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mpegtsmux: Wait for data on all pads before deciding on a best pad unless timing out

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This makes sure that if upstream has different latencies that we're still
outputting buffers with increasining timestamps across the different streams
unless buffers are arriving after the latency deadline.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7500>
This commit is contained in:
Sebastian Dröge 2024-09-11 08:40:42 +03:00 committed by GStreamer Marge Bot
parent 256a941d3a
commit cd5d03811d
1 changed files with 9 additions and 3 deletions
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12
subprojects/gst-plugins-bad/gst/mpegtsmux/gstbasetsmux.c
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@ -2453,7 +2453,7 @@ beach:
}
static GstBaseTsMuxPad *
gst_base_ts_mux_find_best_pad (GstAggregator * aggregator)
gst_base_ts_mux_find_best_pad (GstAggregator * aggregator, gboolean timeout)
{
GstBaseTsMuxPad *best = NULL;
GstClockTime best_ts = GST_CLOCK_TIME_NONE;
@ -2467,8 +2467,14 @@ gst_base_ts_mux_find_best_pad (GstAggregator * aggregator)
GstBuffer *buffer;
buffer = gst_aggregator_pad_peek_buffer (apad);
if (!buffer)
if (!buffer) {
if (!timeout && !GST_PAD_IS_EOS (apad)) {
gst_object_replace ((GstObject **) & best, NULL);
best_ts = GST_CLOCK_TIME_NONE;
break;
}
continue;
}
if (best_ts == GST_CLOCK_TIME_NONE) {
best = tpad;
best_ts = GST_BUFFER_DTS_OR_PTS (buffer);
@ -2522,7 +2528,7 @@ gst_base_ts_mux_aggregate (GstAggregator * agg, gboolean timeout)
{
GstBaseTsMux *mux = GST_BASE_TS_MUX (agg);
GstFlowReturn ret = GST_FLOW_OK;
GstBaseTsMuxPad *best = gst_base_ts_mux_find_best_pad (agg);
GstBaseTsMuxPad *best = gst_base_ts_mux_find_best_pad (agg, timeout);
GstCaps *caps;
/* set caps on the srcpad if no caps were set yet */