| 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 */ |