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
|
/*
* gstvaapiutils_h264.c - H.264 related utilities
*
* Copyright (C) 2011-2013 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include "sysdeps.h"
#include <gst/codecparsers/gsth264parser.h>
#include "gstvaapiutils_h264_priv.h"
struct map
{
guint value;
const gchar *name;
};
/* Profile string map */
static const struct map gst_vaapi_h264_profile_map[] = {
/* *INDENT-OFF* */
{ GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE, "constrained-baseline" },
{ GST_VAAPI_PROFILE_H264_BASELINE, "baseline" },
{ GST_VAAPI_PROFILE_H264_MAIN, "main" },
{ GST_VAAPI_PROFILE_H264_EXTENDED, "extended" },
{ GST_VAAPI_PROFILE_H264_HIGH, "high" },
{ GST_VAAPI_PROFILE_H264_HIGH10, "high-10" },
{ GST_VAAPI_PROFILE_H264_HIGH_422, "high-4:2:2" },
{ GST_VAAPI_PROFILE_H264_HIGH_444, "high-4:4:4" },
{ GST_VAAPI_PROFILE_H264_SCALABLE_BASELINE, "scalable-baseline" },
{ GST_VAAPI_PROFILE_H264_SCALABLE_HIGH, "scalable-high" },
{ GST_VAAPI_PROFILE_H264_STEREO_HIGH, "stereo-high" },
{ GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH, "multiview-high" },
{ 0, NULL }
/* *INDENT-ON* */
};
/* Level string map */
static const struct map gst_vaapi_h264_level_map[] = {
/* *INDENT-OFF* */
{ GST_VAAPI_LEVEL_H264_L1, "1" },
{ GST_VAAPI_LEVEL_H264_L1b, "1b" },
{ GST_VAAPI_LEVEL_H264_L1_1, "1.1" },
{ GST_VAAPI_LEVEL_H264_L1_2, "1.2" },
{ GST_VAAPI_LEVEL_H264_L1_3, "1.3" },
{ GST_VAAPI_LEVEL_H264_L2, "2" },
{ GST_VAAPI_LEVEL_H264_L2_1, "2.1" },
{ GST_VAAPI_LEVEL_H264_L2_2, "2.2" },
{ GST_VAAPI_LEVEL_H264_L3, "3" },
{ GST_VAAPI_LEVEL_H264_L3_1, "3.1" },
{ GST_VAAPI_LEVEL_H264_L3_2, "3.2" },
{ GST_VAAPI_LEVEL_H264_L4, "4" },
{ GST_VAAPI_LEVEL_H264_L4_1, "4.1" },
{ GST_VAAPI_LEVEL_H264_L4_2, "4.2" },
{ GST_VAAPI_LEVEL_H264_L5, "5" },
{ GST_VAAPI_LEVEL_H264_L5_1, "5.1" },
{ GST_VAAPI_LEVEL_H264_L5_2, "5.2" },
{ 0, NULL }
/* *INDENT-ON* */
};
/* Table A-1 - Level limits */
/* *INDENT-OFF* */
static const GstVaapiH264LevelLimits gst_vaapi_h264_level_limits[] = {
/* level idc MaxMBPS MaxFS MaxDpbMbs MaxBR */
{ GST_VAAPI_LEVEL_H264_L1, 10, 1485, 99, 396, 64 },
{ GST_VAAPI_LEVEL_H264_L1b, 11, 1485, 99, 396, 128 },
{ GST_VAAPI_LEVEL_H264_L1_1, 11, 3000, 396, 900, 192 },
{ GST_VAAPI_LEVEL_H264_L1_2, 12, 6000, 396, 2376, 384 },
{ GST_VAAPI_LEVEL_H264_L1_3, 13, 11880, 396, 2376, 768 },
{ GST_VAAPI_LEVEL_H264_L2, 20, 11880, 396, 2376, 2000 },
{ GST_VAAPI_LEVEL_H264_L2_1, 21, 19800, 792, 4752, 4000 },
{ GST_VAAPI_LEVEL_H264_L2_2, 22, 20250, 1620, 8100, 4000 },
{ GST_VAAPI_LEVEL_H264_L3, 30, 40500, 1620, 8100, 10000 },
{ GST_VAAPI_LEVEL_H264_L3_1, 31, 108000, 3600, 18000, 14000 },
{ GST_VAAPI_LEVEL_H264_L3_2, 32, 216000, 5120, 20480, 20000 },
{ GST_VAAPI_LEVEL_H264_L4, 40, 245760, 8192, 32768, 20000 },
{ GST_VAAPI_LEVEL_H264_L4_1, 41, 245760, 8192, 32768, 50000 },
{ GST_VAAPI_LEVEL_H264_L4_2, 42, 522240, 8704, 34816, 50000 },
{ GST_VAAPI_LEVEL_H264_L5, 50, 589824, 22080, 110400, 135000 },
{ GST_VAAPI_LEVEL_H264_L5_1, 51, 983040, 36864, 184320, 240000 },
{ GST_VAAPI_LEVEL_H264_L5_2, 52, 2073600, 36864, 184320, 240000 },
{ 0, }
};
/* *INDENT-ON* */
/* Lookup value in map */
static const struct map *
map_lookup_value (const struct map *m, guint value)
{
g_return_val_if_fail (m != NULL, NULL);
for (; m->name != NULL; m++) {
if (m->value == value)
return m;
}
return NULL;
}
/* Lookup name in map */
static const struct map *
map_lookup_name (const struct map *m, const gchar * name)
{
g_return_val_if_fail (m != NULL, NULL);
if (!name)
return NULL;
for (; m->name != NULL; m++) {
if (strcmp (m->name, name) == 0)
return m;
}
return NULL;
}
/** Returns GstVaapiProfile from H.264 profile_idc value */
GstVaapiProfile
gst_vaapi_utils_h264_get_profile (guint8 profile_idc)
{
GstVaapiProfile profile;
switch (profile_idc) {
case GST_H264_PROFILE_BASELINE:
profile = GST_VAAPI_PROFILE_H264_BASELINE;
break;
case GST_H264_PROFILE_MAIN:
profile = GST_VAAPI_PROFILE_H264_MAIN;
break;
case GST_H264_PROFILE_EXTENDED:
profile = GST_VAAPI_PROFILE_H264_EXTENDED;
break;
case GST_H264_PROFILE_HIGH:
profile = GST_VAAPI_PROFILE_H264_HIGH;
break;
case GST_H264_PROFILE_HIGH10:
profile = GST_VAAPI_PROFILE_H264_HIGH10;
break;
case GST_H264_PROFILE_HIGH_422:
profile = GST_VAAPI_PROFILE_H264_HIGH_422;
break;
case GST_H264_PROFILE_HIGH_444:
profile = GST_VAAPI_PROFILE_H264_HIGH_444;
break;
case GST_H264_PROFILE_SCALABLE_BASELINE:
profile = GST_VAAPI_PROFILE_H264_SCALABLE_BASELINE;
break;
case GST_H264_PROFILE_SCALABLE_HIGH:
profile = GST_VAAPI_PROFILE_H264_SCALABLE_HIGH;
break;
case GST_H264_PROFILE_MULTIVIEW_HIGH:
profile = GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH;
break;
case GST_H264_PROFILE_STEREO_HIGH:
profile = GST_VAAPI_PROFILE_H264_STEREO_HIGH;
break;
default:
g_debug ("unsupported profile_idc value");
profile = GST_VAAPI_PROFILE_UNKNOWN;
break;
}
return profile;
}
/** Returns H.264 profile_idc value from GstVaapiProfile */
guint8
gst_vaapi_utils_h264_get_profile_idc (GstVaapiProfile profile)
{
guint8 profile_idc;
switch (profile) {
case GST_VAAPI_PROFILE_H264_BASELINE:
case GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE:
profile_idc = GST_H264_PROFILE_BASELINE;
break;
case GST_VAAPI_PROFILE_H264_MAIN:
profile_idc = GST_H264_PROFILE_MAIN;
break;
case GST_VAAPI_PROFILE_H264_EXTENDED:
profile_idc = GST_H264_PROFILE_EXTENDED;
break;
case GST_VAAPI_PROFILE_H264_HIGH:
profile_idc = GST_H264_PROFILE_HIGH;
break;
case GST_VAAPI_PROFILE_H264_HIGH10:
profile_idc = GST_H264_PROFILE_HIGH10;
break;
case GST_VAAPI_PROFILE_H264_HIGH_422:
profile_idc = GST_H264_PROFILE_HIGH_422;
break;
case GST_VAAPI_PROFILE_H264_HIGH_444:
profile_idc = GST_H264_PROFILE_HIGH_444;
break;
case GST_VAAPI_PROFILE_H264_SCALABLE_BASELINE:
profile_idc = GST_H264_PROFILE_SCALABLE_BASELINE;
break;
case GST_VAAPI_PROFILE_H264_SCALABLE_HIGH:
profile_idc = GST_H264_PROFILE_SCALABLE_HIGH;
break;
case GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH:
profile_idc = GST_H264_PROFILE_MULTIVIEW_HIGH;
break;
case GST_VAAPI_PROFILE_H264_STEREO_HIGH:
profile_idc = GST_H264_PROFILE_STEREO_HIGH;
break;
default:
g_debug ("unsupported GstVaapiProfile value");
profile_idc = 0;
break;
}
return profile_idc;
}
/** Returns GstVaapiProfile from a string representation */
GstVaapiProfile
gst_vaapi_utils_h264_get_profile_from_string (const gchar * str)
{
const struct map *const m = map_lookup_name (gst_vaapi_h264_profile_map, str);
return m ? (GstVaapiProfile) m->value : GST_VAAPI_PROFILE_UNKNOWN;
}
/** Returns a string representation for the supplied H.264 profile */
const gchar *
gst_vaapi_utils_h264_get_profile_string (GstVaapiProfile profile)
{
const struct map *const m =
map_lookup_value (gst_vaapi_h264_profile_map, profile);
return m ? m->name : NULL;
}
/** Returns GstVaapiLevelH264 from H.264 level_idc value */
GstVaapiLevelH264
gst_vaapi_utils_h264_get_level (guint8 level_idc)
{
const GstVaapiH264LevelLimits *llp;
// Prefer Level 1.1 over level 1b
if (G_UNLIKELY (level_idc == 11))
return GST_VAAPI_LEVEL_H264_L1_1;
for (llp = gst_vaapi_h264_level_limits; llp->level != 0; llp++) {
if (llp->level_idc == level_idc)
return llp->level;
}
g_debug ("unsupported level_idc value");
return (GstVaapiLevelH264) 0;
}
/** Returns H.264 level_idc value from GstVaapiLevelH264 */
guint8
gst_vaapi_utils_h264_get_level_idc (GstVaapiLevelH264 level)
{
const GstVaapiH264LevelLimits *const llp =
gst_vaapi_utils_h264_get_level_limits (level);
return llp ? llp->level_idc : 0;
}
/** Returns GstVaapiLevelH264 from a string representation */
GstVaapiLevelH264
gst_vaapi_utils_h264_get_level_from_string (const gchar * str)
{
gint v, level_idc = 0;
if (!str || !str[0])
goto not_found;
v = g_ascii_digit_value (str[0]);
if (v < 0)
goto not_found;
level_idc = v * 10;
switch (str[1]) {
case '\0':
break;
case '.':
v = g_ascii_digit_value (str[2]);
if (v < 0 || str[3] != '\0')
goto not_found;
level_idc += v;
break;
case 'b':
if (level_idc == 10 && str[2] == '\0')
return GST_VAAPI_LEVEL_H264_L1b;
// fall-trough
default:
goto not_found;
}
return gst_vaapi_utils_h264_get_level (level_idc);
not_found:
return (GstVaapiLevelH264) 0;
}
/** Returns a string representation for the supplied H.264 level */
const gchar *
gst_vaapi_utils_h264_get_level_string (GstVaapiLevelH264 level)
{
if (level < GST_VAAPI_LEVEL_H264_L1 || level > GST_VAAPI_LEVEL_H264_L5_2)
return NULL;
return gst_vaapi_h264_level_map[level - GST_VAAPI_LEVEL_H264_L1].name;
}
/** Returns level limits as specified in Table A-1 of the H.264 standard */
const GstVaapiH264LevelLimits *
gst_vaapi_utils_h264_get_level_limits (GstVaapiLevelH264 level)
{
if (level < GST_VAAPI_LEVEL_H264_L1 || level > GST_VAAPI_LEVEL_H264_L5_2)
return NULL;
return &gst_vaapi_h264_level_limits[level - GST_VAAPI_LEVEL_H264_L1];
}
/** Returns the Table A-1 specification */
const GstVaapiH264LevelLimits *
gst_vaapi_utils_h264_get_level_limits_table (guint * out_length_ptr)
{
if (out_length_ptr)
*out_length_ptr = G_N_ELEMENTS (gst_vaapi_h264_level_limits) - 1;
return gst_vaapi_h264_level_limits;
}
/** Returns GstVaapiChromaType from H.264 chroma_format_idc value */
GstVaapiChromaType
gst_vaapi_utils_h264_get_chroma_type (guint chroma_format_idc)
{
GstVaapiChromaType chroma_type;
switch (chroma_format_idc) {
case 0:
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV400;
break;
case 1:
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
break;
case 2:
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV422;
break;
case 3:
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV444;
break;
default:
g_debug ("unsupported chroma_format_idc value");
chroma_type = (GstVaapiChromaType) 0;
break;
}
return chroma_type;
}
/** Returns H.264 chroma_format_idc value from GstVaapiChromaType */
guint
gst_vaapi_utils_h264_get_chroma_format_idc (GstVaapiChromaType chroma_type)
{
guint chroma_format_idc;
switch (chroma_type) {
case GST_VAAPI_CHROMA_TYPE_YUV400:
chroma_format_idc = 0;
break;
case GST_VAAPI_CHROMA_TYPE_YUV420:
chroma_format_idc = 1;
break;
case GST_VAAPI_CHROMA_TYPE_YUV422:
chroma_format_idc = 2;
break;
case GST_VAAPI_CHROMA_TYPE_YUV444:
chroma_format_idc = 3;
break;
default:
g_debug ("unsupported GstVaapiChromaType value");
chroma_format_idc = 1;
break;
}
return chroma_format_idc;
}
|
