xine-lib: xine-lib-1.2.13/src/video_dec/libmpeg2/mpeg2_internal.h Source File

xine-lib 1.2.13-20230125hg15249

mpeg2_internal.h
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1/*
2 * mpeg2_internal.h
3 * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
4 * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
5 *
6 * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
7 * See http://libmpeg2.sourceforge.net/ for updates.
8 *
9 * mpeg2dec is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * mpeg2dec is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
22 */
23
24#ifndef MPEG2_INTERNAL_H
25#define MPEG2_INTERNAL_H
26
27#include <xine/video_out.h>
28#include "accel_xvmc.h"
29
30#ifdef ENABLE_ALTIVEC
31#include <altivec.h>
32#endif
33
34/* macroblock modes */
35#define MACROBLOCK_INTRA XINE_MACROBLOCK_INTRA
36#define MACROBLOCK_PATTERN XINE_MACROBLOCK_PATTERN
37#define MACROBLOCK_MOTION_BACKWARD XINE_MACROBLOCK_MOTION_BACKWARD
38#define MACROBLOCK_MOTION_FORWARD XINE_MACROBLOCK_MOTION_FORWARD
39#define MACROBLOCK_QUANT XINE_MACROBLOCK_QUANT
40#define DCT_TYPE_INTERLACED XINE_MACROBLOCK_DCT_TYPE_INTERLACED
41
42/* motion_type */
43#define MOTION_TYPE_MASK (3*64)
44#define MOTION_TYPE_BASE 64
45#define MC_FIELD (1*64)
46#define MC_FRAME (2*64)
47#define MC_16X8 (2*64)
48#define MC_DMV (3*64)
49
50/* picture structure */
51#define TOP_FIELD VO_TOP_FIELD
52#define BOTTOM_FIELD VO_BOTTOM_FIELD
53#define FRAME_PICTURE VO_BOTH_FIELDS
54
55/* picture coding type (mpeg2 header) */
56#define I_TYPE 1
57#define P_TYPE 2
58#define B_TYPE 3
59#define D_TYPE 4
60
61 typedef struct motion_s {
62 uint8_t * ref[2][3];
63 uint8_t ** ref2[2];
64 int pmv[2][2];
65 int f_code[2];
66} motion_t;
67
68 typedef struct picture_s {
69 /* first, state that carries information from one macroblock to the */
70 /* next inside a slice, and is never used outside of mpeg2_slice() */
71
72 /* DCT coefficients - should be kept aligned ! */
73 int16_t DCTblock[64];
74
75 /* XvMC DCT block and macroblock data for XvMC acceleration */
76 xine_macroblocks_t *mc;
77 int XvMC_mb_type;
78 int XvMC_mv_field_sel[2][2];
79 int XvMC_x;
80 int XvMC_y;
81 int XvMC_motion_type;
82 int XvMC_dmvector[2];
83 int XvMC_cbp;
84 int XvMC_dct_type;
85
86 /* bit parsing stuff */
87 uint32_t bitstream_buf; /* current 32 bit working set of buffer */
88 int bitstream_bits; /* used bits in working set */
89 uint8_t * bitstream_ptr; /* buffer with stream data */
90
91 uint8_t * dest[3];
92 int pitches[3];
93 int offset;
94 unsigned int limit_x;
95 unsigned int limit_y_16;
96 unsigned int limit_y_8;
97 unsigned int limit_y;
98
99 /* Motion vectors */
100 /* The f_ and b_ correspond to the forward and backward motion */
101 /* predictors */
102 motion_t b_motion;
103 motion_t f_motion;
104
105 /* predictor for DC coefficients in intra blocks */
106 int16_t dc_dct_pred[3];
107
108 int quantizer_scale; /* remove */
109 int current_field; /* remove */
110 int dmv_offset; /* remove */
111 unsigned int v_offset; /* remove */
112
113
114 /* now non-slice-specific information */
115
116 /* sequence header stuff */
117 uint8_t intra_quantizer_matrix [64];
118 uint8_t non_intra_quantizer_matrix [64];
119 int load_intra_quantizer_matrix;
120 int load_non_intra_quantizer_matrix;
121
122 /* The width and height of the picture snapped to macroblock units */
123 int coded_picture_width;
124 int coded_picture_height;
125
126 /* The width and height as it appears on header sequence */
127 unsigned int display_width, display_height;
128
129 /* picture header stuff */
130
131 /* what type of picture this is (I, P, B, D) */
132 int picture_coding_type;
133
134 int vbv_delay;
135 int low_delay;
136
137 /* picture coding extension stuff */
138
139 /* quantization factor for intra dc coefficients */
140 int intra_dc_precision;
141 /* top/bottom/both fields */
142 int picture_structure;
143 /* bool to indicate all predictions are frame based */
144 int frame_pred_frame_dct;
145 /* bool to indicate whether intra blocks have motion vectors */
146 /* (for concealment) */
147 int concealment_motion_vectors;
148 /* bit to indicate which quantization table to use */
149 int q_scale_type;
150 /* bool to use different vlc tables */
151 int intra_vlc_format;
152 /* used for DMV MC */
153 int top_field_first;
154
155 /* stuff derived from bitstream */
156
157 /* pointer to the zigzag scan we're supposed to be using */
158 uint8_t * scan;
159
160 struct vo_frame_s * current_frame;
161 struct vo_frame_s * forward_reference_frame;
162 struct vo_frame_s * backward_reference_frame;
163
164 int frame_width, frame_height;
165
166 int second_field;
167
168 int mpeg1;
169
170 int skip_non_intra_dct;
171
172 /* these things are not needed by the decoder */
173 /* this is a temporary interface, we will build a better one later. */
174 int aspect_ratio_information;
175 int saved_aspect_ratio;
176 int frame_rate_code;
177 int progressive_sequence;
178 int repeat_first_field;
179 int progressive_frame;
180 int32_t frame_centre_horizontal_offset;
181 int32_t frame_centre_vertical_offset;
182 uint32_t video_format;
183 uint32_t colour_description;
184 uint32_t colour_primatives;
185 uint32_t transfer_characteristics;
186 uint32_t matrix_coefficients;
187 uint32_t display_horizontal_size;
188 uint32_t display_vertical_size;
189 uint32_t drop_frame_flag;
190 uint32_t time_code_hours;
191 uint32_t time_code_minutes;
192 uint32_t time_code_seconds;
193 uint32_t time_code_pictures;
194 uint32_t closed_gop;
195 uint32_t broken_link;
196
197 int bitrate;
198 int frame_rate_ext_n;
199 int frame_rate_ext_d;
200
201} picture_t;
202
203 typedef struct cpu_state_s {
204#ifdef ARCH_PPC
205 uint8_t regv[12*16];
206#endif
207 int dummy;
208} cpu_state_t;
209
210/* cpu_state.c */
211extern void (* mpeg2_cpu_state_save) (cpu_state_t * state);
212extern void (* mpeg2_cpu_state_restore) (cpu_state_t * state);
213void mpeg2_cpu_state_init (uint32_t mm_accel);
214
215/* header.c */
216extern uint8_t mpeg2_scan_norm[64];
217extern uint8_t mpeg2_scan_alt[64];
218void mpeg2_header_state_init (picture_t * picture);
219int mpeg2_header_picture (picture_t * picture, uint8_t * buffer);
220int mpeg2_header_sequence (picture_t * picture, uint8_t * buffer);
221int mpeg2_header_extension (picture_t * picture, uint8_t * buffer);
222int mpeg2_header_group_of_pictures (picture_t * picture, uint8_t * buffer);
223
224/* idct.c */
225extern void (* mpeg2_idct_copy) (int16_t * block, uint8_t * dest, int stride);
226extern void (* mpeg2_idct_add) (int16_t * block, uint8_t * dest, int stride);
227extern void (* mpeg2_idct) (int16_t * block);
228extern void (* mpeg2_zero_block) (int16_t * block);
229void mpeg2_idct_init (uint32_t mm_accel);
230
231/* idct_mlib.c */
232 void mpeg2_idct_add_mlib (int16_t * block, uint8_t * dest, int stride);
233 void mpeg2_idct_copy_mlib_non_ieee (int16_t * block, uint8_t * dest,
234 int stride);
235 void mpeg2_idct_add_mlib_non_ieee (int16_t * block, uint8_t * dest,
236 int stride);
237 void mpeg2_idct_mlib (int16_t * block);
238
239/* idct_mmx.c */
240 void mpeg2_idct_copy_mmxext (int16_t * block, uint8_t * dest, int stride);
241 void mpeg2_idct_add_mmxext (int16_t * block, uint8_t * dest, int stride);
242 void mpeg2_idct_mmxext (int16_t * block);
243 void mpeg2_idct_copy_mmx (int16_t * block, uint8_t * dest, int stride);
244 void mpeg2_idct_add_mmx (int16_t * block, uint8_t * dest, int stride);
245 void mpeg2_idct_mmx (int16_t * block);
246 void mpeg2_zero_block_mmx (int16_t * block);
247 void mpeg2_idct_mmx_init (void);
248
249/* idct_altivec.c */
250# ifdef ENABLE_ALTIVEC
251void mpeg2_idct_copy_altivec (vector signed short * block, unsigned char * dest,
252 int stride);
253void mpeg2_idct_add_altivec (vector signed short * block, unsigned char * dest,
254 int stride);
255# else /* ! ENABLE_ALTIVEC */
256 void mpeg2_idct_copy_altivec (signed short * block, unsigned char * dest,
257 int stride);
258 void mpeg2_idct_add_altivec (signed short * block, unsigned char * dest,
259 int stride);
260# endif /* ENABLE_ALTIVEC */
261 void mpeg2_idct_altivec_init (void);
262
263/* motion_comp.c */
264void mpeg2_mc_init (uint32_t mm_accel);
265
266 typedef struct mpeg2_mc_s {
267 void (* put [8]) (uint8_t * dst, uint8_t *, int32_t, int32_t);
268 void (* avg [8]) (uint8_t * dst, uint8_t *, int32_t, int32_t);
269} mpeg2_mc_t;
270
271#define MPEG2_MC_EXTERN(x) mpeg2_mc_t mpeg2_mc_##x = { \
272 {MC_put_o_16_##x, MC_put_x_16_##x, MC_put_y_16_##x, MC_put_xy_16_##x, \
273 MC_put_o_8_##x, MC_put_x_8_##x, MC_put_y_8_##x, MC_put_xy_8_##x}, \
274 {MC_avg_o_16_##x, MC_avg_x_16_##x, MC_avg_y_16_##x, MC_avg_xy_16_##x, \
275 MC_avg_o_8_##x, MC_avg_x_8_##x, MC_avg_y_8_##x, MC_avg_xy_8_##x} \
276};
277
278extern mpeg2_mc_t mpeg2_mc;
279extern mpeg2_mc_t mpeg2_mc_c;
280extern mpeg2_mc_t mpeg2_mc_mmx;
281extern mpeg2_mc_t mpeg2_mc_mmxext;
282extern mpeg2_mc_t mpeg2_mc_3dnow;
283extern mpeg2_mc_t mpeg2_mc_altivec;
284extern mpeg2_mc_t mpeg2_mc_mlib;
285extern mpeg2_mc_t mpeg2_mc_vis;
286
287/* slice.c */
288void mpeg2_slice (picture_t * picture, int code, uint8_t * buffer);
289
290/* stats.c */
291void mpeg2_stats (int code, uint8_t * buffer);
292
293
294#endif
accel_xvmc.h
video_out.h
mpeg2_idct_mmxext
void mpeg2_idct_mmxext(int16_t *block)
mpeg2_idct_add_altivec
void mpeg2_idct_add_altivec(signed short *block, unsigned char *dest, int stride)
mpeg2_cpu_state_init
void mpeg2_cpu_state_init(uint32_t mm_accel)
Definition cpu_state.c:171
mpeg2_mc_mmx
mpeg2_mc_t mpeg2_mc_mmx
mpeg2_idct_mlib
void mpeg2_idct_mlib(int16_t *block)
mpeg2_mc_t
struct mpeg2_mc_s mpeg2_mc_t
mpeg2_mc_mmxext
mpeg2_mc_t mpeg2_mc_mmxext
mpeg2_idct_add
void(* mpeg2_idct_add)(int16_t *block, uint8_t *dest, int stride)
Definition idct.c:60
mpeg2_mc_mlib
mpeg2_mc_t mpeg2_mc_mlib
mpeg2_idct_add_mmx
void mpeg2_idct_add_mmx(int16_t *block, uint8_t *dest, int stride)
mpeg2_mc_altivec
mpeg2_mc_t mpeg2_mc_altivec
mpeg2_mc_vis
mpeg2_mc_t mpeg2_mc_vis
mpeg2_idct_altivec_init
void mpeg2_idct_altivec_init(void)
mpeg2_cpu_state_restore
void(* mpeg2_cpu_state_restore)(cpu_state_t *state)
Definition cpu_state.c:34
mpeg2_cpu_state_save
void(* mpeg2_cpu_state_save)(cpu_state_t *state)
Definition cpu_state.c:33
picture_t
struct picture_s picture_t
mpeg2_zero_block_mmx
void mpeg2_zero_block_mmx(int16_t *block)
mpeg2_slice
void mpeg2_slice(picture_t *picture, int code, uint8_t *buffer)
Definition slice.c:1623
mpeg2_scan_alt
uint8_t mpeg2_scan_alt[64]
Definition header.c:68
mpeg2_idct_copy
void(* mpeg2_idct_copy)(int16_t *block, uint8_t *dest, int stride)
Definition idct.c:59
mpeg2_header_picture
int mpeg2_header_picture(picture_t *picture, uint8_t *buffer)
Definition header.c:400
mpeg2_mc_init
void mpeg2_mc_init(uint32_t mm_accel)
Definition motion_comp.c:34
mpeg2_zero_block
void(* mpeg2_zero_block)(int16_t *block)
Definition idct.c:62
mpeg2_header_state_init
void mpeg2_header_state_init(picture_t *picture)
Definition header.c:112
mpeg2_header_sequence
int mpeg2_header_sequence(picture_t *picture, uint8_t *buffer)
Definition header.c:119
mpeg2_stats
void mpeg2_stats(int code, uint8_t *buffer)
Definition stats.c:270
mpeg2_idct_add_mmxext
void mpeg2_idct_add_mmxext(int16_t *block, uint8_t *dest, int stride)
mpeg2_idct_add_mlib_non_ieee
void mpeg2_idct_add_mlib_non_ieee(int16_t *block, uint8_t *dest, int stride)
mpeg2_mc
mpeg2_mc_t mpeg2_mc
Definition motion_comp.c:32
mpeg2_idct_mmx
void mpeg2_idct_mmx(int16_t *block)
mpeg2_idct_copy_altivec
void mpeg2_idct_copy_altivec(signed short *block, unsigned char *dest, int stride)
mpeg2_header_group_of_pictures
int mpeg2_header_group_of_pictures(picture_t *picture, uint8_t *buffer)
Definition header.c:371
mpeg2_header_extension
int mpeg2_header_extension(picture_t *picture, uint8_t *buffer)
Definition header.c:316
mpeg2_idct_add_mlib
void mpeg2_idct_add_mlib(int16_t *block, uint8_t *dest, int stride)
mpeg2_idct_copy_mmx
void mpeg2_idct_copy_mmx(int16_t *block, uint8_t *dest, int stride)
mpeg2_scan_norm
uint8_t mpeg2_scan_norm[64]
Definition header.c:55
mpeg2_idct_copy_mmxext
void mpeg2_idct_copy_mmxext(int16_t *block, uint8_t *dest, int stride)
motion_t
struct motion_s motion_t
mpeg2_idct
void(* mpeg2_idct)(int16_t *block)
Definition idct.c:61
mpeg2_idct_init
void mpeg2_idct_init(uint32_t mm_accel)
Definition idct.c:281
mpeg2_idct_copy_mlib_non_ieee
void mpeg2_idct_copy_mlib_non_ieee(int16_t *block, uint8_t *dest, int stride)
mpeg2_mc_c
mpeg2_mc_t mpeg2_mc_c
Definition motion_comp.c:154
mpeg2_mc_3dnow
mpeg2_mc_t mpeg2_mc_3dnow
mpeg2_idct_mmx_init
void mpeg2_idct_mmx_init(void)
cpu_state_t
struct cpu_state_s cpu_state_t
cpu_state_s
Definition mpeg2_internal.h:203
cpu_state_s::dummy
int dummy
Definition mpeg2_internal.h:207
cpu_state_t
Definition mpeg2_internal.h:221
motion_s
Definition mpeg2_internal.h:61
motion_s::ref
uint8_t * ref[2][3]
Definition mpeg2_internal.h:62
motion_s::ref2
uint8_t ** ref2[2]
Definition mpeg2_internal.h:63
motion_s::f_code
int f_code[2]
Definition mpeg2_internal.h:65
motion_s::pmv
int pmv[2][2]
Definition mpeg2_internal.h:64
mpeg2_mc_s
Definition mpeg2_internal.h:266
mpeg2_mc_s::avg
void(* avg[8])(uint8_t *dst, uint8_t *, int32_t, int32_t)
Definition mpeg2_internal.h:268
mpeg2_mc_s::put
void(* put[8])(uint8_t *dst, uint8_t *, int32_t, int32_t)
Definition mpeg2_internal.h:267
mpeg2_mc_t
Definition mpeg2_internal.h:284
picture_s
Definition mpeg2_internal.h:68
picture_s::dc_dct_pred
int16_t dc_dct_pred[3]
Definition mpeg2_internal.h:106
picture_s::quantizer_scale
int quantizer_scale
Definition mpeg2_internal.h:108
picture_s::time_code_seconds
uint32_t time_code_seconds
Definition mpeg2_internal.h:192
picture_s::v_offset
unsigned int v_offset
Definition mpeg2_internal.h:111
picture_s::vbv_delay
int vbv_delay
Definition mpeg2_internal.h:134
picture_s::XvMC_mb_type
int XvMC_mb_type
Definition mpeg2_internal.h:77
picture_s::colour_primatives
uint32_t colour_primatives
Definition mpeg2_internal.h:184
picture_s::low_delay
int low_delay
Definition mpeg2_internal.h:135
picture_s::f_motion
motion_t f_motion
Definition mpeg2_internal.h:103
picture_s::XvMC_mv_field_sel
int XvMC_mv_field_sel[2][2]
Definition mpeg2_internal.h:78
picture_s::dest
uint8_t * dest[3]
Definition mpeg2_internal.h:91
picture_s::bitstream_bits
int bitstream_bits
Definition mpeg2_internal.h:88
picture_s::time_code_hours
uint32_t time_code_hours
Definition mpeg2_internal.h:190
picture_s::second_field
int second_field
Definition mpeg2_internal.h:166
picture_s::transfer_characteristics
uint32_t transfer_characteristics
Definition mpeg2_internal.h:185
picture_s::limit_y
unsigned int limit_y
Definition mpeg2_internal.h:97
picture_s::time_code_pictures
uint32_t time_code_pictures
Definition mpeg2_internal.h:193
picture_s::frame_rate_ext_n
int frame_rate_ext_n
Definition mpeg2_internal.h:198
picture_s::frame_rate_ext_d
int frame_rate_ext_d
Definition mpeg2_internal.h:199
picture_s::concealment_motion_vectors
int concealment_motion_vectors
Definition mpeg2_internal.h:147
picture_s::colour_description
uint32_t colour_description
Definition mpeg2_internal.h:183
picture_s::video_format
uint32_t video_format
Definition mpeg2_internal.h:182
picture_s::display_height
unsigned int display_height
Definition mpeg2_internal.h:127
picture_s::intra_vlc_format
int intra_vlc_format
Definition mpeg2_internal.h:151
picture_s::XvMC_dmvector
int XvMC_dmvector[2]
Definition mpeg2_internal.h:82
picture_s::frame_rate_code
int frame_rate_code
Definition mpeg2_internal.h:176
picture_s::bitstream_ptr
uint8_t * bitstream_ptr
Definition mpeg2_internal.h:89
picture_s::display_vertical_size
uint32_t display_vertical_size
Definition mpeg2_internal.h:188
picture_s::non_intra_quantizer_matrix
uint8_t non_intra_quantizer_matrix[64]
Definition mpeg2_internal.h:118
picture_s::scan
uint8_t * scan
Definition mpeg2_internal.h:158
picture_s::matrix_coefficients
uint32_t matrix_coefficients
Definition mpeg2_internal.h:186
picture_s::b_motion
motion_t b_motion
Definition mpeg2_internal.h:102
picture_s::coded_picture_height
int coded_picture_height
Definition mpeg2_internal.h:124
picture_s::aspect_ratio_information
int aspect_ratio_information
Definition mpeg2_internal.h:174
picture_s::closed_gop
uint32_t closed_gop
Definition mpeg2_internal.h:194
picture_s::frame_height
int frame_height
Definition mpeg2_internal.h:164
picture_s::bitrate
int bitrate
Definition mpeg2_internal.h:197
picture_s::pitches
int pitches[3]
Definition mpeg2_internal.h:92
picture_s::progressive_frame
int progressive_frame
Definition mpeg2_internal.h:179
picture_s::limit_x
unsigned int limit_x
Definition mpeg2_internal.h:94
picture_s::progressive_sequence
int progressive_sequence
Definition mpeg2_internal.h:177
picture_s::XvMC_cbp
int XvMC_cbp
Definition mpeg2_internal.h:83
picture_s::broken_link
uint32_t broken_link
Definition mpeg2_internal.h:195
picture_s::intra_quantizer_matrix
uint8_t intra_quantizer_matrix[64]
Definition mpeg2_internal.h:117
picture_s::XvMC_dct_type
int XvMC_dct_type
Definition mpeg2_internal.h:84
picture_s::intra_dc_precision
int intra_dc_precision
Definition mpeg2_internal.h:140
picture_s::q_scale_type
int q_scale_type
Definition mpeg2_internal.h:149
picture_s::mpeg1
int mpeg1
Definition mpeg2_internal.h:168
picture_s::load_non_intra_quantizer_matrix
int load_non_intra_quantizer_matrix
Definition mpeg2_internal.h:120
picture_s::repeat_first_field
int repeat_first_field
Definition mpeg2_internal.h:178
picture_s::frame_centre_vertical_offset
int32_t frame_centre_vertical_offset
Definition mpeg2_internal.h:181
picture_s::skip_non_intra_dct
int skip_non_intra_dct
Definition mpeg2_internal.h:170
picture_s::picture_structure
int picture_structure
Definition mpeg2_internal.h:142
picture_s::XvMC_x
int XvMC_x
Definition mpeg2_internal.h:79
picture_s::drop_frame_flag
uint32_t drop_frame_flag
Definition mpeg2_internal.h:189
picture_s::time_code_minutes
uint32_t time_code_minutes
Definition mpeg2_internal.h:191
picture_s::current_field
int current_field
Definition mpeg2_internal.h:109
picture_s::limit_y_8
unsigned int limit_y_8
Definition mpeg2_internal.h:96
picture_s::limit_y_16
unsigned int limit_y_16
Definition mpeg2_internal.h:95
picture_s::mc
xine_macroblocks_t * mc
Definition mpeg2_internal.h:76
picture_s::backward_reference_frame
struct vo_frame_s * backward_reference_frame
Definition mpeg2_internal.h:162
picture_s::picture_coding_type
int picture_coding_type
Definition mpeg2_internal.h:132
picture_s::coded_picture_width
int coded_picture_width
Definition mpeg2_internal.h:123
picture_s::display_horizontal_size
uint32_t display_horizontal_size
Definition mpeg2_internal.h:187
picture_s::frame_pred_frame_dct
int frame_pred_frame_dct
Definition mpeg2_internal.h:144
picture_s::frame_width
int frame_width
Definition mpeg2_internal.h:164
picture_s::offset
int offset
Definition mpeg2_internal.h:93
picture_s::frame_centre_horizontal_offset
int32_t frame_centre_horizontal_offset
Definition mpeg2_internal.h:180
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Definition mpeg2_internal.h:175
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Definition mpeg2_internal.h:160
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