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
26typedef struct MMSStream {
27    int id;
28}MMSStream;
29
30typedef 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
60int ff_mms_asf_header_parser(MMSContext * mms);
61int ff_mms_read_data(MMSContext *mms, uint8_t *buf, const int size);
62int ff_mms_read_header(MMSContext * mms, uint8_t * buf, const int size);
63
64#endif /* AVFORMAT_MMS_H */
65