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decodebin3: Rename and refactor function

Browse source 
It was doing a bit more than it did initially, update the name accordingly.

Refactor slightly for visibility

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5052>
This commit is contained in:
Edward Hervey 2023-07-18 11:39:34 +02:00 committed by Edward Hervey
parent 1fd7c2c17a
commit 7e7f02f4f4
2 changed files with 45 additions and 49 deletions
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3
subprojects/gst-plugins-base/gst/playback/gstdecodebin3-parse.c
View file

@ -84,6 +84,7 @@ static gboolean
all_inputs_are_eos (GstDecodebin3 * dbin)
{
GList *tmp;
/* First check input streams */
for (tmp = dbin->input_streams; tmp; tmp = tmp->next) {
DecodebinInputStream *input = (DecodebinInputStream *) tmp->data;
@ -91,7 +92,7 @@ all_inputs_are_eos (GstDecodebin3 * dbin)
return FALSE;
}
GST_DEBUG_OBJECT (dbin, "All streams are EOS");
GST_DEBUG_OBJECT (dbin, "All input streams are EOS");
return TRUE;
}

91
subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c
View file

@ -2362,70 +2362,65 @@ is_selection_done (GstDecodebin3 * dbin)
return msg;
}
/* Must be called with SELECTION_LOCK taken */
/* Must be called with SELECTION_LOCK taken
*
* This code is used to propagate the final EOS if all slots and inputs are
* drained.
**/
static void
check_all_slot_for_eos (GstDecodebin3 * dbin, GstEvent * ev)
check_inputs_and_slots_for_eos (GstDecodebin3 * dbin, GstEvent * ev)
{
gboolean all_drained = TRUE;
GList *iter;
GST_DEBUG_OBJECT (dbin, "check slot for eos");
GST_DEBUG_OBJECT (dbin, "checking slots for eos");
for (iter = dbin->slots; iter; iter = iter->next) {
MultiQueueSlot *slot = iter->data;
if (!slot->output)
continue;
if (slot->is_drained) {
GST_LOG_OBJECT (slot->sink_pad, "slot %p is drained", slot);
continue;
if (slot->output && !slot->is_drained) {
GST_LOG_OBJECT (slot->sink_pad, "Not drained, not all slots are done");
return;
}
all_drained = FALSE;
break;
}
/* Also check with the inputs, data might be pending */
if (all_drained)
all_drained = all_inputs_are_eos (dbin);
if (!all_inputs_are_eos (dbin))
return;
if (all_drained) {
GST_DEBUG_OBJECT (dbin,
"All active slots are drained, and no pending input, push EOS");
GST_DEBUG_OBJECT (dbin,
"All active slots are drained, and no pending input, push EOS");
for (iter = dbin->input_streams; iter; iter = iter->next) {
DecodebinInputStream *input = (DecodebinInputStream *) iter->data;
GstPad *peer = gst_pad_get_peer (input->srcpad);
for (iter = dbin->input_streams; iter; iter = iter->next) {
DecodebinInputStream *input = (DecodebinInputStream *) iter->data;
GstPad *peer = gst_pad_get_peer (input->srcpad);
/* Send EOS to all slots */
if (peer) {
GstEvent *stream_start, *eos;
/* Send EOS to all slots */
if (peer) {
GstEvent *stream_start, *eos;
stream_start =
gst_pad_get_sticky_event (input->srcpad, GST_EVENT_STREAM_START, 0);
stream_start =
gst_pad_get_sticky_event (input->srcpad, GST_EVENT_STREAM_START, 0);
/* First forward a custom STREAM_START event to reset the EOS status (if any) */
if (stream_start) {
GstStructure *s;
GstEvent *custom_stream_start = gst_event_copy (stream_start);
gst_event_unref (stream_start);
s = (GstStructure *) gst_event_get_structure (custom_stream_start);
gst_structure_set (s, "decodebin3-flushing-stream-start",
G_TYPE_BOOLEAN, TRUE, NULL);
gst_pad_send_event (peer, custom_stream_start);
}
/* First forward a custom STREAM_START event to reset the EOS status (if
* any) */
if (stream_start) {
GstStructure *s;
GstEvent *custom_stream_start = gst_event_copy (stream_start);
gst_event_unref (stream_start);
s = (GstStructure *) gst_event_get_structure (custom_stream_start);
gst_structure_set (s, "decodebin3-flushing-stream-start",
G_TYPE_BOOLEAN, TRUE, NULL);
gst_pad_send_event (peer, custom_stream_start);
}
eos = gst_event_new_eos ();
gst_event_set_seqnum (eos, gst_event_get_seqnum (ev));
gst_mini_object_set_qdata (GST_MINI_OBJECT_CAST (eos),
CUSTOM_FINAL_EOS_QUARK, (gchar *) CUSTOM_FINAL_EOS_QUARK_DATA,
NULL);
gst_pad_send_event (peer, eos);
gst_object_unref (peer);
} else
GST_DEBUG_OBJECT (dbin, "no output");
}
eos = gst_event_new_eos ();
gst_event_set_seqnum (eos, gst_event_get_seqnum (ev));
gst_mini_object_set_qdata (GST_MINI_OBJECT_CAST (eos),
CUSTOM_FINAL_EOS_QUARK, (gchar *) CUSTOM_FINAL_EOS_QUARK_DATA, NULL);
gst_pad_send_event (peer, eos);
gst_object_unref (peer);
} else
GST_DEBUG_OBJECT (dbin, "no output");
}
}
@ -2568,7 +2563,7 @@ multiqueue_src_probe (GstPad * pad, GstPadProbeInfo * info,
free_multiqueue_slot_async (dbin, slot);
ret = GST_PAD_PROBE_REMOVE;
} else if (!was_drained) {
check_all_slot_for_eos (dbin, ev);
check_inputs_and_slots_for_eos (dbin, ev);
}
if (ret == GST_PAD_PROBE_HANDLED)
gst_event_unref (ev);
@ -2615,7 +2610,7 @@ multiqueue_src_probe (GstPad * pad, GstPadProbeInfo * info,
* when all output streams are also eos */
ret = GST_PAD_PROBE_DROP;
SELECTION_LOCK (dbin);
check_all_slot_for_eos (dbin, ev);
check_inputs_and_slots_for_eos (dbin, ev);
SELECTION_UNLOCK (dbin);
}
}