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theoradec: move the QoS logic to libgstvideo
https://bugzilla.gnome.org/show_bug.cgi?id=658241
This commit is contained in:
Vincent Penquerc'h
parent
eb03323fb6
commit
149a4ce390
2 changed files with 13 additions and 71 deletions
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@ -231,15 +231,9 @@ gst_theora_dec_reset (GstTheoraDec * dec)
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dec->discont = TRUE;
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dec->frame_nr = -1;
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dec->seqnum = gst_util_seqnum_next ();
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dec->dropped = 0;
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dec->processed = 0;
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gst_video_qos_tracker_reset (&dec->qt);
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gst_segment_init (&dec->segment, GST_FORMAT_TIME);
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GST_OBJECT_LOCK (dec);
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dec->proportion = 1.0;
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dec->earliest_time = -1;
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GST_OBJECT_UNLOCK (dec);
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g_list_foreach (dec->queued, (GFunc) gst_mini_object_unref, NULL);
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g_list_free (dec->queued);
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dec->queued = NULL;
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@ -576,23 +570,12 @@ theora_dec_src_event (GstPad * pad, GstEvent * event)
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}
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case GST_EVENT_QOS:
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{
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gdouble proportion;
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GstClockTimeDiff diff;
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GstClockTime timestamp;
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gst_event_parse_qos (event, &proportion, &diff, ×tamp);
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/* we cannot randomly skip frame decoding since we don't have
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* B frames. we can however use the timestamp and diff to not
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* push late frames. This would at least save us the time to
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* crop/memcpy the data. */
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GST_OBJECT_LOCK (dec);
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dec->proportion = proportion;
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dec->earliest_time = timestamp + diff;
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GST_OBJECT_UNLOCK (dec);
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GST_DEBUG_OBJECT (dec, "got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT,
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GST_TIME_ARGS (timestamp), diff);
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gst_video_qos_tracker_update (&dec->qt, event,
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GST_CLOCK_TIME_NONE, GST_VIDEO_QOS_TRACKER_DIFF);
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res = gst_pad_push_event (dec->sinkpad, event);
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break;
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@ -1146,50 +1129,11 @@ theora_handle_data_packet (GstTheoraDec * dec, ogg_packet * packet,
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if (G_UNLIKELY (th_decode_packetin (dec->decoder, packet, &gp) < 0))
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goto decode_error;
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if (outtime != -1) {
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gboolean need_skip;
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GstClockTime running_time;
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GstClockTime earliest_time;
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gdouble proportion;
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/* qos needs to be done on running time */
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running_time = gst_segment_to_running_time (&dec->segment, GST_FORMAT_TIME,
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outtime);
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GST_OBJECT_LOCK (dec);
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proportion = dec->proportion;
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earliest_time = dec->earliest_time;
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/* check for QoS, don't perform the last steps of getting and
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* pushing the buffers that are known to be late. */
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need_skip = earliest_time != -1 && running_time <= earliest_time;
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GST_OBJECT_UNLOCK (dec);
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if (need_skip) {
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GstMessage *qos_msg;
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guint64 stream_time;
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gint64 jitter;
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GST_DEBUG_OBJECT (dec, "skipping decoding: qostime %"
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GST_TIME_FORMAT " <= %" GST_TIME_FORMAT,
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GST_TIME_ARGS (running_time), GST_TIME_ARGS (earliest_time));
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dec->dropped++;
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stream_time =
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gst_segment_to_stream_time (&dec->segment, GST_FORMAT_TIME, outtime);
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jitter = GST_CLOCK_DIFF (running_time, earliest_time);
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qos_msg =
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gst_message_new_qos (GST_OBJECT_CAST (dec), FALSE, running_time,
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stream_time, outtime, outdur);
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gst_message_set_qos_values (qos_msg, jitter, proportion, 1000000);
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gst_message_set_qos_stats (qos_msg, GST_FORMAT_BUFFERS,
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dec->processed, dec->dropped);
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gst_element_post_message (GST_ELEMENT_CAST (dec), qos_msg);
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goto dropping_qos;
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}
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}
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/* check for QoS, don't perform the last steps of getting and
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* pushing the buffers that are known to be late. */
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if (gst_video_qos_tracker_process_frame (&dec->qt, &dec->segment, outtime,
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outdur))
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goto dropping_qos;
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/* this does postprocessing and set up the decoded frame
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* pointers in our yuv variable */
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@ -1212,8 +1156,6 @@ theora_handle_data_packet (GstTheoraDec * dec, ogg_packet * packet,
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GST_BUFFER_TIMESTAMP (out) = outtime;
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GST_BUFFER_DURATION (out) = outdur;
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dec->processed++;
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if (dec->segment.rate >= 0.0)
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result = theora_dec_push_forward (dec, out);
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else
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@ -1506,6 +1448,7 @@ theora_dec_change_state (GstElement * element, GstStateChange transition)
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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gst_video_qos_tracker_init (&dec->qt, element);
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break;
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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th_info_clear (&dec->info);
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@ -1536,6 +1479,7 @@ theora_dec_change_state (GstElement * element, GstStateChange transition)
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gst_theora_dec_reset (dec);
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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gst_video_qos_tracker_clear (&dec->qt);
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break;
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default:
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break;
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@ -25,6 +25,7 @@
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#endif
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <theora/theoradec.h>
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#include <string.h>
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@ -97,11 +98,8 @@ struct _GstTheoraDec
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gboolean discont;
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guint32 seqnum;
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/* QoS stuff */ /* with LOCK*/
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gdouble proportion;
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GstClockTime earliest_time;
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guint64 processed;
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guint64 dropped;
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/* QoS stuff */
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GstVideoQoSTracker qt;
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gboolean have_par;
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gint par_num;
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