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decodebin2: more cleanups and docs.

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Add some more comments and use g_list_prepend().
This commit is contained in:
Wim Taymans 2009-03-19 19:35:15 +01:00
parent 17e7948325
commit 20468a22c9
1 changed files with 18 additions and 23 deletions
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41
gst/playback/gstdecodebin2.c
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@ -247,12 +247,13 @@ struct _GstDecodeGroup
GstDecodeBin *dbin;
GMutex *lock;
GstElement *multiqueue;
gboolean exposed; /* TRUE if this group is exposed */
gboolean drained; /* TRUE if EOS went throug all endpads */
gboolean drained; /* TRUE if EOS went through all endpads */
gboolean blocked; /* TRUE if all endpads are blocked */
gboolean complete; /* TRUE if we are not expecting anymore streams
* on this group */
gulong overrunsig;
gulong overrunsig; /* the overrun signal for multiqueue */
guint nbdynamic; /* number of dynamic pads in the group. */
GList *endpads; /* List of GstDecodePad of source pads to be exposed */
@ -293,15 +294,15 @@ static void gst_decode_group_free (GstDecodeGroup * group);
*
* GstPad private used for source pads of groups
*/
struct _GstDecodePad
{
GstGhostPad parent;
GstDecodeBin *dbin;
GstDecodeGroup *group;
gboolean blocked;
gboolean drained;
gboolean added;
gboolean blocked; /* the pad is blocked */
gboolean drained; /* an EOS has been seen on the pad */
gboolean added; /* the pad is added to decodebin */
};
G_DEFINE_TYPE (GstDecodePad, gst_decode_pad, GST_TYPE_GHOST_PAD);
@ -314,15 +315,6 @@ static void gst_decode_pad_activate (GstDecodePad * dpad,
GstDecodeGroup * group);
static void gst_decode_pad_unblock (GstDecodePad * dpad);
/* TempPadStruct
* Internal structure used for pads which have more than one structure.
*/
typedef struct _TempPadStruct
{
GstDecodeBin *dbin;
GstDecodeGroup *group;
} TempPadStruct;
/********************************
* Standard GObject boilerplate *
********************************/
@ -1814,7 +1806,7 @@ get_current_group (GstDecodeBin * dbin, gboolean create, gboolean as_demux,
if (group == NULL && create) {
group = gst_decode_group_new (dbin, as_demux);
GST_LOG_OBJECT (dbin, "added group %p, demux %d", group, as_demux);
dbin->groups = g_list_append (dbin->groups, group);
dbin->groups = g_list_prepend (dbin->groups, group);
if (created)
*created = TRUE;
/* demuxers are dynamic, we need no-more-pads or overrun now */
@ -1855,7 +1847,7 @@ gst_decode_group_control_demuxer_pad (GstDecodeGroup * group, GstPad * pad)
goto beach;
}
group->reqpads = g_list_append (group->reqpads, sinkpad);
group->reqpads = g_list_prepend (group->reqpads, sinkpad);
sinkname = gst_pad_get_name (sinkpad);
nb = sinkname + 4;
@ -1890,7 +1882,7 @@ gst_decode_group_control_source_pad (GstDecodeGroup * group,
gst_decode_pad_activate (dpad, group);
GROUP_MUTEX_LOCK (group);
group->endpads = g_list_append (group->endpads, gst_object_ref (dpad));
group->endpads = g_list_prepend (group->endpads, gst_object_ref (dpad));
GROUP_MUTEX_UNLOCK (group);
return TRUE;
@ -2240,7 +2232,7 @@ gst_decode_group_hide (GstDecodeGroup * group)
GROUP_MUTEX_UNLOCK (group);
group->dbin->activegroup = NULL;
group->dbin->oldgroups = g_list_append (group->dbin->oldgroups, group);
group->dbin->oldgroups = g_list_prepend (group->dbin->oldgroups, group);
}
static void
@ -2376,8 +2368,11 @@ static void
gst_decode_group_set_complete (GstDecodeGroup * group)
{
gboolean expose = FALSE;
GstDecodeBin *dbin;
GST_LOG_OBJECT (group->dbin, "Setting group %p to COMPLETE", group);
dbin = group->dbin;
GST_LOG_OBJECT (dbin, "Setting group %p to COMPLETE", group);
GROUP_MUTEX_LOCK (group);
group->complete = TRUE;
@ -2388,10 +2383,10 @@ gst_decode_group_set_complete (GstDecodeGroup * group)
/* don't do anything if not blocked completely */
if (expose) {
DECODE_BIN_LOCK (group->dbin);
DECODE_BIN_LOCK (dbin);
if (!gst_decode_group_expose (group))
GST_WARNING_OBJECT (group->dbin, "Couldn't expose group");
DECODE_BIN_UNLOCK (group->dbin);
GST_WARNING_OBJECT (dbin, "Couldn't expose group");
DECODE_BIN_UNLOCK (dbin);
}
}