mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 06:42:03 +00:00
72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*
|
|
* mpeg2.h
|
|
* Copyright (C) 1999-2001 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
|
|
*
|
|
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
|
|
*
|
|
* mpeg2dec is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* mpeg2dec 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
/* Structure for the mpeg2dec decoder */
|
|
|
|
typedef struct mpeg2dec_s {
|
|
// vo_instance_t * output;
|
|
|
|
/* this is where we keep the state of the decoder */
|
|
struct picture_s * picture;
|
|
|
|
uint32_t shift;
|
|
int is_display_initialized;
|
|
int is_sequence_needed;
|
|
int drop_flag;
|
|
int drop_frame;
|
|
int in_slice;
|
|
|
|
/* the maximum chunk size is determined by vbv_buffer_size */
|
|
/* which is 224K for MP@ML streams. */
|
|
/* (we make no pretenses of decoding anything more than that) */
|
|
/* allocated in init - gcc has problems allocating such big structures */
|
|
uint8_t * chunk_buffer;
|
|
/* pointer to current position in chunk_buffer */
|
|
uint8_t * chunk_ptr;
|
|
/* last start code ? */
|
|
uint8_t code;
|
|
|
|
/* ONLY for 0.2.0 release - will not stay there later */
|
|
int frame_rate_code;
|
|
} mpeg2dec_t ;
|
|
|
|
|
|
void mpeg2_init (void);
|
|
//void mpeg2_allocate_image_buffers (picture_t * picture);
|
|
int mpeg2_decode_data (vo_functions_t *, uint8_t * data_start, uint8_t * data_end);
|
|
//void mpeg2_close (vo_functions_t *);
|
|
void mpeg2_drop (int flag);
|
|
|
|
|
|
|
|
/* initialize mpegdec with a opaque user pointer */
|
|
//void mpeg2_init (mpeg2dec_t * mpeg2dec, uint32_t mm_accel
|
|
// ,vo_instance_t * output
|
|
// );
|
|
|
|
/* destroy everything which was allocated, shutdown the output */
|
|
//void mpeg2_close (mpeg2dec_t * mpeg2dec);
|
|
|
|
//int mpeg2_decode_data (mpeg2dec_t * mpeg2dec,
|
|
// uint8_t * data_start, uint8_t * data_end);
|
|
|
|
//void mpeg2_drop (mpeg2dec_t * mpeg2dec, int flag);
|