FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/dnxhdenc.c
Date: 2024-05-26 22:00:00
Exec Total Coverage
Lines: 683 802 85.2%
Functions: 30 31 96.8%
Branches: 308 419 73.5%

Line Branch Exec Source
1 /*
2 * VC3/DNxHD encoder
3 * Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
4 * Copyright (c) 2011 MirriAd Ltd
5 *
6 * VC-3 encoder funded by the British Broadcasting Corporation
7 * 10 bit support added by MirriAd Ltd, Joseph Artsimovich <joseph@mirriad.com>
8 *
9 * This file is part of FFmpeg.
10 *
11 * FFmpeg is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * FFmpeg is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with FFmpeg; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 */
25
26 #include "libavutil/attributes.h"
27 #include "libavutil/internal.h"
28 #include "libavutil/mem.h"
29 #include "libavutil/mem_internal.h"
30 #include "libavutil/opt.h"
31
32 #include "avcodec.h"
33 #include "blockdsp.h"
34 #include "codec_internal.h"
35 #include "encode.h"
36 #include "fdctdsp.h"
37 #include "mathops.h"
38 #include "mpegvideo.h"
39 #include "mpegvideoenc.h"
40 #include "pixblockdsp.h"
41 #include "packet_internal.h"
42 #include "profiles.h"
43 #include "dnxhdenc.h"
44
45 // The largest value that will not lead to overflow for 10-bit samples.
46 #define DNX10BIT_QMAT_SHIFT 18
47 #define RC_VARIANCE 1 // use variance or ssd for fast rc
48 #define LAMBDA_FRAC_BITS 10
49
50 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
51 static const AVOption options[] = {
52 { "nitris_compat", "encode with Avid Nitris compatibility",
53 offsetof(DNXHDEncContext, nitris_compat), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
54 { "ibias", "intra quant bias",
55 offsetof(DNXHDEncContext, intra_quant_bias), AV_OPT_TYPE_INT,
56 { .i64 = 0 }, INT_MIN, INT_MAX, VE },
57 { "profile", NULL, offsetof(DNXHDEncContext, profile), AV_OPT_TYPE_INT,
58 { .i64 = AV_PROFILE_DNXHD },
59 AV_PROFILE_DNXHD, AV_PROFILE_DNXHR_444, VE, .unit = "profile" },
60 { "dnxhd", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_PROFILE_DNXHD },
61 0, 0, VE, .unit = "profile" },
62 { "dnxhr_444", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_PROFILE_DNXHR_444 },
63 0, 0, VE, .unit = "profile" },
64 { "dnxhr_hqx", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_PROFILE_DNXHR_HQX },
65 0, 0, VE, .unit = "profile" },
66 { "dnxhr_hq", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_PROFILE_DNXHR_HQ },
67 0, 0, VE, .unit = "profile" },
68 { "dnxhr_sq", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_PROFILE_DNXHR_SQ },
69 0, 0, VE, .unit = "profile" },
70 { "dnxhr_lb", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_PROFILE_DNXHR_LB },
71 0, 0, VE, .unit = "profile" },
72 { NULL }
73 };
74
75 static const AVClass dnxhd_class = {
76 .class_name = "dnxhd",
77 .item_name = av_default_item_name,
78 .option = options,
79 .version = LIBAVUTIL_VERSION_INT,
80 };
81
82 97920 static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *restrict block,
83 const uint8_t *pixels,
84 ptrdiff_t line_size)
85 {
86 int i;
87
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489600 for (i = 0; i < 4; i++) {
88 391680 block[0] = pixels[0];
89 391680 block[1] = pixels[1];
90 391680 block[2] = pixels[2];
91 391680 block[3] = pixels[3];
92 391680 block[4] = pixels[4];
93 391680 block[5] = pixels[5];
94 391680 block[6] = pixels[6];
95 391680 block[7] = pixels[7];
96 391680 pixels += line_size;
97 391680 block += 8;
98 }
99 97920 memcpy(block, block - 8, sizeof(*block) * 8);
100 97920 memcpy(block + 8, block - 16, sizeof(*block) * 8);
101 97920 memcpy(block + 16, block - 24, sizeof(*block) * 8);
102 97920 memcpy(block + 24, block - 32, sizeof(*block) * 8);
103 97920 }
104
105 static av_always_inline
106 43200 void dnxhd_10bit_get_pixels_8x4_sym(int16_t *restrict block,
107 const uint8_t *pixels,
108 ptrdiff_t line_size)
109 {
110 43200 memcpy(block + 0 * 8, pixels + 0 * line_size, 8 * sizeof(*block));
111 43200 memcpy(block + 7 * 8, pixels + 0 * line_size, 8 * sizeof(*block));
112 43200 memcpy(block + 1 * 8, pixels + 1 * line_size, 8 * sizeof(*block));
113 43200 memcpy(block + 6 * 8, pixels + 1 * line_size, 8 * sizeof(*block));
114 43200 memcpy(block + 2 * 8, pixels + 2 * line_size, 8 * sizeof(*block));
115 43200 memcpy(block + 5 * 8, pixels + 2 * line_size, 8 * sizeof(*block));
116 43200 memcpy(block + 3 * 8, pixels + 3 * line_size, 8 * sizeof(*block));
117 43200 memcpy(block + 4 * 8, pixels + 3 * line_size, 8 * sizeof(*block));
118 43200 }
119
120 static int dnxhd_10bit_dct_quantize_444(MpegEncContext *ctx, int16_t *block,
121 int n, int qscale, int *overflow)
122 {
123 int i, j, level, last_non_zero, start_i;
124 const int *qmat;
125 const uint8_t *scantable= ctx->intra_scantable.scantable;
126 int bias;
127 int max = 0;
128 unsigned int threshold1, threshold2;
129
130 ctx->fdsp.fdct(block);
131
132 block[0] = (block[0] + 2) >> 2;
133 start_i = 1;
134 last_non_zero = 0;
135 qmat = n < 4 ? ctx->q_intra_matrix[qscale] : ctx->q_chroma_intra_matrix[qscale];
136 bias= ctx->intra_quant_bias * (1 << (16 - 8));
137 threshold1 = (1 << 16) - bias - 1;
138 threshold2 = (threshold1 << 1);
139
140 for (i = 63; i >= start_i; i--) {
141 j = scantable[i];
142 level = block[j] * qmat[j];
143
144 if (((unsigned)(level + threshold1)) > threshold2) {
145 last_non_zero = i;
146 break;
147 } else{
148 block[j]=0;
149 }
150 }
151
152 for (i = start_i; i <= last_non_zero; i++) {
153 j = scantable[i];
154 level = block[j] * qmat[j];
155
156 if (((unsigned)(level + threshold1)) > threshold2) {
157 if (level > 0) {
158 level = (bias + level) >> 16;
159 block[j] = level;
160 } else{
161 level = (bias - level) >> 16;
162 block[j] = -level;
163 }
164 max |= level;
165 } else {
166 block[j] = 0;
167 }
168 }
169 *overflow = ctx->max_qcoeff < max; //overflow might have happened
170
171 /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
172 if (ctx->idsp.perm_type != FF_IDCT_PERM_NONE)
173 ff_block_permute(block, ctx->idsp.idct_permutation,
174 scantable, last_non_zero);
175
176 return last_non_zero;
177 }
178
179 3945600 static int dnxhd_10bit_dct_quantize(MpegEncContext *ctx, int16_t *block,
180 int n, int qscale, int *overflow)
181 {
182 3945600 const uint8_t *scantable= ctx->intra_scantable.scantable;
183
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3945600 const int *qmat = n<4 ? ctx->q_intra_matrix[qscale] : ctx->q_chroma_intra_matrix[qscale];
184 3945600 int last_non_zero = 0;
185 int i;
186
187 3945600 ctx->fdsp.fdct(block);
188
189 // Divide by 4 with rounding, to compensate scaling of DCT coefficients
190 3945600 block[0] = (block[0] + 2) >> 2;
191
192
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252518400 for (i = 1; i < 64; ++i) {
193 248572800 int j = scantable[i];
194 248572800 int sign = FF_SIGNBIT(block[j]);
195 248572800 int level = (block[j] ^ sign) - sign;
196 248572800 level = level * qmat[j] >> DNX10BIT_QMAT_SHIFT;
197 248572800 block[j] = (level ^ sign) - sign;
198
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248572800 if (level)
199 32824223 last_non_zero = i;
200 }
201
202 /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
203
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3945600 if (ctx->idsp.perm_type != FF_IDCT_PERM_NONE)
204 ff_block_permute(block, ctx->idsp.idct_permutation,
205 scantable, last_non_zero);
206
207 3945600 return last_non_zero;
208 }
209
210 73 static av_cold int dnxhd_init_vlc(DNXHDEncContext *ctx)
211 {
212 int i, j, level, run;
213 73 int max_level = 1 << (ctx->bit_depth + 2);
214
215
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73 if (!FF_ALLOCZ_TYPED_ARRAY(ctx->orig_vlc_codes, max_level * 4) ||
216
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73 !FF_ALLOCZ_TYPED_ARRAY(ctx->orig_vlc_bits, max_level * 4) ||
217
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73 !(ctx->run_codes = av_mallocz(63 * 2)) ||
218
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73 !(ctx->run_bits = av_mallocz(63)))
219 return AVERROR(ENOMEM);
220 73 ctx->vlc_codes = ctx->orig_vlc_codes + max_level * 2;
221 73 ctx->vlc_bits = ctx->orig_vlc_bits + max_level * 2;
222
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192585 for (level = -max_level; level < max_level; level++) {
223
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577536 for (run = 0; run < 2; run++) {
224 385024 int index = level * (1 << 1) | run;
225 385024 int sign, offset = 0, alevel = level;
226
227 385024 MASK_ABS(sign, alevel);
228
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385024 if (alevel > 64) {
229 366190 offset = (alevel - 1) >> 6;
230 366190 alevel -= offset << 6;
231 }
232
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65137020 for (j = 0; j < 257; j++) {
233
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65136947 if (ctx->cid_table->ac_info[2*j+0] >> 1 == alevel &&
234
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1197496 (!offset || (ctx->cid_table->ac_info[2*j+1] & 1) && offset) &&
235
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390917 (!run || (ctx->cid_table->ac_info[2*j+1] & 2) && run)) {
236 av_assert1(!ctx->vlc_codes[index]);
237
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384951 if (alevel) {
238 384878 ctx->vlc_codes[index] =
239 384878 (ctx->cid_table->ac_codes[j] << 1) | (sign & 1);
240 384878 ctx->vlc_bits[index] = ctx->cid_table->ac_bits[j] + 1;
241 } else {
242 73 ctx->vlc_codes[index] = ctx->cid_table->ac_codes[j];
243 73 ctx->vlc_bits[index] = ctx->cid_table->ac_bits[j];
244 }
245 384951 break;
246 }
247 }
248
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385024 av_assert0(!alevel || j < 257);
249
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385024 if (offset) {
250 366190 ctx->vlc_codes[index] =
251 366190 (ctx->vlc_codes[index] << ctx->cid_table->index_bits) | offset;
252 366190 ctx->vlc_bits[index] += ctx->cid_table->index_bits;
253 }
254 }
255 }
256
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4599 for (i = 0; i < 62; i++) {
257 4526 int run = ctx->cid_table->run[i];
258
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4526 av_assert0(run < 63);
259 4526 ctx->run_codes[run] = ctx->cid_table->run_codes[i];
260 4526 ctx->run_bits[run] = ctx->cid_table->run_bits[i];
261 }
262 73 return 0;
263 }
264
265 73 static av_cold int dnxhd_init_qmat(DNXHDEncContext *ctx, int lbias, int cbias)
266 {
267 // init first elem to 1 to avoid div by 0 in convert_matrix
268 73 uint16_t weight_matrix[64] = { 1, }; // convert_matrix needs uint16_t*
269 int qscale, i;
270 73 const uint8_t *luma_weight_table = ctx->cid_table->luma_weight;
271 73 const uint8_t *chroma_weight_table = ctx->cid_table->chroma_weight;
272
273
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73 if (!FF_ALLOCZ_TYPED_ARRAY(ctx->qmatrix_l, ctx->m.avctx->qmax + 1) ||
274
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73 !FF_ALLOCZ_TYPED_ARRAY(ctx->qmatrix_c, ctx->m.avctx->qmax + 1) ||
275
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73 !FF_ALLOCZ_TYPED_ARRAY(ctx->qmatrix_l16, ctx->m.avctx->qmax + 1) ||
276
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73 !FF_ALLOCZ_TYPED_ARRAY(ctx->qmatrix_c16, ctx->m.avctx->qmax + 1))
277 return AVERROR(ENOMEM);
278
279
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73 if (ctx->bit_depth == 8) {
280
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4224 for (i = 1; i < 64; i++) {
281 4158 int j = ctx->m.idsp.idct_permutation[ff_zigzag_direct[i]];
282 4158 weight_matrix[j] = ctx->cid_table->luma_weight[i];
283 }
284 66 ff_convert_matrix(&ctx->m, ctx->qmatrix_l, ctx->qmatrix_l16,
285 weight_matrix, ctx->intra_quant_bias, 1,
286 66 ctx->m.avctx->qmax, 1);
287
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4224 for (i = 1; i < 64; i++) {
288 4158 int j = ctx->m.idsp.idct_permutation[ff_zigzag_direct[i]];
289 4158 weight_matrix[j] = ctx->cid_table->chroma_weight[i];
290 }
291 66 ff_convert_matrix(&ctx->m, ctx->qmatrix_c, ctx->qmatrix_c16,
292 weight_matrix, ctx->intra_quant_bias, 1,
293 66 ctx->m.avctx->qmax, 1);
294
295
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42250 for (qscale = 1; qscale <= ctx->m.avctx->qmax; qscale++) {
296
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2741960 for (i = 0; i < 64; i++) {
297 2699776 ctx->qmatrix_l[qscale][i] <<= 2;
298 2699776 ctx->qmatrix_c[qscale][i] <<= 2;
299 2699776 ctx->qmatrix_l16[qscale][0][i] <<= 2;
300 2699776 ctx->qmatrix_l16[qscale][1][i] <<= 2;
301 2699776 ctx->qmatrix_c16[qscale][0][i] <<= 2;
302 2699776 ctx->qmatrix_c16[qscale][1][i] <<= 2;
303 }
304 }
305 } else {
306 // 10-bit
307
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63 for (qscale = 1; qscale <= ctx->m.avctx->qmax; qscale++) {
308
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3584 for (i = 1; i < 64; i++) {
309 3528 int j = ff_zigzag_direct[i];
310
311 /* The quantization formula from the VC-3 standard is:
312 * quantized = sign(block[i]) * floor(abs(block[i]/s) * p /
313 * (qscale * weight_table[i]))
314 * Where p is 32 for 8-bit samples and 8 for 10-bit ones.
315 * The s factor compensates scaling of DCT coefficients done by
316 * the DCT routines, and therefore is not present in standard.
317 * It's 8 for 8-bit samples and 4 for 10-bit ones.
318 * We want values of ctx->qtmatrix_l and ctx->qtmatrix_r to be:
319 * ((1 << DNX10BIT_QMAT_SHIFT) * (p / s)) /
320 * (qscale * weight_table[i])
321 * For 10-bit samples, p / s == 2 */
322 3528 ctx->qmatrix_l[qscale][j] = (1 << (DNX10BIT_QMAT_SHIFT + 1)) /
323 3528 (qscale * luma_weight_table[i]);
324 3528 ctx->qmatrix_c[qscale][j] = (1 << (DNX10BIT_QMAT_SHIFT + 1)) /
325 3528 (qscale * chroma_weight_table[i]);
326 }
327 }
328 }
329
330 73 ctx->m.q_chroma_intra_matrix16 = ctx->qmatrix_c16;
331 73 ctx->m.q_chroma_intra_matrix = ctx->qmatrix_c;
332 73 ctx->m.q_intra_matrix16 = ctx->qmatrix_l16;
333 73 ctx->m.q_intra_matrix = ctx->qmatrix_l;
334
335 73 return 0;
336 }
337
338 73 static av_cold int dnxhd_init_rc(DNXHDEncContext *ctx)
339 {
340
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73 if (!FF_ALLOCZ_TYPED_ARRAY(ctx->mb_rc, (ctx->m.avctx->qmax + 1) * ctx->m.mb_num))
341 return AVERROR(ENOMEM);
342
343
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73 if (ctx->m.avctx->mb_decision != FF_MB_DECISION_RD) {
344
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58 if (!FF_ALLOCZ_TYPED_ARRAY(ctx->mb_cmp, ctx->m.mb_num) ||
345
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58 !FF_ALLOCZ_TYPED_ARRAY(ctx->mb_cmp_tmp, ctx->m.mb_num))
346 return AVERROR(ENOMEM);
347 }
348 73 ctx->frame_bits = (ctx->coding_unit_size -
349 73 ctx->data_offset - 4 - ctx->min_padding) * 8;
350 73 ctx->qscale = 1;
351 73 ctx->lambda = 2 << LAMBDA_FRAC_BITS; // qscale 2
352 73 return 0;
353 }
354
355 73 static av_cold int dnxhd_encode_init(AVCodecContext *avctx)
356 {
357 73 DNXHDEncContext *ctx = avctx->priv_data;
358 int i, ret;
359
360
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73 switch (avctx->pix_fmt) {
361 66 case AV_PIX_FMT_YUV422P:
362 66 ctx->bit_depth = 8;
363 66 break;
364 7 case AV_PIX_FMT_YUV422P10:
365 case AV_PIX_FMT_YUV444P10:
366 case AV_PIX_FMT_GBRP10:
367 7 ctx->bit_depth = 10;
368 7 break;
369 }
370
371
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73 if ((ctx->profile == AV_PROFILE_DNXHR_444 && (avctx->pix_fmt != AV_PIX_FMT_YUV444P10 &&
372 avctx->pix_fmt != AV_PIX_FMT_GBRP10)) ||
373
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73 (ctx->profile != AV_PROFILE_DNXHR_444 && (avctx->pix_fmt == AV_PIX_FMT_YUV444P10 ||
374
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73 avctx->pix_fmt == AV_PIX_FMT_GBRP10))) {
375 av_log(avctx, AV_LOG_ERROR,
376 "pixel format is incompatible with DNxHD profile\n");
377 return AVERROR(EINVAL);
378 }
379
380
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73 if (ctx->profile == AV_PROFILE_DNXHR_HQX && avctx->pix_fmt != AV_PIX_FMT_YUV422P10) {
381 av_log(avctx, AV_LOG_ERROR,
382 "pixel format is incompatible with DNxHR HQX profile\n");
383 return AVERROR(EINVAL);
384 }
385
386
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73 if ((ctx->profile == AV_PROFILE_DNXHR_LB ||
387
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61 ctx->profile == AV_PROFILE_DNXHR_SQ ||
388
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73 ctx->profile == AV_PROFILE_DNXHR_HQ) && avctx->pix_fmt != AV_PIX_FMT_YUV422P) {
389 av_log(avctx, AV_LOG_ERROR,
390 "pixel format is incompatible with DNxHR LB/SQ/HQ profile\n");
391 return AVERROR(EINVAL);
392 }
393
394 73 ctx->is_444 = ctx->profile == AV_PROFILE_DNXHR_444;
395 73 avctx->profile = ctx->profile;
396 73 ctx->cid = ff_dnxhd_find_cid(avctx, ctx->bit_depth);
397
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73 if (!ctx->cid) {
398 av_log(avctx, AV_LOG_ERROR,
399 "video parameters incompatible with DNxHD. Valid DNxHD profiles:\n");
400 ff_dnxhd_print_profiles(avctx, AV_LOG_ERROR);
401 return AVERROR(EINVAL);
402 }
403 73 av_log(avctx, AV_LOG_DEBUG, "cid %d\n", ctx->cid);
404
405
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73 if (ctx->cid >= 1270 && ctx->cid <= 1274)
406 40 avctx->codec_tag = MKTAG('A','V','d','h');
407
408
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73 if (avctx->width < 256 || avctx->height < 120) {
409 av_log(avctx, AV_LOG_ERROR,
410 "Input dimensions too small, input must be at least 256x120\n");
411 return AVERROR(EINVAL);
412 }
413
414 73 ctx->cid_table = ff_dnxhd_get_cid_table(ctx->cid);
415
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73 av_assert0(ctx->cid_table);
416
417 73 ctx->m.avctx = avctx;
418 73 ctx->m.mb_intra = 1;
419 73 ctx->m.h263_aic = 1;
420
421 73 avctx->bits_per_raw_sample = ctx->bit_depth;
422
423 73 ff_blockdsp_init(&ctx->bdsp);
424 73 ff_fdctdsp_init(&ctx->m.fdsp, avctx);
425 73 ff_mpv_idct_init(&ctx->m);
426 73 ff_mpegvideoencdsp_init(&ctx->m.mpvencdsp, avctx);
427 73 ff_pixblockdsp_init(&ctx->m.pdsp, avctx);
428 73 ff_dct_encode_init(&ctx->m);
429
430
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73 if (ctx->profile != AV_PROFILE_DNXHD)
431 40 ff_videodsp_init(&ctx->m.vdsp, ctx->bit_depth);
432
433
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73 if (!ctx->m.dct_quantize)
434 ctx->m.dct_quantize = ff_dct_quantize_c;
435
436
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73 if (ctx->is_444 || ctx->profile == AV_PROFILE_DNXHR_HQX) {
437 ctx->m.dct_quantize = dnxhd_10bit_dct_quantize_444;
438 ctx->get_pixels_8x4_sym = dnxhd_10bit_get_pixels_8x4_sym;
439 ctx->block_width_l2 = 4;
440
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73 } else if (ctx->bit_depth == 10) {
441 7 ctx->m.dct_quantize = dnxhd_10bit_dct_quantize;
442 7 ctx->get_pixels_8x4_sym = dnxhd_10bit_get_pixels_8x4_sym;
443 7 ctx->block_width_l2 = 4;
444 } else {
445 66 ctx->get_pixels_8x4_sym = dnxhd_8bit_get_pixels_8x4_sym;
446 66 ctx->block_width_l2 = 3;
447 }
448
449 73 ff_dnxhdenc_init(ctx);
450
451 73 ctx->m.mb_height = (avctx->height + 15) / 16;
452 73 ctx->m.mb_width = (avctx->width + 15) / 16;
453
454
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73 if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
455 11 ctx->interlaced = 1;
456 11 ctx->m.mb_height /= 2;
457 }
458
459
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73 if (ctx->interlaced && ctx->profile != AV_PROFILE_DNXHD) {
460 av_log(avctx, AV_LOG_ERROR,
461 "Interlaced encoding is not supported for DNxHR profiles.\n");
462 return AVERROR(EINVAL);
463 }
464
465 73 ctx->m.mb_num = ctx->m.mb_height * ctx->m.mb_width;
466
467
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73 if (ctx->cid_table->frame_size == DNXHD_VARIABLE) {
468 40 ctx->frame_size = ff_dnxhd_get_hr_frame_size(ctx->cid,
469 avctx->width, avctx->height);
470
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40 av_assert0(ctx->frame_size >= 0);
471 40 ctx->coding_unit_size = ctx->frame_size;
472 } else {
473 33 ctx->frame_size = ctx->cid_table->frame_size;
474 33 ctx->coding_unit_size = ctx->cid_table->coding_unit_size;
475 }
476
477
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73 if (ctx->m.mb_height > 68)
478 12 ctx->data_offset = 0x170 + (ctx->m.mb_height << 2);
479 else
480 61 ctx->data_offset = 0x280;
481
482 // XXX tune lbias/cbias
483
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73 if ((ret = dnxhd_init_qmat(ctx, ctx->intra_quant_bias, 0)) < 0)
484 return ret;
485
486 /* Avid Nitris hardware decoder requires a minimum amount of padding
487 * in the coding unit payload */
488
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73 if (ctx->nitris_compat)
489 ctx->min_padding = 1600;
490
491
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73 if ((ret = dnxhd_init_vlc(ctx)) < 0)
492 return ret;
493
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73 if ((ret = dnxhd_init_rc(ctx)) < 0)
494 return ret;
495
496
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73 if (!FF_ALLOCZ_TYPED_ARRAY(ctx->slice_size, ctx->m.mb_height) ||
497
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73 !FF_ALLOCZ_TYPED_ARRAY(ctx->slice_offs, ctx->m.mb_height) ||
498
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73 !FF_ALLOCZ_TYPED_ARRAY(ctx->mb_bits, ctx->m.mb_num) ||
499
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73 !FF_ALLOCZ_TYPED_ARRAY(ctx->mb_qscale, ctx->m.mb_num))
500 return AVERROR(ENOMEM);
501
502
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73 if (avctx->active_thread_type == FF_THREAD_SLICE) {
503 if (avctx->thread_count > MAX_THREADS) {
504 av_log(avctx, AV_LOG_ERROR, "too many threads\n");
505 return AVERROR(EINVAL);
506 }
507 }
508
509
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73 if (avctx->qmax <= 1) {
510 av_log(avctx, AV_LOG_ERROR, "qmax must be at least 2\n");
511 return AVERROR(EINVAL);
512 }
513
514 73 ctx->thread[0] = ctx;
515
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73 if (avctx->active_thread_type == FF_THREAD_SLICE) {
516 for (i = 1; i < avctx->thread_count; i++) {
517 ctx->thread[i] = av_memdup(ctx, sizeof(DNXHDEncContext));
518 if (!ctx->thread[i])
519 return AVERROR(ENOMEM);
520 }
521 }
522
523 73 return 0;
524 }
525
526 380 static int dnxhd_write_header(AVCodecContext *avctx, uint8_t *buf)
527 {
528 380 DNXHDEncContext *ctx = avctx->priv_data;
529
530 380 memset(buf, 0, ctx->data_offset);
531
532 // * write prefix */
533 380 AV_WB16(buf + 0x02, ctx->data_offset);
534
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380 if (ctx->cid >= 1270 && ctx->cid <= 1274)
535 200 buf[4] = 0x03;
536 else
537 180 buf[4] = 0x01;
538
539
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380 buf[5] = ctx->interlaced ? ctx->cur_field + 2 : 0x01;
540 380 buf[6] = 0x80; // crc flag off
541 380 buf[7] = 0xa0; // reserved
542 380 AV_WB16(buf + 0x18, avctx->height >> ctx->interlaced); // ALPF
543 380 AV_WB16(buf + 0x1a, avctx->width); // SPL
544 380 AV_WB16(buf + 0x1d, avctx->height >> ctx->interlaced); // NAL
545
546
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380 buf[0x21] = ctx->bit_depth == 10 ? 0x58 : 0x38;
547 380 buf[0x22] = 0x88 + (ctx->interlaced << 2);
548 380 AV_WB32(buf + 0x28, ctx->cid); // CID
549
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380 buf[0x2c] = (!ctx->interlaced << 7) | (ctx->is_444 << 6) | (avctx->pix_fmt == AV_PIX_FMT_YUV444P10);
550
551 380 buf[0x5f] = 0x01; // UDL
552
553 380 buf[0x167] = 0x02; // reserved
554 380 AV_WB16(buf + 0x16a, ctx->m.mb_height * 4 + 4); // MSIPS
555 380 AV_WB16(buf + 0x16c, ctx->m.mb_height); // Ns
556 380 buf[0x16f] = 0x10; // reserved
557
558 380 ctx->msip = buf + 0x170;
559 380 return 0;
560 }
561
562 26918560 static av_always_inline void dnxhd_encode_dc(DNXHDEncContext *ctx, int diff)
563 {
564 int nbits;
565
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26918560 if (diff < 0) {
566 12317800 nbits = av_log2_16bit(-2 * diff);
567 12317800 diff--;
568 } else {
569 14600760 nbits = av_log2_16bit(2 * diff);
570 }
571 26918560 put_bits(&ctx->m.pb, ctx->cid_table->dc_bits[nbits] + nbits,
572 26918560 (ctx->cid_table->dc_codes[nbits] << nbits) +
573 26918560 av_mod_uintp2(diff, nbits));
574 26918560 }
575
576 static av_always_inline
577 26918560 void dnxhd_encode_block(DNXHDEncContext *ctx, int16_t *block,
578 int last_index, int n)
579 {
580 26918560 int last_non_zero = 0;
581 int slevel, i, j;
582
583 26918560 dnxhd_encode_dc(ctx, block[0] - ctx->m.last_dc[n]);
584 26918560 ctx->m.last_dc[n] = block[0];
585
586
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323734095 for (i = 1; i <= last_index; i++) {
587 296815535 j = ctx->m.intra_scantable.permutated[i];
588 296815535 slevel = block[j];
589
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296815535 if (slevel) {
590 111020901 int run_level = i - last_non_zero - 1;
591 111020901 int rlevel = slevel * (1 << 1) | !!run_level;
592 111020901 put_bits(&ctx->m.pb, ctx->vlc_bits[rlevel], ctx->vlc_codes[rlevel]);
593
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111020901 if (run_level)
594 36001883 put_bits(&ctx->m.pb, ctx->run_bits[run_level],
595 36001883 ctx->run_codes[run_level]);
596 111020901 last_non_zero = i;
597 }
598 }
599 26918560 put_bits(&ctx->m.pb, ctx->vlc_bits[0], ctx->vlc_codes[0]); // EOB
600 26918560 }
601
602 static av_always_inline
603 3024000 void dnxhd_unquantize_c(DNXHDEncContext *ctx, int16_t *block, int n,
604 int qscale, int last_index)
605 {
606 const uint8_t *weight_matrix;
607 int level;
608 int i;
609
610
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3024000 if (ctx->is_444) {
611 weight_matrix = ((n % 6) < 2) ? ctx->cid_table->luma_weight
612 : ctx->cid_table->chroma_weight;
613 } else {
614 3024000 weight_matrix = (n & 2) ? ctx->cid_table->chroma_weight
615
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3024000 : ctx->cid_table->luma_weight;
616 }
617
618
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35797315 for (i = 1; i <= last_index; i++) {
619 32773315 int j = ctx->m.intra_scantable.permutated[i];
620 32773315 level = block[j];
621
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32773315 if (level) {
622
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16774641 if (level < 0) {
623 8458215 level = (1 - 2 * level) * qscale * weight_matrix[i];
624
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8458215 if (ctx->bit_depth == 10) {
625 if (weight_matrix[i] != 8)
626 level += 8;
627 level >>= 4;
628 } else {
629
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8458215 if (weight_matrix[i] != 32)
630 6479585 level += 32;
631 8458215 level >>= 6;
632 }
633 8458215 level = -level;
634 } else {
635 8316426 level = (2 * level + 1) * qscale * weight_matrix[i];
636
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8316426 if (ctx->bit_depth == 10) {
637 if (weight_matrix[i] != 8)
638 level += 8;
639 level >>= 4;
640 } else {
641
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8316426 if (weight_matrix[i] != 32)
642 6813970 level += 32;
643 8316426 level >>= 6;
644 }
645 }
646 16774641 block[j] = level;
647 }
648 }
649 3024000 }
650
651 3024000 static av_always_inline int dnxhd_ssd_block(int16_t *qblock, int16_t *block)
652 {
653 3024000 int score = 0;
654 int i;
655
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196560000 for (i = 0; i < 64; i++)
656 193536000 score += (block[i] - qblock[i]) * (block[i] - qblock[i]);
657 3024000 return score;
658 }
659
660 static av_always_inline
661 51881432 int dnxhd_calc_ac_bits(DNXHDEncContext *ctx, int16_t *block, int last_index)
662 {
663 51881432 int last_non_zero = 0;
664 51881432 int bits = 0;
665 int i, j, level;
666
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515019637 for (i = 1; i <= last_index; i++) {
667 463138205 j = ctx->m.intra_scantable.permutated[i];
668 463138205 level = block[j];
669
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463138205 if (level) {
670 191817206 int run_level = i - last_non_zero - 1;
671 191817206 bits += ctx->vlc_bits[level * (1 << 1) |
672 191817206 !!run_level] + ctx->run_bits[run_level];
673 191817206 last_non_zero = i;
674 }
675 }
676 51881432 return bits;
677 }
678
679 static av_always_inline
680 9849999 void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y)
681 {
682 9849999 const int bs = ctx->block_width_l2;
683 9849999 const int bw = 1 << bs;
684 9849999 int dct_y_offset = ctx->dct_y_offset;
685 9849999 int dct_uv_offset = ctx->dct_uv_offset;
686 9849999 int linesize = ctx->m.linesize;
687 9849999 int uvlinesize = ctx->m.uvlinesize;
688 9849999 const uint8_t *ptr_y = ctx->thread[0]->src[0] +
689 9849999 ((mb_y << 4) * ctx->m.linesize) + (mb_x << bs + 1);
690 9849999 const uint8_t *ptr_u = ctx->thread[0]->src[1] +
691 9849999 ((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << bs + ctx->is_444);
692 9849999 const uint8_t *ptr_v = ctx->thread[0]->src[2] +
693 9849999 ((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << bs + ctx->is_444);
694 9849999 PixblockDSPContext *pdsp = &ctx->m.pdsp;
695 9849999 VideoDSPContext *vdsp = &ctx->m.vdsp;
696
697
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9849999 if (ctx->bit_depth != 10 && vdsp->emulated_edge_mc && ((mb_x << 4) + 16 > ctx->m.avctx->width ||
698
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7203152 (mb_y << 4) + 16 > ctx->m.avctx->height)) {
699 22511 int y_w = ctx->m.avctx->width - (mb_x << 4);
700 22511 int y_h = ctx->m.avctx->height - (mb_y << 4);
701 22511 int uv_w = (y_w + 1) / 2;
702 22511 int uv_h = y_h;
703 22511 linesize = 16;
704 22511 uvlinesize = 8;
705
706 22511 vdsp->emulated_edge_mc(&ctx->edge_buf_y[0], ptr_y,
707 linesize, ctx->m.linesize,
708 linesize, 16,
709 0, 0, y_w, y_h);
710 22511 vdsp->emulated_edge_mc(&ctx->edge_buf_uv[0][0], ptr_u,
711 uvlinesize, ctx->m.uvlinesize,
712 uvlinesize, 16,
713 0, 0, uv_w, uv_h);
714 22511 vdsp->emulated_edge_mc(&ctx->edge_buf_uv[1][0], ptr_v,
715 uvlinesize, ctx->m.uvlinesize,
716 uvlinesize, 16,
717 0, 0, uv_w, uv_h);
718
719 22511 dct_y_offset = bw * linesize;
720 22511 dct_uv_offset = bw * uvlinesize;
721 22511 ptr_y = &ctx->edge_buf_y[0];
722 22511 ptr_u = &ctx->edge_buf_uv[0][0];
723 22511 ptr_v = &ctx->edge_buf_uv[1][0];
724
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9827488 } else if (ctx->bit_depth == 10 && vdsp->emulated_edge_mc && ((mb_x << 4) + 16 > ctx->m.avctx->width ||
725 (mb_y << 4) + 16 > ctx->m.avctx->height)) {
726 int y_w = ctx->m.avctx->width - (mb_x << 4);
727 int y_h = ctx->m.avctx->height - (mb_y << 4);
728 int uv_w = ctx->is_444 ? y_w : (y_w + 1) / 2;
729 int uv_h = y_h;
730 linesize = 32;
731 uvlinesize = 16 + 16 * ctx->is_444;
732
733 vdsp->emulated_edge_mc(&ctx->edge_buf_y[0], ptr_y,
734 linesize, ctx->m.linesize,
735 linesize / 2, 16,
736 0, 0, y_w, y_h);
737 vdsp->emulated_edge_mc(&ctx->edge_buf_uv[0][0], ptr_u,
738 uvlinesize, ctx->m.uvlinesize,
739 uvlinesize / 2, 16,
740 0, 0, uv_w, uv_h);
741 vdsp->emulated_edge_mc(&ctx->edge_buf_uv[1][0], ptr_v,
742 uvlinesize, ctx->m.uvlinesize,
743 uvlinesize / 2, 16,
744 0, 0, uv_w, uv_h);
745
746 dct_y_offset = bw * linesize / 2;
747 dct_uv_offset = bw * uvlinesize / 2;
748 ptr_y = &ctx->edge_buf_y[0];
749 ptr_u = &ctx->edge_buf_uv[0][0];
750 ptr_v = &ctx->edge_buf_uv[1][0];
751 }
752
753
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9849999 if (!ctx->is_444) {
754 9849999 pdsp->get_pixels(ctx->blocks[0], ptr_y, linesize);
755 9849999 pdsp->get_pixels(ctx->blocks[1], ptr_y + bw, linesize);
756 9849999 pdsp->get_pixels(ctx->blocks[2], ptr_u, uvlinesize);
757 9849999 pdsp->get_pixels(ctx->blocks[3], ptr_v, uvlinesize);
758
759
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9849999 if (mb_y + 1 == ctx->m.mb_height && ctx->m.avctx->height == 1080) {
760
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56560 if (ctx->interlaced) {
761 35280 ctx->get_pixels_8x4_sym(ctx->blocks[4],
762 ptr_y + dct_y_offset,
763 linesize);
764 35280 ctx->get_pixels_8x4_sym(ctx->blocks[5],
765 35280 ptr_y + dct_y_offset + bw,
766 linesize);
767 35280 ctx->get_pixels_8x4_sym(ctx->blocks[6],
768 ptr_u + dct_uv_offset,
769 uvlinesize);
770 35280 ctx->get_pixels_8x4_sym(ctx->blocks[7],
771 ptr_v + dct_uv_offset,
772 uvlinesize);
773 } else {
774 21280 ctx->bdsp.clear_block(ctx->blocks[4]);
775 21280 ctx->bdsp.clear_block(ctx->blocks[5]);
776 21280 ctx->bdsp.clear_block(ctx->blocks[6]);
777 21280 ctx->bdsp.clear_block(ctx->blocks[7]);
778 }
779 } else {
780 9793439 pdsp->get_pixels(ctx->blocks[4],
781 ptr_y + dct_y_offset, linesize);
782 9793439 pdsp->get_pixels(ctx->blocks[5],
783 9793439 ptr_y + dct_y_offset + bw, linesize);
784 9793439 pdsp->get_pixels(ctx->blocks[6],
785 ptr_u + dct_uv_offset, uvlinesize);
786 9793439 pdsp->get_pixels(ctx->blocks[7],
787 ptr_v + dct_uv_offset, uvlinesize);
788 }
789 } else {
790 pdsp->get_pixels(ctx->blocks[0], ptr_y, linesize);
791 pdsp->get_pixels(ctx->blocks[1], ptr_y + bw, linesize);
792 pdsp->get_pixels(ctx->blocks[6], ptr_y + dct_y_offset, linesize);
793 pdsp->get_pixels(ctx->blocks[7], ptr_y + dct_y_offset + bw, linesize);
794
795 pdsp->get_pixels(ctx->blocks[2], ptr_u, uvlinesize);
796 pdsp->get_pixels(ctx->blocks[3], ptr_u + bw, uvlinesize);
797 pdsp->get_pixels(ctx->blocks[8], ptr_u + dct_uv_offset, uvlinesize);
798 pdsp->get_pixels(ctx->blocks[9], ptr_u + dct_uv_offset + bw, uvlinesize);
799
800 pdsp->get_pixels(ctx->blocks[4], ptr_v, uvlinesize);
801 pdsp->get_pixels(ctx->blocks[5], ptr_v + bw, uvlinesize);
802 pdsp->get_pixels(ctx->blocks[10], ptr_v + dct_uv_offset, uvlinesize);
803 pdsp->get_pixels(ctx->blocks[11], ptr_v + dct_uv_offset + bw, uvlinesize);
804 }
805 9849999 }
806
807 static av_always_inline
808 78799992 int dnxhd_switch_matrix(DNXHDEncContext *ctx, int i)
809 {
810 int x;
811
812
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78799992 if (ctx->is_444) {
813 x = (i >> 1) % 3;
814 } else {
815 const static uint8_t component[8]={0,0,1,2,0,0,1,2};
816 78799992 x = component[i];
817 }
818 78799992 return x;
819 }
820
821 41557 static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg,
822 int jobnr, int threadnr)
823 {
824 41557 DNXHDEncContext *ctx = avctx->priv_data;
825 41557 int mb_y = jobnr, mb_x;
826 41557 int qscale = ctx->qscale;
827 41557 LOCAL_ALIGNED_16(int16_t, block, [64]);
828 41557 ctx = ctx->thread[threadnr];
829
830 41557 ctx->m.last_dc[0] =
831 41557 ctx->m.last_dc[1] =
832 41557 ctx->m.last_dc[2] = 1 << (ctx->bit_depth + 2);
833
834
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6526736 for (mb_x = 0; mb_x < ctx->m.mb_width; mb_x++) {
835 6485179 unsigned mb = mb_y * ctx->m.mb_width + mb_x;
836 6485179 int ssd = 0;
837 6485179 int ac_bits = 0;
838 6485179 int dc_bits = 0;
839 int i;
840
841 6485179 dnxhd_get_blocks(ctx, mb_x, mb_y);
842
843
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58366611 for (i = 0; i < 8 + 4 * ctx->is_444; i++) {
844 51881432 int16_t *src_block = ctx->blocks[i];
845 int overflow, nbits, diff, last_index;
846 51881432 int n = dnxhd_switch_matrix(ctx, i);
847
848 51881432 memcpy(block, src_block, 64 * sizeof(*block));
849 51881432 last_index = ctx->m.dct_quantize(&ctx->m, block,
850
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51881432 ctx->is_444 ? 4 * (n > 0): 4 & (2*i),
851 qscale, &overflow);
852 51881432 ac_bits += dnxhd_calc_ac_bits(ctx, block, last_index);
853
854 51881432 diff = block[0] - ctx->m.last_dc[n];
855
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51881432 if (diff < 0)
856 23766663 nbits = av_log2_16bit(-2 * diff);
857 else
858 28114769 nbits = av_log2_16bit(2 * diff);
859
860 av_assert1(nbits < ctx->bit_depth + 4);
861 51881432 dc_bits += ctx->cid_table->dc_bits[nbits] + nbits;
862
863 51881432 ctx->m.last_dc[n] = block[0];
864
865
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51881432 if (avctx->mb_decision == FF_MB_DECISION_RD || !RC_VARIANCE) {
866 3024000 dnxhd_unquantize_c(ctx, block, i, qscale, last_index);
867 3024000 ctx->m.idsp.idct(block);
868 3024000 ssd += dnxhd_ssd_block(block, src_block);
869 }
870 }
871 6485179 ctx->mb_rc[(qscale * ctx->m.mb_num) + mb].ssd = ssd;
872 6485179 ctx->mb_rc[(qscale * ctx->m.mb_num) + mb].bits = ac_bits + dc_bits + 12 +
873 6485179 (1 + ctx->is_444) * 8 * ctx->vlc_bits[0];
874 }
875 41557 return 0;
876 }
877
878 20765 static int dnxhd_encode_thread(AVCodecContext *avctx, void *arg,
879 int jobnr, int threadnr)
880 {
881 20765 DNXHDEncContext *ctx = avctx->priv_data;
882 20765 int mb_y = jobnr, mb_x;
883 20765 ctx = ctx->thread[threadnr];
884 20765 init_put_bits(&ctx->m.pb, (uint8_t *)arg + ctx->data_offset + ctx->slice_offs[jobnr],
885 20765 ctx->slice_size[jobnr]);
886
887 20765 ctx->m.last_dc[0] =
888 20765 ctx->m.last_dc[1] =
889 20765 ctx->m.last_dc[2] = 1 << (ctx->bit_depth + 2);
890
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3385585 for (mb_x = 0; mb_x < ctx->m.mb_width; mb_x++) {
891 3364820 unsigned mb = mb_y * ctx->m.mb_width + mb_x;
892 3364820 int qscale = ctx->mb_qscale[mb];
893 int i;
894
895 3364820 put_bits(&ctx->m.pb, 11, qscale);
896 3364820 put_bits(&ctx->m.pb, 1, avctx->pix_fmt == AV_PIX_FMT_YUV444P10);
897
898 3364820 dnxhd_get_blocks(ctx, mb_x, mb_y);
899
900
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30283380 for (i = 0; i < 8 + 4 * ctx->is_444; i++) {
901 26918560 int16_t *block = ctx->blocks[i];
902 26918560 int overflow, n = dnxhd_switch_matrix(ctx, i);
903 26918560 int last_index = ctx->m.dct_quantize(&ctx->m, block,
904
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26918560 ctx->is_444 ? (((i >> 1) % 3) < 1 ? 0 : 4): 4 & (2*i),
905 qscale, &overflow);
906
907 26918560 dnxhd_encode_block(ctx, block, last_index, n);
908 }
909 }
910
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20765 if (put_bits_count(&ctx->m.pb) & 31)
911 20141 put_bits(&ctx->m.pb, 32 - (put_bits_count(&ctx->m.pb) & 31), 0);
912 20765 flush_put_bits(&ctx->m.pb);
913 20765 memset(put_bits_ptr(&ctx->m.pb), 0, put_bytes_left(&ctx->m.pb, 0));
914 20765 return 0;
915 }
916
917 380 static void dnxhd_setup_threads_slices(DNXHDEncContext *ctx)
918 {
919 int mb_y, mb_x;
920 380 int offset = 0;
921
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21145 for (mb_y = 0; mb_y < ctx->m.mb_height; mb_y++) {
922 int thread_size;
923 20765 ctx->slice_offs[mb_y] = offset;
924 20765 ctx->slice_size[mb_y] = 0;
925
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3385585 for (mb_x = 0; mb_x < ctx->m.mb_width; mb_x++) {
926 3364820 unsigned mb = mb_y * ctx->m.mb_width + mb_x;
927 3364820 ctx->slice_size[mb_y] += ctx->mb_bits[mb];
928 }
929 20765 ctx->slice_size[mb_y] = (ctx->slice_size[mb_y] + 31U) & ~31U;
930 20765 ctx->slice_size[mb_y] >>= 3;
931 20765 thread_size = ctx->slice_size[mb_y];
932 20765 offset += thread_size;
933 }
934 380 }
935
936 11520 static int dnxhd_mb_var_thread(AVCodecContext *avctx, void *arg,
937 int jobnr, int threadnr)
938 {
939 11520 DNXHDEncContext *ctx = avctx->priv_data;
940 11520 int mb_y = jobnr, mb_x, x, y;
941
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11740 int partial_last_row = (mb_y == ctx->m.mb_height - 1) &&
942
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220 ((avctx->height >> ctx->interlaced) & 0xF);
943
944 11520 ctx = ctx->thread[threadnr];
945
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11520 if (ctx->bit_depth == 8) {
946 10955 const uint8_t *pix = ctx->thread[0]->src[0] + ((mb_y << 4) * ctx->m.linesize);
947
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1930655 for (mb_x = 0; mb_x < ctx->m.mb_width; ++mb_x, pix += 16) {
948 1919700 unsigned mb = mb_y * ctx->m.mb_width + mb_x;
949 int sum;
950 int varc;
951
952
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1919700 if (!partial_last_row && mb_x * 16 <= avctx->width - 16 && (avctx->width % 16) == 0) {
953 1901720 sum = ctx->m.mpvencdsp.pix_sum(pix, ctx->m.linesize);
954 1901720 varc = ctx->m.mpvencdsp.pix_norm1(pix, ctx->m.linesize);
955 } else {
956 17980 int bw = FFMIN(avctx->width - 16 * mb_x, 16);
957 17980 int bh = FFMIN((avctx->height >> ctx->interlaced) - 16 * mb_y, 16);
958 17980 sum = varc = 0;
959
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244175 for (y = 0; y < bh; y++) {
960
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3800030 for (x = 0; x < bw; x++) {
961 3573835 uint8_t val = pix[x + y * ctx->m.linesize];
962 3573835 sum += val;
963 3573835 varc += val * val;
964 }
965 }
966 }
967 1919700 varc = (varc - (((unsigned) sum * sum) >> 8) + 128) >> 8;
968
969 1919700 ctx->mb_cmp[mb].value = varc;
970 1919700 ctx->mb_cmp[mb].mb = mb;
971 }
972 } else { // 10-bit
973 565 const int linesize = ctx->m.linesize >> 1;
974
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59365 for (mb_x = 0; mb_x < ctx->m.mb_width; ++mb_x) {
975 58800 const uint16_t *pix = (const uint16_t *)ctx->thread[0]->src[0] +
976 58800 ((mb_y << 4) * linesize) + (mb_x << 4);
977 58800 unsigned mb = mb_y * ctx->m.mb_width + mb_x;
978 58800 int sum = 0;
979 58800 int sqsum = 0;
980 58800 int bw = FFMIN(avctx->width - 16 * mb_x, 16);
981 58800 int bh = FFMIN((avctx->height >> ctx->interlaced) - 16 * mb_y, 16);
982 int mean, sqmean;
983 int i, j;
984 // Macroblocks are 16x16 pixels, unlike DCT blocks which are 8x8.
985
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994800 for (i = 0; i < bh; ++i) {
986
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15912000 for (j = 0; j < bw; ++j) {
987 // Turn 16-bit pixels into 10-bit ones.
988 14976000 const int sample = (unsigned) pix[j] >> 6;
989 14976000 sum += sample;
990 14976000 sqsum += sample * sample;
991 // 2^10 * 2^10 * 16 * 16 = 2^28, which is less than INT_MAX
992 }
993 936000 pix += linesize;
994 }
995 58800 mean = sum >> 8; // 16*16 == 2^8
996 58800 sqmean = sqsum >> 8;
997 58800 ctx->mb_cmp[mb].value = sqmean - mean * mean;
998 58800 ctx->mb_cmp[mb].mb = mb;
999 }
1000 }
1001 11520 return 0;
1002 }
1003
1004 15 static int dnxhd_encode_rdo(AVCodecContext *avctx, DNXHDEncContext *ctx)
1005 {
1006 int lambda, up_step, down_step;
1007 15 int last_lower = INT_MAX, last_higher = 0;
1008 int x, y, q;
1009
1010
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120 for (q = 1; q < avctx->qmax; q++) {
1011 105 ctx->qscale = q;
1012 105 avctx->execute2(avctx, dnxhd_calc_bits_thread,
1013 NULL, NULL, ctx->m.mb_height);
1014 }
1015 15 up_step = down_step = 2 << LAMBDA_FRAC_BITS;
1016 15 lambda = ctx->lambda;
1017
1018 73 for (;;) {
1019 88 int bits = 0;
1020 88 int end = 0;
1021
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88 if (lambda == last_higher) {
1022 5 lambda++;
1023 5 end = 1; // need to set final qscales/bits
1024 }
1025
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4010 for (y = 0; y < ctx->m.mb_height; y++) {
1026
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319788 for (x = 0; x < ctx->m.mb_width; x++) {
1027 315840 unsigned min = UINT_MAX;
1028 315840 int qscale = 1;
1029 315840 int mb = y * ctx->m.mb_width + x;
1030 315840 int rc = 0;
1031
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2526720 for (q = 1; q < avctx->qmax; q++) {
1032 2210880 int i = (q*ctx->m.mb_num) + mb;
1033 2210880 unsigned score = ctx->mb_rc[i].bits * lambda +
1034 2210880 ((unsigned) ctx->mb_rc[i].ssd << LAMBDA_FRAC_BITS);
1035
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2210880 if (score < min) {
1036 532538 min = score;
1037 532538 qscale = q;
1038 532538 rc = i;
1039 }
1040 }
1041 315840 bits += ctx->mb_rc[rc].bits;
1042 315840 ctx->mb_qscale[mb] = qscale;
1043 315840 ctx->mb_bits[mb] = ctx->mb_rc[rc].bits;
1044 }
1045 3948 bits = (bits + 31) & ~31; // padding
1046
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3948 if (bits > ctx->frame_bits)
1047 26 break;
1048 }
1049
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88 if (end) {
1050
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5 if (bits > ctx->frame_bits)
1051 return AVERROR(EINVAL);
1052 5 break;
1053 }
1054
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83 if (bits < ctx->frame_bits) {
1055 57 last_lower = FFMIN(lambda, last_lower);
1056
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57 if (last_higher != 0)
1057 35 lambda = (lambda+last_higher)>>1;
1058 else
1059 22 lambda -= down_step;
1060 57 down_step = FFMIN((int64_t)down_step*5, INT_MAX);
1061 57 up_step = 1<<LAMBDA_FRAC_BITS;
1062 57 lambda = FFMAX(1, lambda);
1063
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57 if (lambda == last_lower)
1064 10 break;
1065 } else {
1066 26 last_higher = FFMAX(lambda, last_higher);
1067
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26 if (last_lower != INT_MAX)
1068 25 lambda = (lambda+last_lower)>>1;
1069
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1 else if ((int64_t)lambda + up_step > INT_MAX)
1070 return AVERROR(EINVAL);
1071 else
1072 1 lambda += up_step;
1073 26 up_step = FFMIN((int64_t)up_step*5, INT_MAX);
1074 26 down_step = 1<<LAMBDA_FRAC_BITS;
1075 }
1076 }
1077 15 ctx->lambda = lambda;
1078 15 return 0;
1079 }
1080
1081 365 static int dnxhd_find_qscale(DNXHDEncContext *ctx)
1082 {
1083 365 int bits = 0;
1084 365 int up_step = 1;
1085 365 int down_step = 1;
1086 365 int last_higher = 0;
1087 365 int last_lower = INT_MAX;
1088 int qscale;
1089 int x, y;
1090
1091 365 qscale = ctx->qscale;
1092 for (;;) {
1093 691 bits = 0;
1094 691 ctx->qscale = qscale;
1095 // XXX avoid recalculating bits
1096 691 ctx->m.avctx->execute2(ctx->m.avctx, dnxhd_calc_bits_thread,
1097 NULL, NULL, ctx->m.mb_height);
1098
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35231 for (y = 0; y < ctx->m.mb_height; y++) {
1099
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5794959 for (x = 0; x < ctx->m.mb_width; x++)
1100 5760121 bits += ctx->mb_rc[(qscale*ctx->m.mb_num) + (y*ctx->m.mb_width+x)].bits;
1101 34838 bits = (bits+31)&~31; // padding
1102
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34838 if (bits > ctx->frame_bits)
1103 298 break;
1104 }
1105
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691 if (bits < ctx->frame_bits) {
1106
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393 if (qscale == 1)
1107 145 return 1;
1108
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248 if (last_higher == qscale - 1) {
1109 195 qscale = last_higher;
1110 195 break;
1111 }
1112 53 last_lower = FFMIN(qscale, last_lower);
1113
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53 if (last_higher != 0)
1114 38 qscale = (qscale + last_higher) >> 1;
1115 else
1116 15 qscale -= down_step++;
1117
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53 if (qscale < 1)
1118 qscale = 1;
1119 53 up_step = 1;
1120 } else {
1121
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298 if (last_lower == qscale + 1)
1122 25 break;
1123 273 last_higher = FFMAX(qscale, last_higher);
1124
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273 if (last_lower != INT_MAX)
1125 5 qscale = (qscale + last_lower) >> 1;
1126 else
1127 268 qscale += up_step++;
1128 273 down_step = 1;
1129
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273 if (qscale >= ctx->m.avctx->qmax)
1130 return AVERROR(EINVAL);
1131 }
1132 }
1133 220 ctx->qscale = qscale;
1134 220 return 0;
1135 }
1136
1137 #define BUCKET_BITS 8
1138 #define RADIX_PASSES 4
1139 #define NBUCKETS (1 << BUCKET_BITS)
1140
1141 11871000 static inline int get_bucket(int value, int shift)
1142 {
1143 11871000 value >>= shift;
1144 11871000 value &= NBUCKETS - 1;
1145 11871000 return NBUCKETS - 1 - value;
1146 }
1147
1148 220 static void radix_count(const RCCMPEntry *data, int size,
1149 int buckets[RADIX_PASSES][NBUCKETS])
1150 {
1151 int i, j;
1152 220 memset(buckets, 0, sizeof(buckets[0][0]) * RADIX_PASSES * NBUCKETS);
1153
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1978720 for (i = 0; i < size; i++) {
1154 1978500 int v = data[i].value;
1155
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9892500 for (j = 0; j < RADIX_PASSES; j++) {
1156 7914000 buckets[j][get_bucket(v, 0)]++;
1157 7914000 v >>= BUCKET_BITS;
1158 }
1159 av_assert1(!v);
1160 }
1161
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1100 for (j = 0; j < RADIX_PASSES; j++) {
1162 880 int offset = size;
1163
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226160 for (i = NBUCKETS - 1; i >= 0; i--)
1164 225280 buckets[j][i] = offset -= buckets[j][i];
1165 av_assert1(!buckets[j][0]);
1166 }
1167 220 }
1168
1169 440 static void radix_sort_pass(RCCMPEntry *dst, const RCCMPEntry *data,
1170 int size, int buckets[NBUCKETS], int pass)
1171 {
1172 440 int shift = pass * BUCKET_BITS;
1173 int i;
1174
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3957440 for (i = 0; i < size; i++) {
1175 3957000 int v = get_bucket(data[i].value, shift);
1176 3957000 int pos = buckets[v]++;
1177 3957000 dst[pos] = data[i];
1178 }
1179 440 }
1180
1181 220 static void radix_sort(RCCMPEntry *data, RCCMPEntry *tmp, int size)
1182 {
1183 int buckets[RADIX_PASSES][NBUCKETS];
1184 220 radix_count(data, size, buckets);
1185 220 radix_sort_pass(tmp, data, size, buckets[0], 0);
1186 220 radix_sort_pass(data, tmp, size, buckets[1], 1);
1187
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220 if (buckets[2][NBUCKETS - 1] || buckets[3][NBUCKETS - 1]) {
1188 radix_sort_pass(tmp, data, size, buckets[2], 2);
1189 radix_sort_pass(data, tmp, size, buckets[3], 3);
1190 }
1191 220 }
1192
1193 365 static int dnxhd_encode_fast(AVCodecContext *avctx, DNXHDEncContext *ctx)
1194 {
1195 365 int max_bits = 0;
1196 int ret, x, y;
1197
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365 if ((ret = dnxhd_find_qscale(ctx)) < 0)
1198 return ret;
1199
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20455 for (y = 0; y < ctx->m.mb_height; y++) {
1200
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3330910 for (x = 0; x < ctx->m.mb_width; x++) {
1201 3310820 int mb = y * ctx->m.mb_width + x;
1202 3310820 int rc = (ctx->qscale * ctx->m.mb_num ) + mb;
1203 int delta_bits;
1204 3310820 ctx->mb_qscale[mb] = ctx->qscale;
1205 3310820 ctx->mb_bits[mb] = ctx->mb_rc[rc].bits;
1206 3310820 max_bits += ctx->mb_rc[rc].bits;
1207 if (!RC_VARIANCE) {
1208 delta_bits = ctx->mb_rc[rc].bits -
1209 ctx->mb_rc[rc + ctx->m.mb_num].bits;
1210 ctx->mb_cmp[mb].mb = mb;
1211 ctx->mb_cmp[mb].value =
1212 delta_bits ? ((ctx->mb_rc[rc].ssd -
1213 ctx->mb_rc[rc + ctx->m.mb_num].ssd) * 100) /
1214 delta_bits
1215 : INT_MIN; // avoid increasing qscale
1216 }
1217 }
1218 20090 max_bits += 31; // worst padding
1219 }
1220
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365 if (!ret) {
1221 if (RC_VARIANCE)
1222 220 avctx->execute2(avctx, dnxhd_mb_var_thread,
1223 NULL, NULL, ctx->m.mb_height);
1224 220 radix_sort(ctx->mb_cmp, ctx->mb_cmp_tmp, ctx->m.mb_num);
1225 222 retry:
1226
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647233 for (x = 0; x < ctx->m.mb_num && max_bits > ctx->frame_bits; x++) {
1227 647011 int mb = ctx->mb_cmp[x].mb;
1228 647011 int rc = (ctx->qscale * ctx->m.mb_num ) + mb;
1229 647011 max_bits -= ctx->mb_rc[rc].bits -
1230 647011 ctx->mb_rc[rc + ctx->m.mb_num].bits;
1231
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647011 if (ctx->mb_qscale[mb] < 255)
1232 647011 ctx->mb_qscale[mb]++;
1233 647011 ctx->mb_bits[mb] = ctx->mb_rc[rc + ctx->m.mb_num].bits;
1234 }
1235
1236
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222 if (max_bits > ctx->frame_bits)
1237 2 goto retry;
1238 }
1239 365 return 0;
1240 }
1241
1242 325 static void dnxhd_load_picture(DNXHDEncContext *ctx, const AVFrame *frame)
1243 {
1244 int i;
1245
1246
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650 for (i = 0; i < ctx->m.avctx->thread_count; i++) {
1247 325 ctx->thread[i]->m.linesize = frame->linesize[0] << ctx->interlaced;
1248 325 ctx->thread[i]->m.uvlinesize = frame->linesize[1] << ctx->interlaced;
1249 325 ctx->thread[i]->dct_y_offset = ctx->m.linesize *8;
1250 325 ctx->thread[i]->dct_uv_offset = ctx->m.uvlinesize*8;
1251 }
1252
1253
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325 ctx->cur_field = (frame->flags & AV_FRAME_FLAG_INTERLACED) &&
1254 !(frame->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST);
1255 325 }
1256
1257 325 static int dnxhd_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
1258 const AVFrame *frame, int *got_packet)
1259 {
1260 325 DNXHDEncContext *ctx = avctx->priv_data;
1261 325 int first_field = 1;
1262 int offset, i, ret;
1263 uint8_t *buf;
1264
1265
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325 if ((ret = ff_get_encode_buffer(avctx, pkt, ctx->frame_size, 0)) < 0)
1266 return ret;
1267 325 buf = pkt->data;
1268
1269 325 dnxhd_load_picture(ctx, frame);
1270
1271 380 encode_coding_unit:
1272
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1520 for (i = 0; i < 3; i++) {
1273 1140 ctx->src[i] = frame->data[i];
1274
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1140 if (ctx->interlaced && ctx->cur_field)
1275 165 ctx->src[i] += frame->linesize[i];
1276 }
1277
1278 380 dnxhd_write_header(avctx, buf);
1279
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380 if (avctx->mb_decision == FF_MB_DECISION_RD)
1281 15 ret = dnxhd_encode_rdo(avctx, ctx);
1282 else
1283 365 ret = dnxhd_encode_fast(avctx, ctx);
1284
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380 if (ret < 0) {
1285 av_log(avctx, AV_LOG_ERROR,
1286 "picture could not fit ratecontrol constraints, increase qmax\n");
1287 return ret;
1288 }
1289
1290 380 dnxhd_setup_threads_slices(ctx);
1291
1292 380 offset = 0;
1293
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21145 for (i = 0; i < ctx->m.mb_height; i++) {
1294 20765 AV_WB32(ctx->msip + i * 4, offset);
1295 20765 offset += ctx->slice_size[i];
1296 av_assert1(!(ctx->slice_size[i] & 3));
1297 }
1298
1299 380 avctx->execute2(avctx, dnxhd_encode_thread, buf, NULL, ctx->m.mb_height);
1300
1301 av_assert1(ctx->data_offset + offset + 4 <= ctx->coding_unit_size);
1302 380 memset(buf + ctx->data_offset + offset, 0,
1303 380 ctx->coding_unit_size - 4 - offset - ctx->data_offset);
1304
1305 380 AV_WB32(buf + ctx->coding_unit_size - 4, 0x600DC0DE); // EOF
1306
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380 if (ctx->interlaced && first_field) {
1308 55 first_field = 0;
1309 55 ctx->cur_field ^= 1;
1310 55 buf += ctx->coding_unit_size;
1311 55 goto encode_coding_unit;
1312 }
1313
1314 325 ff_side_data_set_encoder_stats(pkt, ctx->qscale * FF_QP2LAMBDA, NULL, 0, AV_PICTURE_TYPE_I);
1315
1316 325 *got_packet = 1;
1317 325 return 0;
1318 }
1319
1320 73 static av_cold int dnxhd_encode_end(AVCodecContext *avctx)
1321 {
1322 73 DNXHDEncContext *ctx = avctx->priv_data;
1323 int i;
1324
1325 73 av_freep(&ctx->orig_vlc_codes);
1326 73 av_freep(&ctx->orig_vlc_bits);
1327 73 av_freep(&ctx->run_codes);
1328 73 av_freep(&ctx->run_bits);
1329
1330 73 av_freep(&ctx->mb_bits);
1331 73 av_freep(&ctx->mb_qscale);
1332 73 av_freep(&ctx->mb_rc);
1333 73 av_freep(&ctx->mb_cmp);
1334 73 av_freep(&ctx->mb_cmp_tmp);
1335 73 av_freep(&ctx->slice_size);
1336 73 av_freep(&ctx->slice_offs);
1337
1338 73 av_freep(&ctx->qmatrix_c);
1339 73 av_freep(&ctx->qmatrix_l);
1340 73 av_freep(&ctx->qmatrix_c16);
1341 73 av_freep(&ctx->qmatrix_l16);
1342
1343
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73 if (ctx->thread[1]) {
1344 for (i = 1; i < avctx->thread_count; i++)
1345 av_freep(&ctx->thread[i]);
1346 }
1347
1348 73 return 0;
1349 }
1350
1351 static const FFCodecDefault dnxhd_defaults[] = {
1352 { "qmax", "1024" }, /* Maximum quantization scale factor allowed for VC-3 */
1353 { NULL },
1354 };
1355
1356 const FFCodec ff_dnxhd_encoder = {
1357 .p.name = "dnxhd",
1358 CODEC_LONG_NAME("VC3/DNxHD"),
1359 .p.type = AVMEDIA_TYPE_VIDEO,
1360 .p.id = AV_CODEC_ID_DNXHD,
1361 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
1362 AV_CODEC_CAP_SLICE_THREADS | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1363 .priv_data_size = sizeof(DNXHDEncContext),
1364 .init = dnxhd_encode_init,
1365 FF_CODEC_ENCODE_CB(dnxhd_encode_picture),
1366 .close = dnxhd_encode_end,
1367 .p.pix_fmts = (const enum AVPixelFormat[]) {
1368 AV_PIX_FMT_YUV422P,
1369 AV_PIX_FMT_YUV422P10,
1370 AV_PIX_FMT_YUV444P10,
1371 AV_PIX_FMT_GBRP10,
1372 AV_PIX_FMT_NONE
1373 },
1374 .p.priv_class = &dnxhd_class,
1375 .defaults = dnxhd_defaults,
1376 .p.profiles = NULL_IF_CONFIG_SMALL(ff_dnxhd_profiles),
1377 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1378 };
1379
1380 73 void ff_dnxhdenc_init(DNXHDEncContext *ctx)
1381 {
1382 #if ARCH_X86
1383 73 ff_dnxhdenc_init_x86(ctx);
1384 #endif
1385 73 }
1386