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ext/mad/gstmad.c: Add convert function for proper timestamp calculations.

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Original commit message from CVS:
* ext/mad/gstmad.c: (gst_mad_src_query), (gst_mad_sink_event),
(gst_mad_chain):
Add convert function for proper timestamp calculations.

* gst/avi/gstavidemux.c: (gst_avi_demux_send_event),
(gst_avi_demux_stream_header), (gst_avi_demux_handle_seek),
(gst_avi_demux_process_next_entry), (gst_avi_demux_loop):
Send out initial discont.
This commit is contained in:
Wim Taymans 2005-07-16 16:43:53 +00:00
parent fa9e9d985a
commit 865cfa3a5c
2 changed files with 34 additions and 62 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2005-07-16 Wim Taymans <wim@fluendo.com>
* ext/mad/gstmad.c: (gst_mad_src_query), (gst_mad_sink_event),
(gst_mad_chain):
Add convert function for proper timestamp calculations.
* gst/avi/gstavidemux.c: (gst_avi_demux_send_event),
(gst_avi_demux_stream_header), (gst_avi_demux_handle_seek),
(gst_avi_demux_process_next_entry), (gst_avi_demux_loop):
Send out initial discont.
2005-07-15 Wim Taymans <wim@fluendo.com>
* gst/level/gstlevel.c: (gst_level_transform):

85
ext/mad/gstmad.c
View file

@ -610,6 +610,19 @@ gst_mad_src_query (GstPad * pad, GstQuery * query)
break;
}
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!(res =
gst_mad_convert_src (pad, src_fmt, src_val, &dest_fmt,
&dest_val)))
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
default:
res = FALSE;
break;
@ -913,80 +926,24 @@ static gboolean
gst_mad_sink_event (GstPad * pad, GstEvent * event)
{
GstMad *mad = GST_MAD (GST_PAD_PARENT (pad));
gint64 total;
gboolean result;
GST_DEBUG ("handling event %d", GST_EVENT_TYPE (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_DISCONTINUOUS:
{
gint n = GST_EVENT_DISCONT_OFFSET_LEN (event);
gint i;
mad->total_samples = 0;
for (i = 0; i < n; i++) {
const GstFormat formats[] = { GST_FORMAT_BYTES, GST_FORMAT_TIME, 0 };
#if 0
formats = gst_pad_get_formats (pad);
#endif
if (gst_formats_contains (formats, GST_EVENT_DISCONT_OFFSET (event,
i).format)) {
gint64 start_value = GST_EVENT_DISCONT_OFFSET (event, i).start_value;
//gint64 end_value = GST_EVENT_DISCONT_OFFSET (event, i).end_value;
gint64 time;
GstFormat format;
GstEvent *discont;
/* see how long the input bytes take */
if (GST_EVENT_DISCONT_OFFSET (event, i).format != GST_FORMAT_TIME) {
format = GST_FORMAT_TIME;
if (!gst_mad_convert_sink (pad,
GST_EVENT_DISCONT_OFFSET (event, i).format,
start_value, &format, &time)) {
continue;
}
} else {
time = start_value;
}
/* for now, this is the best we can do to get the total number
* of samples. This is suboptimal because the incoming event
* might contain this information already (although I believe
* that this doesn't happen anywhere so far). */
format = GST_FORMAT_DEFAULT;
if (!gst_mad_convert_src (mad->srcpad,
GST_FORMAT_TIME, time, &format, &total)) {
GST_DEBUG ("Failed to convert time to total_samples");
continue;
}
mad->total_samples = total;
if (GST_PAD_IS_USABLE (mad->srcpad)) {
discont = gst_event_new_discontinuous (FALSE, GST_FORMAT_TIME,
time, NULL);
gst_pad_push_event (mad->srcpad, discont);
}
gst_event_unref (event);
goto done;
}
}
GST_WARNING ("Failed to retrieve sample position");
/* this isn't really correct? */
gst_pad_event_default (pad, event);
done:
result = gst_pad_push_event (mad->srcpad, event);
mad->tempsize = 0;
/* we don't need to restart when we get here */
mad->restart = FALSE;
break;
}
case GST_EVENT_EOS:
mad->caps_set = FALSE; /* could be a new stream */
gst_pad_event_default (pad, event);
result = gst_pad_push_event (mad->srcpad, event);
break;
default:
gst_pad_event_default (pad, event);
result = gst_pad_push_event (mad->srcpad, event);
break;
}
return TRUE;
@ -1226,13 +1183,13 @@ gst_mad_chain (GstPad * pad, GstBuffer * buffer)
GstFlowReturn result = GST_FLOW_OK;
mad = GST_MAD (GST_PAD_PARENT (pad));
g_return_val_if_fail (GST_IS_MAD (mad), GST_FLOW_ERROR);
/* restarts happen on discontinuities, ie. seek, flush, PAUSED to PLAYING */
if (gst_mad_check_restart (mad))
GST_DEBUG ("mad restarted");
timestamp = GST_BUFFER_TIMESTAMP (buffer);
GST_DEBUG ("mad in timestamp %" GST_TIME_FORMAT, GST_TIME_ARGS (timestamp));
/* handle timestamps */
if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
@ -1252,6 +1209,7 @@ gst_mad_chain (GstPad * pad, GstBuffer * buffer)
new_pts = TRUE;
}
}
GST_DEBUG ("last_ts %" GST_TIME_FORMAT, GST_TIME_ARGS (mad->last_ts));
/* handle data */
data = GST_BUFFER_DATA (buffer);
@ -1478,6 +1436,9 @@ gst_mad_chain (GstPad * pad, GstBuffer * buffer)
outdata = (gint16 *) GST_BUFFER_DATA (outbuffer);
GST_DEBUG ("mad out timestamp %" GST_TIME_FORMAT,
GST_TIME_ARGS (time_offset));
GST_BUFFER_TIMESTAMP (outbuffer) = time_offset;
GST_BUFFER_DURATION (outbuffer) = time_duration;
GST_BUFFER_OFFSET (outbuffer) = mad->total_samples;