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media: support more Range formats

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Use the new -base methods to convert the Range string into a seek start and stop
value.
This commit is contained in:
Wim Taymans 2012-11-21 16:41:56 +01:00
parent 9387c4b451
commit 5eb5fd45f3
2 changed files with 24 additions and 46 deletions
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66
gst/rtsp-server/rtsp-media.c
View file

@ -259,8 +259,10 @@ collect_media_stats (GstRTSPMedia * media)
if (media->is_live) {
media->range.min.type = GST_RTSP_TIME_NOW;
media->range.min.seconds = -1;
media->range_start = -1;
media->range.max.type = GST_RTSP_TIME_END;
media->range.max.seconds = -1;
media->range_stop = -1;
} else {
/* get the position */
if (!gst_element_query_position (media->pipeline, GST_FORMAT_TIME,
@ -282,16 +284,20 @@ collect_media_stats (GstRTSPMedia * media)
if (position == -1) {
media->range.min.type = GST_RTSP_TIME_NOW;
media->range.min.seconds = -1;
media->range_start = -1;
} else {
media->range.min.type = GST_RTSP_TIME_SECONDS;
media->range.min.seconds = ((gdouble) position) / GST_SECOND;
media->range_start = position;
}
if (duration == -1) {
media->range.max.type = GST_RTSP_TIME_END;
media->range.max.seconds = -1;
media->range_start = -1;
} else {
media->range.max.type = GST_RTSP_TIME_SECONDS;
media->range.max.seconds = ((gdouble) duration) / GST_SECOND;
media->range_stop = duration;
}
}
}
@ -824,7 +830,7 @@ gst_rtsp_media_seek (GstRTSPMedia * media, GstRTSPTimeRange * range)
{
GstSeekFlags flags;
gboolean res;
gint64 start, stop;
GstClockTime start, stop;
GstSeekType start_type, stop_type;
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), FALSE);
@ -834,52 +840,26 @@ gst_rtsp_media_seek (GstRTSPMedia * media, GstRTSPTimeRange * range)
if (!media->seekable)
goto not_seekable;
if (range->unit != GST_RTSP_RANGE_NPT)
goto not_supported;
/* depends on the current playing state of the pipeline. We might need to
* queue this until we get EOS. */
flags = GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_KEY_UNIT;
start_type = stop_type = GST_SEEK_TYPE_NONE;
switch (range->min.type) {
case GST_RTSP_TIME_NOW:
start = -1;
break;
case GST_RTSP_TIME_SECONDS:
/* only seek when something changed */
if (media->range.min.seconds == range->min.seconds) {
start = -1;
} else {
start = range->min.seconds * GST_SECOND;
start_type = GST_SEEK_TYPE_SET;
}
break;
case GST_RTSP_TIME_END:
default:
goto weird_type;
}
switch (range->max.type) {
case GST_RTSP_TIME_SECONDS:
/* only seek when something changed */
if (media->range.max.seconds == range->max.seconds) {
stop = -1;
} else {
stop = range->max.seconds * GST_SECOND;
stop_type = GST_SEEK_TYPE_SET;
}
break;
case GST_RTSP_TIME_END:
stop = -1;
stop_type = GST_SEEK_TYPE_SET;
break;
case GST_RTSP_TIME_NOW:
default:
goto weird_type;
}
if (!gst_rtsp_range_get_times (range, &start, &stop))
goto not_supported;
if (start != -1 || stop != -1) {
if (media->range_start == start)
start = GST_CLOCK_TIME_NONE;
else if (start != GST_CLOCK_TIME_NONE)
start_type = GST_SEEK_TYPE_SET;
if (media->range_stop == stop)
stop = GST_CLOCK_TIME_NONE;
else if (stop != GST_CLOCK_TIME_NONE)
stop_type = GST_SEEK_TYPE_SET;
if (start != GST_CLOCK_TIME_NONE || stop != GST_CLOCK_TIME_NONE) {
GST_INFO ("seeking to %" GST_TIME_FORMAT " - %" GST_TIME_FORMAT,
GST_TIME_ARGS (start), GST_TIME_ARGS (stop));
@ -913,12 +893,6 @@ not_supported:
GST_WARNING ("seek unit %d not supported", range->unit);
return FALSE;
}
weird_type:
{
g_rec_mutex_unlock (&media->state_lock);
GST_WARNING ("weird range type %d not supported", range->min.type);
return FALSE;
}
}
static void

4
gst/rtsp-server/rtsp-media.h
View file

@ -92,6 +92,8 @@ typedef enum {
* @target_state: the desired target state of the pipeline
* @rtpbin: the rtpbin
* @range: the range of the media being streamed
* @range_start: range start in #GstClockTime
* @range_stop: range stop in #GstClockTime
*
* A class that contains the GStreamer element along with a list of
* #GstRTSPStream objects that can produce data.
@ -138,6 +140,8 @@ struct _GstRTSPMedia {
/* the range of media */
GstRTSPTimeRange range;
GstClockTime range_start;
GstClockTime range_stop;
};
/**