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avwait: In running-time mode, select start/end running time based on the actual video timestamps

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Otherwise we would start/end at exactly the given times, which might be
up to 1 frame earlier/later than the video.
This commit is contained in:
Sebastian Dröge 2019-07-12 12:53:09 +03:00
parent 3863a356cb
commit 5c324cebb9
1 changed files with 65 additions and 65 deletions
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130
gst/timecode/gstavwait.c
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@ -534,11 +534,7 @@ gst_avwait_set_property (GObject * object, guint prop_id,
g_mutex_lock (&self->mutex);
self->target_running_time = g_value_get_uint64 (value);
if (self->mode == MODE_RUNNING_TIME) {
self->running_time_to_wait_for = self->target_running_time;
if (self->recording) {
self->audio_running_time_to_wait_for = self->running_time_to_wait_for;
}
if (self->target_running_time < self->last_seen_video_running_time) {
if (self->target_running_time > self->last_seen_video_running_time) {
self->dropping = TRUE;
}
}
@ -549,10 +545,6 @@ gst_avwait_set_property (GObject * object, guint prop_id,
g_mutex_lock (&self->mutex);
self->end_running_time = g_value_get_uint64 (value);
if (self->mode == MODE_RUNNING_TIME) {
self->running_time_to_end_at = self->end_running_time;
if (self->recording) {
self->audio_running_time_to_end_at = self->running_time_to_end_at;
}
if (self->end_running_time >= self->last_seen_video_running_time) {
self->dropping = TRUE;
}
@ -573,18 +565,14 @@ gst_avwait_set_property (GObject * object, guint prop_id,
gst_video_time_code_compare (self->last_seen_tc,
self->tc) < 0) {
self->running_time_to_wait_for = GST_CLOCK_TIME_NONE;
self->running_time_to_end_at = GST_CLOCK_TIME_NONE;
self->dropping = TRUE;
}
break;
case MODE_RUNNING_TIME:
self->running_time_to_wait_for = self->target_running_time;
self->running_time_to_end_at = self->end_running_time;
if (self->recording) {
self->audio_running_time_to_wait_for =
self->running_time_to_wait_for;
self->audio_running_time_to_end_at = self->running_time_to_end_at;
}
if (self->target_running_time < self->last_seen_video_running_time
self->running_time_to_wait_for = GST_CLOCK_TIME_NONE;
self->running_time_to_end_at = GST_CLOCK_TIME_NONE;
if (self->target_running_time > self->last_seen_video_running_time
|| self->end_running_time >=
self->last_seen_video_running_time) {
self->dropping = TRUE;
@ -628,16 +616,14 @@ gst_avwait_vsink_event (GstPad * pad, GstObject * parent, GstEvent * event)
gst_event_unref (event);
return FALSE;
}
if (self->mode != MODE_RUNNING_TIME) {
GST_DEBUG_OBJECT (self, "First time reset in video segment");
self->running_time_to_wait_for = GST_CLOCK_TIME_NONE;
self->running_time_to_end_at = GST_CLOCK_TIME_NONE;
self->audio_running_time_to_wait_for = GST_CLOCK_TIME_NONE;
self->audio_running_time_to_end_at = GST_CLOCK_TIME_NONE;
if (!self->dropping) {
self->dropping = TRUE;
gst_avwait_send_element_message (self, TRUE, GST_CLOCK_TIME_NONE);
}
GST_DEBUG_OBJECT (self, "First time reset in video segment");
self->running_time_to_wait_for = GST_CLOCK_TIME_NONE;
self->running_time_to_end_at = GST_CLOCK_TIME_NONE;
self->audio_running_time_to_wait_for = GST_CLOCK_TIME_NONE;
self->audio_running_time_to_end_at = GST_CLOCK_TIME_NONE;
if (!self->dropping) {
self->dropping = TRUE;
gst_avwait_send_element_message (self, TRUE, GST_CLOCK_TIME_NONE);
}
self->vsegment.position = GST_CLOCK_TIME_NONE;
g_mutex_unlock (&self->mutex);
@ -693,16 +679,14 @@ gst_avwait_vsink_event (GstPad * pad, GstObject * parent, GstEvent * event)
case GST_EVENT_FLUSH_STOP:
g_mutex_lock (&self->mutex);
self->video_flush_flag = FALSE;
if (self->mode != MODE_RUNNING_TIME) {
GST_DEBUG_OBJECT (self, "First time reset in video flush");
self->running_time_to_wait_for = GST_CLOCK_TIME_NONE;
self->running_time_to_end_at = GST_CLOCK_TIME_NONE;
self->audio_running_time_to_wait_for = GST_CLOCK_TIME_NONE;
self->audio_running_time_to_end_at = GST_CLOCK_TIME_NONE;
if (!self->dropping) {
self->dropping = TRUE;
gst_avwait_send_element_message (self, TRUE, GST_CLOCK_TIME_NONE);
}
GST_DEBUG_OBJECT (self, "First time reset in video flush");
self->running_time_to_wait_for = GST_CLOCK_TIME_NONE;
self->running_time_to_end_at = GST_CLOCK_TIME_NONE;
self->audio_running_time_to_wait_for = GST_CLOCK_TIME_NONE;
self->audio_running_time_to_end_at = GST_CLOCK_TIME_NONE;
if (!self->dropping) {
self->dropping = TRUE;
gst_avwait_send_element_message (self, TRUE, GST_CLOCK_TIME_NONE);
}
gst_segment_init (&self->vsegment, GST_FORMAT_UNDEFINED);
self->vsegment.position = GST_CLOCK_TIME_NONE;
@ -887,9 +871,7 @@ gst_avwait_vsink_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
* mid-flight) */
emit_passthrough_signal = self->dropping;
self->dropping = FALSE;
self->running_time_to_wait_for =
gst_segment_to_running_time (&self->vsegment, GST_FORMAT_TIME,
self->vsegment.position);
self->running_time_to_wait_for = running_time;
if (self->recording) {
self->audio_running_time_to_wait_for =
self->running_time_to_wait_for;
@ -901,9 +883,7 @@ gst_avwait_vsink_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
GST_INFO_OBJECT (self, "End timecode reached at %" GST_TIME_FORMAT,
GST_TIME_ARGS (self->vsegment.position));
self->dropping = TRUE;
self->running_time_to_end_at =
gst_segment_to_running_time (&self->vsegment, GST_FORMAT_TIME,
self->vsegment.position);
self->running_time_to_end_at = running_time;
if (self->recording) {
self->audio_running_time_to_end_at = self->running_time_to_end_at;
self->must_send_end_message |= END_MESSAGE_STREAM_ENDED;
@ -922,45 +902,58 @@ gst_avwait_vsink_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
break;
}
case MODE_RUNNING_TIME:{
if (running_time < self->running_time_to_wait_for) {
gboolean emit_passthrough_signal = FALSE;
if (self->target_running_time != GST_CLOCK_TIME_NONE
&& running_time < self->target_running_time) {
GST_DEBUG_OBJECT (self,
"Have %" GST_TIME_FORMAT ", waiting for %" GST_TIME_FORMAT,
GST_TIME_ARGS (running_time),
GST_TIME_ARGS (self->running_time_to_wait_for));
GST_TIME_ARGS (self->target_running_time));
gst_buffer_unref (inbuf);
inbuf = NULL;
} else {
if (self->dropping) {
self->dropping = FALSE;
if (self->recording)
gst_avwait_send_element_message (self, FALSE, running_time);
} else if (self->running_time_to_wait_for == GST_CLOCK_TIME_NONE) {
/* Don't emit a signal if we weren't dropping (e.g. settings changed
* mid-flight) */
emit_passthrough_signal = self->dropping;
self->dropping = FALSE;
self->running_time_to_wait_for = running_time;
if (self->recording) {
self->audio_running_time_to_wait_for = running_time;
}
if (self->recording)
gst_avwait_send_element_message (self, FALSE, running_time);
}
if (GST_CLOCK_TIME_IS_VALID (self->running_time_to_end_at)
&& running_time >= self->running_time_to_end_at) {
GST_INFO_OBJECT (self,
"End running time %" GST_TIME_FORMAT " reached at %"
GST_TIME_FORMAT, GST_TIME_ARGS (self->running_time_to_end_at),
GST_TIME_ARGS (self->vsegment.position));
self->dropping = TRUE;
if (self->recording) {
self->audio_running_time_to_end_at = self->running_time_to_end_at;
self->must_send_end_message |= END_MESSAGE_STREAM_ENDED;
if (GST_CLOCK_TIME_IS_VALID (self->end_running_time)
&& running_time >= self->end_running_time) {
if (self->running_time_to_end_at == GST_CLOCK_TIME_NONE) {
GST_INFO_OBJECT (self,
"End running time %" GST_TIME_FORMAT " reached at %"
GST_TIME_FORMAT, GST_TIME_ARGS (self->end_running_time),
GST_TIME_ARGS (self->vsegment.position));
self->dropping = TRUE;
self->running_time_to_end_at = running_time;
if (self->recording) {
self->audio_running_time_to_end_at = running_time;
self->must_send_end_message |= END_MESSAGE_STREAM_ENDED;
}
}
if (inbuf) {
gst_buffer_unref (inbuf);
inbuf = NULL;
}
} else if (emit_passthrough_signal && self->recording) {
gst_avwait_send_element_message (self, FALSE,
self->running_time_to_wait_for);
}
break;
}
case MODE_VIDEO_FIRST:{
if (self->running_time_to_wait_for == GST_CLOCK_TIME_NONE) {
self->running_time_to_wait_for =
gst_segment_to_running_time (&self->vsegment, GST_FORMAT_TIME,
self->vsegment.position);
self->running_time_to_wait_for = running_time;
GST_DEBUG_OBJECT (self, "First video running time is %" GST_TIME_FORMAT,
GST_TIME_ARGS (self->running_time_to_wait_for));
if (self->recording) {
@ -981,9 +974,13 @@ gst_avwait_vsink_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
if (self->was_recording) {
GST_INFO_OBJECT (self, "Recording stopped at %" GST_TIME_FORMAT,
GST_TIME_ARGS (running_time));
if (running_time > self->running_time_to_wait_for
&& running_time <= self->running_time_to_end_at) {
&& (running_time <= self->running_time_to_end_at
|| self->running_time_to_end_at == GST_CLOCK_TIME_NONE)) {
/* We just stopped recording: synchronise the audio */
if (self->running_time_to_end_at == GST_CLOCK_TIME_NONE)
self->running_time_to_end_at = running_time;
self->audio_running_time_to_end_at = running_time;
self->must_send_end_message |= END_MESSAGE_STREAM_ENDED;
} else if (running_time < self->running_time_to_wait_for
@ -991,6 +988,7 @@ gst_avwait_vsink_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
self->audio_running_time_to_wait_for = GST_CLOCK_TIME_NONE;
}
}
/* Recording is FALSE: we drop all buffers */
if (inbuf) {
gst_buffer_unref (inbuf);
@ -1002,6 +1000,7 @@ gst_avwait_vsink_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
"Recording started at %" GST_TIME_FORMAT " waiting for %"
GST_TIME_FORMAT " inbuf %p", GST_TIME_ARGS (running_time),
GST_TIME_ARGS (self->running_time_to_wait_for), inbuf);
if (self->mode != MODE_VIDEO_FIRST ||
self->first_audio_running_time <= running_time ||
self->audio_eos_flag) {
@ -1009,7 +1008,8 @@ gst_avwait_vsink_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
self->running_time_to_end_at == GST_CLOCK_TIME_NONE) {
/* We are before the end of the recording. Check if we just actually
* started */
if (running_time > self->running_time_to_wait_for) {
if (self->running_time_to_wait_for != GST_CLOCK_TIME_NONE
&& running_time > self->running_time_to_wait_for) {
/* We just started recording: synchronise the audio */
self->audio_running_time_to_wait_for = running_time;
gst_avwait_send_element_message (self, FALSE, running_time);