remove wrong and no more used packet reordering code

Originally committed as revision 8691 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/matroska.c

@@ -178,7 +178,6 @@ typedef enum {
   MATROSKA_TRACK_DEFAULT = (1<<1),
   MATROSKA_TRACK_LACING  = (1<<2),
   MATROSKA_TRACK_REAL_V  = (1<<4),
-  MATROSKA_TRACK_REORDER = (1<<8),
   MATROSKA_TRACK_SHIFT   = (1<<16)
 } MatroskaTrackFlags;
 
@@ -338,10 +337,6 @@ typedef struct MatroskaDemuxContext {
     /* The packet queue. */
     AVPacket **packets;
     int num_packets;
-    /* Second packet queue used to reorder pts of some video track. */
-    AVPacket **packets_reorder;
-    int num_packets_reorder;
-    uint64_t reorder_max_pts;
 
     /* have we already parse metadata/cues/clusters? */
     int metadata_parsed,
@@ -1026,42 +1021,6 @@ matroska_queue_packet (MatroskaDemuxContext *matroska,
     matroska->num_packets++;
 }
 
-/*
- * Put a packet into our internal reordering queue. Will be moved to the
- * main packet queue when enough packets are available to reorder pts.
- */
-
-static void
-matroska_queue_packet_reordered (MatroskaDemuxContext *matroska,
-                                 AVPacket             *pkt,
-                                 int                   is_bframe)
-{
-    if (matroska->num_packets_reorder && !is_bframe
-        && pkt->pts > matroska->reorder_max_pts) {
-        /* reorder pts */
-        int i, j, k = 1;
-        for (j=matroska->num_packets_reorder-1; j && k; j--) {
-            k = 0;
-            for (i=0; i<j; i++) {
-                if (matroska->packets_reorder[i]->pts > matroska->packets_reorder[i+1]->pts) {
-                    FFSWAP(uint64_t, matroska->packets_reorder[i]->pts, matroska->packets_reorder[i+1]->pts);
-                    k = 1;
-                }
-            }
-        }
-        /* then really queue the packets */
-        for (i=0; i<matroska->num_packets_reorder; i++)
-            matroska_queue_packet (matroska, matroska->packets_reorder[i]);
-        matroska->num_packets_reorder = 0;
-    }
-    matroska->packets_reorder =
-        av_realloc(matroska->packets_reorder,
-                   (matroska->num_packets_reorder + 1) * sizeof(AVPacket *));
-    matroska->packets_reorder[matroska->num_packets_reorder++] = pkt;
-    if (pkt->pts > matroska->reorder_max_pts)
-        matroska->reorder_max_pts = pkt->pts;
-}
-
 
 /*
  * Autodetecting...
@@ -2582,9 +2541,6 @@ matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data, int size,
                 pkt->pos = pos;
                 pkt->duration = duration;
 
-                if (matroska->tracks[track]->flags & MATROSKA_TRACK_REORDER)
-                    matroska_queue_packet_reordered(matroska, pkt, is_bframe);
-                else
                     matroska_queue_packet(matroska, pkt);
 
                 if (timecode != AV_NOPTS_VALUE)
@@ -2814,13 +2770,6 @@ matroska_read_close (AVFormatContext *s)
         }
         av_free(matroska->packets);
     }
-    if (matroska->packets_reorder) {
-        for (n = 0; n < matroska->num_packets_reorder; n++) {
-            av_free_packet(matroska->packets_reorder[n]);
-            av_free(matroska->packets_reorder[n]);
-        }
-        av_free(matroska->packets_reorder);
-    }
 
     for (n = 0; n < matroska->num_tracks; n++) {
         MatroskaTrack *track = matroska->tracks[n];