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qtmux: set first_ts to DTS for streams that have DTS

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=707340
This commit is contained in:
Matej Knopp 2013-09-14 15:56:04 +02:00 committed by Sebastian Dröge
parent 39f7e52266
commit b363832c2c
1 changed files with 9 additions and 1 deletions
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10
gst/isomp4/gstqtmux.c
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@ -2176,12 +2176,20 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
/* if this is the first buffer, store the timestamp */
if (G_UNLIKELY (pad->first_ts == GST_CLOCK_TIME_NONE) && last_buf) {
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_PTS (last_buf))) {
if (pad->have_dts) {
/* first pad always has DTS. If it was not provided by upstream it was set to segment start */
pad->first_ts = GST_BUFFER_DTS (last_buf);
} else if (GST_BUFFER_PTS_IS_VALID (last_buf)) {
pad->first_ts = GST_BUFFER_PTS (last_buf);
}
if (GST_CLOCK_TIME_IS_VALID (pad->first_ts)) {
GST_DEBUG ("setting first_ts to %" G_GUINT64_FORMAT, pad->first_ts);
last_buf = gst_buffer_make_writable (last_buf);
check_and_subtract_ts (qtmux, &GST_BUFFER_DTS (last_buf), pad->first_ts);
check_and_subtract_ts (qtmux, &GST_BUFFER_PTS (last_buf), pad->first_ts);
if (buf) {
buf = gst_buffer_make_writable (buf);
check_and_subtract_ts (qtmux, &GST_BUFFER_DTS (buf), pad->first_ts);
check_and_subtract_ts (qtmux, &GST_BUFFER_PTS (buf), pad->first_ts);
}