* RTP input/output format
* Copyright (c) 2002 Fabrice Bellard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <libavutil/opt.h>
#include "avformat.h"
#include "rtp.h"
return -1;
}
-int ff_rtp_get_payload_type(AVCodecContext *codec)
+int ff_rtp_get_payload_type(AVFormatContext *fmt, AVCodecContext *codec)
{
- int i, payload_type;
+ int i;
+ AVOutputFormat *ofmt = fmt ? fmt->oformat : NULL;
+
+ /* Was the payload type already specified for the RTP muxer? */
+ if (ofmt && ofmt->priv_class) {
+ int64_t payload_type;
+ if (av_opt_get_int(fmt->priv_data, "payload_type", 0, &payload_type) >= 0 &&
+ payload_type >= 0)
+ return (int)payload_type;
+ }
- /* compute the payload type */
- for (payload_type = -1, i = 0; AVRtpPayloadTypes[i].pt >= 0; ++i)
+ /* static payload type */
+ for (i = 0; AVRtpPayloadTypes[i].pt >= 0; ++i)
if (AVRtpPayloadTypes[i].codec_id == codec->codec_id) {
if (codec->codec_id == CODEC_ID_H263)
continue;
if (codec->codec_id == CODEC_ID_PCM_S16BE)
if (codec->channels != AVRtpPayloadTypes[i].audio_channels)
continue;
- payload_type = AVRtpPayloadTypes[i].pt;
+ return AVRtpPayloadTypes[i].pt;
}
- return payload_type;
+
+ /* dynamic payload type */
+ return RTP_PT_PRIVATE + (codec->codec_type == AVMEDIA_TYPE_AUDIO);
}
const char *ff_rtp_enc_name(int payload_type)