blob: 57e3d7e18ad1e4b715ab7565c64c358373595099
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 |