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qtdemux: place incomming timestamps on output

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Place the incomming timestamp (if any) directly onto the outgoing buffers
and interpollate other timestamps.

Conflicts:
	gst/isomp4/qtdemux.c
This commit is contained in:
Wim Taymans 2013-03-08 16:02:26 +01:00 committed by Thiago Santos
parent cca2f555d1
commit d9cd4fcc17
1 changed files with 32 additions and 26 deletions
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58
gst/isomp4/qtdemux.c
View file

@ -2404,18 +2404,21 @@ qtdemux_parse_trun (GstQTDemux * qtdemux, GstByteReader * trun,
if (stream->samples == NULL)
goto out_of_memory;
if (G_UNLIKELY (stream->n_samples == 0)) {
if (GST_CLOCK_TIME_IS_VALID (qtdemux->base_timestamp)) {
timestamp = qtdemux->base_timestamp;
} else
if (GST_CLOCK_TIME_IS_VALID (qtdemux->base_timestamp)) {
timestamp = gst_util_uint64_scale_int (qtdemux->base_timestamp,
stream->timescale, GST_SECOND);
qtdemux->base_timestamp = GST_CLOCK_TIME_NONE;
} else {
if (G_UNLIKELY (stream->n_samples == 0)) {
/* the timestamp of the first sample is also provided by the tfra entry
* but we shouldn't rely on it as it is at the end of files */
timestamp = 0;
} else {
/* subsequent fragments extend stream */
timestamp =
stream->samples[stream->n_samples - 1].timestamp +
stream->samples[stream->n_samples - 1].duration;
} else {
/* subsequent fragments extend stream */
timestamp =
stream->samples[stream->n_samples - 1].timestamp +
stream->samples[stream->n_samples - 1].duration;
}
}
sample = stream->samples + stream->n_samples;
for (i = 0; i < samples_count; i++) {
@ -2647,8 +2650,16 @@ qtdemux_parse_moof (GstQTDemux * qtdemux, const guint8 * buffer, guint length,
&tfdt_data);
if (tfdt_node) {
guint64 decode_time = 0;
GstClockTime decode_time_ts;
qtdemux_parse_tfdt (qtdemux, &tfdt_data, &decode_time);
qtdemux->base_timestamp = decode_time;
decode_time_ts = gst_util_uint64_scale (decode_time, GST_SECOND,
stream->timescale);
GST_DEBUG_OBJECT (qtdemux, "decode time %" G_GUINT64_FORMAT
" (%" GST_TIME_FORMAT ")", decode_time,
GST_TIME_ARGS (decode_time_ts));
/* If there is a new segment pending, update the time/position.
* Don't replace if the pending newsegment is from upstream */
@ -2656,8 +2667,6 @@ qtdemux_parse_moof (GstQTDemux * qtdemux, const guint8 * buffer, guint length,
GstSegment segment;
gst_segment_init (&segment, GST_FORMAT_TIME);
segment.time = gst_util_uint64_scale (decode_time,
GST_SECOND, stream->timescale);
gst_event_replace (&qtdemux->pending_newsegment,
gst_event_new_segment (&segment));
/* ref added when replaced, release the original _new one */
@ -4391,13 +4400,17 @@ gst_qtdemux_chain (GstPad * sinkpad, GstObject * parent, GstBuffer * inbuf)
{
GstQTDemux *demux;
GstFlowReturn ret = GST_FLOW_OK;
GstClockTime timestamp;
demux = GST_QTDEMUX (parent);
if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (demux->base_timestamp)))
demux->base_timestamp =
gst_util_uint64_scale_round (GST_BUFFER_TIMESTAMP (inbuf),
demux->timescale, GST_SECOND);
timestamp = GST_BUFFER_TIMESTAMP (inbuf);
if (G_UNLIKELY (GST_CLOCK_TIME_IS_VALID (timestamp))) {
demux->base_timestamp = timestamp;
GST_DEBUG_OBJECT (demux, "got base_timestamp %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
}
gst_adapter_push (demux->adapter, inbuf);
@ -4582,16 +4595,9 @@ gst_qtdemux_chain (GstPad * sinkpad, GstObject * parent, GstBuffer * inbuf)
/* in MSS we need to expose the pads after the first moof as we won't get a moov */
if (!demux->exposed) {
if (!demux->pending_newsegment) {
guint64 start_ts = 0;
if (GST_CLOCK_TIME_IS_VALID (demux->base_timestamp))
start_ts = gst_util_uint64_scale (demux->base_timestamp,
GST_SECOND, demux->timescale);
demux->segment.start = demux->segment.time =
demux->segment.position = start_ts;
demux->pending_newsegment =
gst_event_new_segment (&demux->segment);
GstSegment segment;
gst_segment_init (&segment, GST_FORMAT_TIME);
demux->pending_newsegment = gst_event_new_segment (&segment);
}
qtdemux_expose_streams (demux);
}