Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * dvb_filter.h |
| 3 | * |
| 4 | * Copyright (C) 2003 Convergence GmbH |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public License |
| 8 | * as published by the Free Software Foundation; either version 2.1 |
| 9 | * of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 | */ |
| 20 | |
| 21 | #ifndef _DVB_FILTER_H_ |
| 22 | #define _DVB_FILTER_H_ |
| 23 | |
| 24 | #include <linux/slab.h> |
| 25 | |
| 26 | #include "demux.h" |
| 27 | |
| 28 | typedef int (dvb_filter_pes2ts_cb_t) (void *, unsigned char *); |
| 29 | |
| 30 | struct dvb_filter_pes2ts { |
| 31 | unsigned char buf[188]; |
| 32 | unsigned char cc; |
| 33 | dvb_filter_pes2ts_cb_t *cb; |
| 34 | void *priv; |
| 35 | }; |
| 36 | |
| 37 | void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts, unsigned short pid, |
| 38 | dvb_filter_pes2ts_cb_t *cb, void *priv); |
| 39 | |
| 40 | int dvb_filter_pes2ts(struct dvb_filter_pes2ts *p2ts, unsigned char *pes, |
| 41 | int len, int payload_start); |
| 42 | |
| 43 | |
| 44 | #define PROG_STREAM_MAP 0xBC |
| 45 | #define PRIVATE_STREAM1 0xBD |
| 46 | #define PADDING_STREAM 0xBE |
| 47 | #define PRIVATE_STREAM2 0xBF |
| 48 | #define AUDIO_STREAM_S 0xC0 |
| 49 | #define AUDIO_STREAM_E 0xDF |
| 50 | #define VIDEO_STREAM_S 0xE0 |
| 51 | #define VIDEO_STREAM_E 0xEF |
| 52 | #define ECM_STREAM 0xF0 |
| 53 | #define EMM_STREAM 0xF1 |
| 54 | #define DSM_CC_STREAM 0xF2 |
| 55 | #define ISO13522_STREAM 0xF3 |
| 56 | #define PROG_STREAM_DIR 0xFF |
| 57 | |
| 58 | #define DVB_PICTURE_START 0x00 |
| 59 | #define DVB_USER_START 0xb2 |
| 60 | #define DVB_SEQUENCE_HEADER 0xb3 |
| 61 | #define DVB_SEQUENCE_ERROR 0xb4 |
| 62 | #define DVB_EXTENSION_START 0xb5 |
| 63 | #define DVB_SEQUENCE_END 0xb7 |
| 64 | #define DVB_GOP_START 0xb8 |
| 65 | #define DVB_EXCEPT_SLICE 0xb0 |
| 66 | |
| 67 | #define SEQUENCE_EXTENSION 0x01 |
| 68 | #define SEQUENCE_DISPLAY_EXTENSION 0x02 |
| 69 | #define PICTURE_CODING_EXTENSION 0x08 |
| 70 | #define QUANT_MATRIX_EXTENSION 0x03 |
| 71 | #define PICTURE_DISPLAY_EXTENSION 0x07 |
| 72 | |
| 73 | #define I_FRAME 0x01 |
| 74 | #define B_FRAME 0x02 |
| 75 | #define P_FRAME 0x03 |
| 76 | |
| 77 | /* Initialize sequence_data */ |
| 78 | #define INIT_HORIZONTAL_SIZE 720 |
| 79 | #define INIT_VERTICAL_SIZE 576 |
| 80 | #define INIT_ASPECT_RATIO 0x02 |
| 81 | #define INIT_FRAME_RATE 0x03 |
| 82 | #define INIT_DISP_HORIZONTAL_SIZE 540 |
| 83 | #define INIT_DISP_VERTICAL_SIZE 576 |
| 84 | |
| 85 | |
| 86 | //flags2 |
| 87 | #define PTS_DTS_FLAGS 0xC0 |
| 88 | #define ESCR_FLAG 0x20 |
| 89 | #define ES_RATE_FLAG 0x10 |
| 90 | #define DSM_TRICK_FLAG 0x08 |
| 91 | #define ADD_CPY_FLAG 0x04 |
| 92 | #define PES_CRC_FLAG 0x02 |
| 93 | #define PES_EXT_FLAG 0x01 |
| 94 | |
| 95 | //pts_dts flags |
| 96 | #define PTS_ONLY 0x80 |
| 97 | #define PTS_DTS 0xC0 |
| 98 | |
| 99 | #define TS_SIZE 188 |
| 100 | #define TRANS_ERROR 0x80 |
| 101 | #define PAY_START 0x40 |
| 102 | #define TRANS_PRIO 0x20 |
| 103 | #define PID_MASK_HI 0x1F |
| 104 | //flags |
| 105 | #define TRANS_SCRMBL1 0x80 |
| 106 | #define TRANS_SCRMBL2 0x40 |
| 107 | #define ADAPT_FIELD 0x20 |
| 108 | #define PAYLOAD 0x10 |
| 109 | #define COUNT_MASK 0x0F |
| 110 | |
| 111 | // adaptation flags |
| 112 | #define DISCON_IND 0x80 |
| 113 | #define RAND_ACC_IND 0x40 |
| 114 | #define ES_PRI_IND 0x20 |
| 115 | #define PCR_FLAG 0x10 |
| 116 | #define OPCR_FLAG 0x08 |
| 117 | #define SPLICE_FLAG 0x04 |
| 118 | #define TRANS_PRIV 0x02 |
| 119 | #define ADAP_EXT_FLAG 0x01 |
| 120 | |
| 121 | // adaptation extension flags |
| 122 | #define LTW_FLAG 0x80 |
| 123 | #define PIECE_RATE 0x40 |
| 124 | #define SEAM_SPLICE 0x20 |
| 125 | |
| 126 | |
| 127 | #define MAX_PLENGTH 0xFFFF |
| 128 | #define MMAX_PLENGTH (256*MAX_PLENGTH) |
| 129 | |
| 130 | #ifndef IPACKS |
| 131 | #define IPACKS 2048 |
| 132 | #endif |
| 133 | |
| 134 | struct ipack { |
| 135 | int size; |
| 136 | int found; |
| 137 | u8 *buf; |
| 138 | u8 cid; |
| 139 | u32 plength; |
| 140 | u8 plen[2]; |
| 141 | u8 flag1; |
| 142 | u8 flag2; |
| 143 | u8 hlength; |
| 144 | u8 pts[5]; |
| 145 | u16 *pid; |
| 146 | int mpeg; |
| 147 | u8 check; |
| 148 | int which; |
| 149 | int done; |
| 150 | void *data; |
| 151 | void (*func)(u8 *buf, int size, void *priv); |
| 152 | int count; |
| 153 | int repack_subids; |
| 154 | }; |
| 155 | |
| 156 | struct dvb_video_info { |
| 157 | u32 horizontal_size; |
| 158 | u32 vertical_size; |
| 159 | u32 aspect_ratio; |
| 160 | u32 framerate; |
| 161 | u32 video_format; |
| 162 | u32 bit_rate; |
| 163 | u32 comp_bit_rate; |
| 164 | u32 vbv_buffer_size; |
| 165 | s16 vbv_delay; |
| 166 | u32 CSPF; |
| 167 | u32 off; |
| 168 | }; |
| 169 | |
| 170 | #define OFF_SIZE 4 |
| 171 | #define FIRST_FIELD 0 |
| 172 | #define SECOND_FIELD 1 |
| 173 | #define VIDEO_FRAME_PICTURE 0x03 |
| 174 | |
| 175 | struct mpg_picture { |
| 176 | int channel; |
| 177 | struct dvb_video_info vinfo; |
| 178 | u32 *sequence_gop_header; |
| 179 | u32 *picture_header; |
| 180 | s32 time_code; |
| 181 | int low_delay; |
| 182 | int closed_gop; |
| 183 | int broken_link; |
| 184 | int sequence_header_flag; |
| 185 | int gop_flag; |
| 186 | int sequence_end_flag; |
| 187 | |
| 188 | u8 profile_and_level; |
| 189 | s32 picture_coding_parameter; |
| 190 | u32 matrix[32]; |
| 191 | s8 matrix_change_flag; |
| 192 | |
| 193 | u8 picture_header_parameter; |
| 194 | /* bit 0 - 2: bwd f code |
| 195 | bit 3 : fpb vector |
| 196 | bit 4 - 6: fwd f code |
| 197 | bit 7 : fpf vector */ |
| 198 | |
| 199 | int mpeg1_flag; |
| 200 | int progressive_sequence; |
| 201 | int sequence_display_extension_flag; |
| 202 | u32 sequence_header_data; |
| 203 | s16 last_frame_centre_horizontal_offset; |
| 204 | s16 last_frame_centre_vertical_offset; |
| 205 | |
| 206 | u32 pts[2]; /* [0] 1st field, [1] 2nd field */ |
| 207 | int top_field_first; |
| 208 | int repeat_first_field; |
| 209 | int progressive_frame; |
| 210 | int bank; |
| 211 | int forward_bank; |
| 212 | int backward_bank; |
| 213 | int compress; |
| 214 | s16 frame_centre_horizontal_offset[OFF_SIZE]; |
| 215 | /* [0-2] 1st field, [3] 2nd field */ |
| 216 | s16 frame_centre_vertical_offset[OFF_SIZE]; |
| 217 | /* [0-2] 1st field, [3] 2nd field */ |
| 218 | s16 temporal_reference[2]; |
| 219 | /* [0] 1st field, [1] 2nd field */ |
| 220 | |
| 221 | s8 picture_coding_type[2]; |
| 222 | /* [0] 1st field, [1] 2nd field */ |
| 223 | s8 picture_structure[2]; |
| 224 | /* [0] 1st field, [1] 2nd field */ |
| 225 | s8 picture_display_extension_flag[2]; |
| 226 | /* [0] 1st field, [1] 2nd field */ |
| 227 | /* picture_display_extenion() 0:no 1:exit*/ |
| 228 | s8 pts_flag[2]; |
| 229 | /* [0] 1st field, [1] 2nd field */ |
| 230 | }; |
| 231 | |
| 232 | struct dvb_audio_info { |
| 233 | int layer; |
| 234 | u32 bit_rate; |
| 235 | u32 frequency; |
| 236 | u32 mode; |
| 237 | u32 mode_extension ; |
| 238 | u32 emphasis; |
| 239 | u32 framesize; |
| 240 | u32 off; |
| 241 | }; |
| 242 | |
| 243 | int dvb_filter_get_ac3info(u8 *mbuf, int count, struct dvb_audio_info *ai, int pr); |
| 244 | |
| 245 | |
| 246 | #endif |