample should be current sample and its length */
sink->next_sample = render_offset + samples;