ffmpeg roll of source to mar 9 version...

patched-ffmpeg-mt/libavformat/rtsp.h

 /*
  * RTSP definitions
  * Copyright (c) 2002 Fabrice Bellard
  *
  * 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 2.1 of the License, or (at your option) any later version.
@@ skipping 140 matching lines @@
     int notice;
 } RTSPMessageHeader;
 
 /**
  * Client state, i.e. whether we are currently receiving data (PLAYING) or
  * setup-but-not-receiving (PAUSED). State can be changed in applications
  * by calling av_read_play/pause().
  */
 enum RTSPClientState {
     RTSP_STATE_IDLE,    /**< not initialized */
-    RTSP_STATE_PLAYING, /**< initialized and receiving data */
+    RTSP_STATE_STREAMING, /**< initialized and sending/receiving data */
     RTSP_STATE_PAUSED,  /**< initialized, but not receiving data */
     RTSP_STATE_SEEKING, /**< initialized, requesting a seek */
 };
 
 /**
  * Identifies particular servers that require special handling, such as
  * standards-incompliant "Transport:" lines in the SETUP request.
  */
 enum RTSPServerType {
     RTSP_SERVER_RTP,  /**< Standards-compliant RTP-server */
@@ skipping 102 matching lines @@
 } RTSPState;
 
 /**
  * Describes a single stream, as identified by a single m= line block in the
  * SDP content. In the case of RDT, one RTSPStream can represent multiple
  * AVStreams. In this case, each AVStream in this set has similar content
  * (but different codec/bitrate).
  */
 typedef struct RTSPStream {
     URLContext *rtp_handle;   /**< RTP stream handle (if UDP) */
-    void *transport_priv; /**< RTP/RDT parse context */
+    void *transport_priv; /**< RTP/RDT parse context if input, RTP AVFormatContext if output */
 
     /** corresponding stream index, if any. -1 if none (MPEG2TS case) */
     int stream_index;
 
     /** interleave IDs; copies of RTSPTransportField->interleaved_min/max
      * for the selected transport. Only used for TCP. */
     int interleaved_min, interleaved_max;
 
     char control_url[1024];   /**< url for this stream (from SDP) */
 
@@ skipping 13 matching lines @@
     /** The following are used for dynamic protocols (rtp_*.c/rdt.c) */
     //@{
     /** handler structure */
     RTPDynamicProtocolHandler *dynamic_handler;
 
     /** private data associated with the dynamic protocol */
     PayloadContext *dynamic_protocol_context;
     //@}
 } RTSPStream;
 
-int rtsp_init(void);
-void rtsp_parse_line(RTSPMessageHeader *reply, const char *buf);
+void ff_rtsp_parse_line(RTSPMessageHeader *reply, const char *buf);
 
 #if LIBAVFORMAT_VERSION_INT < (53 << 16)
 extern int rtsp_default_protocols;
 #endif
 extern int rtsp_rtp_port_min;
 extern int rtsp_rtp_port_max;
 
-int rtsp_pause(AVFormatContext *s);
-int rtsp_resume(AVFormatContext *s);
+/**
+ * Send a command to the RTSP server without waiting for the reply.
+ *
+ * @param s RTSP (de)muxer context
+ * @param cmd the full first line of the request
+ * @param send_content if non-null, the data to send as request body content
+ * @param send_content_length the length of the send_content data, or 0 if
+ *                            send_content is null
+ */
+void ff_rtsp_send_cmd_with_content_async(AVFormatContext *s,
+                                         const char *cmd,
+                                         const unsigned char *send_content,
+                                         int send_content_length);
+/**
+ * Send a command to the RTSP server without waiting for the reply.
+ *
+ * @see rtsp_send_cmd_with_content_async
+ */
+void ff_rtsp_send_cmd_async(AVFormatContext *s, const char *cmd);
+
+/**
+ * Send a command to the RTSP server and wait for the reply.
+ *
+ * @param s RTSP (de)muxer context
+ * @param cmd the full first line of the request
+ * @param reply pointer where the RTSP message header will be stored
+ * @param content_ptr pointer where the RTSP message body, if any, will
+ *                    be stored (length is in reply)
+ * @param send_content if non-null, the data to send as request body content
+ * @param send_content_length the length of the send_content data, or 0 if
+ *                            send_content is null
+ */
+void ff_rtsp_send_cmd_with_content(AVFormatContext *s,
+                                   const char *cmd,
+                                   RTSPMessageHeader *reply,
+                                   unsigned char **content_ptr,
+                                   const unsigned char *send_content,
+                                   int send_content_length);
+
+/**
+ * Send a command to the RTSP server and wait for the reply.
+ *
+ * @see rtsp_send_cmd_with_content
+ */
+void ff_rtsp_send_cmd(AVFormatContext *s, const char *cmd,
+                      RTSPMessageHeader *reply, unsigned char **content_ptr);
+
+/**
+ * Read a RTSP message from the server, or prepare to read data
+ * packets if we're reading data interleaved over the TCP/RTSP
+ * connection as well.
+ *
+ * @param s RTSP (de)muxer context
+ * @param reply pointer where the RTSP message header will be stored
+ * @param content_ptr pointer where the RTSP message body, if any, will
+ *                    be stored (length is in reply)
+ * @param return_on_interleaved_data whether the function may return if we
+ *                   encounter a data marker ('$'), which precedes data
+ *                   packets over interleaved TCP/RTSP connections. If this
+ *                   is set, this function will return 1 after encountering
+ *                   a '$'. If it is not set, the function will skip any
+ *                   data packets (if they are encountered), until a reply
+ *                   has been fully parsed. If no more data is available
+ *                   without parsing a reply, it will return an error.
+ *
+ * @returns 1 if a data packets is ready to be received, -1 on error,
+ *          and 0 on success.
+ */
+int ff_rtsp_read_reply(AVFormatContext *s, RTSPMessageHeader *reply,
+                       unsigned char **content_ptr,
+                       int return_on_interleaved_data);
+
+/**
+ * Connect to the RTSP server and set up the individual media streams.
+ * This can be used for both muxers and demuxers.
+ *
+ * @param s RTSP (de)muxer context
+ *
+ * @returns 0 on success, < 0 on error. Cleans up all allocations done
+ *          within the function on error.
+ */
+int ff_rtsp_connect(AVFormatContext *s);
+
+/**
+ * Close and free all streams within the RTSP (de)muxer
+ *
+ * @param s RTSP (de)muxer context
+ */
+void ff_rtsp_close_streams(AVFormatContext *s);
 
 #endif /* AVFORMAT_RTSP_H */