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codectimestamper: Fix timestamping on sequence update

Browse source 
... and enhance debug logging.

Keep internal timestamp offsets on drain, no reason to reset them

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3987>
This commit is contained in:
Seungha Yang 2023-02-16 01:36:41 +09:00 committed by Tim-Philipp Müller
parent 6dbb2c14ec
commit 362a97836f
1 changed files with 22 additions and 9 deletions
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31
subprojects/gst-plugins-bad/gst/codectimestamper/gstcodectimestamper.c
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@ -445,7 +445,7 @@ gst_codec_timestamper_output_frame (GstCodecTimestamper * self,
GST_BUFFER_PTS (frame->buffer) = frame->pts;
GST_BUFFER_DTS (frame->buffer) = dts;
GST_TRACE_OBJECT (self, "Output %" GST_PTR_FORMAT, frame->buffer);
GST_LOG_OBJECT (self, "Output %" GST_PTR_FORMAT, frame->buffer);
ret = gst_pad_push (self->srcpad, g_steal_pointer (&frame->buffer));
@ -477,15 +477,15 @@ gst_codec_timestamper_drain (GstCodecTimestamper * self)
{
GstCodecTimestamperPrivate *priv = self->priv;
GST_DEBUG_OBJECT (self, "Draining");
while (gst_queue_array_get_length (priv->queue) > 0) {
GstCodecTimestamperFrame *frame = (GstCodecTimestamperFrame *)
gst_queue_array_pop_head_struct (priv->queue);
gst_codec_timestamper_output_frame (self, frame);
}
priv->time_adjustment = GST_CLOCK_TIME_NONE;
priv->last_dts = GST_CLOCK_TIME_NONE;
priv->last_pts = GST_CLOCK_TIME_NONE;
GST_DEBUG_OBJECT (self, "Drained");
}
static gint
@ -509,7 +509,7 @@ gst_codec_timestamper_chain (GstPad * pad, GstObject * parent,
gst_codec_timestamper_frame_init (&frame);
GST_TRACE_OBJECT (self, "Handle %" GST_PTR_FORMAT, buffer);
GST_LOG_OBJECT (self, "Handle %" GST_PTR_FORMAT, buffer);
pts = GST_BUFFER_PTS (buffer);
dts = GST_BUFFER_DTS (buffer);
@ -517,15 +517,24 @@ gst_codec_timestamper_chain (GstPad * pad, GstObject * parent,
if (!GST_CLOCK_TIME_IS_VALID (priv->time_adjustment)) {
GstClockTime start_time = GST_CLOCK_TIME_NONE;
if (GST_CLOCK_TIME_IS_VALID (pts))
if (GST_CLOCK_TIME_IS_VALID (pts)) {
GST_DEBUG_OBJECT (self, "Got valid PTS: %" GST_TIME_FORMAT,
GST_TIME_ARGS (pts));
start_time = MAX (pts, priv->in_segment.start);
else if (GST_CLOCK_TIME_IS_VALID (dts))
} else if (GST_CLOCK_TIME_IS_VALID (dts)) {
GST_DEBUG_OBJECT (self, "Got valid DTS: %" GST_TIME_FORMAT,
GST_TIME_ARGS (dts));
start_time = MAX (dts, priv->in_segment.start);
else
} else {
GST_WARNING_OBJECT (self, "Both PTS and DTS are invalid");
start_time = priv->in_segment.start;
}
if (start_time < min_pts)
if (start_time < min_pts) {
priv->time_adjustment = min_pts - start_time;
GST_DEBUG_OBJECT (self, "Updating time-adjustment %" GST_TIME_FORMAT,
GST_TIME_ARGS (priv->time_adjustment));
}
}
if (GST_CLOCK_TIME_IS_VALID (priv->time_adjustment)) {
@ -557,6 +566,10 @@ gst_codec_timestamper_chain (GstPad * pad, GstObject * parent,
frame.events = priv->current_frame_events;
priv->current_frame_events = NULL;
GST_LOG_OBJECT (self, "Enqueue frame, buffer pts %" GST_TIME_FORMAT
", adjusted pts %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_PTS (buffer)), GST_TIME_ARGS (pts));
gst_queue_array_push_tail_struct (priv->queue, &frame);
if (GST_CLOCK_TIME_IS_VALID (frame.pts)) {
g_array_append_val (priv->timestamp_queue, frame.pts);