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decodebin: Keep the number of buffers after an adaptive streaming demuxer lower

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Usually these buffers are multiple seconds large, and having a maximum
of 5 buffers in the multiqueue there can use a lot of memory. Lower
this to 2 for adaptive streaming demuxers.
This commit is contained in:
Sebastian Dröge 2014-03-06 22:37:44 +01:00
parent 274b4eb870
commit 539eaf73e5
1 changed files with 15 additions and 6 deletions
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21
gst/playback/gstdecodebin2.c
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@ -233,10 +233,11 @@ enum
#define AUTO_PREROLL_NOT_SEEKABLE_SIZE_TIME 10 * GST_SECOND
#define AUTO_PREROLL_SEEKABLE_SIZE_TIME 0
/* whan playing, keep a max of 2MB of data but try to keep the number of buffers
/* when 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_ADAPTIVE_SIZE_BUFFERS 2
#define AUTO_PLAY_SIZE_TIME 0
#define DEFAULT_SUBTITLE_ENCODING NULL
@ -282,7 +283,8 @@ static void type_found (GstElement * typefind, guint probability,
GstCaps * caps, GstDecodeBin * decode_bin);
static void decodebin_set_queue_size (GstDecodeBin * dbin,
GstElement * multiqueue, gboolean preroll, gboolean seekable);
GstElement * multiqueue, gboolean preroll, gboolean seekable,
gboolean adaptive_streaming);
static gboolean gst_decode_bin_autoplug_continue (GstElement * element,
GstPad * pad, GstCaps * caps);
@ -3174,7 +3176,7 @@ gst_decode_group_hide (GstDecodeGroup * group)
* playing or prerolling. */
static void
decodebin_set_queue_size (GstDecodeBin * dbin, GstElement * multiqueue,
gboolean preroll, gboolean seekable)
gboolean preroll, gboolean seekable, gboolean adaptive_streaming)
{
guint max_bytes, max_buffers;
guint64 max_time;
@ -3202,8 +3204,13 @@ decodebin_set_queue_size (GstDecodeBin * dbin, GstElement * multiqueue,
max_bytes = 0;
else if ((max_bytes = dbin->max_size_bytes) == 0)
max_bytes = AUTO_PLAY_SIZE_BYTES;
/* if we're after an adaptive streaming demuxer keep
* a lower number of buffers as they are usually very
* large */
if ((max_buffers = dbin->max_size_buffers) == 0)
max_buffers = AUTO_PLAY_SIZE_BUFFERS;
max_buffers =
(adaptive_streaming ? AUTO_PLAY_ADAPTIVE_SIZE_BUFFERS :
AUTO_PLAY_SIZE_BUFFERS);
/* this is a multiqueue with disabled buffering, don't limit max_time */
if (dbin->use_buffering)
max_time = 0;
@ -3253,7 +3260,8 @@ gst_decode_group_new (GstDecodeBin * dbin, GstDecodeChain * parent)
gst_object_unref (pad);
}
}
decodebin_set_queue_size (dbin, mq, TRUE, seekable);
decodebin_set_queue_size (dbin, mq, TRUE, seekable,
(parent ? parent->adaptive_demuxer : FALSE));
group->overrunsig = g_signal_connect (mq, "overrun",
G_CALLBACK (multi_queue_overrun_cb), group);
@ -3668,7 +3676,8 @@ gst_decode_group_reset_buffering (GstDecodeGroup * group)
"high-percent", group->dbin->high_percent, NULL);
}
decodebin_set_queue_size (group->dbin, group->multiqueue, FALSE,
(group->parent ? group->parent->seekable : TRUE));
(group->parent ? group->parent->seekable : TRUE),
(group->parent ? group->parent->adaptive_demuxer : FALSE));
GST_DEBUG_OBJECT (group->dbin, "Setting %s buffering to %d",
GST_ELEMENT_NAME (group->multiqueue), !ret);