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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 */ |