/usr/include/smpeg/MPEGstream.h is in libsmpeg-dev 0.4.5+cvs20030824-7.2+b1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | /*
SMPEG - SDL MPEG Player Library
Copyright (C) 1999 Loki Entertainment Software
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* The generic MPEG stream class */
#ifndef _MPEGSTREAM_H_
#define _MPEGSTREAM_H_
#include "SDL_types.h"
#include "MPEGerror.h"
#include "MPEGvideo.h"
#include "MPEGaudio.h"
#include "MPEGlist.h"
#define AUDIO_STREAMID 0xc0
#define VIDEO_STREAMID 0xe0
#define SYSTEM_STREAMID 0xbb
struct MPEGstream_marker
{
/* Data to mark part of the stream */
MPEGlist * marked_buffer;
Uint8 *marked_data;
Uint8 *marked_stop;
};
class MPEGstream
{
public:
MPEGstream(class MPEGsystem * System, Uint8 Streamid);
~MPEGstream();
/* Cleanup the buffers and reset the stream */
void reset_stream(void);
/* Rewind the stream */
void rewind_stream(void);
/* Go to the next packet in the stream */
bool next_packet(bool recurse = true, bool update_timestamp = true);
/* Mark a position in the data stream */
MPEGstream_marker *new_marker(int offset);
/* Jump to the marked position */
bool seek_marker(MPEGstream_marker const * marker);
/* Jump to last successfully marked position */
void delete_marker(MPEGstream_marker * marker);
/* Copy data from the stream to a local buffer */
Uint32 copy_data(Uint8 *area, Sint32 size, bool short_read = false);
/* Copy a byte from the stream */
int copy_byte(void);
/* Check for end of file or an error in the stream */
bool eof(void) const;
/* Insert a new packet at the end of the stream */
void insert_packet(Uint8 * data, Uint32 size, double timestamp=-1);
/* Check for unused buffers and free them */
void garbage_collect(void);
/* Enable or disable the stream */
void enable(bool toggle);
/* Get stream time */
double time();
Uint32 pos;
Uint8 streamid;
protected:
Uint8 *data;
Uint8 *stop;
Uint32 preread_size;
class MPEGsystem * system;
MPEGlist * br;
bool cleareof;
bool enabled;
SDL_mutex * mutex;
/* Get a buffer from the stream */
bool next_system_buffer(void);
public:
/* "pos" where "timestamp" belongs */
Uint32 timestamp_pos;
double timestamp;
};
#endif /* _MPEGSTREAM_H_ */
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