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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, static gboolean gst_video_encoder_src_query (GstPad * pad, GstObject * parent,
GstQuery * query); GstQuery * query);
static GstVideoCodecFrame *gst_video_encoder_new_frame (GstVideoEncoder * 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, static gboolean gst_video_encoder_sink_event_default (GstVideoEncoder * encoder,
GstEvent * event); GstEvent * event);
@ -1066,7 +1067,7 @@ error:
static GstVideoCodecFrame * static GstVideoCodecFrame *
gst_video_encoder_new_frame (GstVideoEncoder * encoder, GstBuffer * buf, gst_video_encoder_new_frame (GstVideoEncoder * encoder, GstBuffer * buf,
GstClockTime timestamp, GstClockTime duration) GstClockTime pts, GstClockTime dts, GstClockTime duration)
{ {
GstVideoEncoderPrivate *priv = encoder->priv; GstVideoEncoderPrivate *priv = encoder->priv;
GstVideoCodecFrame *frame; GstVideoCodecFrame *frame;
@ -1086,7 +1087,8 @@ gst_video_encoder_new_frame (GstVideoEncoder * encoder, GstBuffer * buf,
frame->events = priv->current_frame_events; frame->events = priv->current_frame_events;
priv->current_frame_events = NULL; priv->current_frame_events = NULL;
frame->input_buffer = buf; frame->input_buffer = buf;
frame->pts = timestamp; frame->pts = pts;
frame->dts = dts;
frame->duration = duration; frame->duration = duration;
return frame; return frame;
@ -1100,8 +1102,9 @@ gst_video_encoder_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
GstVideoEncoderPrivate *priv; GstVideoEncoderPrivate *priv;
GstVideoEncoderClass *klass; GstVideoEncoderClass *klass;
GstVideoCodecFrame *frame; GstVideoCodecFrame *frame;
GstClockTime pts, dts, duration;
GstFlowReturn ret = GST_FLOW_OK; GstFlowReturn ret = GST_FLOW_OK;
guint64 start, stop = GST_CLOCK_TIME_NONE, cstart, cstop; guint64 start, stop, cstart, cstop;
encoder = GST_VIDEO_ENCODER (parent); encoder = GST_VIDEO_ENCODER (parent);
priv = encoder->priv; priv = encoder->priv;
@ -1111,20 +1114,27 @@ gst_video_encoder_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
GST_VIDEO_ENCODER_STREAM_LOCK (encoder); GST_VIDEO_ENCODER_STREAM_LOCK (encoder);
start = GST_BUFFER_TIMESTAMP (buf); pts = GST_BUFFER_PTS (buf);
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DURATION (buf))) dts = GST_BUFFER_DTS (buf);
stop = start + GST_BUFFER_DURATION (buf); duration = GST_BUFFER_DURATION (buf);
GST_LOG_OBJECT (encoder, GST_LOG_OBJECT (encoder,
"received buffer of size %" G_GSIZE_FORMAT " with ts %" GST_TIME_FORMAT "received buffer of size %" G_GSIZE_FORMAT " with PTS %" GST_TIME_FORMAT
", duration %" GST_TIME_FORMAT, gst_buffer_get_size (buf), ", PTS %" GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT,
GST_TIME_ARGS (start), GST_TIME_ARGS (GST_BUFFER_DURATION (buf))); gst_buffer_get_size (buf), GST_TIME_ARGS (pts), GST_TIME_ARGS (dts),
GST_TIME_ARGS (duration));
if (priv->at_eos) { if (priv->at_eos) {
ret = GST_FLOW_EOS; ret = GST_FLOW_EOS;
goto done; 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 */ /* Drop buffers outside of segment */
if (!gst_segment_clip (&encoder->output_segment, if (!gst_segment_clip (&encoder->output_segment,
GST_FORMAT_TIME, start, stop, &cstart, &cstop)) { GST_FORMAT_TIME, start, stop, &cstart, &cstop)) {
@ -1133,7 +1143,8 @@ gst_video_encoder_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
goto done; 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); GST_OBJECT_LOCK (encoder);
if (priv->force_key_unit) { if (priv->force_key_unit) {
@ -1143,7 +1154,7 @@ gst_video_encoder_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
running_time = running_time =
gst_segment_to_running_time (&encoder->output_segment, GST_FORMAT_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) { for (l = priv->force_key_unit; l; l = l->next) {
ForcedKeyUnitEvent *tmp = l->data; ForcedKeyUnitEvent *tmp = l->data;
@ -1177,6 +1188,7 @@ gst_video_encoder_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
} }
GST_OBJECT_UNLOCK (encoder); GST_OBJECT_UNLOCK (encoder);
gst_video_codec_frame_ref (frame);
priv->frames = g_list_append (priv->frames, frame); priv->frames = g_list_append (priv->frames, frame);
/* new data, more finish needed */ /* 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", GST_LOG_OBJECT (encoder, "passing frame pfn %d to subclass",
frame->presentation_frame_number); frame->presentation_frame_number);
gst_video_codec_frame_ref (frame);
ret = klass->handle_frame (encoder, frame); ret = klass->handle_frame (encoder, frame);
done: done:
@ -1439,7 +1450,8 @@ gst_video_encoder_finish_frame (GstVideoEncoder * encoder,
frame->distance_from_sync = priv->distance_from_sync; frame->distance_from_sync = priv->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; GST_BUFFER_DURATION (frame->output_buffer) = frame->duration;
/* update rate estimate */ /* update rate estimate */