FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/huffyuvenc.c
Date: 2022-07-04 19:11:22
Exec Total Coverage
Lines: 332 545 60.9%
Branches: 176 369 47.7%

Line Branch Exec Source
1 /*
2 * Copyright (c) 2002-2014 Michael Niedermayer <michaelni@gmx.at>
3 *
4 * see http://www.pcisys.net/~melanson/codecs/huffyuv.txt for a description of
5 * the algorithm used
6 *
7 * This file is part of FFmpeg.
8 *
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * FFmpeg 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 GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 *
23 * yuva, gray, 4:4:4, 4:1:1, 4:1:0 and >8 bit per sample support sponsored by NOA
24 */
25
26 /**
27 * @file
28 * huffyuv encoder
29 */
30
31 #include "config_components.h"
32
33 #include "avcodec.h"
34 #include "codec_internal.h"
35 #include "encode.h"
36 #include "huffyuv.h"
37 #include "huffman.h"
38 #include "huffyuvencdsp.h"
39 #include "lossless_videoencdsp.h"
40 #include "put_bits.h"
41 #include "libavutil/opt.h"
42 #include "libavutil/pixdesc.h"
43
44 134100 static inline void diff_bytes(HYuvContext *s, uint8_t *dst,
45 const uint8_t *src0, const uint8_t *src1, int w)
46 {
47
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134100 if (s->bps <= 8) {
48 s->llvidencdsp.diff_bytes(dst, src0, src1, w);
49 } else {
50 134100 s->hencdsp.diff_int16((uint16_t *)dst, (const uint16_t *)src0, (const uint16_t *)src1, s->n - 1, w);
51 }
52 134100 }
53
54 718400 static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst,
55 const uint8_t *src, int w, int left)
56 {
57 int i;
58 718400 int min_width = FFMIN(w, 32);
59
60
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718400 if (s->bps <= 8) {
61
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11777100 for (i = 0; i < min_width; i++) { /* scalar loop before dsp call */
62 11417900 const int temp = src[i];
63 11417900 dst[i] = temp - left;
64 11417900 left = temp;
65 }
66
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359200 if (w < 32)
67 5100 return left;
68 354100 s->llvidencdsp.diff_bytes(dst + 32, src + 32, src + 31, w - 32);
69 354100 return src[w-1];
70 } else {
71 359200 const uint16_t *src16 = (const uint16_t *)src;
72 359200 uint16_t *dst16 = ( uint16_t *)dst;
73
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11777100 for (i = 0; i < min_width; i++) { /* scalar loop before dsp call */
74 11417900 const int temp = src16[i];
75 11417900 dst16[i] = temp - left;
76 11417900 left = temp;
77 }
78
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359200 if (w < 32)
79 5100 return left;
80 354100 s->hencdsp.diff_int16(dst16 + 32, src16 + 32, src16 + 31, s->n - 1, w - 32);
81 354100 return src16[w-1];
82 }
83 }
84
85 44900 static inline void sub_left_prediction_bgr32(HYuvContext *s, uint8_t *dst,
86 const uint8_t *src, int w,
87 int *red, int *green, int *blue,
88 int *alpha)
89 {
90 int i;
91 int r, g, b, a;
92 44900 int min_width = FFMIN(w, 8);
93 44900 r = *red;
94 44900 g = *green;
95 44900 b = *blue;
96 44900 a = *alpha;
97
98
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404100 for (i = 0; i < min_width; i++) {
99 359200 const int rt = src[i * 4 + R];
100 359200 const int gt = src[i * 4 + G];
101 359200 const int bt = src[i * 4 + B];
102 359200 const int at = src[i * 4 + A];
103 359200 dst[i * 4 + R] = rt - r;
104 359200 dst[i * 4 + G] = gt - g;
105 359200 dst[i * 4 + B] = bt - b;
106 359200 dst[i * 4 + A] = at - a;
107 359200 r = rt;
108 359200 g = gt;
109 359200 b = bt;
110 359200 a = at;
111 }
112
113 44900 s->llvidencdsp.diff_bytes(dst + 32, src + 32, src + 32 - 4, w * 4 - 32);
114
115 44900 *red = src[(w - 1) * 4 + R];
116 44900 *green = src[(w - 1) * 4 + G];
117 44900 *blue = src[(w - 1) * 4 + B];
118 44900 *alpha = src[(w - 1) * 4 + A];
119 44900 }
120
121 44900 static inline void sub_left_prediction_rgb24(HYuvContext *s, uint8_t *dst,
122 uint8_t *src, int w,
123 int *red, int *green, int *blue)
124 {
125 int i;
126 int r, g, b;
127 44900 r = *red;
128 44900 g = *green;
129 44900 b = *blue;
130
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763300 for (i = 0; i < FFMIN(w, 16); i++) {
131 718400 const int rt = src[i * 3 + 0];
132 718400 const int gt = src[i * 3 + 1];
133 718400 const int bt = src[i * 3 + 2];
134 718400 dst[i * 3 + 0] = rt - r;
135 718400 dst[i * 3 + 1] = gt - g;
136 718400 dst[i * 3 + 2] = bt - b;
137 718400 r = rt;
138 718400 g = gt;
139 718400 b = bt;
140 }
141
142 44900 s->llvidencdsp.diff_bytes(dst + 48, src + 48, src + 48 - 3, w * 3 - 48);
143
144 44900 *red = src[(w - 1) * 3 + 0];
145 44900 *green = src[(w - 1) * 3 + 1];
146 44900 *blue = src[(w - 1) * 3 + 2];
147 44900 }
148
149 static void sub_median_prediction(HYuvContext *s, uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w, int *left, int *left_top)
150 {
151 if (s->bps <= 8) {
152 s->llvidencdsp.sub_median_pred(dst, src1, src2, w , left, left_top);
153 } else {
154 s->hencdsp.sub_hfyu_median_pred_int16((uint16_t *)dst, (const uint16_t *)src1, (const uint16_t *)src2, s->n - 1, w , left, left_top);
155 }
156 }
157
158 96 static int store_table(HYuvContext *s, const uint8_t *len, uint8_t *buf)
159 {
160 int i;
161 96 int index = 0;
162 96 int n = s->vlc_n;
163
164
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3972 for (i = 0; i < n;) {
165 3876 int val = len[i];
166 3876 int repeat = 0;
167
168
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277284 for (; i < n && len[i] == val && repeat < 255; i++)
169 273408 repeat++;
170
171
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3876 av_assert0(val < 32 && val >0 && repeat < 256 && repeat>0);
172
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3876 if (repeat > 7) {
173 2244 buf[index++] = val;
174 2244 buf[index++] = repeat;
175 } else {
176 1632 buf[index++] = val | (repeat << 5);
177 }
178 }
179
180 96 return index;
181 }
182
183 32 static int store_huffman_tables(HYuvContext *s, uint8_t *buf)
184 {
185 int i, ret;
186 32 int size = 0;
187 32 int count = 3;
188
189
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32 if (s->version > 2)
190 16 count = 1 + s->alpha + 2*s->chroma;
191
192
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128 for (i = 0; i < count; i++) {
193
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96 if ((ret = ff_huff_gen_len_table(s->len[i], s->stats[i], s->vlc_n, 0)) < 0)
194 return ret;
195
196
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96 if (ff_huffyuv_generate_bits_table(s->bits[i], s->len[i], s->vlc_n) < 0) {
197 return -1;
198 }
199
200 96 size += store_table(s, s->len[i], buf + size);
201 }
202 32 return size;
203 }
204
205 32 static av_cold int encode_init(AVCodecContext *avctx)
206 {
207 32 HYuvContext *s = avctx->priv_data;
208 int i, j;
209 int ret;
210 32 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
211
212 32 ff_huffyuv_common_init(avctx);
213 32 ff_huffyuvencdsp_init(&s->hencdsp, avctx);
214 32 ff_llvidencdsp_init(&s->llvidencdsp);
215
216 32 avctx->extradata = av_mallocz(3*MAX_N + 4);
217
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32 if (s->flags&AV_CODEC_FLAG_PASS1) {
218 #define STATS_OUT_SIZE 21*MAX_N*3 + 4
219 avctx->stats_out = av_mallocz(STATS_OUT_SIZE); // 21*256*3(%llu ) + 3(\n) + 1(0) = 16132
220 if (!avctx->stats_out)
221 return AVERROR(ENOMEM);
222 }
223 32 s->version = 2;
224
225
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32 if (!avctx->extradata)
226 return AVERROR(ENOMEM);
227
228 32 s->bps = desc->comp[0].depth;
229
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32 s->yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB) && desc->nb_components >= 2;
230 32 s->chroma = desc->nb_components > 2;
231 32 s->alpha = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA);
232 32 av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
233 &s->chroma_h_shift,
234 &s->chroma_v_shift);
235
236
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32 switch (avctx->pix_fmt) {
237 8 case AV_PIX_FMT_YUV420P:
238 case AV_PIX_FMT_YUV422P:
239
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8 if (s->width & 1) {
240 av_log(avctx, AV_LOG_ERROR, "Width must be even for this colorspace.\n");
241 return AVERROR(EINVAL);
242 }
243
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8 s->bitstream_bpp = avctx->pix_fmt == AV_PIX_FMT_YUV420P ? 12 : 16;
244 8 break;
245 16 case AV_PIX_FMT_YUV444P:
246 case AV_PIX_FMT_YUV410P:
247 case AV_PIX_FMT_YUV411P:
248 case AV_PIX_FMT_YUV440P:
249 case AV_PIX_FMT_GBRP:
250 case AV_PIX_FMT_GBRP9:
251 case AV_PIX_FMT_GBRP10:
252 case AV_PIX_FMT_GBRP12:
253 case AV_PIX_FMT_GBRP14:
254 case AV_PIX_FMT_GBRP16:
255 case AV_PIX_FMT_GRAY8:
256 case AV_PIX_FMT_GRAY16:
257 case AV_PIX_FMT_YUVA444P:
258 case AV_PIX_FMT_YUVA420P:
259 case AV_PIX_FMT_YUVA422P:
260 case AV_PIX_FMT_GBRAP:
261 case AV_PIX_FMT_YUV420P9:
262 case AV_PIX_FMT_YUV420P10:
263 case AV_PIX_FMT_YUV420P12:
264 case AV_PIX_FMT_YUV420P14:
265 case AV_PIX_FMT_YUV420P16:
266 case AV_PIX_FMT_YUV422P9:
267 case AV_PIX_FMT_YUV422P10:
268 case AV_PIX_FMT_YUV422P12:
269 case AV_PIX_FMT_YUV422P14:
270 case AV_PIX_FMT_YUV422P16:
271 case AV_PIX_FMT_YUV444P9:
272 case AV_PIX_FMT_YUV444P10:
273 case AV_PIX_FMT_YUV444P12:
274 case AV_PIX_FMT_YUV444P14:
275 case AV_PIX_FMT_YUV444P16:
276 case AV_PIX_FMT_YUVA420P9:
277 case AV_PIX_FMT_YUVA420P10:
278 case AV_PIX_FMT_YUVA420P16:
279 case AV_PIX_FMT_YUVA422P9:
280 case AV_PIX_FMT_YUVA422P10:
281 case AV_PIX_FMT_YUVA422P16:
282 case AV_PIX_FMT_YUVA444P9:
283 case AV_PIX_FMT_YUVA444P10:
284 case AV_PIX_FMT_YUVA444P16:
285 16 s->version = 3;
286 16 break;
287 4 case AV_PIX_FMT_RGB32:
288 4 s->bitstream_bpp = 32;
289 4 break;
290 4 case AV_PIX_FMT_RGB24:
291 4 s->bitstream_bpp = 24;
292 4 break;
293 default:
294 av_log(avctx, AV_LOG_ERROR, "format not supported\n");
295 return AVERROR(EINVAL);
296 }
297 32 s->n = 1<<s->bps;
298 32 s->vlc_n = FFMIN(s->n, MAX_VLC_N);
299
300 32 avctx->bits_per_coded_sample = s->bitstream_bpp;
301
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32 s->decorrelate = s->bitstream_bpp >= 24 && !s->yuv && !(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
302 32 s->interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_ME ? 1 : 0;
303
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32 if (s->context) {
304 if (s->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) {
305 av_log(avctx, AV_LOG_ERROR,
306 "context=1 is not compatible with "
307 "2 pass huffyuv encoding\n");
308 return AVERROR(EINVAL);
309 }
310 }
311
312
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32 if (avctx->codec->id == AV_CODEC_ID_HUFFYUV) {
313
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12 if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
314 av_log(avctx, AV_LOG_ERROR,
315 "Error: YV12 is not supported by huffyuv; use "
316 "vcodec=ffvhuff or format=422p\n");
317 return AVERROR(EINVAL);
318 }
319
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12 if (s->interlaced != ( s->height > 288 ))
320 av_log(avctx, AV_LOG_INFO,
321 "using huffyuv 2.2.0 or newer interlacing flag\n");
322 }
323
324
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32 if (s->version > 3 && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
325 av_log(avctx, AV_LOG_ERROR, "Ver > 3 is under development, files encoded with it may not be decodable with future versions!!!\n"
326 "Use vstrict=-2 / -strict -2 to use it anyway.\n");
327 return AVERROR(EINVAL);
328 }
329
330
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32 if (s->bitstream_bpp >= 24 && s->predictor == MEDIAN && s->version <= 2) {
331 av_log(avctx, AV_LOG_ERROR,
332 "Error: RGB is incompatible with median predictor\n");
333 return AVERROR(EINVAL);
334 }
335
336 32 ((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
337
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32 ((uint8_t*)avctx->extradata)[2] = s->interlaced ? 0x10 : 0x20;
338
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32 if (s->context)
339 ((uint8_t*)avctx->extradata)[2] |= 0x40;
340
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32 if (s->version < 3) {
341 16 ((uint8_t*)avctx->extradata)[1] = s->bitstream_bpp;
342 16 ((uint8_t*)avctx->extradata)[3] = 0;
343 } else {
344 16 ((uint8_t*)avctx->extradata)[1] = ((s->bps-1)<<4) | s->chroma_h_shift | (s->chroma_v_shift<<2);
345
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16 if (s->chroma)
346
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16 ((uint8_t*)avctx->extradata)[2] |= s->yuv ? 1 : 2;
347
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16 if (s->alpha)
348 ((uint8_t*)avctx->extradata)[2] |= 4;
349 16 ((uint8_t*)avctx->extradata)[3] = 1;
350 }
351 32 s->avctx->extradata_size = 4;
352
353
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32 if (avctx->stats_in) {
354 char *p = avctx->stats_in;
355
356 for (i = 0; i < 4; i++)
357 for (j = 0; j < s->vlc_n; j++)
358 s->stats[i][j] = 1;
359
360 for (;;) {
361 for (i = 0; i < 4; i++) {
362 char *next;
363
364 for (j = 0; j < s->vlc_n; j++) {
365 s->stats[i][j] += strtol(p, &next, 0);
366 if (next == p) return -1;
367 p = next;
368 }
369 }
370 if (p[0] == 0 || p[1] == 0 || p[2] == 0) break;
371 }
372 } else {
373
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160 for (i = 0; i < 4; i++)
374
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364672 for (j = 0; j < s->vlc_n; j++) {
375 364544 int d = FFMIN(j, s->vlc_n - j);
376
377 364544 s->stats[i][j] = 100000000 / (d*d + 1);
378 }
379 }
380
381 32 ret = store_huffman_tables(s, s->avctx->extradata + s->avctx->extradata_size);
382
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32 if (ret < 0)
383 return ret;
384 32 s->avctx->extradata_size += ret;
385
386
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32 if (s->context) {
387 for (i = 0; i < 4; i++) {
388 int pels = s->width * s->height / (i ? 40 : 10);
389 for (j = 0; j < s->vlc_n; j++) {
390 int d = FFMIN(j, s->vlc_n - j);
391 s->stats[i][j] = pels/(d*d + 1);
392 }
393 }
394 } else {
395
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160 for (i = 0; i < 4; i++)
396
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364672 for (j = 0; j < s->vlc_n; j++)
397 364544 s->stats[i][j]= 0;
398 }
399
400
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32 if (ff_huffyuv_alloc_temp(s)) {
401 ff_huffyuv_common_end(s);
402 return AVERROR(ENOMEM);
403 }
404
405 32 s->picture_number=0;
406
407 32 return 0;
408 }
409 67350 static int encode_422_bitstream(HYuvContext *s, int offset, int count)
410 {
411 int i;
412 67350 const uint8_t *y = s->temp[0] + offset;
413 67350 const uint8_t *u = s->temp[1] + offset / 2;
414 67350 const uint8_t *v = s->temp[2] + offset / 2;
415
416
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67350 if (put_bytes_left(&s->pb, 0) < 2 * 4 * count) {
417 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
418 return -1;
419 }
420
421 #define LOAD4\
422 int y0 = y[2 * i];\
423 int y1 = y[2 * i + 1];\
424 int u0 = u[i];\
425 int v0 = v[i];
426
427 67350 count /= 2;
428
429
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67350 if (s->flags & AV_CODEC_FLAG_PASS1) {
430 for(i = 0; i < count; i++) {
431 LOAD4;
432 s->stats[0][y0]++;
433 s->stats[1][u0]++;
434 s->stats[0][y1]++;
435 s->stats[2][v0]++;
436 }
437 }
438
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67350 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
439 return 0;
440
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67350 if (s->context) {
441 for (i = 0; i < count; i++) {
442 LOAD4;
443 s->stats[0][y0]++;
444 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
445 s->stats[1][u0]++;
446 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
447 s->stats[0][y1]++;
448 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
449 s->stats[2][v0]++;
450 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
451 }
452 } else {
453
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11515100 for(i = 0; i < count; i++) {
454 11447750 LOAD4;
455 11447750 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
456 11447750 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
457 11447750 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
458 11447750 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
459 }
460 }
461 67350 return 0;
462 }
463
464 493900 static int encode_plane_bitstream(HYuvContext *s, int width, int plane)
465 {
466 493900 int i, count = width/2;
467
468
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493900 if (put_bytes_left(&s->pb, 0) < count * s->bps / 2) {
469 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
470 return -1;
471 }
472
473 #define LOADEND\
474 int y0 = s->temp[0][width-1];
475 #define LOADEND_14\
476 int y0 = s->temp16[0][width-1] & mask;
477 #define LOADEND_16\
478 int y0 = s->temp16[0][width-1];
479 #define STATEND\
480 s->stats[plane][y0]++;
481 #define STATEND_16\
482 s->stats[plane][y0>>2]++;
483 #define WRITEEND\
484 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);
485 #define WRITEEND_16\
486 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
487 put_bits(&s->pb, 2, y0&3);
488
489 #define LOAD2\
490 int y0 = s->temp[0][2 * i];\
491 int y1 = s->temp[0][2 * i + 1];
492 #define LOAD2_14\
493 int y0 = s->temp16[0][2 * i] & mask;\
494 int y1 = s->temp16[0][2 * i + 1] & mask;
495 #define LOAD2_16\
496 int y0 = s->temp16[0][2 * i];\
497 int y1 = s->temp16[0][2 * i + 1];
498 #define STAT2\
499 s->stats[plane][y0]++;\
500 s->stats[plane][y1]++;
501 #define STAT2_16\
502 s->stats[plane][y0>>2]++;\
503 s->stats[plane][y1>>2]++;
504 #define WRITE2\
505 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);\
506 put_bits(&s->pb, s->len[plane][y1], s->bits[plane][y1]);
507 #define WRITE2_16\
508 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
509 put_bits(&s->pb, 2, y0&3);\
510 put_bits(&s->pb, s->len[plane][y1>>2], s->bits[plane][y1>>2]);\
511 put_bits(&s->pb, 2, y1&3);
512
513
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493900 if (s->bps <= 8) {
514
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134700 if (s->flags & AV_CODEC_FLAG_PASS1) {
515 for (i = 0; i < count; i++) {
516 LOAD2;
517 STAT2;
518 }
519 if (width&1) {
520 LOADEND;
521 STATEND;
522 }
523 }
524
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134700 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
525 return 0;
526
527
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134700 if (s->context) {
528 for (i = 0; i < count; i++) {
529 LOAD2;
530 STAT2;
531 WRITE2;
532 }
533 if (width&1) {
534 LOADEND;
535 STATEND;
536 WRITEEND;
537 }
538 } else {
539
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23031000 for (i = 0; i < count; i++) {
540 22896300 LOAD2;
541 22896300 WRITE2;
542 }
543
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134700 if (width&1) {
544 LOADEND;
545 WRITEEND;
546 }
547 }
548
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359200 } else if (s->bps <= 14) {
549 224500 int mask = s->n - 1;
550
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224500 if (s->flags & AV_CODEC_FLAG_PASS1) {
551 for (i = 0; i < count; i++) {
552 LOAD2_14;
553 STAT2;
554 }
555 if (width&1) {
556 LOADEND_14;
557 STATEND;
558 }
559 }
560
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224500 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
561 return 0;
562
563
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224500 if (s->context) {
564 for (i = 0; i < count; i++) {
565 LOAD2_14;
566 STAT2;
567 WRITE2;
568 }
569 if (width&1) {
570 LOADEND_14;
571 STATEND;
572 WRITEEND;
573 }
574 } else {
575
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26934300 for (i = 0; i < count; i++) {
576 26709800 LOAD2_14;
577 26709800 WRITE2;
578 }
579
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224500 if (width&1) {
580 5100 LOADEND_14;
581 5100 WRITEEND;
582 }
583 }
584 } else {
585
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134700 if (s->flags & AV_CODEC_FLAG_PASS1) {
586 for (i = 0; i < count; i++) {
587 LOAD2_16;
588 STAT2_16;
589 }
590 if (width&1) {
591 LOADEND_16;
592 STATEND_16;
593 }
594 }
595
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134700 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
596 return 0;
597
598
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134700 if (s->context) {
599 for (i = 0; i < count; i++) {
600 LOAD2_16;
601 STAT2_16;
602 WRITE2_16;
603 }
604 if (width&1) {
605 LOADEND_16;
606 STATEND_16;
607 WRITEEND_16;
608 }
609 } else {
610
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23031000 for (i = 0; i < count; i++) {
611 22896300 LOAD2_16;
612 22896300 WRITE2_16;
613 }
614
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134700 if (width&1) {
615 LOADEND_16;
616 WRITEEND_16;
617 }
618 }
619 }
620 #undef LOAD2
621 #undef STAT2
622 #undef WRITE2
623 493900 return 0;
624 }
625
626 22450 static int encode_gray_bitstream(HYuvContext *s, int count)
627 {
628 int i;
629
630
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22450 if (put_bytes_left(&s->pb, 0) < 4 * count) {
631 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
632 return -1;
633 }
634
635 #define LOAD2\
636 int y0 = s->temp[0][2 * i];\
637 int y1 = s->temp[0][2 * i + 1];
638 #define STAT2\
639 s->stats[0][y0]++;\
640 s->stats[0][y1]++;
641 #define WRITE2\
642 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
643 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
644
645 22450 count /= 2;
646
647
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22450 if (s->flags & AV_CODEC_FLAG_PASS1) {
648 for (i = 0; i < count; i++) {
649 LOAD2;
650 STAT2;
651 }
652 }
653
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22450 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
654 return 0;
655
656
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22450 if (s->context) {
657 for (i = 0; i < count; i++) {
658 LOAD2;
659 STAT2;
660 WRITE2;
661 }
662 } else {
663
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3838500 for (i = 0; i < count; i++) {
664 3816050 LOAD2;
665 3816050 WRITE2;
666 }
667 }
668 22450 return 0;
669 }
670
671 89800 static inline int encode_bgra_bitstream(HYuvContext *s, int count, int planes)
672 {
673 int i;
674
675
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89800 if (put_bytes_left(&s->pb, 0) < 4 * planes * count) {
676 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
677 return -1;
678 }
679
680 #define LOAD_GBRA \
681 int g = s->temp[0][planes == 3 ? 3 * i + 1 : 4 * i + G]; \
682 int b =(s->temp[0][planes == 3 ? 3 * i + 2 : 4 * i + B] - g) & 0xFF;\
683 int r =(s->temp[0][planes == 3 ? 3 * i + 0 : 4 * i + R] - g) & 0xFF;\
684 int a = s->temp[0][planes * i + A];
685
686 #define STAT_BGRA \
687 s->stats[0][b]++; \
688 s->stats[1][g]++; \
689 s->stats[2][r]++; \
690 if (planes == 4) \
691 s->stats[2][a]++;
692
693 #define WRITE_GBRA \
694 put_bits(&s->pb, s->len[1][g], s->bits[1][g]); \
695 put_bits(&s->pb, s->len[0][b], s->bits[0][b]); \
696 put_bits(&s->pb, s->len[2][r], s->bits[2][r]); \
697 if (planes == 4) \
698 put_bits(&s->pb, s->len[2][a], s->bits[2][a]);
699
700
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89800 if ((s->flags & AV_CODEC_FLAG_PASS1) &&
701 (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
702 for (i = 0; i < count; i++) {
703 LOAD_GBRA;
704 STAT_BGRA;
705 }
706
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89800 } else if (s->context || (s->flags & AV_CODEC_FLAG_PASS1)) {
707 for (i = 0; i < count; i++) {
708 LOAD_GBRA;
709 STAT_BGRA;
710 WRITE_GBRA;
711 }
712 } else {
713
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30617800 for (i = 0; i < count; i++) {
714
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30528000 LOAD_GBRA;
715
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30528000 WRITE_GBRA;
716 }
717 }
718 89800 return 0;
719 }
720
721 1600 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
722 const AVFrame *pict, int *got_packet)
723 {
724 1600 HYuvContext *s = avctx->priv_data;
725 1600 const int width = s->width;
726 1600 const int width2 = s->width>>1;
727 1600 const int height = s->height;
728
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1600 const int fake_ystride = s->interlaced ? pict->linesize[0]*2 : pict->linesize[0];
729
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1600 const int fake_ustride = s->interlaced ? pict->linesize[1]*2 : pict->linesize[1];
730
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1600 const int fake_vstride = s->interlaced ? pict->linesize[2]*2 : pict->linesize[2];
731 1600 const AVFrame * const p = pict;
732 1600 int i, j, size = 0, ret;
733
734
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1600 if ((ret = ff_alloc_packet(avctx, pkt, width * height * 3 * 4 + AV_INPUT_BUFFER_MIN_SIZE)) < 0)
735 return ret;
736
737
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1600 if (s->context) {
738 size = store_huffman_tables(s, pkt->data);
739 if (size < 0)
740 return size;
741
742 for (i = 0; i < 4; i++)
743 for (j = 0; j < s->vlc_n; j++)
744 s->stats[i][j] >>= 1;
745 }
746
747 1600 init_put_bits(&s->pb, pkt->data + size, pkt->size - size);
748
749
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1600 if (avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
750
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1800 avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
751 int lefty, leftu, leftv, y, cy;
752
753 400 put_bits(&s->pb, 8, leftv = p->data[2][0]);
754 400 put_bits(&s->pb, 8, lefty = p->data[0][1]);
755 400 put_bits(&s->pb, 8, leftu = p->data[1][0]);
756 400 put_bits(&s->pb, 8, p->data[0][0]);
757
758 400 lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
759 400 leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
760 400 leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
761
762 400 encode_422_bitstream(s, 2, width-2);
763
764
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400 if (s->predictor==MEDIAN) {
765 int lefttopy, lefttopu, lefttopv;
766 cy = y = 1;
767 if (s->interlaced) {
768 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + p->linesize[0], width , lefty);
769 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + p->linesize[1], width2, leftu);
770 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + p->linesize[2], width2, leftv);
771
772 encode_422_bitstream(s, 0, width);
773 y++; cy++;
774 }
775
776 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty);
777 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + fake_ustride, 2, leftu);
778 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + fake_vstride, 2, leftv);
779
780 encode_422_bitstream(s, 0, 4);
781
782 lefttopy = p->data[0][3];
783 lefttopu = p->data[1][1];
784 lefttopv = p->data[2][1];
785 s->llvidencdsp.sub_median_pred(s->temp[0], p->data[0] + 4, p->data[0] + fake_ystride + 4, width - 4, &lefty, &lefttopy);
786 s->llvidencdsp.sub_median_pred(s->temp[1], p->data[1] + 2, p->data[1] + fake_ustride + 2, width2 - 2, &leftu, &lefttopu);
787 s->llvidencdsp.sub_median_pred(s->temp[2], p->data[2] + 2, p->data[2] + fake_vstride + 2, width2 - 2, &leftv, &lefttopv);
788 encode_422_bitstream(s, 0, width - 4);
789 y++; cy++;
790
791 for (; y < height; y++,cy++) {
792 uint8_t *ydst, *udst, *vdst;
793
794 if (s->bitstream_bpp == 12) {
795 while (2 * cy > y) {
796 ydst = p->data[0] + p->linesize[0] * y;
797 s->llvidencdsp.sub_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
798 encode_gray_bitstream(s, width);
799 y++;
800 }
801 if (y >= height) break;
802 }
803 ydst = p->data[0] + p->linesize[0] * y;
804 udst = p->data[1] + p->linesize[1] * cy;
805 vdst = p->data[2] + p->linesize[2] * cy;
806
807 s->llvidencdsp.sub_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
808 s->llvidencdsp.sub_median_pred(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
809 s->llvidencdsp.sub_median_pred(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv);
810
811 encode_422_bitstream(s, 0, width);
812 }
813 } else {
814
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67350 for (cy = y = 1; y < height; y++, cy++) {
815 uint8_t *ydst, *udst, *vdst;
816
817 /* encode a luma only line & y++ */
818
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67150 if (s->bitstream_bpp == 12) {
819 22450 ydst = p->data[0] + p->linesize[0] * y;
820
821
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22450 if (s->predictor == PLANE && s->interlaced < y) {
822 s->llvidencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
823
824 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
825 } else {
826 22450 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
827 }
828 22450 encode_gray_bitstream(s, width);
829 22450 y++;
830
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22450 if (y >= height) break;
831 }
832
833 66950 ydst = p->data[0] + p->linesize[0] * y;
834 66950 udst = p->data[1] + p->linesize[1] * cy;
835 66950 vdst = p->data[2] + p->linesize[2] * cy;
836
837
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66950 if (s->predictor == PLANE && s->interlaced < cy) {
838 s->llvidencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
839 s->llvidencdsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
840 s->llvidencdsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
841
842 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
843 leftu = sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
844 leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
845 } else {
846 66950 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
847 66950 leftu = sub_left_prediction(s, s->temp[1], udst, width2, leftu);
848 66950 leftv = sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
849 }
850
851 66950 encode_422_bitstream(s, 0, width);
852 }
853 }
854
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1200 } else if(avctx->pix_fmt == AV_PIX_FMT_RGB32) {
855 200 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
856 200 const int stride = -p->linesize[0];
857 200 const int fake_stride = -fake_ystride;
858 int y;
859 int leftr, leftg, leftb, lefta;
860
861 200 put_bits(&s->pb, 8, lefta = data[A]);
862 200 put_bits(&s->pb, 8, leftr = data[R]);
863 200 put_bits(&s->pb, 8, leftg = data[G]);
864 200 put_bits(&s->pb, 8, leftb = data[B]);
865
866 200 sub_left_prediction_bgr32(s, s->temp[0], data + 4, width - 1,
867 &leftr, &leftg, &leftb, &lefta);
868 200 encode_bgra_bitstream(s, width - 1, 4);
869
870
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44900 for (y = 1; y < s->height; y++) {
871 44700 uint8_t *dst = data + y*stride;
872
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44700 if (s->predictor == PLANE && s->interlaced < y) {
873 s->llvidencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width * 4);
874 sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width,
875 &leftr, &leftg, &leftb, &lefta);
876 } else {
877 44700 sub_left_prediction_bgr32(s, s->temp[0], dst, width,
878 &leftr, &leftg, &leftb, &lefta);
879 }
880 44700 encode_bgra_bitstream(s, width, 4);
881 }
882
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1000 } else if (avctx->pix_fmt == AV_PIX_FMT_RGB24) {
883 200 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
884 200 const int stride = -p->linesize[0];
885 200 const int fake_stride = -fake_ystride;
886 int y;
887 int leftr, leftg, leftb;
888
889 200 put_bits(&s->pb, 8, leftr = data[0]);
890 200 put_bits(&s->pb, 8, leftg = data[1]);
891 200 put_bits(&s->pb, 8, leftb = data[2]);
892 200 put_bits(&s->pb, 8, 0);
893
894 200 sub_left_prediction_rgb24(s, s->temp[0], data + 3, width - 1,
895 &leftr, &leftg, &leftb);
896 200 encode_bgra_bitstream(s, width-1, 3);
897
898
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44900 for (y = 1; y < s->height; y++) {
899 44700 uint8_t *dst = data + y * stride;
900
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44700 if (s->predictor == PLANE && s->interlaced < y) {
901 s->llvidencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride,
902 width * 3);
903 sub_left_prediction_rgb24(s, s->temp[0], s->temp[1], width,
904 &leftr, &leftg, &leftb);
905 } else {
906 44700 sub_left_prediction_rgb24(s, s->temp[0], dst, width,
907 &leftr, &leftg, &leftb);
908 }
909 44700 encode_bgra_bitstream(s, width, 3);
910 }
911
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800 } else if (s->version > 2) {
912 int plane;
913
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3200 for (plane = 0; plane < 1 + 2*s->chroma + s->alpha; plane++) {
914 int left, y;
915 2400 int w = width;
916 2400 int h = height;
917 2400 int fake_stride = fake_ystride;
918
919
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2400 if (s->chroma && (plane == 1 || plane == 2)) {
920 1600 w >>= s->chroma_h_shift;
921 1600 h >>= s->chroma_v_shift;
922
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1600 fake_stride = plane == 1 ? fake_ustride : fake_vstride;
923 }
924
925 2400 left = sub_left_prediction(s, s->temp[0], p->data[plane], w , 0);
926
927 2400 encode_plane_bitstream(s, w, plane);
928
929
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2400 if (s->predictor==MEDIAN) {
930 int lefttop;
931 y = 1;
932 if (s->interlaced) {
933 left = sub_left_prediction(s, s->temp[0], p->data[plane] + p->linesize[plane], w , left);
934
935 encode_plane_bitstream(s, w, plane);
936 y++;
937 }
938
939 lefttop = p->data[plane][0];
940
941 for (; y < h; y++) {
942 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
943
944 sub_median_prediction(s, s->temp[0], dst - fake_stride, dst, w , &left, &lefttop);
945
946 encode_plane_bitstream(s, w, plane);
947 }
948 } else {
949
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493900 for (y = 1; y < h; y++) {
950 491500 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
951
952
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491500 if (s->predictor == PLANE && s->interlaced < y) {
953 134100 diff_bytes(s, s->temp[1], dst, dst - fake_stride, w);
954
955 134100 left = sub_left_prediction(s, s->temp[0], s->temp[1], w , left);
956 } else {
957 357400 left = sub_left_prediction(s, s->temp[0], dst, w , left);
958 }
959
960 491500 encode_plane_bitstream(s, w, plane);
961 }
962 }
963 }
964 } else {
965 av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
966 }
967 1600 emms_c();
968
969 1600 size += (put_bits_count(&s->pb) + 31) / 8;
970 1600 put_bits(&s->pb, 16, 0);
971 1600 put_bits(&s->pb, 15, 0);
972 1600 size /= 4;
973
974
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1600 if ((s->flags & AV_CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
975 int j;
976 char *p = avctx->stats_out;
977 char *end = p + STATS_OUT_SIZE;
978 for (i = 0; i < 4; i++) {
979 for (j = 0; j < s->vlc_n; j++) {
980 snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
981 p += strlen(p);
982 s->stats[i][j]= 0;
983 }
984 snprintf(p, end-p, "\n");
985 p++;
986 if (end <= p)
987 return AVERROR(ENOMEM);
988 }
989
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1600 } else if (avctx->stats_out)
990 avctx->stats_out[0] = '\0';
991
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1600 if (!(s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
992 1600 flush_put_bits(&s->pb);
993 1600 s->bdsp.bswap_buf((uint32_t *) pkt->data, (uint32_t *) pkt->data, size);
994 }
995
996 1600 s->picture_number++;
997
998 1600 pkt->size = size * 4;
999 1600 *got_packet = 1;
1000
1001 1600 return 0;
1002 }
1003
1004 32 static av_cold int encode_end(AVCodecContext *avctx)
1005 {
1006 32 HYuvContext *s = avctx->priv_data;
1007
1008 32 ff_huffyuv_common_end(s);
1009
1010 32 av_freep(&avctx->stats_out);
1011
1012 32 return 0;
1013 }
1014
1015 #define OFFSET(x) offsetof(HYuvContext, x)
1016 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1017
1018 #define COMMON_OPTIONS \
1019 { "non_deterministic", "Allow multithreading for e.g. context=1 at the expense of determinism", \
1020 OFFSET(non_determ), AV_OPT_TYPE_BOOL, { .i64 = 0 }, \
1021 0, 1, VE }, \
1022 { "pred", "Prediction method", OFFSET(predictor), AV_OPT_TYPE_INT, { .i64 = LEFT }, LEFT, MEDIAN, VE, "pred" }, \
1023 { "left", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LEFT }, INT_MIN, INT_MAX, VE, "pred" }, \
1024 { "plane", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PLANE }, INT_MIN, INT_MAX, VE, "pred" }, \
1025 { "median", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MEDIAN }, INT_MIN, INT_MAX, VE, "pred" }, \
1026
1027 static const AVOption normal_options[] = {
1028 COMMON_OPTIONS
1029 { NULL },
1030 };
1031
1032 static const AVOption ff_options[] = {
1033 COMMON_OPTIONS
1034 { "context", "Set per-frame huffman tables", OFFSET(context), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
1035 { NULL },
1036 };
1037
1038 static const AVClass normal_class = {
1039 .class_name = "huffyuv",
1040 .item_name = av_default_item_name,
1041 .option = normal_options,
1042 .version = LIBAVUTIL_VERSION_INT,
1043 };
1044
1045 static const AVClass ff_class = {
1046 .class_name = "ffvhuff",
1047 .item_name = av_default_item_name,
1048 .option = ff_options,
1049 .version = LIBAVUTIL_VERSION_INT,
1050 };
1051
1052 const FFCodec ff_huffyuv_encoder = {
1053 .p.name = "huffyuv",
1054 .p.long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
1055 .p.type = AVMEDIA_TYPE_VIDEO,
1056 .p.id = AV_CODEC_ID_HUFFYUV,
1057 .priv_data_size = sizeof(HYuvContext),
1058 .init = encode_init,
1059 FF_CODEC_ENCODE_CB(encode_frame),
1060 .close = encode_end,
1061 .p.capabilities = AV_CODEC_CAP_FRAME_THREADS,
1062 .p.priv_class = &normal_class,
1063 .p.pix_fmts = (const enum AVPixelFormat[]){
1064 AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB24,
1065 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1066 },
1067 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1068 FF_CODEC_CAP_INIT_CLEANUP,
1069 };
1070
1071 #if CONFIG_FFVHUFF_ENCODER
1072 const FFCodec ff_ffvhuff_encoder = {
1073 .p.name = "ffvhuff",
1074 .p.long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
1075 .p.type = AVMEDIA_TYPE_VIDEO,
1076 .p.id = AV_CODEC_ID_FFVHUFF,
1077 .priv_data_size = sizeof(HYuvContext),
1078 .init = encode_init,
1079 FF_CODEC_ENCODE_CB(encode_frame),
1080 .close = encode_end,
1081 .p.capabilities = AV_CODEC_CAP_FRAME_THREADS,
1082 .p.priv_class = &ff_class,
1083 .p.pix_fmts = (const enum AVPixelFormat[]){
1084 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV411P,
1085 AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
1086 AV_PIX_FMT_GBRP,
1087 AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
1088 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16,
1089 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
1090 AV_PIX_FMT_GBRAP,
1091 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16,
1092 AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16,
1093 AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16,
1094 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
1095 AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16,
1096 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16,
1097 AV_PIX_FMT_RGB24,
1098 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1099 },
1100 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1101 FF_CODEC_CAP_INIT_CLEANUP,
1102 };
1103 #endif
1104