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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 13:56:48 +01:00
parent 5dd1a28906
commit 7dc03df3de
2 changed files with 16 additions and 15 deletions
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28
ext/x264/gstx264enc.c
View file

@ -1728,25 +1728,27 @@ static void
gst_x264_enc_set_latency (GstX264Enc * encoder)
{
GstVideoInfo *info = &encoder->input_state->info;
gint max_delayed_frames;
GstClockTime latency;
max_delayed_frames = x264_encoder_maximum_delayed_frames (encoder->x264enc);
if (info->fps_n) {
GstClockTime latency;
gint max_delayed_frames;
max_delayed_frames = x264_encoder_maximum_delayed_frames (encoder->x264enc);
latency = gst_util_uint64_scale_ceil (GST_SECOND * info->fps_d,
max_delayed_frames, info->fps_n);
GST_INFO_OBJECT (encoder,
"Updating latency to %" GST_TIME_FORMAT " (%d frames)",
GST_TIME_ARGS (latency), max_delayed_frames);
gst_video_encoder_set_latency (GST_VIDEO_ENCODER (encoder), latency,
GST_CLOCK_TIME_NONE);
} else {
/* We can't do live as we don't know our latency */
gst_video_encoder_set_latency (GST_VIDEO_ENCODER (encoder),
0, GST_CLOCK_TIME_NONE);
/* FIXME: Assume 25fps. This is better than reporting no latency at
* all and then later failing in live pipelines
*/
latency = gst_util_uint64_scale_ceil (GST_SECOND * 1,
max_delayed_frames, 25);
}
GST_INFO_OBJECT (encoder,
"Updating latency to %" GST_TIME_FORMAT " (%d frames)",
GST_TIME_ARGS (latency), max_delayed_frames);
gst_video_encoder_set_latency (GST_VIDEO_ENCODER (encoder), latency, latency);
}
static gboolean

3
gst/asfdemux/gstasfdemux.c
View file

@ -4335,8 +4335,7 @@ gst_asf_demux_handle_src_query (GstPad * pad, GstObject * parent,
GST_TIME_ARGS (min), GST_TIME_ARGS (max));
GST_OBJECT_LOCK (demux);
if (min != -1)
min += demux->latency;
min += demux->latency;
if (max != -1)
max += demux->latency;
GST_OBJECT_UNLOCK (demux);