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Add property to set the maximum allowed time difference between tracks

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This commit is contained in:
Sebastian Dröge 2009-02-04 10:37:20 +01:00
parent fd72ef34f6
commit cc5699340d
2 changed files with 21 additions and 3 deletions
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21
gst/mxf/mxfdemux.c
View file

@ -113,7 +113,8 @@ gst_mxf_demux_pad_init (GstMXFDemuxPad * pad)
enum
{
PROP_0,
PROP_PACKAGE
PROP_PACKAGE,
PROP_MAX_DRIFT
};
static gboolean gst_mxf_demux_sink_event (GstPad * pad, GstEvent * event);
@ -1590,7 +1591,7 @@ gst_mxf_demux_handle_generic_container_essence_element (GstMXFDemux * demux,
GstMXFDemuxPad *earliest = gst_mxf_demux_get_earliest_pad (demux);
if (earliest && earliest != pad && earliest->last_stop < pad->last_stop &&
pad->last_stop - earliest->last_stop > 500 * GST_MSECOND) {
pad->last_stop - earliest->last_stop > demux->max_drift) {
GST_DEBUG_OBJECT (demux, "Pad is too far ahead of time");
continue;
}
@ -2488,7 +2489,7 @@ gst_mxf_demux_pull_and_handle_klv_packet (GstMXFDemux * demux)
GstMXFDemuxPad *earliest = NULL;
/* We allow time drifts of at most 500ms */
while ((earliest = gst_mxf_demux_get_earliest_pad (demux)) &&
demux->segment.last_stop - earliest->last_stop > 500 * GST_MSECOND) {
demux->segment.last_stop - earliest->last_stop > demux->max_drift) {
guint i;
guint64 offset;
gint64 position;
@ -3533,6 +3534,9 @@ gst_mxf_demux_set_property (GObject * object, guint prop_id,
g_free (demux->requested_package_string);
demux->requested_package_string = g_value_dup_string (value);
break;
case PROP_MAX_DRIFT:
demux->max_drift = g_value_get_uint64 (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -3549,6 +3553,9 @@ gst_mxf_demux_get_property (GObject * object, guint prop_id,
case PROP_PACKAGE:
g_value_set_string (value, demux->current_package_string);
break;
case PROP_MAX_DRIFT:
g_value_set_uint64 (value, demux->max_drift);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -3614,6 +3621,12 @@ gst_mxf_demux_class_init (GstMXFDemuxClass * klass)
"Material or Source package to use for playback", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_MAX_DRIFT,
g_param_spec_uint64 ("max-drift", "Maximum drift",
"Maximum number of nanoseconds by which tracks can differ",
100 * GST_MSECOND, G_MAXUINT64, 500 * GST_MSECOND,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_mxf_demux_change_state);
gstelement_class->query = GST_DEBUG_FUNCPTR (gst_mxf_demux_query);
@ -3640,6 +3653,8 @@ gst_mxf_demux_init (GstMXFDemux * demux, GstMXFDemuxClass * g_class)
gst_element_add_pad (GST_ELEMENT (demux), demux->sinkpad);
demux->max_drift = 500 * GST_MSECOND;
demux->adapter = gst_adapter_new ();
demux->src = g_ptr_array_new ();
gst_segment_init (&demux->segment, GST_FORMAT_TIME);

3
gst/mxf/mxfdemux.h
View file

@ -161,7 +161,10 @@ struct _GstMXFDemux
MXFUMID current_package_uid;
MXFMetadataGenericPackage *current_package;
gchar *current_package_string;
/* Properties */
gchar *requested_package_string;
GstClockTime max_drift;
};
struct _GstMXFDemuxClass