* Realmedia RTSP (RDT) definitions
* Copyright (c) 2007 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
*
- * 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
*/
#ifndef AVFORMAT_RDT_H
#define AVFORMAT_RDT_H
+#include <stdint.h>
+#include "avformat.h"
+#include "rtpdec.h"
+
+typedef struct RDTDemuxContext RDTDemuxContext;
+
+/**
+ * Allocate and init the RDT parsing context.
+ * @param ic the containing RTSP demuxer context
+ * @param first_stream_of_set_idx index to the first AVStream in the RTSP
+ * demuxer context's ic->streams array that is part of this
+ * particular stream's set of streams (with identical content)
+ * @param priv_data private data of the payload data handler context
+ * @param handler pointer to the parse_packet() payload parsing function
+ * @return a newly allocated RDTDemuxContext. Free with ff_rdt_parse_close().
+ */
+RDTDemuxContext *ff_rdt_parse_open(AVFormatContext *ic,
+ int first_stream_of_set_idx,
+ void *priv_data,
+ RTPDynamicProtocolHandler *handler);
+void ff_rdt_parse_close(RDTDemuxContext *s);
+
/**
* Calculate the response (RealChallenge2 in the RTSP header) to the
* challenge (RealChallenge1 in the RTSP header from the Real/Helix
/**
* Add subscription information to Subscribe parameter string.
*
- * @param s RDT context
* @param cmd string to write the subscription information into.
* @param size size of cmd.
* @param stream_nr stream number.
* @param rule_nr rule number to conform to.
*/
-void ff_rdt_subscribe_rule(RTPDemuxContext *s, char *cmd, int size,
+void ff_rdt_subscribe_rule(char *cmd, int size,
int stream_nr, int rule_nr);
+/**
+ * Parse RDT-style packet header.
+ *
+ * @param buf input buffer
+ * @param len length of input buffer
+ * @param pset_id will be set to the set ID this packet belongs to
+ * @param pseq_no will be set to the sequence number of the packet
+ * @param pstream_id will be set to the stream ID this packet belongs to
+ * @param pis_keyframe will be whether this packet belongs to a keyframe
+ * @param ptimestamp will be set to the timestamp of the packet
+ * @return the amount of bytes consumed, or negative on error
+ */
+int ff_rdt_parse_header(const uint8_t *buf, int len,
+ int *pset_id, int *pseq_no, int *pstream_id,
+ int *pis_keyframe, uint32_t *ptimestamp);
+
+/**
+ * Parse RDT-style packet data (header + media data).
+ * Usage similar to rtp_parse_packet().
+ */
+int ff_rdt_parse_packet(RDTDemuxContext *s, AVPacket *pkt,
+ uint8_t **buf, int len);
+
+/**
+ * Parse a server-related SDP line.
+ *
+ * @param s the RTSP AVFormatContext
+ * @param stream_index the index of the first stream in the set represented
+ * by the SDP m= line (in s->streams)
+ * @param buf the SDP line
+ */
+void ff_real_parse_sdp_a_line(AVFormatContext *s, int stream_index,
+ const char *buf);
+
#endif /* AVFORMAT_RDT_H */