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* MMS protocol common definitions.
* Copyright (c) 2010 Zhentan Feng <spyfeng at gmail dot com>
* This file is part of FFmpeg.
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#include "url.h"
typedef struct MMSStream {
int id;
typedef struct MMSContext {
URLContext *mms_hd; ///< TCP connection handle
MMSStream *streams;
/** Buffer for outgoing packets. */
uint8_t *write_out_ptr; ///< Pointer for writing the buffer.
uint8_t out_buffer[512]; ///< Buffer for outgoing packet.
/** Buffer for incoming packets. */
uint8_t in_buffer[65536]; ///< Buffer for incoming packets.
uint8_t *read_in_ptr; ///< Pointer for reading from incoming buffer.
int remaining_in_len; ///< Reading length from incoming buffer.
/** Internal handling of the ASF header */
uint8_t *asf_header; ///< Stored ASF header.
int asf_header_size; ///< Size of stored ASF header.
int header_parsed; ///< The header has been received and parsed.
int asf_packet_len;
int asf_header_read_size;
int stream_num; ///< stream numbers.
unsigned int nb_streams_allocated; ///< allocated size of streams
} MMSContext;
int ff_mms_asf_header_parser(MMSContext * mms);
int ff_mms_read_data(MMSContext *mms, uint8_t *buf, const int size);
int ff_mms_read_header(MMSContext * mms, uint8_t * buf, const int size);
#endif /* AVFORMAT_MMS_H */