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videotestsrc: Report our latency properly in live mode

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While we have no latency at all in theory, any other live source has the
duration of one buffer as minimum latency. Do the same in videotestsrc.

https://bugzilla.gnome.org/show_bug.cgi?id=741879
This commit is contained in:
Sebastian Dröge 2014-12-22 22:04:41 +01:00
parent 631d356845
commit 8abfdd127f
1 changed files with 18 additions and 1 deletions
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19
gst/videotestsrc/gstvideotestsrc.c
View file

@ -781,7 +781,7 @@ unsupported_caps:
static gboolean
gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
{
gboolean res;
gboolean res = FALSE;
GstVideoTestSrc *src;
src = GST_VIDEO_TEST_SRC (bsrc);
@ -799,6 +799,23 @@ gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
case GST_QUERY_LATENCY:
{
if (src->info.fps_n > 0) {
GstClockTime latency;
latency =
gst_util_uint64_scale (GST_SECOND, src->info.fps_d,
src->info.fps_n);
gst_query_set_latency (query,
gst_base_src_is_live (GST_BASE_SRC_CAST (src)), latency,
GST_CLOCK_TIME_NONE);
GST_DEBUG_OBJECT (src, "Reporting latency of %" GST_TIME_FORMAT,
GST_TIME_ARGS (latency));
res = TRUE;
}
break;
}
case GST_QUERY_DURATION:{
if (bsrc->num_buffers != -1) {
GstFormat format;