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decodebin3: Remove un-needed variable

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pending_select_streams was only set just before releasing/taking the selection
lock in a single place. That temporary lock release is not needed and therefore
the variable isn't needed either
This commit is contained in:
Edward Hervey 2024-03-25 12:05:36 +01:00
parent c2b29d8b23
commit 4986789b07
1 changed files with 29 additions and 33 deletions
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62
subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c
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@ -258,8 +258,6 @@ struct _GstDecodebin3
GList *to_activate;
/* Pending select streams event */
guint32 select_streams_seqnum;
/* There is a pending GST_EVENT_SELECT_STREAMS being handled */
gboolean pending_select_streams;
/* TRUE if requested_selection was updated, will become FALSE once
* it has fully transitioned to active */
gboolean selection_updated;
@ -730,8 +728,6 @@ gst_decodebin3_reset (GstDecodebin3 * dbin)
dbin->select_streams_seqnum = GST_SEQNUM_INVALID;
dbin->pending_select_streams = FALSE;
dbin->selection_updated = FALSE;
}
@ -2313,12 +2309,6 @@ update_requested_selection (GstDecodebin3 * dbin)
/* 1. Is there a pending SELECT_STREAMS we can return straight away since
* the switch handler will take care of the pending selection */
SELECTION_LOCK (dbin);
if (dbin->pending_select_streams) {
GST_DEBUG_OBJECT (dbin,
"No need to create pending selection, SELECT_STREAMS underway");
goto beach;
}
collection = dbin->collection;
if (G_UNLIKELY (collection == NULL)) {
GST_DEBUG_OBJECT (dbin, "No current GstStreamCollection");
@ -4015,11 +4005,19 @@ mq_slot_unassign_probe (GstPad * pad, GstPadProbeInfo * info,
return GST_PAD_PROBE_REMOVE;
}
static gboolean
/** handle_stream_switch:
* @dbin: A #GstDecodebin3
* @select_streams: The list of stream-id to switch to
* @seqnum: The seqnum of the event that triggered this
*
* Figures out which slots to (de)activate for the given @select_streams.
*
* Must be called with SELECTION_LOCK taken.
*/
static void
handle_stream_switch (GstDecodebin3 * dbin, GList * select_streams,
guint32 seqnum)
{
gboolean ret = TRUE;
GList *tmp;
/* List of slots to (de)activate. */
GList *slots_to_deactivate = NULL;
@ -4032,14 +4030,10 @@ handle_stream_switch (GstDecodebin3 * dbin, GList * select_streams,
GList *pending_streams = NULL;
GList *slots_to_reassign = NULL;
SELECTION_LOCK (dbin);
if (G_UNLIKELY (seqnum != dbin->select_streams_seqnum)) {
GST_DEBUG_OBJECT (dbin, "New SELECT_STREAMS has arrived in the meantime");
SELECTION_UNLOCK (dbin);
return TRUE;
return;
}
/* Remove pending select_streams */
dbin->pending_select_streams = FALSE;
/* COMPARE the requested streams to the active and requested streams
* on multiqueue. */
@ -4224,7 +4218,7 @@ handle_stream_switch (GstDecodebin3 * dbin, GList * select_streams,
if (slots_to_reassign)
g_list_free (slots_to_reassign);
return ret;
SELECTION_LOCK (dbin);
}
/*
@ -4246,28 +4240,30 @@ handle_select_streams (GstDecodebin3 * dbin, GstEvent * event)
return FALSE;
}
SELECTION_LOCK (dbin);
if (seqnum == dbin->select_streams_seqnum) {
SELECTION_UNLOCK (dbin);
GST_DEBUG_OBJECT (dbin,
"Already handled/handling that SELECT_STREAMS event");
gst_event_parse_select_streams (event, &streams);
if (streams == NULL) {
GST_DEBUG_OBJECT (dbin, "No streams in select streams");
gst_event_unref (event);
return TRUE;
}
dbin->select_streams_seqnum = seqnum;
if (dbin->pending_select_streams)
GST_LOG_OBJECT (dbin, "Replacing pending select streams");
dbin->pending_select_streams = TRUE;
gst_event_parse_select_streams (event, &streams);
SELECTION_UNLOCK (dbin);
SELECTION_LOCK (dbin);
/* Find the collection to which these list of streams apply */
/* Finally handle the switch */
if (streams) {
handle_stream_switch (dbin, streams, seqnum);
g_list_free_full (streams, g_free);
if (seqnum == dbin->select_streams_seqnum) {
GST_DEBUG_OBJECT (dbin,
"Already handled/handling that SELECT_STREAMS event");
goto beach;
}
dbin->select_streams_seqnum = seqnum;
/* Finally handle the switch */
handle_stream_switch (dbin, streams, seqnum);
g_list_free_full (streams, g_free);
beach:
SELECTION_UNLOCK (dbin);
gst_event_unref (event);
return TRUE;
}