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mpegtsmux: Disable aggregator's default negotiation

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mpegtsmux can't negotiate caps with upstream/downstream and always outputs
specific caps based on the input streams. This will always happen before
it produces the first buffers.

By having the default aggregator negotiation enabled the same caps
would be pushed twice in the beginning, and again every time a
reconfigure event is received.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2381>
This commit is contained in:
Sebastian Dröge 2022-05-05 20:35:49 +03:00 committed by Tim-Philipp Müller
parent 8f7a2f1311
commit e7d5733178
1 changed files with 5 additions and 20 deletions
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25
subprojects/gst-plugins-bad/gst/mpegtsmux/gstbasetsmux.c
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@ -263,15 +263,14 @@ gst_base_ts_mux_set_header_on_caps (GstBaseTsMux * mux)
GValue value = { 0 };
GstCaps *caps;
caps = gst_pad_get_current_caps (GST_AGGREGATOR_SRC_PAD (mux));
/* If we have no caps, we are possibly shutting down */
if (!caps)
return;
caps = gst_pad_get_pad_template_caps (GST_AGGREGATOR_SRC_PAD (mux));
caps = gst_caps_make_writable (caps);
structure = gst_caps_get_structure (caps, 0);
gst_structure_set (structure, "packetsize", G_TYPE_INT, mux->packet_size,
NULL);
g_value_init (&array, GST_TYPE_ARRAY);
GST_LOG_OBJECT (mux, "setting %u packets into streamheader",
@ -2249,20 +2248,6 @@ beach:
return ret;
}
static GstFlowReturn
gst_base_ts_mux_update_src_caps (GstAggregator * agg, GstCaps * caps,
GstCaps ** ret)
{
GstBaseTsMux *mux = GST_BASE_TS_MUX (agg);
GstStructure *s;
*ret = gst_caps_copy (caps);
s = gst_caps_get_structure (*ret, 0);
gst_structure_set (s, "packetsize", G_TYPE_INT, mux->packet_size, NULL);
return GST_FLOW_OK;
}
static GstBaseTsMuxPad *
gst_base_ts_mux_find_best_pad (GstAggregator * aggregator)
{
@ -2629,7 +2614,7 @@ gst_base_ts_mux_class_init (GstBaseTsMuxClass * klass)
gstelement_class->release_pad = gst_base_ts_mux_release_pad;
gstelement_class->send_event = gst_base_ts_mux_send_event;
gstagg_class->update_src_caps = gst_base_ts_mux_update_src_caps;
gstagg_class->negotiate = NULL;
gstagg_class->aggregate = gst_base_ts_mux_aggregate;
gstagg_class->clip = gst_base_ts_mux_clip;
gstagg_class->sink_event = gst_base_ts_mux_sink_event;