/*
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* dvb_filter.h
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*
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* Copyright (C) 2003 Convergence GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _DVB_FILTER_H_
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#define _DVB_FILTER_H_
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#include <linux/slab.h>
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#include <media/demux.h>
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typedef int (dvb_filter_pes2ts_cb_t) (void *, unsigned char *);
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struct dvb_filter_pes2ts {
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unsigned char buf[188];
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unsigned char cc;
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dvb_filter_pes2ts_cb_t *cb;
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void *priv;
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};
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void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts, unsigned short pid,
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dvb_filter_pes2ts_cb_t *cb, void *priv);
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int dvb_filter_pes2ts(struct dvb_filter_pes2ts *p2ts, unsigned char *pes,
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int len, int payload_start);
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#define PROG_STREAM_MAP 0xBC
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#define PRIVATE_STREAM1 0xBD
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#define PADDING_STREAM 0xBE
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#define PRIVATE_STREAM2 0xBF
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#define AUDIO_STREAM_S 0xC0
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#define AUDIO_STREAM_E 0xDF
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#define VIDEO_STREAM_S 0xE0
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#define VIDEO_STREAM_E 0xEF
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#define ECM_STREAM 0xF0
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#define EMM_STREAM 0xF1
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#define DSM_CC_STREAM 0xF2
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#define ISO13522_STREAM 0xF3
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#define PROG_STREAM_DIR 0xFF
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#define DVB_PICTURE_START 0x00
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#define DVB_USER_START 0xb2
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#define DVB_SEQUENCE_HEADER 0xb3
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#define DVB_SEQUENCE_ERROR 0xb4
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#define DVB_EXTENSION_START 0xb5
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#define DVB_SEQUENCE_END 0xb7
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#define DVB_GOP_START 0xb8
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#define DVB_EXCEPT_SLICE 0xb0
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#define SEQUENCE_EXTENSION 0x01
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#define SEQUENCE_DISPLAY_EXTENSION 0x02
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#define PICTURE_CODING_EXTENSION 0x08
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#define QUANT_MATRIX_EXTENSION 0x03
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#define PICTURE_DISPLAY_EXTENSION 0x07
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#define I_FRAME 0x01
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#define B_FRAME 0x02
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#define P_FRAME 0x03
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/* Initialize sequence_data */
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#define INIT_HORIZONTAL_SIZE 720
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#define INIT_VERTICAL_SIZE 576
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#define INIT_ASPECT_RATIO 0x02
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#define INIT_FRAME_RATE 0x03
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#define INIT_DISP_HORIZONTAL_SIZE 540
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#define INIT_DISP_VERTICAL_SIZE 576
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//flags2
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#define PTS_DTS_FLAGS 0xC0
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#define ESCR_FLAG 0x20
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#define ES_RATE_FLAG 0x10
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#define DSM_TRICK_FLAG 0x08
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#define ADD_CPY_FLAG 0x04
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#define PES_CRC_FLAG 0x02
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#define PES_EXT_FLAG 0x01
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//pts_dts flags
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#define PTS_ONLY 0x80
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#define PTS_DTS 0xC0
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#define TS_SIZE 188
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#define TRANS_ERROR 0x80
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#define PAY_START 0x40
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#define TRANS_PRIO 0x20
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#define PID_MASK_HI 0x1F
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//flags
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#define TRANS_SCRMBL1 0x80
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#define TRANS_SCRMBL2 0x40
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#define ADAPT_FIELD 0x20
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#define PAYLOAD 0x10
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#define COUNT_MASK 0x0F
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// adaptation flags
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#define DISCON_IND 0x80
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#define RAND_ACC_IND 0x40
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#define ES_PRI_IND 0x20
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#define PCR_FLAG 0x10
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#define OPCR_FLAG 0x08
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#define SPLICE_FLAG 0x04
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#define TRANS_PRIV 0x02
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#define ADAP_EXT_FLAG 0x01
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// adaptation extension flags
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#define LTW_FLAG 0x80
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#define PIECE_RATE 0x40
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#define SEAM_SPLICE 0x20
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#define MAX_PLENGTH 0xFFFF
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#define MMAX_PLENGTH (256*MAX_PLENGTH)
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#ifndef IPACKS
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#define IPACKS 2048
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#endif
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struct ipack {
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int size;
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int found;
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u8 *buf;
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u8 cid;
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u32 plength;
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u8 plen[2];
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u8 flag1;
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u8 flag2;
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u8 hlength;
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u8 pts[5];
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u16 *pid;
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int mpeg;
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u8 check;
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int which;
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int done;
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void *data;
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void (*func)(u8 *buf, int size, void *priv);
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int count;
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int repack_subids;
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};
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struct dvb_video_info {
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u32 horizontal_size;
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u32 vertical_size;
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u32 aspect_ratio;
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u32 framerate;
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u32 video_format;
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u32 bit_rate;
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u32 comp_bit_rate;
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u32 vbv_buffer_size;
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s16 vbv_delay;
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u32 CSPF;
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u32 off;
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};
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#define OFF_SIZE 4
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#define FIRST_FIELD 0
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#define SECOND_FIELD 1
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#define VIDEO_FRAME_PICTURE 0x03
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struct mpg_picture {
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int channel;
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struct dvb_video_info vinfo;
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u32 *sequence_gop_header;
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u32 *picture_header;
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s32 time_code;
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int low_delay;
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int closed_gop;
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int broken_link;
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int sequence_header_flag;
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int gop_flag;
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int sequence_end_flag;
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u8 profile_and_level;
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s32 picture_coding_parameter;
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u32 matrix[32];
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s8 matrix_change_flag;
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u8 picture_header_parameter;
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/* bit 0 - 2: bwd f code
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bit 3 : fpb vector
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bit 4 - 6: fwd f code
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bit 7 : fpf vector */
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int mpeg1_flag;
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int progressive_sequence;
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int sequence_display_extension_flag;
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u32 sequence_header_data;
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s16 last_frame_centre_horizontal_offset;
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s16 last_frame_centre_vertical_offset;
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u32 pts[2]; /* [0] 1st field, [1] 2nd field */
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int top_field_first;
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int repeat_first_field;
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int progressive_frame;
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int bank;
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int forward_bank;
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int backward_bank;
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int compress;
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s16 frame_centre_horizontal_offset[OFF_SIZE];
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/* [0-2] 1st field, [3] 2nd field */
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s16 frame_centre_vertical_offset[OFF_SIZE];
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/* [0-2] 1st field, [3] 2nd field */
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s16 temporal_reference[2];
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/* [0] 1st field, [1] 2nd field */
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s8 picture_coding_type[2];
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/* [0] 1st field, [1] 2nd field */
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s8 picture_structure[2];
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/* [0] 1st field, [1] 2nd field */
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s8 picture_display_extension_flag[2];
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/* [0] 1st field, [1] 2nd field */
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/* picture_display_extenion() 0:no 1:exit*/
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s8 pts_flag[2];
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/* [0] 1st field, [1] 2nd field */
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};
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struct dvb_audio_info {
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int layer;
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u32 bit_rate;
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u32 frequency;
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u32 mode;
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u32 mode_extension ;
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u32 emphasis;
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u32 framesize;
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u32 off;
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};
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int dvb_filter_get_ac3info(u8 *mbuf, int count, struct dvb_audio_info *ai, int pr);
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#endif
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