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decodebin2: implement max queue size properties

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Wim Taymans 2009-10-23 11:02:40 -04:00 committed by Wim Taymans
parent 3fffb0e2dd
commit 1c982d0dbe
1 changed files with 49 additions and 18 deletions
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67
gst/playback/gstdecodebin2.c
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@ -204,11 +204,24 @@ enum
LAST_SIGNAL
};
/* automatic sizes, while prerolling we buffer up to 2MB, we ignore time
* and buffers in this case. */
#define AUTO_PREROLL_SIZE_BYTES 2 * 1024 * 1024
#define AUTO_PREROLL_SIZE_BUFFERS 0
#define AUTO_PREROLL_SIZE_TIME 0
/* whan playing, keep a max of 2MB of data but try to keep the number of buffers
* as low as possible (try to aim for 5 buffers) */
#define AUTO_PLAY_SIZE_BYTES 2 * 1024 * 1024
#define AUTO_PLAY_SIZE_BUFFERS 5
#define AUTO_PLAY_SIZE_TIME 0
#define DEFAULT_SUBTITLE_ENCODING NULL
#define DEFAULT_USE_BUFFERING FALSE
#define DEFAULT_LOW_PERCENT 10
#define DEFAULT_HIGH_PERCENT 99
#define DEFAULT_MAX_SIZE_BYTES 2 * 1024 * 1024
/* by default we use the automatic values above */
#define DEFAULT_MAX_SIZE_BYTES 0
#define DEFAULT_MAX_SIZE_BUFFERS 0
#define DEFAULT_MAX_SIZE_TIME 0
@ -744,43 +757,36 @@ gst_decode_bin_class_init (GstDecodeBinClass * klass)
*
* Max amount amount of bytes in the queue (0=automatic).
*
* Not implemented yet.
*
* Since: 0.10.26
*/
g_object_class_install_property (gobject_klass, PROP_MAX_SIZE_BYTES,
g_param_spec_uint ("max-size-bytes", "Max. size (bytes)",
"Max. amount of bytes in the queue (0=automatic)"
" (not implemented)", 0, G_MAXUINT, DEFAULT_MAX_SIZE_BYTES,
"Max. amount of bytes in the queue (0=automatic)",
0, G_MAXUINT, DEFAULT_MAX_SIZE_BYTES,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstDecodebin2:max-size-buffers
*
* Max amount amount of buffers in the queue (0=automatic).
*
* Not implemented yet.
*
* Since: 0.10.26
*/
g_object_class_install_property (gobject_klass, PROP_MAX_SIZE_BUFFERS,
g_param_spec_uint ("max-size-buffers", "Max. size (buffers)",
"Max. number of buffers in the queue (0=automatic)"
" (not implemented)", 0, G_MAXUINT,
DEFAULT_MAX_SIZE_BUFFERS,
"Max. number of buffers in the queue (0=automatic)",
0, G_MAXUINT, DEFAULT_MAX_SIZE_BUFFERS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstDecodebin2:max-size-time
*
* Max amount amount of time in the queue (in ns, 0=automatic).
*
* Not implemented yet.
*
* Since: 0.10.26
*/
g_object_class_install_property (gobject_klass, PROP_MAX_SIZE_TIME,
g_param_spec_uint64 ("max-size-time", "Max. size (ns)",
"Max. amount of data in the queue (in ns, 0=automatic)"
" (not implemented)", 0, G_MAXUINT64,
"Max. amount of data in the queue (in ns, 0=automatic)",
0, G_MAXUINT64,
DEFAULT_MAX_SIZE_TIME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
klass->autoplug_continue =
@ -2240,6 +2246,8 @@ gst_decode_group_new (GstDecodeBin * dbin, GstDecodeChain * parent)
{
GstDecodeGroup *group = g_slice_new0 (GstDecodeGroup);
GstElement *mq;
guint max_bytes, max_buffers;
guint64 max_time;
GST_DEBUG_OBJECT (dbin, "Creating new group %p with parent chain %p", group,
parent);
@ -2257,9 +2265,18 @@ gst_decode_group_new (GstDecodeBin * dbin, GstDecodeChain * parent)
return NULL;
}
/* takes queue limits, initially we only queue up up to the max bytes limit,
* with a default of 2MB. */
if ((max_bytes = dbin->max_size_bytes) == 0)
max_bytes = AUTO_PREROLL_SIZE_BYTES;
if ((max_buffers = dbin->max_size_buffers) == 0)
max_buffers = AUTO_PREROLL_SIZE_BUFFERS;
if ((max_time = dbin->max_size_time) == 0)
max_time = AUTO_PREROLL_SIZE_TIME;
g_object_set (G_OBJECT (mq),
"max-size-bytes", (guint) 2 * 1024 * 1024,
"max-size-time", (guint64) 0, "max-size-buffers", (guint) 0, NULL);
"max-size-bytes", max_bytes, "max-size-time", max_time,
"max-size-buffers", max_buffers, NULL);
group->overrunsig = g_signal_connect (G_OBJECT (mq), "overrun",
G_CALLBACK (multi_queue_overrun_cb), group);
@ -2859,6 +2876,9 @@ gst_decode_chain_expose (GstDecodeChain * chain, GList ** endpads)
{
GstDecodeGroup *group;
GList *l;
guint max_bytes, max_buffers;
guint64 max_time;
GstDecodeBin *dbin;
if (chain->deadend)
return TRUE;
@ -2876,14 +2896,25 @@ gst_decode_chain_expose (GstDecodeChain * chain, GList ** endpads)
if (!group->no_more_pads && !group->overrun)
return FALSE;
dbin = group->dbin;
/* update runtime limits. At runtime, we try to keep the amount of buffers
* in the queues as low as possible (but at least 5 buffers). */
if ((max_bytes = dbin->max_size_bytes) == 0)
max_bytes = AUTO_PLAY_SIZE_BYTES;
if ((max_buffers = dbin->max_size_buffers) == 0)
max_buffers = AUTO_PLAY_SIZE_BUFFERS;
if ((max_time = dbin->max_size_time) == 0)
max_time = AUTO_PLAY_SIZE_TIME;
g_object_set (G_OBJECT (group->multiqueue),
"max-size-bytes", 2 * 1024 * 1024, "max-size-buffers", 5, NULL);
"max-size-bytes", max_bytes, "max-size-buffers", max_buffers,
"max-size-time", max_time, NULL);
/* we can now disconnect any overrun signal, which is used to expose the
* group. */
if (group->overrunsig) {
GST_LOG_OBJECT (group->dbin, "Disconnecting overrun");
GST_LOG_OBJECT (dbin, "Disconnecting overrun");
g_signal_handler_disconnect (group->multiqueue, group->overrunsig);
group->overrunsig = 0;
}