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scte-section: add support for SCHEDULE commands

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
This commit is contained in:
Mathieu Duponchelle 2021-04-13 20:51:09 +02:00 committed by GStreamer Marge Bot
parent ab0ab46f13
commit 66533ea77d
2 changed files with 35 additions and 6 deletions
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33
subprojects/gst-plugins-bad/gst-libs/gst/mpegts/gst-scte-section.c
View file

@ -83,11 +83,17 @@ _parse_splice_event (guint8 ** orig_data, guint8 * end, gboolean insert_event)
event->out_of_network_indicator = *data >> 7;
event->program_splice_flag = (*data >> 6) & 0x01;
event->duration_flag = (*data >> 5) & 0x01;
event->splice_immediate_flag = (*data >> 4) & 0x01;
if (insert_event)
event->splice_immediate_flag = (*data >> 4) & 0x01;
GST_LOG ("out_of_network_indicator:%d", event->out_of_network_indicator);
GST_LOG ("program_splice_flag:%d", event->program_splice_flag);
GST_LOG ("duration_flag:%d", event->duration_flag);
GST_LOG ("splice_immediate_flag:%d", event->splice_immediate_flag);
if (insert_event)
GST_LOG ("splice_immediate_flag:%d", event->splice_immediate_flag);
data += 1;
if (event->program_splice_flag == 0) {
@ -95,7 +101,7 @@ _parse_splice_event (guint8 ** orig_data, guint8 * end, gboolean insert_event)
goto error;
}
if (event->splice_immediate_flag == 0) {
if (insert_event && event->splice_immediate_flag == 0) {
event->program_splice_time_specified = *data >> 7;
if (event->program_splice_time_specified) {
event->program_splice_time = ((guint64) (*data & 0x01)) << 32;
@ -107,6 +113,10 @@ _parse_splice_event (guint8 ** orig_data, guint8 * end, gboolean insert_event)
GST_TIME_ARGS (MPEGTIME_TO_GSTTIME (event->program_splice_time)));
} else
data += 1;
} else if (!insert_event) {
event->utc_splice_time = GST_READ_UINT32_BE (data);
GST_LOG ("utc_splice_time %u", event->utc_splice_time);
data += 4;
}
if (event->duration_flag) {
@ -257,6 +267,21 @@ _parse_sit (GstMpegtsSection * section)
data += 1;
}
break;
case GST_MTS_SCTE_SPLICE_COMMAND_SCHEDULE:
{
guint i;
guint splice_count = *data;
data += 1;
for (i = 0; i < splice_count; i++) {
GstMpegtsSCTESpliceEvent *event =
_parse_splice_event (&data, end, FALSE);
if (event == NULL)
goto error;
g_ptr_array_add (sit->splices, event);
}
}
break;
case GST_MTS_SCTE_SPLICE_COMMAND_INSERT:
{
GstMpegtsSCTESpliceEvent *event = _parse_splice_event (&data, end, TRUE);
@ -419,6 +444,7 @@ gst_mpegts_scte_splice_in_new (guint32 event_id, GstClockTime splice_time)
sit->splice_command_type = GST_MTS_SCTE_SPLICE_COMMAND_INSERT;
event->splice_event_id = event_id;
event->insert_event = TRUE;
if (splice_time == G_MAXUINT64) {
event->splice_immediate_flag = TRUE;
} else {
@ -457,6 +483,7 @@ gst_mpegts_scte_splice_out_new (guint32 event_id, GstClockTime splice_time,
sit->splice_command_type = GST_MTS_SCTE_SPLICE_COMMAND_INSERT;
event->splice_event_id = event_id;
event->out_of_network_indicator = TRUE;
event->insert_event = TRUE;
if (splice_time == G_MAXUINT64) {
event->splice_immediate_flag = TRUE;
} else {

8
subprojects/gst-plugins-bad/gst-libs/gst/mpegts/gst-scte-section.h
View file

@ -118,10 +118,12 @@ struct _GstMpegtsSCTESpliceEvent {
gboolean out_of_network_indicator;
gboolean program_splice_flag; /* NOTE: Only program splice are supported */
gboolean duration_flag;
gboolean splice_immediate_flag; /* Only valid for insert_event */
gboolean program_splice_time_specified;
guint64 program_splice_time;
gboolean splice_immediate_flag; /* Only valid for insert_event */
gboolean program_splice_time_specified; /* Only valid for insert_event */
guint64 program_splice_time; /* Only valid for insert_event */
guint32 utc_splice_time; /* Only valid for !insert_event (schedule) */
gboolean break_duration_auto_return;
guint64 break_duration;