1 /* 2 * MMS protocol common definitions. 3 * Copyright (c) 2010 Zhentan Feng <spyfeng at gmail dot com> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 #ifndef AVFORMAT_MMS_H 22 #define AVFORMAT_MMS_H 23 24 #include "url.h" 25 26 typedef struct MMSStream { 27 int id; 28 }MMSStream; 29 30 typedef struct MMSContext { 31 URLContext *mms_hd; ///< TCP connection handle 32 MMSStream *streams; 33 34 /** Buffer for outgoing packets. */ 35 /*@{*/ 36 uint8_t *write_out_ptr; ///< Pointer for writing the buffer. 37 uint8_t out_buffer[512]; ///< Buffer for outgoing packet. 38 /*@}*/ 39 40 /** Buffer for incoming packets. */ 41 /*@{*/ 42 uint8_t in_buffer[65536]; ///< Buffer for incoming packets. 43 uint8_t *read_in_ptr; ///< Pointer for reading from incoming buffer. 44 int remaining_in_len; ///< Reading length from incoming buffer. 45 /*@}*/ 46 47 /** Internal handling of the ASF header */ 48 /*@{*/ 49 uint8_t *asf_header; ///< Stored ASF header. 50 int asf_header_size; ///< Size of stored ASF header. 51 int header_parsed; ///< The header has been received and parsed. 52 int asf_packet_len; 53 int asf_header_read_size; 54 /*@}*/ 55 56 int stream_num; ///< stream numbers. 57 unsigned int nb_streams_allocated; ///< allocated size of streams 58 } MMSContext; 59 60 int ff_mms_asf_header_parser(MMSContext * mms); 61 int ff_mms_read_data(MMSContext *mms, uint8_t *buf, const int size); 62 int ff_mms_read_header(MMSContext * mms, uint8_t * buf, const int size); 63 64 #endif /* AVFORMAT_MMS_H */ 65