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basesink: Improve clarity of latency query maths debug message

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Add the equation to the debug message to make it easier for non-GStreamer
experts to understand why their pipeline has latency.
This commit is contained in:
Olivier Crête 2020-02-24 15:24:44 -05:00 committed by GStreamer Merge Bot
parent 0bf31fb1d8
commit 19f414c0d1
1 changed files with 12 additions and 4 deletions
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16
libs/gst/base/gstbasesink.c
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@ -570,8 +570,8 @@ gst_base_sink_class_init (GstBaseSinkClass * klass)
*/
g_object_class_install_property (gobject_class, PROP_PROCESSING_DEADLINE,
g_param_spec_uint64 ("processing-deadline", "Processing deadline",
"Maximum processing deadline in nanoseconds", 0, G_MAXUINT64,
DEFAULT_PROCESSING_DEADLINE,
"Maximum processing time for a buffer in nanoseconds", 0,
G_MAXUINT64, DEFAULT_PROCESSING_DEADLINE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
@ -1222,6 +1222,8 @@ gst_base_sink_query_latency (GstBaseSink * sink, gboolean * live,
min = 0;
max = -1;
us_live = FALSE;
us_min = 0;
us_max = 0;
if (have_latency) {
GST_DEBUG_OBJECT (sink, "we are ready for LATENCY query");
@ -1283,8 +1285,14 @@ gst_base_sink_query_latency (GstBaseSink * sink, gboolean * live,
if (res) {
GST_DEBUG_OBJECT (sink, "latency query: live: %d, have_latency %d,"
" upstream: %d, min %" GST_TIME_FORMAT ", max %" GST_TIME_FORMAT, l,
have_latency, us_live, GST_TIME_ARGS (min), GST_TIME_ARGS (max));
" upstream_live %d, min(%" GST_TIME_FORMAT ")=upstream(%"
GST_TIME_FORMAT ")+processing_deadline(%" GST_TIME_FORMAT
")+render_delay(%" GST_TIME_FORMAT "), max(%" GST_TIME_FORMAT
")=upstream(%" GST_TIME_FORMAT ")+render_delay(%" GST_TIME_FORMAT ")",
l, have_latency, us_live, GST_TIME_ARGS (min), GST_TIME_ARGS (us_min),
GST_TIME_ARGS (processing_deadline), GST_TIME_ARGS (render_delay),
GST_TIME_ARGS (max), GST_TIME_ARGS (us_max),
GST_TIME_ARGS (render_delay));
if (live)
*live = l;