ffmpeg source update for sep 09

source/patched-ffmpeg-mt/libavformat/rtspenc.c

 /*
  * RTSP muxer
  * Copyright (c) 2010 Martin Storsjo
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
@@ skipping 67 matching lines @@
         /* The interleaving header is exactly 4 bytes, which happens to be
          * the same size as the packet length header from
          * url_open_dyn_packet_buf. So by writing the interleaving header
          * over these bytes, we get a consecutive interleaved packet
          * that can be written in one call. */
         interleaved_packet = interleave_header = ptr;
         ptr += 4;
         size -= 4;
         if (packet_len > size || packet_len < 2)
             break;
-        if (ptr[1] >= 200 && ptr[1] <= 204)
+        if (ptr[1] >= RTCP_SR && ptr[1] <= RTCP_APP)
             id = rtsp_st->interleaved_max; /* RTCP */
         else
             id = rtsp_st->interleaved_min; /* RTP */
         interleave_header[0] = '$';
         interleave_header[1] = id;
         AV_WB16(interleave_header + 2, packet_len);
         url_write(rt->rtsp_hd_out, interleaved_packet, 4 + packet_len);
         ptr += packet_len;
         size -= packet_len;
     }
@@ skipping 74 matching lines @@
     NULL,
     sizeof(RTSPState),
     CODEC_ID_AAC,
     CODEC_ID_MPEG4,
     rtsp_write_header,
     rtsp_write_packet,
     rtsp_write_close,
     .flags = AVFMT_NOFILE | AVFMT_GLOBALHEADER,
 };