#include "rtspcodes.h"
#include "rtpdec.h"
#include "network.h"
+#include "httpauth.h"
/**
* Network layer over which RTP/etc packet data will be transported.
RTSP_TRANSPORT_NB
};
+/**
+ * Transport mode for the RTSP data. This may be plain, or
+ * tunneled, which is done over HTTP.
+ */
+enum RTSPControlTransport {
+ RTSP_MODE_PLAIN, /**< Normal RTSP */
+ RTSP_MODE_TUNNEL /**< RTSP over HTTP (tunneling) */
+};
+
#define RTSP_DEFAULT_PORT 554
#define RTSP_MAX_TRANSPORTS 8
#define RTSP_TCP_MAX_PACKET_SIZE 1472
-#define RTSP_DEFAULT_NB_AUDIO_CHANNELS 2
+#define RTSP_DEFAULT_NB_AUDIO_CHANNELS 1
#define RTSP_DEFAULT_AUDIO_SAMPLERATE 44100
#define RTSP_RTP_PORT_MIN 5000
#define RTSP_RTP_PORT_MAX 10000
* packets will be allowed to make before being discarded. */
int ttl;
- uint32_t destination; /**< destination IP address */
+ struct sockaddr_storage destination; /**< destination IP address */
+ char source[INET6_ADDRSTRLEN + 1]; /**< source IP address */
/** data/packet transport protocol; e.g. RTP or RDT */
enum RTSPTransport transport;
* http://tools.ietf.org/html/draft-stiemerling-rtsp-announce-00
* for a complete list of supported values. */
int notice;
+
+ /** The "reason" is meant to specify better the meaning of the error code
+ * returned
+ */
+ char reason[256];
} RTSPMessageHeader;
/**
* @todo Use ByteIOContext instead of URLContext
*/
typedef struct RTSPState {
- URLContext *rtsp_hd; /* RTSP TCP connexion handle */
+ URLContext *rtsp_hd; /* RTSP TCP connection handle */
/** number of items in the 'rtsp_streams' variable */
int nb_rtsp_streams;
* of RTSPMessageHeader->real_challenge */
enum RTSPServerType server_type;
- /** base64-encoded authorization lines (username:password) */
- char *auth_b64;
+ /** plaintext authorization line (username:password) */
+ char auth[128];
+
+ /** authentication state */
+ HTTPAuthState auth_state;
/** The last reply of the server to a RTSP command */
char last_reply[2048]; /* XXX: allocate ? */
/** stream setup during the last frame read. This is used to detect if
* we need to subscribe or unsubscribe to any new streams. */
- enum AVDiscard real_setup_cache[MAX_STREAMS];
+ enum AVDiscard *real_setup_cache;
+
+ /** current stream setup. This is a temporary buffer used to compare
+ * current setup to previous frame setup. */
+ enum AVDiscard *real_setup;
/** the last value of the "SET_PARAMETER Subscribe:" RTSP command.
* this is used to send the same "Unsubscribe:" if stream setup changed,
* for all subsequent RTSP requests, rather than the input URI; in
* other cases, this is a copy of AVFormatContext->filename. */
char control_uri[1024];
+
+ /** Additional output handle, used when input and output are done
+ * separately, eg for HTTP tunneling. */
+ URLContext *rtsp_hd_out;
+
+ /** RTSP transport mode, such as plain or tunneled. */
+ enum RTSPControlTransport control_transport;
+
+ /* Number of RTCP BYE packets the RTSP session has received.
+ * An EOF is propagated back if nb_byes == nb_streams.
+ * This is reset after a seek. */
+ int nb_byes;
+
+ /** Reusable buffer for receiving packets */
+ uint8_t* recvbuf;
+
+ /** Filter incoming UDP packets - receive packets only from the right
+ * source address and port. */
+ int filter_source;
} RTSPState;
/**
/** The following are used only in SDP, not RTSP */
//@{
int sdp_port; /**< port (from SDP content) */
- struct in_addr sdp_ip; /**< IP address (from SDP content) */
+ struct sockaddr_storage sdp_ip; /**< IP address (from SDP content) */
int sdp_ttl; /**< IP Time-To-Live (from SDP content) */
int sdp_payload_type; /**< payload type */
//@}
- /** rtp payload parsing infos from SDP (i.e. mapping between private
- * payload IDs and media-types (string), so that we can derive what
- * type of payload we're dealing with (and how to parse it). */
- RTPPayloadData rtp_payload_data;
-
/** The following are used for dynamic protocols (rtp_*.c/rdt.c) */
//@{
/** handler structure */
//@}
} RTSPStream;
-void rtsp_parse_line(RTSPMessageHeader *reply, const char *buf);
+void ff_rtsp_parse_line(RTSPMessageHeader *reply, const char *buf,
+ RTSPState *rt, const char *method);
-#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 method the method for the request
+ * @param url the target url for the request
+ * @param headers extra header lines to include in 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
+ *
+ * @return zero if success, nonzero otherwise
*/
-void rtsp_send_cmd_with_content_async(AVFormatContext *s,
- const char *cmd,
- const unsigned char *send_content,
- int send_content_length);
+int ff_rtsp_send_cmd_with_content_async(AVFormatContext *s,
+ const char *method, const char *url,
+ const char *headers,
+ 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 rtsp_send_cmd_async(AVFormatContext *s, const char *cmd);
+int ff_rtsp_send_cmd_async(AVFormatContext *s, const char *method,
+ const char *url, const char *headers);
/**
* 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 method the method for the request
+ * @param url the target url for the request
+ * @param headers extra header lines to include in 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
+ *
+ * @return zero if success, nonzero otherwise
*/
-void 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);
+int ff_rtsp_send_cmd_with_content(AVFormatContext *s,
+ const char *method, const char *url,
+ const char *headers,
+ 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 rtsp_send_cmd(AVFormatContext *s, const char *cmd,
- RTSPMessageHeader *reply, unsigned char **content_ptr);
+int ff_rtsp_send_cmd(AVFormatContext *s, const char *method,
+ const char *url, const char *headers,
+ RTSPMessageHeader *reply, unsigned char **content_ptr);
/**
* Read a RTSP message from the server, or prepare to read data
* 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.
+ * @param method the RTSP method this is a reply to. This affects how
+ * some response headers are acted upon. May be NULL.
*
- * @returns 1 if a data packets is ready to be received, -1 on error,
+ * @return 1 if a data packets is ready to be received, -1 on error,
* and 0 on success.
*/
-int rtsp_read_reply(AVFormatContext *s, RTSPMessageHeader *reply,
- unsigned char **content_ptr,
- int return_on_interleaved_data);
+int ff_rtsp_read_reply(AVFormatContext *s, RTSPMessageHeader *reply,
+ unsigned char **content_ptr,
+ int return_on_interleaved_data, const char *method);
+
+/**
+ * Skip a RTP/TCP interleaved packet.
+ */
+void ff_rtsp_skip_packet(AVFormatContext *s);
/**
* Connect to the RTSP server and set up the individual media streams.
*
* @param s RTSP (de)muxer context
*
- * @returns 0 on success, < 0 on error. Cleans up all allocations done
+ * @return 0 on success, < 0 on error. Cleans up all allocations done
* within the function on error.
*/
-int rtsp_connect(AVFormatContext *s);
+int ff_rtsp_connect(AVFormatContext *s);
/**
* Close and free all streams within the RTSP (de)muxer
*
* @param s RTSP (de)muxer context
*/
-void rtsp_close_streams(AVFormatContext *s);
+void ff_rtsp_close_streams(AVFormatContext *s);
+
+/**
+ * Close all connection handles within the RTSP (de)muxer
+ *
+ * @param rt RTSP (de)muxer context
+ */
+void ff_rtsp_close_connections(AVFormatContext *rt);
+
+/**
+ * Get the description of the stream and set up the RTSPStream child
+ * objects.
+ */
+int ff_rtsp_setup_input_streams(AVFormatContext *s, RTSPMessageHeader *reply);
+
+/**
+ * Announce the stream to the server and set up the RTSPStream child
+ * objects for each media stream.
+ */
+int ff_rtsp_setup_output_streams(AVFormatContext *s, const char *addr);
+
+/**
+ * Parse a SDP description of streams by populating an RTSPState struct
+ * within the AVFormatContext.
+ */
+int ff_sdp_parse(AVFormatContext *s, const char *content);
+
+/**
+ * Receive one RTP packet from an TCP interleaved RTSP stream.
+ */
+int ff_rtsp_tcp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
+ uint8_t *buf, int buf_size);
+
+/**
+ * Receive one packet from the RTSPStreams set up in the AVFormatContext
+ * (which should contain a RTSPState struct as priv_data).
+ */
+int ff_rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt);
+
+/**
+ * Do the SETUP requests for each stream for the chosen
+ * lower transport mode.
+ */
+int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port,
+ int lower_transport, const char *real_challenge);
#endif /* AVFORMAT_RTSP_H */
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