remove unused code in mpegts_get_pcr

libavformat/mpegts.c

@@ -1718,9 +1718,7 @@ static int64_t mpegts_get_pcr(AVFormatContext *s, int stream_index,
     int64_t pos, timestamp;
     uint8_t buf[TS_PACKET_SIZE];
     int pcr_l, pcr_pid = ((PESContext*)s->streams[stream_index]->priv_data)->pcr_pid;
-    const int find_next= 1;
     pos = ((*ppos  + ts->raw_packet_size - 1 - ts->pos47) / ts->raw_packet_size) * ts->raw_packet_size + ts->pos47;
-    if (find_next) {
         for(;;) {
             avio_seek(s->pb, pos, SEEK_SET);
             if (avio_read(s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE)
@@ -1731,20 +1729,6 @@ static int64_t mpegts_get_pcr(AVFormatContext *s, int stream_index,
             }
             pos += ts->raw_packet_size;
         }
-    } else {
-        for(;;) {
-            pos -= ts->raw_packet_size;
-            if (pos < 0)
-                return AV_NOPTS_VALUE;
-            avio_seek(s->pb, pos, SEEK_SET);
-            if (avio_read(s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE)
-                return AV_NOPTS_VALUE;
-            if ((pcr_pid < 0 || (AV_RB16(buf + 1) & 0x1fff) == pcr_pid) &&
-                parse_pcr(&timestamp, &pcr_l, buf) == 0) {
-                break;
-            }
-        }
-    }
     *ppos = pos;
 
     return timestamp;