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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 13:43:11 +01:00
parent cdd86d025a
commit 8547594727
8 changed files with 43 additions and 40 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
gst-libs/gst/app/gstappsrc.c
View file

@ -887,10 +887,10 @@ gst_app_src_query (GstBaseSrc * src, GstQuery * query)
/* overwrite with our values when we need to */
g_mutex_lock (&priv->mutex);
if (priv->min_latency != -1)
if (priv->min_latency != -1) {
min = priv->min_latency;
if (priv->max_latency != -1)
max = priv->max_latency;
}
g_mutex_unlock (&priv->mutex);
gst_query_set_latency (query, live, min, max);

1
gst-libs/gst/audio/gstaudiobasesink.c
View file

@ -464,7 +464,6 @@ gst_audio_base_sink_query (GstElement * element, GstQuery * query)
* amount of time. */
max_latency = (max_l == -1) ? -1 : (base_latency + max_l);
GST_DEBUG_OBJECT (basesink,
"peer min %" GST_TIME_FORMAT ", our min latency: %"
GST_TIME_FORMAT, GST_TIME_ARGS (min_l),

9
gst-libs/gst/audio/gstaudiodecoder.c
View file

@ -521,7 +521,7 @@ gst_audio_decoder_init (GstAudioDecoder * dec, GstAudioDecoderClass * klass)
/* init state */
dec->priv->ctx.min_latency = 0;
dec->priv->ctx.max_latency = GST_CLOCK_TIME_NONE;
dec->priv->ctx.max_latency = 0;
gst_audio_decoder_reset (dec, TRUE);
GST_DEBUG_OBJECT (dec, "init ok");
}
@ -2692,9 +2692,10 @@ gst_audio_decoder_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
GST_OBJECT_LOCK (dec);
/* add our latency */
if (min_latency != -1)
min_latency += dec->priv->ctx.min_latency;
if (max_latency != -1 && dec->priv->ctx.max_latency != -1)
min_latency += dec->priv->ctx.min_latency;
if (max_latency == -1 || dec->priv->ctx.max_latency == -1)
max_latency = -1;
else
max_latency += dec->priv->ctx.max_latency;
GST_OBJECT_UNLOCK (dec);

9
gst-libs/gst/audio/gstaudioencoder.c
View file

@ -447,7 +447,7 @@ gst_audio_encoder_init (GstAudioEncoder * enc, GstAudioEncoderClass * bclass)
/* init state */
enc->priv->ctx.min_latency = 0;
enc->priv->ctx.max_latency = GST_CLOCK_TIME_NONE;
enc->priv->ctx.max_latency = 0;
gst_audio_encoder_reset (enc, TRUE);
GST_DEBUG_OBJECT (enc, "init ok");
}
@ -1837,9 +1837,10 @@ gst_audio_encoder_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
GST_OBJECT_LOCK (enc);
/* add our latency */
if (min_latency != -1)
min_latency += enc->priv->ctx.min_latency;
if (max_latency != -1 && enc->priv->ctx.max_latency != -1)
min_latency += enc->priv->ctx.min_latency;
if (max_latency == -1 || enc->priv->ctx.max_latency == -1)
max_latency = -1;
else
max_latency += enc->priv->ctx.max_latency;
GST_OBJECT_UNLOCK (enc);

11
gst-libs/gst/video/gstvideodecoder.c
View file

@ -569,7 +569,7 @@ gst_video_decoder_init (GstVideoDecoder * decoder, GstVideoDecoderClass * klass)
decoder->priv->needs_format = FALSE;
decoder->priv->min_latency = 0;
decoder->priv->max_latency = GST_CLOCK_TIME_NONE;
decoder->priv->max_latency = 0;
gst_video_decoder_reset (decoder, TRUE, TRUE);
}
@ -1541,12 +1541,11 @@ gst_video_decoder_src_query_default (GstVideoDecoder * dec, GstQuery * query)
GST_OBJECT_LOCK (dec);
min_latency += dec->priv->min_latency;
if (max_latency != GST_CLOCK_TIME_NONE
&& dec->priv->max_latency != GST_CLOCK_TIME_NONE) {
if (max_latency == GST_CLOCK_TIME_NONE
|| dec->priv->max_latency == GST_CLOCK_TIME_NONE)
max_latency = GST_CLOCK_TIME_NONE;
else
max_latency += dec->priv->max_latency;
} else if (dec->priv->max_latency != GST_CLOCK_TIME_NONE) {
max_latency = dec->priv->max_latency;
}
GST_OBJECT_UNLOCK (dec);
gst_query_set_latency (query, live, min_latency, max_latency);

11
gst-libs/gst/video/gstvideoencoder.c
View file

@ -454,7 +454,7 @@ gst_video_encoder_init (GstVideoEncoder * encoder, GstVideoEncoderClass * klass)
priv->new_headers = FALSE;
priv->min_latency = 0;
priv->max_latency = GST_CLOCK_TIME_NONE;
priv->max_latency = 0;
gst_video_encoder_reset (encoder, TRUE);
}
@ -1199,12 +1199,11 @@ gst_video_encoder_src_query_default (GstVideoEncoder * enc, GstQuery * query)
GST_OBJECT_LOCK (enc);
min_latency += priv->min_latency;
if (max_latency != GST_CLOCK_TIME_NONE
&& enc->priv->max_latency != GST_CLOCK_TIME_NONE) {
if (max_latency == GST_CLOCK_TIME_NONE
|| enc->priv->max_latency == GST_CLOCK_TIME_NONE)
max_latency = GST_CLOCK_TIME_NONE;
else
max_latency += enc->priv->max_latency;
} else if (enc->priv->max_latency != GST_CLOCK_TIME_NONE) {
max_latency = enc->priv->max_latency;
}
GST_OBJECT_UNLOCK (enc);
gst_query_set_latency (query, live, min_latency, max_latency);

16
gst/adder/gstadder.c
View file

@ -527,15 +527,17 @@ gst_adder_query_latency (GstAdder * adder, 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);

22
gst/playback/gsturidecodebin.c
View file

@ -2564,16 +2564,18 @@ decoder_query_latency_fold (const GValue * item, GValue * ret, QueryFold * fold)
"got latency min %" GST_TIME_FORMAT ", max %" GST_TIME_FORMAT
", live %d", GST_TIME_ARGS (min), GST_TIME_ARGS (max), live);
/* for the combined latency we collect the MAX of all min latencies and
* the MIN of all max latencies */
if (min > fold->min)
fold->min = min;
if (fold->max == -1)
fold->max = max;
else if (max < fold->max)
fold->max = max;
if (!fold->live)
fold->live = live;
if (live) {
/* for the combined latency we collect the MAX of all min latencies and
* the MIN of all max latencies */
if (min > fold->min)
fold->min = min;
if (fold->max == -1)
fold->max = max;
else if (max < fold->max)
fold->max = max;
fold->live = TRUE;
}
}
return TRUE;