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splitmuxsink: added a "split now" action signal

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Now, the video file can be split at an arbitrary time chosen by the user.

https://bugzilla.gnome.org/show_bug.cgi?id=787922
This commit is contained in:
John Nikolaides 2017-09-21 18:23:54 +03:00 committed by Vivia Nikolaidou
parent 66f253ed9b
commit 91dfc20a04
2 changed files with 38 additions and 0 deletions
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33
gst/multifile/gstsplitmuxsink.c
View file

@ -69,6 +69,8 @@ GST_DEBUG_CATEGORY_STATIC (splitmux_debug);
#define GST_SPLITMUX_WAIT_OUTPUT(s) g_cond_wait (&(s)->output_cond, &(s)->lock)
#define GST_SPLITMUX_BROADCAST_OUTPUT(s) g_cond_broadcast (&(s)->output_cond)
static void split_now (GstSplitMuxSink * splitmux);
enum
{
PROP_0,
@ -99,6 +101,7 @@ enum
{
SIGNAL_FORMAT_LOCATION,
SIGNAL_FORMAT_LOCATION_FULL,
SIGNAL_SPLIT_NOW,
SIGNAL_LAST
};
@ -305,6 +308,23 @@ gst_splitmux_sink_class_init (GstSplitMuxSinkClass * klass)
g_signal_new ("format-location-full", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_STRING, 2, G_TYPE_UINT,
GST_TYPE_SAMPLE);
/**
* GstSplitMuxSink::split-now:
* @splitmux: the #GstSplitMuxSink
*
* When called by the user, this action signal splits the video file (and begins a new one) immediately.
*
*
* Since: 1.14
*/
signals[SIGNAL_SPLIT_NOW] =
g_signal_new ("split-now", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstSplitMuxSinkClass,
split_now), NULL, NULL, NULL, G_TYPE_NONE, 0);
klass->split_now = split_now;
}
static void
@ -327,6 +347,7 @@ gst_splitmux_sink_init (GstSplitMuxSink * splitmux)
splitmux->threshold_timecode_str = NULL;
GST_OBJECT_FLAG_SET (splitmux, GST_ELEMENT_FLAG_SINK);
splitmux->split_now = FALSE;
}
static void
@ -1262,6 +1283,10 @@ need_new_fragment (GstSplitMuxSink * splitmux,
if (splitmux->fragment_total_bytes <= 0)
return FALSE;
/* User told us to split now */
if (g_atomic_int_get (&(splitmux->split_now)) == TRUE)
return TRUE;
if (thresh_bytes > 0 && queued_bytes >= thresh_bytes)
return TRUE; /* Would overrun byte limit */
@ -1358,6 +1383,7 @@ handle_gathered_gop (GstSplitMuxSink * splitmux)
/* Check for overrun - have we output at least one byte and overrun
* either threshold? */
if (need_new_fragment (splitmux, queued_time, queued_gop_time, queued_bytes)) {
g_atomic_int_set (&(splitmux->split_now), FALSE);
/* Tell the output side to start a new fragment */
GST_INFO_OBJECT (splitmux,
"This GOP (dur %" GST_STIME_FORMAT
@ -2354,6 +2380,7 @@ gst_splitmux_sink_change_state (GstElement * element, GstStateChange transition)
break;
}
case GST_STATE_CHANGE_PAUSED_TO_READY:
g_atomic_int_set (&(splitmux->split_now), FALSE);
case GST_STATE_CHANGE_READY_TO_NULL:
GST_SPLITMUX_LOCK (splitmux);
splitmux->output_state = SPLITMUX_OUTPUT_STATE_STOPPED;
@ -2432,3 +2459,9 @@ gst_splitmux_sink_ensure_max_files (GstSplitMuxSink * splitmux)
splitmux->fragment_id = 0;
}
}
static void
split_now (GstSplitMuxSink * splitmux)
{
g_atomic_int_set (&(splitmux->split_now), TRUE);
}

5
gst/multifile/gstsplitmuxsink.h
View file

@ -168,11 +168,16 @@ struct _GstSplitMuxSink
gboolean use_robust_muxing;
gboolean muxer_has_reserved_props;
gboolean split_now;
};
struct _GstSplitMuxSinkClass
{
GstBinClass parent_class;
/* actions */
void (*split_now) (GstSplitMuxSink * splitmux);
};
G_END_DECLS