* RTP definitions
* Copyright (c) 2002 Fabrice Bellard.
*
- * This library is free software; you can redistribute it and/or
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef RTP_H
-#define RTP_H
-
-enum RTPPayloadType {
- RTP_PT_ULAW = 0,
- RTP_PT_GSM = 3,
- RTP_PT_G723 = 4,
- RTP_PT_ALAW = 8,
- RTP_PT_S16BE_STEREO = 10,
- RTP_PT_S16BE_MONO = 11,
- RTP_PT_MPEGAUDIO = 14,
- RTP_PT_JPEG = 26,
- RTP_PT_H261 = 31,
- RTP_PT_MPEGVIDEO = 32,
- RTP_PT_MPEG2TS = 33,
- RTP_PT_H263 = 34, /* old H263 encapsulation */
- RTP_PT_PRIVATE = 96,
-};
+#ifndef FFMPEG_RTP_H
+#define FFMPEG_RTP_H
+
+#include "libavcodec/avcodec.h"
+#include "avformat.h"
#define RTP_MIN_PACKET_LENGTH 12
#define RTP_MAX_PACKET_LENGTH 1500 /* XXX: suppress this define */
-int rtp_init(void);
int rtp_get_codec_info(AVCodecContext *codec, int payload_type);
+
+/** return < 0 if unknown payload type */
int rtp_get_payload_type(AVCodecContext *codec);
typedef struct RTPDemuxContext RTPDemuxContext;
-
-RTPDemuxContext *rtp_parse_open(AVFormatContext *s1, AVStream *st, int payload_type);
-int rtp_parse_packet(RTPDemuxContext *s, AVPacket *pkt,
+typedef struct rtp_payload_data_s rtp_payload_data_s;
+RTPDemuxContext *rtp_parse_open(AVFormatContext *s1, AVStream *st, URLContext *rtpc, int payload_type, rtp_payload_data_s *rtp_payload_data);
+int rtp_parse_packet(RTPDemuxContext *s, AVPacket *pkt,
const uint8_t *buf, int len);
void rtp_parse_close(RTPDemuxContext *s);
-extern AVOutputFormat rtp_mux;
-extern AVInputFormat rtp_demux;
-
int rtp_get_local_port(URLContext *h);
int rtp_set_remote_url(URLContext *h, const char *uri);
void rtp_get_file_handles(URLContext *h, int *prtp_fd, int *prtcp_fd);
-extern URLProtocol rtp_protocol;
+/**
+ * some rtp servers assume client is dead if they don't hear from them...
+ * so we send a Receiver Report to the provided ByteIO context
+ * (we don't have access to the rtcp handle from here)
+ */
+int rtp_check_and_send_back_rr(RTPDemuxContext *s, int count);
+
+#define RTP_PT_PRIVATE 96
+#define RTP_VERSION 2
+#define RTP_MAX_SDES 256 /**< maximum text length for SDES */
+
+/* RTCP paquets use 0.5 % of the bandwidth */
+#define RTCP_TX_RATIO_NUM 5
+#define RTCP_TX_RATIO_DEN 1000
+
+/** Structure listing useful vars to parse RTP packet payload*/
+typedef struct rtp_payload_data_s
+{
+ int sizelength;
+ int indexlength;
+ int indexdeltalength;
+ int profile_level_id;
+ int streamtype;
+ int objecttype;
+ char *mode;
+
+ /** mpeg 4 AU headers */
+ struct AUHeaders {
+ int size;
+ int index;
+ int cts_flag;
+ int cts;
+ int dts_flag;
+ int dts;
+ int rap_flag;
+ int streamstate;
+ } *au_headers;
+ int nb_au_headers;
+ int au_headers_length_bytes;
+ int cur_au_index;
+} rtp_payload_data_t;
+
+#if 0
+typedef enum {
+ RTCP_SR = 200,
+ RTCP_RR = 201,
+ RTCP_SDES = 202,
+ RTCP_BYE = 203,
+ RTCP_APP = 204
+} rtcp_type_t;
+
+typedef enum {
+ RTCP_SDES_END = 0,
+ RTCP_SDES_CNAME = 1,
+ RTCP_SDES_NAME = 2,
+ RTCP_SDES_EMAIL = 3,
+ RTCP_SDES_PHONE = 4,
+ RTCP_SDES_LOC = 5,
+ RTCP_SDES_TOOL = 6,
+ RTCP_SDES_NOTE = 7,
+ RTCP_SDES_PRIV = 8,
+ RTCP_SDES_IMG = 9,
+ RTCP_SDES_DOOR = 10,
+ RTCP_SDES_SOURCE = 11
+} rtcp_sdes_type_t;
+#endif
-#endif /* RTP_H */
+#endif /* FFMPEG_RTP_H */
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