smacker: set channel layout

[ffmpeg] / libavformat / rdt.h

diff --git a/libavformat/rdt.h b/libavformat/rdt.h
index f7aad6dfc9dcb8351b0be07f5ac5240df3243eef..a393299415f40a5cdc008eebf72e8cc3657775e7 100644 (file)
--- a/libavformat/rdt.h
+++ b/libavformat/rdt.h
@@ -2,26 +2,48 @@
  * 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
@@ -37,4 +59,54 @@
 void ff_rdt_calc_response_and_checksum(char response[41], char chksum[9],
                                        const char *challenge);
 
+/**
+ * Register RDT-related dynamic payload handlers with our cache.
+ */
+void av_register_rdt_dynamic_payload_handlers(void);
+
+/**
+ * Add subscription information to Subscribe parameter string.
+ *
+ * @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(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 */