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videoencoder: make PTS and DTS handling more explicit

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This commit is contained in:
Wim Taymans 2012-06-27 16:45:41 +02:00
parent c68683c15f
commit 136a3fd37f
1 changed files with 26 additions and 14 deletions
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40
gst-libs/gst/video/gstvideoencoder.c
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@ -215,7 +215,8 @@ static gboolean gst_video_encoder_sink_query (GstPad * pad, GstObject * parent,
static gboolean gst_video_encoder_src_query (GstPad * pad, GstObject * parent,
GstQuery * query);
static GstVideoCodecFrame *gst_video_encoder_new_frame (GstVideoEncoder *
encoder, GstBuffer * buf, GstClockTime timestamp, GstClockTime duration);
encoder, GstBuffer * buf, GstClockTime pts, GstClockTime dts,
GstClockTime duration);
static gboolean gst_video_encoder_sink_event_default (GstVideoEncoder * encoder,
GstEvent * event);
@ -1066,7 +1067,7 @@ error:
static GstVideoCodecFrame *
gst_video_encoder_new_frame (GstVideoEncoder * encoder, GstBuffer * buf,
GstClockTime timestamp, GstClockTime duration)
GstClockTime pts, GstClockTime dts, GstClockTime duration)
{
GstVideoEncoderPrivate *priv = encoder->priv;
GstVideoCodecFrame *frame;
@ -1086,7 +1087,8 @@ gst_video_encoder_new_frame (GstVideoEncoder * encoder, GstBuffer * buf,
frame->events = priv->current_frame_events;
priv->current_frame_events = NULL;
frame->input_buffer = buf;
frame->pts = timestamp;
frame->pts = pts;
frame->dts = dts;
frame->duration = duration;
return frame;
@ -1100,8 +1102,9 @@ gst_video_encoder_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
GstVideoEncoderPrivate *priv;
GstVideoEncoderClass *klass;
GstVideoCodecFrame *frame;
GstClockTime pts, dts, duration;
GstFlowReturn ret = GST_FLOW_OK;
guint64 start, stop = GST_CLOCK_TIME_NONE, cstart, cstop;
guint64 start, stop, cstart, cstop;
encoder = GST_VIDEO_ENCODER (parent);
priv = encoder->priv;
@ -1111,20 +1114,27 @@ gst_video_encoder_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
GST_VIDEO_ENCODER_STREAM_LOCK (encoder);
start = GST_BUFFER_TIMESTAMP (buf);
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DURATION (buf)))
stop = start + GST_BUFFER_DURATION (buf);
pts = GST_BUFFER_PTS (buf);
dts = GST_BUFFER_DTS (buf);
duration = GST_BUFFER_DURATION (buf);
GST_LOG_OBJECT (encoder,
"received buffer of size %" G_GSIZE_FORMAT " with ts %" GST_TIME_FORMAT
", duration %" GST_TIME_FORMAT, gst_buffer_get_size (buf),
GST_TIME_ARGS (start), GST_TIME_ARGS (GST_BUFFER_DURATION (buf)));
"received buffer of size %" G_GSIZE_FORMAT " with PTS %" GST_TIME_FORMAT
", PTS %" GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT,
gst_buffer_get_size (buf), GST_TIME_ARGS (pts), GST_TIME_ARGS (dts),
GST_TIME_ARGS (duration));
if (priv->at_eos) {
ret = GST_FLOW_EOS;
goto done;
}
start = pts;
if (GST_CLOCK_TIME_IS_VALID (duration))
stop = start + duration;
else
stop = GST_CLOCK_TIME_NONE;
/* Drop buffers outside of segment */
if (!gst_segment_clip (&encoder->output_segment,
GST_FORMAT_TIME, start, stop, &cstart, &cstop)) {
@ -1133,7 +1143,8 @@ gst_video_encoder_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
goto done;
}
frame = gst_video_encoder_new_frame (encoder, buf, cstart, cstop - cstart);
frame =
gst_video_encoder_new_frame (encoder, buf, cstart, dts, cstop - cstart);
GST_OBJECT_LOCK (encoder);
if (priv->force_key_unit) {
@ -1143,7 +1154,7 @@ gst_video_encoder_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
running_time =
gst_segment_to_running_time (&encoder->output_segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (buf));
cstart);
for (l = priv->force_key_unit; l; l = l->next) {
ForcedKeyUnitEvent *tmp = l->data;
@ -1177,6 +1188,7 @@ gst_video_encoder_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
}
GST_OBJECT_UNLOCK (encoder);
gst_video_codec_frame_ref (frame);
priv->frames = g_list_append (priv->frames, frame);
/* new data, more finish needed */
@ -1185,7 +1197,6 @@ gst_video_encoder_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
GST_LOG_OBJECT (encoder, "passing frame pfn %d to subclass",
frame->presentation_frame_number);
gst_video_codec_frame_ref (frame);
ret = klass->handle_frame (encoder, frame);
done:
@ -1439,7 +1450,8 @@ gst_video_encoder_finish_frame (GstVideoEncoder * encoder,
frame->distance_from_sync = priv->distance_from_sync;
priv->distance_from_sync++;
GST_BUFFER_TIMESTAMP (frame->output_buffer) = frame->pts;
GST_BUFFER_PTS (frame->output_buffer) = frame->pts;
GST_BUFFER_DTS (frame->output_buffer) = frame->dts;
GST_BUFFER_DURATION (frame->output_buffer) = frame->duration;
/* update rate estimate */