diff --git a/gst/mpegtsdemux/tsdemux.c b/gst/mpegtsdemux/tsdemux.c index c3e0d9355d..03a3fbabb3 100644 --- a/gst/mpegtsdemux/tsdemux.c +++ b/gst/mpegtsdemux/tsdemux.c @@ -55,6 +55,9 @@ #define TABLE_ID_UNSET 0xFF +#define CONTINUITY_UNSET 255 +#define MAX_CONTINUITY 15 + #define PCR_WRAP_SIZE_128KBPS (((gint64)1490)*(1024*1024)) /* small PCR for wrap detection */ #define PCR_SMALL 17775000 @@ -148,6 +151,8 @@ struct _TSDemuxStream gboolean need_newsegment; GstTagList *taglist; + + gint continuity_counter; }; #define VIDEO_CAPS \ @@ -1038,6 +1043,7 @@ gst_ts_demux_stream_added (MpegTSBase * base, MpegTSBaseStream * bstream, stream->fixed_dts = 0; stream->nb_pts_rollover = 0; stream->nb_dts_rollover = 0; + stream->continuity_counter = CONTINUITY_UNSET; } stream->flow_return = GST_FLOW_OK; } @@ -1122,6 +1128,7 @@ gst_ts_demux_stream_flush (TSDemuxStream * stream) if (stream->flow_return == GST_FLOW_FLUSHING) { stream->flow_return = GST_FLOW_OK; } + stream->continuity_counter = CONTINUITY_UNSET; } static void @@ -1340,11 +1347,24 @@ gst_ts_demux_queue_data (GstTSDemux * demux, TSDemuxStream * stream, guint8 *data; guint size; - GST_DEBUG ("state:%d", stream->state); + GST_DEBUG ("pid: 0x%04x state:%d", stream->stream.pid, stream->state); size = packet->data_end - packet->payload; data = packet->payload; + if (stream->continuity_counter == CONTINUITY_UNSET) { + GST_DEBUG ("CONTINUITY: Initialize to %d", packet->continuity_counter); + } else if ((packet->continuity_counter == stream->continuity_counter + 1 || + (stream->continuity_counter == MAX_CONTINUITY && + packet->continuity_counter == 0))) { + GST_LOG ("CONTINUITY: Got expected %d", packet->continuity_counter); + } else { + GST_ERROR ("CONTINUITY: Mismatch packet %d, stream %d", + packet->continuity_counter, stream->continuity_counter); + stream->state = PENDING_PACKET_DISCONT; + } + stream->continuity_counter = packet->continuity_counter; + if (stream->state == PENDING_PACKET_EMPTY) { if (G_UNLIKELY (!packet->payload_unit_start_indicator)) { stream->state = PENDING_PACKET_DISCONT; @@ -1383,6 +1403,7 @@ gst_ts_demux_queue_data (GstTSDemux * demux, TSDemuxStream * stream, g_free (stream->data); stream->data = NULL; } + stream->continuity_counter = CONTINUITY_UNSET; break; } default: