1 #ifndef HEADER_CURL_RTSP_H 2 #define HEADER_CURL_RTSP_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 11 * 12 * This software is licensed as described in the file COPYING, which 13 * you should have received as part of this distribution. The terms 14 * are also available at https://curl.se/docs/copyright.html. 15 * 16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 17 * copies of the Software, and permit persons to whom the Software is 18 * furnished to do so, under the terms of the COPYING file. 19 * 20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 21 * KIND, either express or implied. 22 * 23 * SPDX-License-Identifier: curl 24 * 25 ***************************************************************************/ 26 #ifdef USE_HYPER 27 #define CURL_DISABLE_RTSP 1 28 #endif 29 30 #ifndef CURL_DISABLE_RTSP 31 32 extern const struct Curl_handler Curl_handler_rtsp; 33 34 CURLcode Curl_rtsp_parseheader(struct Curl_easy *data, char *header); 35 36 #else 37 /* disabled */ 38 #define Curl_rtsp_parseheader(x,y) CURLE_NOT_BUILT_IN 39 40 #endif /* CURL_DISABLE_RTSP */ 41 42 typedef enum { 43 RTP_PARSE_SKIP, 44 RTP_PARSE_CHANNEL, 45 RTP_PARSE_LEN, 46 RTP_PARSE_DATA 47 } rtp_parse_st; 48 /* 49 * RTSP Connection data 50 * 51 * Currently, only used for tracking incomplete RTP data reads 52 */ 53 struct rtsp_conn { 54 struct dynbuf buf; 55 int rtp_channel; 56 size_t rtp_len; 57 rtp_parse_st state; 58 BIT(in_header); 59 }; 60 61 /**************************************************************************** 62 * RTSP unique setup 63 ***************************************************************************/ 64 struct RTSP { 65 /* 66 * http_wrapper MUST be the first element of this structure for the wrap 67 * logic to work. In this way, we get a cheap polymorphism because 68 * &(data->state.proto.rtsp) == &(data->state.proto.http) per the C spec 69 * 70 * HTTP functions can safely treat this as an HTTP struct, but RTSP aware 71 * functions can also index into the later elements. 72 */ 73 struct HTTP http_wrapper; /* wrap HTTP to do the heavy lifting */ 74 75 long CSeq_sent; /* CSeq of this request */ 76 long CSeq_recv; /* CSeq received */ 77 }; 78 79 80 #endif /* HEADER_CURL_RTSP_H */ 81