static void
gst_timecodestamper_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstTimeCodeStamper *timecodestamper = GST_TIME_CODE_STAMPER (object);
switch (prop_id) {
case PROP_OVERRIDE_EXISTING:
g_value_set_boolean (value, timecodestamper->override_existing);
break;
case PROP_DROP_FRAME:
g_value_set_boolean (value, timecodestamper->drop_frame);
break;
case PROP_SOURCE_CLOCK:
g_value_set_object (value, timecodestamper->source_clock);
break;
case PROP_DAILY_JAM:
g_value_set_boxed (value,
timecodestamper->current_tc->config.latest_daily_jam);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_timecodestamper_stop (GstBaseTransform * trans)
{
GstTimeCodeStamper *timecodestamper = GST_TIME_CODE_STAMPER (trans);
gst_video_info_init (&timecodestamper->vinfo);
return TRUE;
}
static GstFlowReturn
gst_timecodestamper_transform_ip (GstBaseTransform * vfilter,
GstBuffer * buffer)
{
GstTimeCodeStamper *timecodestamper = GST_TIME_CODE_STAMPER (vfilter);
GstVideoTimeCodeMeta *tc_meta;
GstVideoTimeCode *tc;
GST_OBJECT_LOCK (timecodestamper);
tc_meta = gst_buffer_get_video_time_code_meta (buffer);
if (tc_meta && !timecodestamper->override_existing) {
GST_OBJECT_UNLOCK (timecodestamper);
tc = gst_video_time_code_copy (&tc_meta->tc);
goto beach;
} else if (timecodestamper->override_existing) {
gst_buffer_foreach_meta (buffer, remove_timecode_meta, NULL);
}
gst_buffer_add_video_time_code_meta (buffer, timecodestamper->current_tc);
tc = gst_video_time_code_copy (timecodestamper->current_tc);
gst_video_time_code_increment_frame (timecodestamper->current_tc);
GST_OBJECT_UNLOCK (timecodestamper);
beach:
if (timecodestamper->post_messages) {
GstClockTime stream_time, running_time, duration;
GstStructure *s;
GstMessage *msg;
running_time =
gst_segment_to_running_time (&vfilter->segment, GST_FORMAT_TIME,
GST_BUFFER_PTS (buffer));
stream_time =
gst_segment_to_stream_time (&vfilter->segment, GST_FORMAT_TIME,
GST_BUFFER_PTS (buffer));
duration =
gst_util_uint64_scale_int (GST_SECOND, timecodestamper->vinfo.fps_d,
timecodestamper->vinfo.fps_n);
s = gst_structure_new ("timecodestamper", "timestamp", G_TYPE_UINT64,
GST_BUFFER_PTS (buffer), "stream-time", G_TYPE_UINT64, stream_time,
"running-time", G_TYPE_UINT64, running_time, "duration", G_TYPE_UINT64,
duration, "timecode", GST_TYPE_VIDEO_TIME_CODE, tc, NULL);
msg = gst_message_new_element (GST_OBJECT (timecodestamper), s);
gst_element_post_message (GST_ELEMENT (timecodestamper), msg);
}
gst_video_time_code_free (tc);
return GST_FLOW_OK;
}
static void
gst_timecodestamper_dispose (GObject * object)
{
GstTimeCodeStamper *timecodestamper = GST_TIME_CODE_STAMPER (object);
if (timecodestamper->current_tc != NULL) {
gst_video_time_code_free (timecodestamper->current_tc);
timecodestamper->current_tc = NULL;
}
if (timecodestamper->source_clock) {
gst_object_unref (timecodestamper->source_clock);
timecodestamper->source_clock = NULL;
}
G_OBJECT_CLASS (gst_timecodestamper_parent_class)->dispose (object);
}
static void
gst_timecodestamper_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstTimeCodeStamper *timecodestamper = GST_TIME_CODE_STAMPER (object);
switch (prop_id) {
case PROP_OVERRIDE_EXISTING:
timecodestamper->override_existing = g_value_get_boolean (value);
break;
case PROP_DROP_FRAME:
timecodestamper->drop_frame = g_value_get_boolean (value);
break;
case PROP_DAILY_JAM:
if (timecodestamper->current_tc->config.latest_daily_jam)
g_date_time_unref (timecodestamper->current_tc->
config.latest_daily_jam);
timecodestamper->current_tc->config.latest_daily_jam =
g_value_dup_boxed (value);
break;
case PROP_POST_MESSAGES:
timecodestamper->post_messages = g_value_get_boolean (value);
break;
case PROP_FIRST_TIMECODE:
if (timecodestamper->first_tc)
gst_video_time_code_free (timecodestamper->first_tc);
timecodestamper->first_tc = g_value_dup_boxed (value);
break;
case PROP_FIRST_NOW:
timecodestamper->first_tc_now = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstFlowReturn
gst_timecodestamper_transform_ip (GstBaseTransform * vfilter,
GstBuffer * buffer)
{
GstTimeCodeStamper *timecodestamper = GST_TIME_CODE_STAMPER (vfilter);
GstClockTime ref_time;
GST_OBJECT_LOCK (timecodestamper);
if (gst_buffer_get_video_time_code_meta (buffer)
&& !timecodestamper->override_existing) {
GST_OBJECT_UNLOCK (timecodestamper);
return GST_FLOW_OK;
} else if (timecodestamper->override_existing) {
gst_buffer_foreach_meta (buffer, remove_timecode_meta, NULL);
}
if (timecodestamper->source_clock != NULL) {
if (timecodestamper->current_tc->hours == 0
&& timecodestamper->current_tc->minutes == 0
&& timecodestamper->current_tc->seconds == 0
&& timecodestamper->current_tc->frames == 0) {
guint64 hours, minutes, seconds, frames;
/* Daily jam time */
ref_time = gst_clock_get_time (timecodestamper->source_clock);
ref_time = ref_time % (24 * 60 * 60 * GST_SECOND);
hours = ref_time / (GST_SECOND * 60 * 60);
ref_time -= hours * GST_SECOND * 60 * 60;
minutes = ref_time / (GST_SECOND * 60);
ref_time -= minutes * GST_SECOND * 60;
seconds = ref_time / GST_SECOND;
ref_time -= seconds * GST_SECOND;
/* Converting to frames for the whole ref_time might be inaccurate in case
* we have a drop frame timecode */
frames = gst_util_uint64_scale (ref_time, timecodestamper->vinfo.fps_n,
timecodestamper->vinfo.fps_d * GST_SECOND);
GST_DEBUG_OBJECT (timecodestamper,
"Initializing with %" G_GUINT64_FORMAT ":%" G_GUINT64_FORMAT ":%"
G_GUINT64_FORMAT ":%" G_GUINT64_FORMAT "", hours, minutes, seconds,
frames);
gst_video_time_code_init (timecodestamper->current_tc,
timecodestamper->vinfo.fps_n,
timecodestamper->vinfo.fps_d,
NULL,
timecodestamper->vinfo.interlace_mode ==
GST_VIDEO_INTERLACE_MODE_PROGRESSIVE ? 0 :
GST_VIDEO_TIME_CODE_FLAGS_INTERLACED, hours, minutes, seconds, 0, 0);
gst_timecodestamper_set_drop_frame (timecodestamper);
/* Do not use frames when initializing because maybe we have drop frame */
gst_video_time_code_add_frames (timecodestamper->current_tc, frames);
}
} else if (timecodestamper->source_clock == NULL) {
GstClockTime timecode_time;
timecode_time =
gst_video_time_code_nsec_since_daily_jam (timecodestamper->current_tc);
ref_time =
gst_segment_to_stream_time (&vfilter->segment, GST_FORMAT_TIME,
buffer->pts);
if (timecode_time != GST_CLOCK_TIME_NONE && ref_time != GST_CLOCK_TIME_NONE
&& ((timecode_time > ref_time && timecode_time - ref_time > GST_SECOND)
|| (ref_time > timecode_time
&& ref_time - timecode_time > GST_SECOND))) {
gchar *tc_str =
gst_video_time_code_to_string (timecodestamper->current_tc);
GST_WARNING_OBJECT (timecodestamper,
"Time code %s (stream time %" GST_TIME_FORMAT
") has drifted more than one second from stream time %"
GST_TIME_FORMAT, tc_str, GST_TIME_ARGS (timecode_time),
GST_TIME_ARGS (ref_time));
g_free (tc_str);
}
}
gst_buffer_add_video_time_code_meta (buffer, timecodestamper->current_tc);
gst_video_time_code_increment_frame (timecodestamper->current_tc);
GST_OBJECT_UNLOCK (timecodestamper);
return GST_FLOW_OK;
}
static gboolean
gst_timecodestamper_sink_event (GstBaseTransform * trans, GstEvent * event)
{
gboolean ret = FALSE;
GstTimeCodeStamper *timecodestamper = GST_TIME_CODE_STAMPER (trans);
GST_DEBUG_OBJECT (trans, "received event %" GST_PTR_FORMAT, event);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:
{
GstSegment segment;
guint64 frames;
gchar *tc_str;
GST_OBJECT_LOCK (timecodestamper);
if (timecodestamper->source_clock != NULL) {
GST_OBJECT_UNLOCK (timecodestamper);
break;
}
gst_event_copy_segment (event, &segment);
if (segment.format != GST_FORMAT_TIME) {
GST_OBJECT_UNLOCK (timecodestamper);
GST_ERROR_OBJECT (timecodestamper, "Invalid segment format");
return FALSE;
}
if (GST_VIDEO_INFO_FORMAT (&timecodestamper->vinfo) ==
GST_VIDEO_FORMAT_UNKNOWN) {
GST_ERROR_OBJECT (timecodestamper,
"Received segment event without caps");
GST_OBJECT_UNLOCK (timecodestamper);
return FALSE;
}
frames =
gst_util_uint64_scale (segment.time, timecodestamper->vinfo.fps_n,
timecodestamper->vinfo.fps_d * GST_SECOND);
gst_timecodestamper_reset_timecode (timecodestamper);
gst_video_time_code_add_frames (timecodestamper->current_tc, frames);
GST_DEBUG_OBJECT (timecodestamper,
"Got %" G_GUINT64_FORMAT " frames when segment time is %"
GST_TIME_FORMAT, frames, GST_TIME_ARGS (segment.time));
tc_str = gst_video_time_code_to_string (timecodestamper->current_tc);
GST_DEBUG_OBJECT (timecodestamper, "New timecode is %s", tc_str);
g_free (tc_str);
GST_OBJECT_UNLOCK (timecodestamper);
break;
}
case GST_EVENT_CAPS:
{
GstCaps *caps;
GST_OBJECT_LOCK (timecodestamper);
gst_event_parse_caps (event, &caps);
if (!gst_video_info_from_caps (&timecodestamper->vinfo, caps)) {
GST_OBJECT_UNLOCK (timecodestamper);
return FALSE;
}
gst_timecodestamper_reset_timecode (timecodestamper);
GST_OBJECT_UNLOCK (timecodestamper);
break;
}
default:
break;
}
ret =
GST_BASE_TRANSFORM_CLASS (gst_timecodestamper_parent_class)->sink_event
(trans, event);
return ret;
}
