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basesink: use more correct segment methods

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Use the more correct new segment methods for updating the segment before and
after a step.
This commit is contained in:
Wim Taymans 2009-06-04 12:34:47 +02:00
parent 0e74bfe248
commit 957e40343d
1 changed files with 28 additions and 34 deletions
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62
libs/gst/base/gstbasesink.c
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@ -164,6 +164,7 @@ typedef struct
guint64 duration; /* the duration in time of the skipped data */
guint64 start; /* running_time of the start */
gdouble rate; /* rate of skipping */
gdouble start_rate; /* rate before skipping */
gboolean flush; /* if this was a flushing step */
gboolean intermediate; /* if this is an intermediate step */
gboolean need_preroll; /* if we need preroll after this step */
@ -1487,9 +1488,14 @@ start_stepping (GstBaseSink * sink, GstSegment * segment,
/* get the running time of where we paused and remember it */
current->start = gst_element_get_start_time (GST_ELEMENT_CAST (sink));
gst_segment_set_running_time (segment, GST_FORMAT_TIME, current->start);
/* set the new rate */
segment->rate = segment->rate * current->rate;
/* set the new rate for the remainder of the segment */
current->start_rate = segment->rate;
/* no rate yet, it only works in playing */
/* segment->rate *= current->rate;
* segment->abs_rate = ABS (segment->rate);
* */
GST_DEBUG_OBJECT (sink, "step started at running_time %" GST_TIME_FORMAT,
GST_TIME_ARGS (current->start));
@ -1509,48 +1515,36 @@ stop_stepping (GstBaseSink * sink, GstSegment * segment,
GstStepInfo * current, guint64 cstart, guint64 cstop, gint64 * rstart,
gint64 * rstop)
{
gint64 stop;
GstMessage *message;
GST_DEBUG_OBJECT (sink, "step complete");
/* update the segment, discarding what was consumed, running time goes
* backwards with the duration of the data we skipped. FIXME, this only works
* in PAUSED. */
if (segment->rate > 0.0) {
GST_DEBUG_OBJECT (sink,
"step stop at running_time %" GST_TIME_FORMAT ", timestamp %"
GST_TIME_FORMAT, GST_TIME_ARGS (*rstart), GST_TIME_ARGS (cstart));
if (*rstart == -1)
*rstart = current->start + current->position;
if (segment->rate > 0.0)
stop = *rstart;
else
stop = *rstop;
current->duration = *rstart - current->start;
GST_DEBUG_OBJECT (sink,
"step stop at running_time %" GST_TIME_FORMAT, GST_TIME_ARGS (stop));
segment->time =
gst_segment_to_stream_time (segment, segment->format, cstart);
segment->start = cstart;
*rstart = current->start;
if (*rstop != -1)
*rstop -= current->duration;
} else {
GST_DEBUG_OBJECT (sink,
"step stop at running_time %" GST_TIME_FORMAT ", timestamp %"
GST_TIME_FORMAT, GST_TIME_ARGS (*rstop), GST_TIME_ARGS (cstop));
if (*rstop == -1)
*rstop = current->start + current->position;
current->duration = *rstop - current->start;
segment->stop = cstop;
*rstop = current->start;
if (*rstart != -1)
*rstart -= current->duration;
}
segment->accum = current->start;
if (stop == -1)
current->duration = current->position;
else
current->duration = stop - current->start;
GST_DEBUG_OBJECT (sink, "step elapsed running_time %" GST_TIME_FORMAT,
GST_TIME_ARGS (current->duration));
/* now move the segment to the new running time */
gst_segment_set_running_time (segment, GST_FORMAT_TIME,
current->start + current->duration);
/* restore the previous rate */
segment->rate = current->start_rate;
segment->abs_rate = ABS (segment->rate);
/* and remove the accumulated time we stepped */
segment->accum = current->start;
/* the clip segment is used for position report in paused... */
memcpy (sink->abidata.ABI.clip_segment, segment, sizeof (GstSegment));