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decodebin3: Push EOS to output stream if they are all drained

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decodebin3 checks input streams and pushes EOS if all input streams
are EOSed. If not, fake EOS is pushed to the corresponding slot.

When adaptivedemux is used with multi-track configuration,
adaptivedemux never ever push EOS to non-selected track
because streaming thread for the slot stops with not-linked flow return.
So, decodebin3 should generate EOS itself to finish playback.

https://bugzilla.gnome.org/show_bug.cgi?id=777735
This commit is contained in:
Seungha Yang 2017-01-25 19:51:17 +09:00 committed by Edward Hervey
parent fc67a689af
commit 60cae68c4e
1 changed files with 59 additions and 0 deletions
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59
gst/playback/gstdecodebin3.c
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@ -1479,6 +1479,63 @@ is_selection_done (GstDecodebin3 * dbin)
return msg;
}
/* Must be called with SELECTION_LOCK taken */
static void
check_all_slot_for_eos (GstDecodebin3 * dbin)
{
gboolean all_drained = TRUE;
GList *iter;
GST_DEBUG_OBJECT (dbin, "check slot for eos");
for (iter = dbin->slots; iter; iter = iter->next) {
MultiQueueSlot *slot = iter->data;
if (!slot->output)
continue;
if (slot->is_drained) {
GST_DEBUG_OBJECT (slot->sink_pad, "slot %p is draned", slot);
continue;
}
all_drained = FALSE;
break;
}
if (all_drained) {
INPUT_LOCK (dbin);
if (!pending_pads_are_eos (dbin->main_input))
all_drained = FALSE;
if (all_drained) {
for (iter = dbin->other_inputs; iter; iter = iter->next) {
if (!pending_pads_are_eos ((DecodebinInput *) iter->data)) {
all_drained = FALSE;
break;
}
}
}
INPUT_UNLOCK (dbin);
}
if (all_drained) {
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);
/* Send EOS and then remove elements */
if (peer) {
gst_pad_send_event (peer, gst_event_new_eos ());
gst_object_unref (peer);
}
}
}
}
static GstPadProbeReturn
multiqueue_src_probe (GstPad * pad, GstPadProbeInfo * info,
MultiQueueSlot * slot)
@ -1609,6 +1666,8 @@ multiqueue_src_probe (GstPad * pad, GstPadProbeInfo * info,
dbin->slots = g_list_remove (dbin->slots, slot);
free_multiqueue_slot_async (dbin, slot);
ret = GST_PAD_PROBE_REMOVE;
} else {
check_all_slot_for_eos (dbin);
}
SELECTION_UNLOCK (dbin);
}