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/*
* dvb_filter.h
*
* Copyright (C) 2003 Convergence GmbH
*
* This program 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.
*
* This program 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 Lesser 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.
*/
#ifndef _DVB_FILTER_H_
#define _DVB_FILTER_H_
#include <linux/slab.h>
#include "demux.h"
typedef int (dvb_filter_pes2ts_cb_t) (void *, unsigned char *);
struct dvb_filter_pes2ts {
unsigned char buf[188];
unsigned char cc;
dvb_filter_pes2ts_cb_t *cb;
void *priv;
};
void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts, unsigned short pid,
dvb_filter_pes2ts_cb_t *cb, void *priv);
int dvb_filter_pes2ts(struct dvb_filter_pes2ts *p2ts, unsigned char *pes,
int len, int payload_start);
#define PROG_STREAM_MAP 0xBC
#define PRIVATE_STREAM1 0xBD
#define PADDING_STREAM 0xBE
#define PRIVATE_STREAM2 0xBF
#define AUDIO_STREAM_S 0xC0
#define AUDIO_STREAM_E 0xDF
#define VIDEO_STREAM_S 0xE0
#define VIDEO_STREAM_E 0xEF
#define ECM_STREAM 0xF0
#define EMM_STREAM 0xF1
#define DSM_CC_STREAM 0xF2
#define ISO13522_STREAM 0xF3
#define PROG_STREAM_DIR 0xFF
#define DVB_PICTURE_START 0x00
#define DVB_USER_START 0xb2
#define DVB_SEQUENCE_HEADER 0xb3
#define DVB_SEQUENCE_ERROR 0xb4
#define DVB_EXTENSION_START 0xb5
#define DVB_SEQUENCE_END 0xb7
#define DVB_GOP_START 0xb8
#define DVB_EXCEPT_SLICE 0xb0
#define SEQUENCE_EXTENSION 0x01
#define SEQUENCE_DISPLAY_EXTENSION 0x02
#define PICTURE_CODING_EXTENSION 0x08
#define QUANT_MATRIX_EXTENSION 0x03
#define PICTURE_DISPLAY_EXTENSION 0x07
#define I_FRAME 0x01
#define B_FRAME 0x02
#define P_FRAME 0x03
/* Initialize sequence_data */
#define INIT_HORIZONTAL_SIZE 720
#define INIT_VERTICAL_SIZE 576
#define INIT_ASPECT_RATIO 0x02
#define INIT_FRAME_RATE 0x03
#define INIT_DISP_HORIZONTAL_SIZE 540
#define INIT_DISP_VERTICAL_SIZE 576
//flags2
#define PTS_DTS_FLAGS 0xC0
#define ESCR_FLAG 0x20
#define ES_RATE_FLAG 0x10
#define DSM_TRICK_FLAG 0x08
#define ADD_CPY_FLAG 0x04
#define PES_CRC_FLAG 0x02
#define PES_EXT_FLAG 0x01
//pts_dts flags
#define PTS_ONLY 0x80
#define PTS_DTS 0xC0
#define TS_SIZE 188
#define TRANS_ERROR 0x80
#define PAY_START 0x40
#define TRANS_PRIO 0x20
#define PID_MASK_HI 0x1F
//flags
#define TRANS_SCRMBL1 0x80
#define TRANS_SCRMBL2 0x40
#define ADAPT_FIELD 0x20
#define PAYLOAD 0x10
#define COUNT_MASK 0x0F
// adaptation flags
#define DISCON_IND 0x80
#define RAND_ACC_IND 0x40
#define ES_PRI_IND 0x20
#define PCR_FLAG 0x10
#define OPCR_FLAG 0x08
#define SPLICE_FLAG 0x04
#define TRANS_PRIV 0x02
#define ADAP_EXT_FLAG 0x01
// adaptation extension flags
#define LTW_FLAG 0x80
#define PIECE_RATE 0x40
#define SEAM_SPLICE 0x20
#define MAX_PLENGTH 0xFFFF
#define MMAX_PLENGTH (256*MAX_PLENGTH)
#ifndef IPACKS
#define IPACKS 2048
#endif
struct ipack {
int size;
int found;
u8 *buf;
u8 cid;
u32 plength;
u8 plen[2];
u8 flag1;
u8 flag2;
u8 hlength;
u8 pts[5];
u16 *pid;
int mpeg;
u8 check;
int which;
int done;
void *data;
void (*func)(u8 *buf, int size, void *priv);
int count;
int repack_subids;
};
struct dvb_video_info {
u32 horizontal_size;
u32 vertical_size;
u32 aspect_ratio;
u32 framerate;
u32 video_format;
u32 bit_rate;
u32 comp_bit_rate;
u32 vbv_buffer_size;
s16 vbv_delay;
u32 CSPF;
u32 off;
};
#define OFF_SIZE 4
#define FIRST_FIELD 0
#define SECOND_FIELD 1
#define VIDEO_FRAME_PICTURE 0x03
struct mpg_picture {
int channel;
struct dvb_video_info vinfo;
u32 *sequence_gop_header;
u32 *picture_header;
s32 time_code;
int low_delay;
int closed_gop;
int broken_link;
int sequence_header_flag;
int gop_flag;
int sequence_end_flag;
u8 profile_and_level;
s32 picture_coding_parameter;
u32 matrix[32];
s8 matrix_change_flag;
u8 picture_header_parameter;
/* bit 0 - 2: bwd f code
bit 3 : fpb vector
bit 4 - 6: fwd f code
bit 7 : fpf vector */
int mpeg1_flag;
int progressive_sequence;
int sequence_display_extension_flag;
u32 sequence_header_data;
s16 last_frame_centre_horizontal_offset;
s16 last_frame_centre_vertical_offset;
u32 pts[2]; /* [0] 1st field, [1] 2nd field */
int top_field_first;
int repeat_first_field;
int progressive_frame;
int bank;
int forward_bank;
int backward_bank;
int compress;
s16 frame_centre_horizontal_offset[OFF_SIZE];
/* [0-2] 1st field, [3] 2nd field */
s16 frame_centre_vertical_offset[OFF_SIZE];
/* [0-2] 1st field, [3] 2nd field */
s16 temporal_reference[2];
/* [0] 1st field, [1] 2nd field */
s8 picture_coding_type[2];
/* [0] 1st field, [1] 2nd field */
s8 picture_structure[2];
/* [0] 1st field, [1] 2nd field */
s8 picture_display_extension_flag[2];
/* [0] 1st field, [1] 2nd field */
/* picture_display_extenion() 0:no 1:exit*/
s8 pts_flag[2];
/* [0] 1st field, [1] 2nd field */
};
struct dvb_audio_info {
int layer;
u32 bit_rate;
u32 frequency;
u32 mode;
u32 mode_extension ;
u32 emphasis;
u32 framesize;
u32 off;
};
int dvb_filter_get_ac3info(u8 *mbuf, int count, struct dvb_audio_info *ai, int pr);
#endif
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