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1da177e4 LT |
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. | |
1da177e4 LT |
15 | */ |
16 | ||
17 | #ifndef _DVB_FILTER_H_ | |
18 | #define _DVB_FILTER_H_ | |
19 | ||
20 | #include <linux/slab.h> | |
21 | ||
22 | #include "demux.h" | |
23 | ||
24 | typedef int (dvb_filter_pes2ts_cb_t) (void *, unsigned char *); | |
25 | ||
26 | struct dvb_filter_pes2ts { | |
27 | unsigned char buf[188]; | |
afd1a0c9 MCC |
28 | unsigned char cc; |
29 | dvb_filter_pes2ts_cb_t *cb; | |
1da177e4 LT |
30 | void *priv; |
31 | }; | |
32 | ||
33 | void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts, unsigned short pid, | |
34 | dvb_filter_pes2ts_cb_t *cb, void *priv); | |
35 | ||
36 | int dvb_filter_pes2ts(struct dvb_filter_pes2ts *p2ts, unsigned char *pes, | |
37 | int len, int payload_start); | |
38 | ||
39 | ||
40 | #define PROG_STREAM_MAP 0xBC | |
41 | #define PRIVATE_STREAM1 0xBD | |
42 | #define PADDING_STREAM 0xBE | |
43 | #define PRIVATE_STREAM2 0xBF | |
44 | #define AUDIO_STREAM_S 0xC0 | |
45 | #define AUDIO_STREAM_E 0xDF | |
46 | #define VIDEO_STREAM_S 0xE0 | |
47 | #define VIDEO_STREAM_E 0xEF | |
48 | #define ECM_STREAM 0xF0 | |
49 | #define EMM_STREAM 0xF1 | |
50 | #define DSM_CC_STREAM 0xF2 | |
51 | #define ISO13522_STREAM 0xF3 | |
52 | #define PROG_STREAM_DIR 0xFF | |
53 | ||
54 | #define DVB_PICTURE_START 0x00 | |
55 | #define DVB_USER_START 0xb2 | |
56 | #define DVB_SEQUENCE_HEADER 0xb3 | |
57 | #define DVB_SEQUENCE_ERROR 0xb4 | |
58 | #define DVB_EXTENSION_START 0xb5 | |
59 | #define DVB_SEQUENCE_END 0xb7 | |
60 | #define DVB_GOP_START 0xb8 | |
61 | #define DVB_EXCEPT_SLICE 0xb0 | |
62 | ||
63 | #define SEQUENCE_EXTENSION 0x01 | |
64 | #define SEQUENCE_DISPLAY_EXTENSION 0x02 | |
65 | #define PICTURE_CODING_EXTENSION 0x08 | |
66 | #define QUANT_MATRIX_EXTENSION 0x03 | |
67 | #define PICTURE_DISPLAY_EXTENSION 0x07 | |
68 | ||
69 | #define I_FRAME 0x01 | |
70 | #define B_FRAME 0x02 | |
71 | #define P_FRAME 0x03 | |
72 | ||
73 | /* Initialize sequence_data */ | |
74 | #define INIT_HORIZONTAL_SIZE 720 | |
75 | #define INIT_VERTICAL_SIZE 576 | |
76 | #define INIT_ASPECT_RATIO 0x02 | |
77 | #define INIT_FRAME_RATE 0x03 | |
78 | #define INIT_DISP_HORIZONTAL_SIZE 540 | |
79 | #define INIT_DISP_VERTICAL_SIZE 576 | |
80 | ||
81 | ||
82 | //flags2 | |
83 | #define PTS_DTS_FLAGS 0xC0 | |
84 | #define ESCR_FLAG 0x20 | |
85 | #define ES_RATE_FLAG 0x10 | |
86 | #define DSM_TRICK_FLAG 0x08 | |
87 | #define ADD_CPY_FLAG 0x04 | |
88 | #define PES_CRC_FLAG 0x02 | |
89 | #define PES_EXT_FLAG 0x01 | |
90 | ||
91 | //pts_dts flags | |
92 | #define PTS_ONLY 0x80 | |
93 | #define PTS_DTS 0xC0 | |
94 | ||
95 | #define TS_SIZE 188 | |
96 | #define TRANS_ERROR 0x80 | |
97 | #define PAY_START 0x40 | |
98 | #define TRANS_PRIO 0x20 | |
99 | #define PID_MASK_HI 0x1F | |
100 | //flags | |
101 | #define TRANS_SCRMBL1 0x80 | |
102 | #define TRANS_SCRMBL2 0x40 | |
103 | #define ADAPT_FIELD 0x20 | |
104 | #define PAYLOAD 0x10 | |
105 | #define COUNT_MASK 0x0F | |
106 | ||
107 | // adaptation flags | |
108 | #define DISCON_IND 0x80 | |
109 | #define RAND_ACC_IND 0x40 | |
110 | #define ES_PRI_IND 0x20 | |
111 | #define PCR_FLAG 0x10 | |
112 | #define OPCR_FLAG 0x08 | |
113 | #define SPLICE_FLAG 0x04 | |
114 | #define TRANS_PRIV 0x02 | |
115 | #define ADAP_EXT_FLAG 0x01 | |
116 | ||
117 | // adaptation extension flags | |
118 | #define LTW_FLAG 0x80 | |
119 | #define PIECE_RATE 0x40 | |
120 | #define SEAM_SPLICE 0x20 | |
121 | ||
122 | ||
123 | #define MAX_PLENGTH 0xFFFF | |
124 | #define MMAX_PLENGTH (256*MAX_PLENGTH) | |
125 | ||
126 | #ifndef IPACKS | |
127 | #define IPACKS 2048 | |
128 | #endif | |
129 | ||
130 | struct ipack { | |
131 | int size; | |
132 | int found; | |
133 | u8 *buf; | |
134 | u8 cid; | |
135 | u32 plength; | |
136 | u8 plen[2]; | |
137 | u8 flag1; | |
138 | u8 flag2; | |
139 | u8 hlength; | |
140 | u8 pts[5]; | |
141 | u16 *pid; | |
142 | int mpeg; | |
143 | u8 check; | |
144 | int which; | |
145 | int done; | |
146 | void *data; | |
147 | void (*func)(u8 *buf, int size, void *priv); | |
148 | int count; | |
149 | int repack_subids; | |
150 | }; | |
151 | ||
152 | struct dvb_video_info { | |
153 | u32 horizontal_size; | |
154 | u32 vertical_size; | |
155 | u32 aspect_ratio; | |
156 | u32 framerate; | |
157 | u32 video_format; | |
158 | u32 bit_rate; | |
159 | u32 comp_bit_rate; | |
160 | u32 vbv_buffer_size; | |
afd1a0c9 | 161 | s16 vbv_delay; |
1da177e4 LT |
162 | u32 CSPF; |
163 | u32 off; | |
164 | }; | |
165 | ||
166 | #define OFF_SIZE 4 | |
167 | #define FIRST_FIELD 0 | |
168 | #define SECOND_FIELD 1 | |
169 | #define VIDEO_FRAME_PICTURE 0x03 | |
170 | ||
171 | struct mpg_picture { | |
afd1a0c9 | 172 | int channel; |
1da177e4 | 173 | struct dvb_video_info vinfo; |
afd1a0c9 MCC |
174 | u32 *sequence_gop_header; |
175 | u32 *picture_header; | |
176 | s32 time_code; | |
177 | int low_delay; | |
178 | int closed_gop; | |
179 | int broken_link; | |
180 | int sequence_header_flag; | |
181 | int gop_flag; | |
182 | int sequence_end_flag; | |
183 | ||
184 | u8 profile_and_level; | |
185 | s32 picture_coding_parameter; | |
186 | u32 matrix[32]; | |
187 | s8 matrix_change_flag; | |
188 | ||
189 | u8 picture_header_parameter; | |
1da177e4 LT |
190 | /* bit 0 - 2: bwd f code |
191 | bit 3 : fpb vector | |
192 | bit 4 - 6: fwd f code | |
193 | bit 7 : fpf vector */ | |
194 | ||
afd1a0c9 MCC |
195 | int mpeg1_flag; |
196 | int progressive_sequence; | |
197 | int sequence_display_extension_flag; | |
198 | u32 sequence_header_data; | |
199 | s16 last_frame_centre_horizontal_offset; | |
200 | s16 last_frame_centre_vertical_offset; | |
201 | ||
202 | u32 pts[2]; /* [0] 1st field, [1] 2nd field */ | |
203 | int top_field_first; | |
204 | int repeat_first_field; | |
205 | int progressive_frame; | |
206 | int bank; | |
207 | int forward_bank; | |
208 | int backward_bank; | |
209 | int compress; | |
210 | s16 frame_centre_horizontal_offset[OFF_SIZE]; | |
211 | /* [0-2] 1st field, [3] 2nd field */ | |
212 | s16 frame_centre_vertical_offset[OFF_SIZE]; | |
213 | /* [0-2] 1st field, [3] 2nd field */ | |
214 | s16 temporal_reference[2]; | |
215 | /* [0] 1st field, [1] 2nd field */ | |
216 | ||
217 | s8 picture_coding_type[2]; | |
218 | /* [0] 1st field, [1] 2nd field */ | |
219 | s8 picture_structure[2]; | |
220 | /* [0] 1st field, [1] 2nd field */ | |
221 | s8 picture_display_extension_flag[2]; | |
222 | /* [0] 1st field, [1] 2nd field */ | |
223 | /* picture_display_extenion() 0:no 1:exit*/ | |
224 | s8 pts_flag[2]; | |
225 | /* [0] 1st field, [1] 2nd field */ | |
1da177e4 LT |
226 | }; |
227 | ||
228 | struct dvb_audio_info { | |
229 | int layer; | |
230 | u32 bit_rate; | |
231 | u32 frequency; | |
232 | u32 mode; | |
233 | u32 mode_extension ; | |
234 | u32 emphasis; | |
235 | u32 framesize; | |
236 | u32 off; | |
237 | }; | |
238 | ||
239 | int dvb_filter_get_ac3info(u8 *mbuf, int count, struct dvb_audio_info *ai, int pr); | |
240 | ||
241 | ||
242 | #endif |