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
17#ifndef _DVB_FILTER_H_
18#define _DVB_FILTER_H_
19
20#include <linux/slab.h>
21
22#include <media/demux.h>
23
24typedef int (dvb_filter_pes2ts_cb_t) (void *, unsigned char *);
25
26struct dvb_filter_pes2ts {
27 unsigned char buf[188];
28 unsigned char cc;
29 dvb_filter_pes2ts_cb_t *cb;
30 void *priv;
31};
32
33void dvb_filter_pes2ts_init(struct dvb_filter_pes2ts *p2ts, unsigned short pid,
34 dvb_filter_pes2ts_cb_t *cb, void *priv);
35
36int 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
130struct 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
152struct 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;
161 s16 vbv_delay;
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
171struct mpg_picture {
172 int channel;
173 struct dvb_video_info vinfo;
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;
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
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 */
226};
227
228struct 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
239int dvb_filter_get_ac3info(u8 *mbuf, int count, struct dvb_audio_info *ai, int pr);
240
241
242#endif
243

source code of linux/drivers/staging/media/av7110/dvb_filter.h