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collectpads: handle buffer with dts-only when mapping to running time

Browse source 
Otherwise the buffer was left with the original values and later would
be compared with other buffers that were converted to runninn time,
leading to bad interleaving of multiple streams.

https://bugzilla.gnome.org/show_bug.cgi?id=757961
This commit is contained in:
Thiago Santos 2015-11-13 20:44:57 -03:00
parent 2c475a0355
commit 288280fb0c
1 changed files with 39 additions and 34 deletions
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73
libs/gst/base/gstcollectpads.c
View file

@ -505,47 +505,52 @@ gst_collect_pads_clip_running_time (GstCollectPads * pads,
GstCollectData * cdata, GstBuffer * buf, GstBuffer ** outbuf,
gpointer user_data)
{
GstClockTime time;
*outbuf = buf;
time = GST_BUFFER_PTS (buf);
/* invalid left alone and passed */
if (G_LIKELY (GST_CLOCK_TIME_IS_VALID (time))) {
time = gst_segment_to_running_time (&cdata->segment, GST_FORMAT_TIME, time);
if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (time))) {
GST_DEBUG_OBJECT (cdata->pad, "clipping buffer on pad outside segment %"
GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_PTS (buf)));
gst_buffer_unref (buf);
*outbuf = NULL;
} else {
GstClockTime buf_dts, abs_dts;
gint dts_sign;
if (G_LIKELY (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DTS (buf))
|| GST_CLOCK_TIME_IS_VALID (GST_BUFFER_PTS (buf)))) {
GstClockTime time;
GstClockTime buf_dts, abs_dts;
gint dts_sign;
GST_LOG_OBJECT (cdata->pad, "buffer pts %" GST_TIME_FORMAT " -> %"
GST_TIME_FORMAT " running time",
GST_TIME_ARGS (GST_BUFFER_PTS (buf)), GST_TIME_ARGS (time));
*outbuf = gst_buffer_make_writable (buf);
GST_BUFFER_PTS (*outbuf) = time;
time = GST_BUFFER_PTS (buf);
dts_sign = gst_segment_to_running_time_full (&cdata->segment,
GST_FORMAT_TIME, GST_BUFFER_DTS (*outbuf), &abs_dts);
buf_dts = GST_BUFFER_DTS (*outbuf);
if (dts_sign > 0) {
GST_BUFFER_DTS (*outbuf) = abs_dts;
GST_COLLECT_PADS_DTS (cdata) = abs_dts;
} else if (dts_sign < 0) {
GST_BUFFER_DTS (*outbuf) = GST_CLOCK_TIME_NONE;
GST_COLLECT_PADS_DTS (cdata) = -((gint64) abs_dts);
} else {
GST_BUFFER_DTS (*outbuf) = GST_CLOCK_TIME_NONE;
GST_COLLECT_PADS_DTS (cdata) = GST_CLOCK_STIME_NONE;
if (GST_CLOCK_TIME_IS_VALID (time)) {
time =
gst_segment_to_running_time (&cdata->segment, GST_FORMAT_TIME, time);
if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (time))) {
GST_DEBUG_OBJECT (cdata->pad, "clipping buffer on pad outside segment %"
GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_PTS (buf)));
gst_buffer_unref (buf);
*outbuf = NULL;
return GST_FLOW_OK;
}
GST_LOG_OBJECT (cdata->pad, "buffer dts %" GST_TIME_FORMAT " -> %"
GST_STIME_FORMAT " running time", GST_TIME_ARGS (buf_dts),
GST_STIME_ARGS (GST_COLLECT_PADS_DTS (cdata)));
}
GST_LOG_OBJECT (cdata->pad, "buffer pts %" GST_TIME_FORMAT " -> %"
GST_TIME_FORMAT " running time",
GST_TIME_ARGS (GST_BUFFER_PTS (buf)), GST_TIME_ARGS (time));
*outbuf = gst_buffer_make_writable (buf);
GST_BUFFER_PTS (*outbuf) = time;
dts_sign = gst_segment_to_running_time_full (&cdata->segment,
GST_FORMAT_TIME, GST_BUFFER_DTS (*outbuf), &abs_dts);
buf_dts = GST_BUFFER_DTS (*outbuf);
if (dts_sign > 0) {
GST_BUFFER_DTS (*outbuf) = abs_dts;
GST_COLLECT_PADS_DTS (cdata) = abs_dts;
} else if (dts_sign < 0) {
GST_BUFFER_DTS (*outbuf) = GST_CLOCK_TIME_NONE;
GST_COLLECT_PADS_DTS (cdata) = -((gint64) abs_dts);
} else {
GST_BUFFER_DTS (*outbuf) = GST_CLOCK_TIME_NONE;
GST_COLLECT_PADS_DTS (cdata) = GST_CLOCK_STIME_NONE;
}
GST_LOG_OBJECT (cdata->pad, "buffer dts %" GST_TIME_FORMAT " -> %"
GST_STIME_FORMAT " running time", GST_TIME_ARGS (buf_dts),
GST_STIME_ARGS (GST_COLLECT_PADS_DTS (cdata)));
}
return GST_FLOW_OK;