mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-09-30 07:42:32 +00:00
Code Issues 1 Projects Releases Wiki Activity

Improve and fix LATENCY query handling

Browse source 
This now follows the design docs everywhere, especially the maximum latency
handling.

https://bugzilla.gnome.org/show_bug.cgi?id=744106
This commit is contained in:
Sebastian Dröge 2015-02-11 13:53:02 +01:00
parent b79eff7f9b
commit f4b5107796
6 changed files with 38 additions and 25 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
ext/raw1394/gstdv1394src.c
View file

@ -980,7 +980,7 @@ gst_dv1394src_query (GstBaseSrc * basesrc, GstQuery * query)
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_LATENCY:
{
gst_query_set_latency (query, TRUE, GST_SECOND / 25, GST_CLOCK_TIME_NONE);
gst_query_set_latency (query, TRUE, GST_SECOND / 25, GST_SECOND / 25);
}
break;
default:

14
ext/vpx/gstvp8enc.c
View file

@ -1500,6 +1500,7 @@ gst_vp8_enc_set_format (GstVideoEncoder * video_encoder,
GstVideoInfo *info = &state->info;
GstVideoCodecState *output_state;
gchar *profile_str;
GstClockTime latency;
encoder = GST_VP8_ENC (video_encoder);
GST_DEBUG_OBJECT (video_encoder, "set_format");
@ -1681,13 +1682,16 @@ gst_vp8_enc_set_format (GstVideoEncoder * video_encoder,
}
if (GST_VIDEO_INFO_FPS_D (info) == 0 || GST_VIDEO_INFO_FPS_N (info) == 0) {
gst_video_encoder_set_latency (video_encoder, 0, GST_CLOCK_TIME_NONE);
/* FIXME: Assume 25fps for unknown framerates. Better than reporting
* that we introduce no latency while we actually do
*/
latency = gst_util_uint64_scale (encoder->cfg.g_lag_in_frames,
1 * GST_SECOND, 25);
} else {
gst_video_encoder_set_latency (video_encoder, 0,
gst_util_uint64_scale (encoder->cfg.g_lag_in_frames,
GST_VIDEO_INFO_FPS_D (info) * GST_SECOND,
GST_VIDEO_INFO_FPS_N (info)));
latency = gst_util_uint64_scale (encoder->cfg.g_lag_in_frames,
GST_VIDEO_INFO_FPS_D (info) * GST_SECOND, GST_VIDEO_INFO_FPS_N (info));
}
gst_video_encoder_set_latency (video_encoder, latency, latency);
encoder->inited = TRUE;
/* Store input state */

14
ext/vpx/gstvp9enc.c
View file

@ -1476,6 +1476,7 @@ gst_vp9_enc_set_format (GstVideoEncoder * video_encoder,
GstVideoInfo *info = &state->info;
GstVideoCodecState *output_state;
gchar *profile_str;
GstClockTime latency;
encoder = GST_VP9_ENC (video_encoder);
GST_DEBUG_OBJECT (video_encoder, "set_format");
@ -1660,13 +1661,16 @@ gst_vp9_enc_set_format (GstVideoEncoder * video_encoder,
}
if (GST_VIDEO_INFO_FPS_D (info) == 0 || GST_VIDEO_INFO_FPS_N (info) == 0) {
gst_video_encoder_set_latency (video_encoder, 0, GST_CLOCK_TIME_NONE);
/* FIXME: Assume 25fps for unknown framerates. Better than reporting
* that we introduce no latency while we actually do
*/
latency = gst_util_uint64_scale (encoder->cfg.g_lag_in_frames,
1 * GST_SECOND, 25);
} else {
gst_video_encoder_set_latency (video_encoder, 0,
gst_util_uint64_scale (encoder->cfg.g_lag_in_frames,
GST_VIDEO_INFO_FPS_D (info) * GST_SECOND,
GST_VIDEO_INFO_FPS_N (info)));
latency = gst_util_uint64_scale (encoder->cfg.g_lag_in_frames,
GST_VIDEO_INFO_FPS_D (info) * GST_SECOND, GST_VIDEO_INFO_FPS_N (info));
}
gst_video_encoder_set_latency (video_encoder, latency, latency);
encoder->inited = TRUE;
/* Store input state */

16
gst/interleave/interleave.c
View file

@ -1079,15 +1079,17 @@ gst_interleave_src_query_latency (GstInterleave * self, GstQuery * query)
if (res) {
gst_query_parse_latency (peerquery, &live_cur, &min_cur, &max_cur);
if (min_cur > min)
min = min_cur;
if (live_cur) {
if (min_cur > min)
min = min_cur;
if (max_cur != GST_CLOCK_TIME_NONE &&
((max != GST_CLOCK_TIME_NONE && max_cur > max) ||
(max == GST_CLOCK_TIME_NONE)))
max = max_cur;
if (max == GST_CLOCK_TIME_NONE)
max = max_cur;
else if (max_cur < max)
max = max_cur;
live = live || live_cur;
live = TRUE;
}
}
gst_query_unref (peerquery);

1
gst/rtsp/gstrtpdec.c
View file

@ -372,6 +372,7 @@ gst_rtp_dec_query_src (GstPad * pad, GstObject * parent, GstQuery * query)
case GST_QUERY_LATENCY:
{
/* we pretend to be live with a 3 second latency */
/* FIXME: Do we really have infinite maximum latency? */
gst_query_set_latency (query, TRUE, 3 * GST_SECOND, -1);
res = TRUE;
break;

16
gst/videomixer/videomixer2.c
View file

@ -1472,15 +1472,17 @@ gst_videomixer2_query_latency (GstVideoMixer2 * mix, GstQuery * query)
if (res) {
gst_query_parse_latency (peerquery, &live_cur, &min_cur, &max_cur);
if (min_cur > min)
min = min_cur;
if (live_cur) {
if (min_cur > min)
min = min_cur;
if (max_cur != GST_CLOCK_TIME_NONE &&
((max != GST_CLOCK_TIME_NONE && max_cur > max) ||
(max == GST_CLOCK_TIME_NONE)))
max = max_cur;
if (max == GST_CLOCK_TIME_NONE)
max = max_cur;
else if (max_cur < max)
max = max_cur;
live = live || live_cur;
live = TRUE;
}
}
gst_query_unref (peerquery);