1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
|
#include "dec_api.h"
#include "global.h"
#include "nalu.h"
#include "image.h"
#include "meminput.h"
#include "output.h"
#include "fmo.h"
#include "erc_api.h"
#include "parset.h"
#include "memcache.h"
#include "block.h"
#include "optim.h"
#include "mc_prediction.h"
#include "vlc.h"
#include <stddef.h> // for offsetof
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
OptimizedFunctions opt;
DecoderParams *alloc_decoder();
void Configure(VideoParameters *p_Vid, InputParameters *p_Inp);
void malloc_slice(InputParameters *p_Inp, VideoParameters *p_Vid);
void init (VideoParameters *p_Vid);
void free_slice (Slice *currSlice);
void free_img( VideoParameters *p_Vid);
int sse2_flag = 0, mmx_flag=0, sse_flag=0, sse3_flag=0, sse4_1_flag=0;
int H264_Init()
{
int flags_edx, flags_ecx;
#ifdef H264_IPP
ippStaticInit();
#endif
#ifdef _M_IX86
_asm {
mov eax, 1
cpuid
mov flags_edx, edx
mov flags_ecx, ecx
}
mmx_flag = flags_edx & 0x00800000;
sse_flag = flags_edx & 0x02000000;
sse2_flag = flags_edx & 0x04000000;
sse3_flag = flags_ecx & 0x00000001;
sse4_1_flag= flags_ecx & (1 << 19);
#elif defined(_M_X64)
sse2_flag = 1;
#endif
#ifdef _M_IX86
/* if you get any compile errors here, you need to change biari.asm */
BUILD_BUG_ON(offsetof(TextureInfoContexts, map_contexts) != 436);
BUILD_BUG_ON(offsetof(TextureInfoContexts, last_contexts) != 3252);
BUILD_BUG_ON(offsetof(TextureInfoContexts, one_contexts) != 6068);
BUILD_BUG_ON(offsetof(TextureInfoContexts, abs_contexts) != 6508);
BUILD_BUG_ON(offsetof(Macroblock, p_Slice) != 0);
BUILD_BUG_ON(offsetof(Macroblock, p_Vid) != 4);
BUILD_BUG_ON(offsetof(Macroblock, qp) != 60);
BUILD_BUG_ON(offsetof(Macroblock, qpc) != 64);
BUILD_BUG_ON(offsetof(Macroblock, qp_scaled) != 72);
BUILD_BUG_ON(offsetof(Macroblock, cbp_blk) != 248);
BUILD_BUG_ON(offsetof(Macroblock, mb_field) != 344);
BUILD_BUG_ON(offsetof(Macroblock, read_and_store_CBP_block_bit) != 400);
BUILD_BUG_ON(offsetof(Slice, tex_ctx) != 100);
BUILD_BUG_ON(offsetof(Slice, mb_rec) != 1696);
BUILD_BUG_ON(offsetof(Slice, mb_pred) != 928);
BUILD_BUG_ON(offsetof(Slice, coeff) != 15632);
BUILD_BUG_ON(offsetof(Slice, coeff_ctr) != 15760);
BUILD_BUG_ON(offsetof(Slice, pos) != 15764);
BUILD_BUG_ON(offsetof(Slice, cof) != 2464);
BUILD_BUG_ON(offsetof(Slice, last_dquant) != 88);
BUILD_BUG_ON(offsetof(Slice, mot_ctx) != 96);
BUILD_BUG_ON(offsetof(Slice, slice_type) != 64);
BUILD_BUG_ON(offsetof(StorablePicture, structure) != 0);
BUILD_BUG_ON(offsetof(StorablePicture, chroma_qp_offset) != 158688);
BUILD_BUG_ON(offsetof(StorablePicture, motion) != 158524);
BUILD_BUG_ON(offsetof(StorablePicture, plane_images) != 158512);
BUILD_BUG_ON(offsetof(StorablePicture, imgY) != 158512);
BUILD_BUG_ON(offsetof(VideoParameters, structure) != 697200);
BUILD_BUG_ON(offsetof(VideoParameters, bitdepth_chroma_qp_scale) != 697456);
BUILD_BUG_ON(offsetof(VideoParameters, dec_picture) != 698192);
BUILD_BUG_ON(offsetof(DecodingEnvironment, Dcodestrm_len) != 16);
BUILD_BUG_ON(offsetof(DecodingEnvironment, Dcodestrm) != 12);
BUILD_BUG_ON(offsetof(DecodingEnvironment, DbitsLeft) != 8);
BUILD_BUG_ON(offsetof(DecodingEnvironment, Dvalue) != 4);
BUILD_BUG_ON(offsetof(DecodingEnvironment, Drange) != 0);
BUILD_BUG_ON(sizeof(BiContextType) != 4);
BUILD_BUG_ON(offsetof(BiContextType, state) != 0);
BUILD_BUG_ON(offsetof(BiContextType, MPS) != 2);
BUILD_BUG_ON(offsetof(OptimizedFunctions, copy_image_data_16x16_stride) != 32);
#endif
if (sse2_flag)
{
//opt.itrans4x4 = itrans4x4_mmx;
opt.itrans8x8 = itrans8x8_sse2;
opt.weighted_mc_prediction16x16 = weighted_mc_prediction16x16_sse2;
opt.weighted_mc_prediction16x8 = weighted_mc_prediction16x8_sse2;
opt.weighted_mc_prediction8x8 = weighted_mc_prediction8x8_sse2;
opt.weighted_bi_prediction16x16 = weighted_bi_prediction16x16_sse2;
opt.weighted_bi_prediction16x8 = weighted_bi_prediction16x8_sse2;
opt.weighted_bi_prediction8x8 = weighted_bi_prediction8x8_sse2;
opt.bi_prediction8x8 = bi_prediction8x8_sse2;
opt.copy_image_data_16x16_stride = copy_image_data_16x16_stride_sse;
opt.code_from_bitstream_2d_5_4 = code_from_bitstream_2d_5_4_sse2;
opt.code_from_bitstream_2d_17_4 = code_from_bitstream_2d_17_4_sse2;
opt.code_from_bitstream_2d_16_1 = code_from_bitstream_2d_16_1_sse2;
}
else if (sse_flag && mmx_flag)
{
//opt.itrans4x4 = itrans4x4_mmx;
opt.itrans8x8 = itrans8x8_c;//itrans8x8_mmx;
opt.weighted_mc_prediction16x16 = weighted_mc_prediction16x16_ipp;
opt.weighted_mc_prediction16x8 = weighted_mc_prediction16x8_ipp;
opt.weighted_mc_prediction8x8 = weighted_mc_prediction8x8_ipp;
opt.weighted_bi_prediction16x16 = weighted_bi_prediction16x16_ipp;
opt.weighted_bi_prediction16x8 = weighted_bi_prediction16x8_ipp;
opt.weighted_bi_prediction8x8 = weighted_bi_prediction8x8_ipp;
opt.bi_prediction8x8 = bi_prediction8x8_ipp;
opt.copy_image_data_16x16_stride = copy_image_data_16x16_stride_sse;
opt.code_from_bitstream_2d_5_4 = code_from_bitstream_2d_5_4_c;
opt.code_from_bitstream_2d_17_4 = code_from_bitstream_2d_17_4_c;
opt.code_from_bitstream_2d_16_1 = code_from_bitstream_2d_16_1_c;
}
else
return 0;
return 1;
}
h264_decoder_t H264_CreateDecoder()
{
DecoderParams *decoder=alloc_decoder();
if (decoder)
{
InputParameters *p_Inp = decoder->p_Inp;
Configure(decoder->p_Vid, p_Inp);
p_Inp->intra_profile_deblocking = 1;
initBitsFile(decoder->p_Vid);
malloc_slice(decoder->p_Inp, decoder->p_Vid);
init_old_slice(decoder->p_Vid->old_slice);
init(decoder->p_Vid);
init_out_buffer(decoder->p_Vid);
decoder->p_Vid->current_mb_nr = -4711; // initialized to an impossible value for debugging -- correct value is taken from slice header
}
return decoder;
}
void H264_DestroyDecoder(h264_decoder_t d)
{
DecoderParams *decoder = (DecoderParams *)d;
if (decoder)
{
free_slice(decoder->p_Vid->currentSlice);
FmoFinit(decoder->p_Vid);
free_global_buffers(decoder->p_Vid);
flush_dpb(decoder->p_Vid);
#if (PAIR_FIELDS_IN_OUTPUT)
flush_pending_output(decoder->p_Vid);
#endif
out_storable_pictures_destroy(decoder->p_Vid);
ercClose(decoder->p_Vid, decoder->p_Vid->erc_errorVar);
CleanUpPPS(decoder->p_Vid);
free_dpb(decoder->p_Vid);
uninit_out_buffer(decoder->p_Vid);
image_cache_flush(&decoder->p_Vid->image_cache[0]);
image_cache_flush(&decoder->p_Vid->image_cache[1]);
motion_cache_flush(&decoder->p_Vid->motion_cache);
FreeNALU(decoder->p_Vid->nalu);
free (decoder->p_Inp);
free_img (decoder->p_Vid);
free(decoder);
}
}
void H264_DecodeFrame(h264_decoder_t d, const void *buffer, size_t bufferlen, uint64_t time_code)
{
DecoderParams *decoder = (DecoderParams *)d;
int ret;
memory_input_t *mem_input = decoder->p_Vid->mem_input;
mem_input->user_buffer=buffer;
mem_input->user_buffer_size=bufferlen;
mem_input->user_buffer_read=0;
__try
{
ret = decode_one_frame(decoder->p_Vid, time_code);
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
int x;
x=0;
}
#ifdef _M_IX86
_mm_empty();
#endif
}
void H264_GetPicture(h264_decoder_t d, StorablePicture **pic)
{
DecoderParams *decoder = (DecoderParams *)d;
if (pic)
{
out_storable_picture_get(decoder->p_Vid, pic);
}
}
static double GetAspectRatio(const vui_seq_parameters_t *vui)
{
int aspect_ratio_width=1, aspect_ratio_height=1;
if (vui->aspect_ratio_info_present_flag)
{
switch(vui->aspect_ratio_idc)
{
case VUI_AR_UNDEFINED:
case VUI_AR_SQUARE:
aspect_ratio_width = 1;
aspect_ratio_height = 1;
break;
case VUI_AR_12_11:
aspect_ratio_width = 12;
aspect_ratio_height = 11;
break;
case VUI_AR_10_11:
aspect_ratio_width = 10;
aspect_ratio_height = 11;
break;
case VUI_AR_16_11:
aspect_ratio_width = 16;
aspect_ratio_height = 11;
break;
case VUI_AR_40_33:
aspect_ratio_width = 40;
aspect_ratio_height = 33;
break;
case VUI_AR_24_11:
aspect_ratio_width = 24;
aspect_ratio_height = 11;
break;
case VUI_AR_20_11:
aspect_ratio_width = 20;
aspect_ratio_height = 11;
break;
case VUI_AR_32_11:
aspect_ratio_width = 32;
aspect_ratio_height = 11;
break;
case VUI_AR_80_33:
aspect_ratio_width = 80;
aspect_ratio_height = 33;
break;
case VUI_AR_18_11:
aspect_ratio_width = 18;
aspect_ratio_height = 11;
break;
case VUI_AR_15_11:
aspect_ratio_width = 15;
aspect_ratio_height = 11;
break;
case VUI_AR_64_33:
aspect_ratio_width = 64;
aspect_ratio_height = 33;
break;
case VUI_AR_160_99:
aspect_ratio_width = 160;
aspect_ratio_height = 99;
break;
case VUI_AR_4_3:
aspect_ratio_width = 4;
aspect_ratio_height = 3;
break;
case VUI_AR_3_2:
aspect_ratio_width = 3;
aspect_ratio_height = 2;
break;;
case VUI_AR_2_1:
aspect_ratio_width = 2;
aspect_ratio_height = 1;
break;;
case VUI_EXTENDED_SAR:
default:
aspect_ratio_width = vui->sar_width;
aspect_ratio_height = vui->sar_height;
break;
}
}
return (double)aspect_ratio_width / (double)aspect_ratio_height;
}
const FrameFormat *H264_GetOutputFormat(h264_decoder_t d, double *aspect_ratio)
{
DecoderParams *decoder = (DecoderParams *)d;
if (decoder && decoder->p_Inp)
{
if (decoder->p_Vid->active_sps)
*aspect_ratio = GetAspectRatio(&decoder->p_Vid->active_sps->vui_seq_parameters);
return &decoder->p_Inp->output;
}
else
return 0;
}
void H264_Flush(h264_decoder_t d)
{
DecoderParams *decoder = (DecoderParams *)d;
if (decoder && decoder->p_Vid)
{
StorablePicture *pic=0;
exit_picture(decoder->p_Vid, &decoder->p_Vid->dec_picture);
if (pic)
free_storable_picture(decoder->p_Vid, pic);
pic=0;
decoder->p_Vid->frame_num = 0;
decoder->p_Vid->pre_frame_num = INT_MIN;
decoder->p_Vid->PreviousFrameNum=0;
decoder->p_Vid->PreviousFrameNumOffset = 0;
decoder->p_Vid->PrevPicOrderCntLsb = 0;
decoder->p_Vid->PrevPicOrderCntMsb = 0;
flush_dpb(decoder->p_Vid);
do
{
pic=0;
out_storable_picture_get(decoder->p_Vid, &pic);
if (pic)
free_storable_picture(decoder->p_Vid, pic);
} while (pic);
decoder->p_Vid->mem_input->resetting = 1;
}
}
void H264_FreePicture(h264_decoder_t d, StorablePicture *p)
{
DecoderParams *decoder = (DecoderParams *)d;
if (decoder && decoder->p_Vid && p)
{
free_storable_picture(decoder->p_Vid, p);
}
}
void H264_EndOfStream(h264_decoder_t d)
{
DecoderParams *decoder = (DecoderParams *)d;
if (decoder && decoder->p_Vid)
{
if (decoder->p_Vid->dec_picture)
exit_picture(decoder->p_Vid, &decoder->p_Vid->dec_picture);
else
flush_dpb(decoder->p_Vid);
}
}
void H264_HurryUp(h264_decoder_t d, int state)
{
DecoderParams *decoder = (DecoderParams *)d;
if (decoder && decoder->p_Vid)
{
memory_input_t *mem_input = decoder->p_Vid->mem_input;
if (mem_input)
mem_input->skip_b_frames = state;
}
}
|
