/*
* RTP input/output format
- * Copyright (c) 2002 Fabrice Bellard.
+ * 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 "libavcodec/bitstream.h"
+#include "libavutil/opt.h"
#include "avformat.h"
-#include <unistd.h>
-#include "network.h"
-
-#include "rtp_internal.h"
-
-//#define DEBUG
+#include "rtp.h"
/* from http://www.iana.org/assignments/rtp-parameters last updated 05 January 2005 */
/* payload types >= 96 are dynamic;
* all the other payload types not present in the table are unassigned or
* reserved
*/
-static const struct
-{
+static const struct {
int pt;
const char enc_name[6];
- enum CodecType codec_type;
- enum CodecID codec_id;
+ enum AVMediaType codec_type;
+ enum AVCodecID codec_id;
int clock_rate;
int audio_channels;
-} AVRtpPayloadTypes[]=
-{
- {0, "PCMU", CODEC_TYPE_AUDIO, CODEC_ID_PCM_MULAW, 8000, 1},
- {3, "GSM", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
- {4, "G723", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
- {5, "DVI4", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
- {6, "DVI4", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 16000, 1},
- {7, "LPC", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
- {8, "PCMA", CODEC_TYPE_AUDIO, CODEC_ID_PCM_ALAW, 8000, 1},
- {9, "G722", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
- {10, "L16", CODEC_TYPE_AUDIO, CODEC_ID_PCM_S16BE, 44100, 2},
- {11, "L16", CODEC_TYPE_AUDIO, CODEC_ID_PCM_S16BE, 44100, 1},
- {12, "QCELP", CODEC_TYPE_AUDIO, CODEC_ID_QCELP, 8000, 1},
- {13, "CN", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
- {14, "MPA", CODEC_TYPE_AUDIO, CODEC_ID_MP2, -1, -1},
- {14, "MPA", CODEC_TYPE_AUDIO, CODEC_ID_MP3, -1, -1},
- {15, "G728", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
- {16, "DVI4", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 11025, 1},
- {17, "DVI4", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 22050, 1},
- {18, "G729", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
- {25, "CelB", CODEC_TYPE_VIDEO, CODEC_ID_NONE, 90000, -1},
- {26, "JPEG", CODEC_TYPE_VIDEO, CODEC_ID_MJPEG, 90000, -1},
- {28, "nv", CODEC_TYPE_VIDEO, CODEC_ID_NONE, 90000, -1},
- {31, "H261", CODEC_TYPE_VIDEO, CODEC_ID_H261, 90000, -1},
- {32, "MPV", CODEC_TYPE_VIDEO, CODEC_ID_MPEG1VIDEO, 90000, -1},
- {32, "MPV", CODEC_TYPE_VIDEO, CODEC_ID_MPEG2VIDEO, 90000, -1},
- {33, "MP2T", CODEC_TYPE_DATA, CODEC_ID_MPEG2TS, 90000, -1},
- {34, "H263", CODEC_TYPE_VIDEO, CODEC_ID_H263, 90000, -1},
- {-1, "", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1}
+} rtp_payload_types[] = {
+ {0, "PCMU", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_PCM_MULAW, 8000, 1},
+ {3, "GSM", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_NONE, 8000, 1},
+ {4, "G723", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_G723_1, 8000, 1},
+ {5, "DVI4", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_NONE, 8000, 1},
+ {6, "DVI4", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_NONE, 16000, 1},
+ {7, "LPC", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_NONE, 8000, 1},
+ {8, "PCMA", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_PCM_ALAW, 8000, 1},
+ {9, "G722", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_ADPCM_G722, 8000, 1},
+ {10, "L16", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_PCM_S16BE, 44100, 2},
+ {11, "L16", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_PCM_S16BE, 44100, 1},
+ {12, "QCELP", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_QCELP, 8000, 1},
+ {13, "CN", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_NONE, 8000, 1},
+ {14, "MPA", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_MP2, -1, -1},
+ {14, "MPA", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_MP3, -1, -1},
+ {15, "G728", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_NONE, 8000, 1},
+ {16, "DVI4", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_NONE, 11025, 1},
+ {17, "DVI4", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_NONE, 22050, 1},
+ {18, "G729", AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_NONE, 8000, 1},
+ {25, "CelB", AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_NONE, 90000, -1},
+ {26, "JPEG", AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_MJPEG, 90000, -1},
+ {28, "nv", AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_NONE, 90000, -1},
+ {31, "H261", AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_H261, 90000, -1},
+ {32, "MPV", AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_MPEG1VIDEO, 90000, -1},
+ {32, "MPV", AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_MPEG2VIDEO, 90000, -1},
+ {33, "MP2T", AVMEDIA_TYPE_DATA, AV_CODEC_ID_MPEG2TS, 90000, -1},
+ {34, "H263", AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_H263, 90000, -1},
+ {-1, "", AVMEDIA_TYPE_UNKNOWN, AV_CODEC_ID_NONE, -1, -1}
};
-int rtp_get_codec_info(AVCodecContext *codec, int payload_type)
+int ff_rtp_get_codec_info(AVCodecParameters *par, int payload_type)
{
int i = 0;
- for (i = 0; AVRtpPayloadTypes[i].pt >= 0; i++)
- if (AVRtpPayloadTypes[i].pt == payload_type) {
- if (AVRtpPayloadTypes[i].codec_id != CODEC_ID_NONE) {
- codec->codec_type = AVRtpPayloadTypes[i].codec_type;
- codec->codec_id = AVRtpPayloadTypes[i].codec_id;
- if (AVRtpPayloadTypes[i].audio_channels > 0)
- codec->channels = AVRtpPayloadTypes[i].audio_channels;
- if (AVRtpPayloadTypes[i].clock_rate > 0)
- codec->sample_rate = AVRtpPayloadTypes[i].clock_rate;
+ for (i = 0; rtp_payload_types[i].pt >= 0; i++)
+ if (rtp_payload_types[i].pt == payload_type) {
+ if (rtp_payload_types[i].codec_id != AV_CODEC_ID_NONE) {
+ par->codec_type = rtp_payload_types[i].codec_type;
+ par->codec_id = rtp_payload_types[i].codec_id;
+ if (rtp_payload_types[i].audio_channels > 0)
+ par->channels = rtp_payload_types[i].audio_channels;
+ if (rtp_payload_types[i].clock_rate > 0)
+ par->sample_rate = rtp_payload_types[i].clock_rate;
return 0;
}
}
return -1;
}
-int rtp_get_payload_type(AVCodecContext *codec)
+int ff_rtp_get_payload_type(AVFormatContext *fmt,
+ AVCodecParameters *par, int idx)
{
- int i, payload_type;
-
- /* compute the payload type */
- for (payload_type = -1, i = 0; AVRtpPayloadTypes[i].pt >= 0; ++i)
- if (AVRtpPayloadTypes[i].codec_id == codec->codec_id) {
- if (codec->codec_id == CODEC_ID_PCM_S16BE)
- if (codec->channels != AVRtpPayloadTypes[i].audio_channels)
- continue;
- payload_type = AVRtpPayloadTypes[i].pt;
+ int i;
+ AVOutputFormat *ofmt = fmt ? fmt->oformat : NULL;
+
+ /* Was the payload type already specified for the RTP muxer? */
+ if (ofmt && ofmt->priv_class && fmt->priv_data) {
+ 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;
+ }
+
+ /* static payload type */
+ for (i = 0; rtp_payload_types[i].pt >= 0; ++i)
+ if (rtp_payload_types[i].codec_id == par->codec_id) {
+ if (par->codec_id == AV_CODEC_ID_H263 && (!fmt || !fmt->oformat ||
+ !fmt->oformat->priv_class || !fmt->priv_data ||
+ !av_opt_flag_is_set(fmt->priv_data, "rtpflags", "rfc2190")))
+ continue;
+ /* G722 has 8000 as nominal rate even if the sample rate is 16000,
+ * see section 4.5.2 in RFC 3551. */
+ if (par->codec_id == AV_CODEC_ID_ADPCM_G722 &&
+ par->sample_rate == 16000 && par->channels == 1)
+ return rtp_payload_types[i].pt;
+ if (par->codec_type == AVMEDIA_TYPE_AUDIO &&
+ ((rtp_payload_types[i].clock_rate > 0 &&
+ par->sample_rate != rtp_payload_types[i].clock_rate) ||
+ (rtp_payload_types[i].audio_channels > 0 &&
+ par->channels != rtp_payload_types[i].audio_channels)))
+ continue;
+ return rtp_payload_types[i].pt;
}
- return payload_type;
+
+ if (idx < 0)
+ idx = par->codec_type == AVMEDIA_TYPE_AUDIO;
+
+ /* dynamic payload type */
+ return RTP_PT_PRIVATE + idx;
}
const char *ff_rtp_enc_name(int payload_type)
{
int i;
- for (i = 0; AVRtpPayloadTypes[i].pt >= 0; i++)
- if (AVRtpPayloadTypes[i].pt == payload_type) {
- return AVRtpPayloadTypes[i].enc_name;
- }
+ for (i = 0; rtp_payload_types[i].pt >= 0; i++)
+ if (rtp_payload_types[i].pt == payload_type)
+ return rtp_payload_types[i].enc_name;
return "";
}
-enum CodecID ff_rtp_codec_id(const char *buf, enum CodecType codec_type)
+enum AVCodecID ff_rtp_codec_id(const char *buf, enum AVMediaType codec_type)
{
int i;
- for (i = 0; AVRtpPayloadTypes[i].pt >= 0; i++)
- if (!strcmp(buf, AVRtpPayloadTypes[i].enc_name) && (codec_type == AVRtpPayloadTypes[i].codec_type)){
- return AVRtpPayloadTypes[i].codec_id;
- }
+ for (i = 0; rtp_payload_types[i].pt >= 0; i++)
+ if (!strcmp(buf, rtp_payload_types[i].enc_name) && (codec_type == rtp_payload_types[i].codec_type))
+ return rtp_payload_types[i].codec_id;
- return CODEC_ID_NONE;
+ return AV_CODEC_ID_NONE;
}
projects / ffmpeg / blobdiff