2 * Copyright (c) 2002-2014 Michael Niedermayer <michaelni@gmx.at>
4 * see http://www.pcisys.net/~melanson/codecs/huffyuv.txt for a description of
7 * This file is part of FFmpeg.
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.
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.
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
23 * yuva, gray, 4:4:4, 4:1:1, 4:1:0 and >8 bit per sample support sponsored by NOA
34 #include "huffyuvencdsp.h"
37 #include "libavutil/opt.h"
38 #include "libavutil/pixdesc.h"
40 static inline void diff_bytes(HYuvContext *s, uint8_t *dst,
41 const uint8_t *src0, const uint8_t *src1, int w)
44 s->hencdsp.diff_bytes(dst, src0, src1, w);
46 s->llviddsp.diff_int16((uint16_t *)dst, (const uint16_t *)src0, (const uint16_t *)src1, s->n - 1, w);
50 static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst,
51 const uint8_t *src, int w, int left)
56 for (i = 0; i < w; i++) {
57 const int temp = src[i];
63 for (i = 0; i < 32; i++) {
64 const int temp = src[i];
68 s->hencdsp.diff_bytes(dst + 32, src + 32, src + 31, w - 32);
72 const uint16_t *src16 = (const uint16_t *)src;
73 uint16_t *dst16 = ( uint16_t *)dst;
75 for (i = 0; i < w; i++) {
76 const int temp = src16[i];
77 dst16[i] = temp - left;
82 for (i = 0; i < 16; i++) {
83 const int temp = src16[i];
84 dst16[i] = temp - left;
87 s->llviddsp.diff_int16(dst16 + 16, src16 + 16, src16 + 15, s->n - 1, w - 16);
93 static inline void sub_left_prediction_bgr32(HYuvContext *s, uint8_t *dst,
94 const uint8_t *src, int w,
95 int *red, int *green, int *blue,
105 for (i = 0; i < FFMIN(w, 4); i++) {
106 const int rt = src[i * 4 + R];
107 const int gt = src[i * 4 + G];
108 const int bt = src[i * 4 + B];
109 const int at = src[i * 4 + A];
110 dst[i * 4 + R] = rt - r;
111 dst[i * 4 + G] = gt - g;
112 dst[i * 4 + B] = bt - b;
113 dst[i * 4 + A] = at - a;
120 s->hencdsp.diff_bytes(dst + 16, src + 16, src + 12, w * 4 - 16);
122 *red = src[(w - 1) * 4 + R];
123 *green = src[(w - 1) * 4 + G];
124 *blue = src[(w - 1) * 4 + B];
125 *alpha = src[(w - 1) * 4 + A];
128 static inline void sub_left_prediction_rgb24(HYuvContext *s, uint8_t *dst,
130 int *red, int *green, int *blue)
137 for (i = 0; i < FFMIN(w, 16); i++) {
138 const int rt = src[i * 3 + 0];
139 const int gt = src[i * 3 + 1];
140 const int bt = src[i * 3 + 2];
141 dst[i * 3 + 0] = rt - r;
142 dst[i * 3 + 1] = gt - g;
143 dst[i * 3 + 2] = bt - b;
149 s->hencdsp.diff_bytes(dst + 48, src + 48, src + 48 - 3, w * 3 - 48);
151 *red = src[(w - 1) * 3 + 0];
152 *green = src[(w - 1) * 3 + 1];
153 *blue = src[(w - 1) * 3 + 2];
156 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)
159 s->hencdsp.sub_hfyu_median_pred(dst, src1, src2, w , left, left_top);
161 s->llviddsp.sub_hfyu_median_pred_int16((uint16_t *)dst, (const uint16_t *)src1, (const uint16_t *)src2, s->n - 1, w , left, left_top);
165 static int store_table(HYuvContext *s, const uint8_t *len, uint8_t *buf)
171 for (i = 0; i < n;) {
175 for (; i < n && len[i] == val && repeat < 255; i++)
178 av_assert0(val < 32 && val >0 && repeat < 256 && repeat>0);
181 buf[index++] = repeat;
183 buf[index++] = val | (repeat << 5);
190 static int store_huffman_tables(HYuvContext *s, uint8_t *buf)
197 count = 1 + s->alpha + 2*s->chroma;
199 for (i = 0; i < count; i++) {
200 if ((ret = ff_huff_gen_len_table(s->len[i], s->stats[i], s->vlc_n, 0)) < 0)
203 if (ff_huffyuv_generate_bits_table(s->bits[i], s->len[i], s->vlc_n) < 0) {
207 size += store_table(s, s->len[i], buf + size);
212 static av_cold int encode_init(AVCodecContext *avctx)
214 HYuvContext *s = avctx->priv_data;
217 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
219 ff_huffyuv_common_init(avctx);
220 ff_huffyuvencdsp_init(&s->hencdsp);
222 avctx->extradata = av_mallocz(3*MAX_N + 4);
223 if (s->flags&AV_CODEC_FLAG_PASS1) {
224 #define STATS_OUT_SIZE 21*MAX_N*3 + 4
225 avctx->stats_out = av_mallocz(STATS_OUT_SIZE); // 21*256*3(%llu ) + 3(\n) + 1(0) = 16132
226 if (!avctx->stats_out)
227 return AVERROR(ENOMEM);
231 if (!avctx->extradata)
232 return AVERROR(ENOMEM);
234 #if FF_API_CODED_FRAME
235 FF_DISABLE_DEPRECATION_WARNINGS
236 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
237 avctx->coded_frame->key_frame = 1;
238 FF_ENABLE_DEPRECATION_WARNINGS
240 #if FF_API_PRIVATE_OPT
241 FF_DISABLE_DEPRECATION_WARNINGS
242 if (avctx->context_model == 1)
243 s->context = avctx->context_model;
244 FF_ENABLE_DEPRECATION_WARNINGS
247 s->bps = desc->comp[0].depth;
248 s->yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB) && desc->nb_components >= 2;
249 s->chroma = desc->nb_components > 2;
250 s->alpha = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA);
251 av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
255 switch (avctx->pix_fmt) {
256 case AV_PIX_FMT_YUV420P:
257 case AV_PIX_FMT_YUV422P:
259 av_log(avctx, AV_LOG_ERROR, "Width must be even for this colorspace.\n");
260 return AVERROR(EINVAL);
262 s->bitstream_bpp = avctx->pix_fmt == AV_PIX_FMT_YUV420P ? 12 : 16;
264 case AV_PIX_FMT_YUV444P:
265 case AV_PIX_FMT_YUV410P:
266 case AV_PIX_FMT_YUV411P:
267 case AV_PIX_FMT_YUV440P:
268 case AV_PIX_FMT_GBRP:
269 case AV_PIX_FMT_GBRP9:
270 case AV_PIX_FMT_GBRP10:
271 case AV_PIX_FMT_GBRP12:
272 case AV_PIX_FMT_GBRP14:
273 case AV_PIX_FMT_GBRP16:
274 case AV_PIX_FMT_GRAY8:
275 case AV_PIX_FMT_GRAY16:
276 case AV_PIX_FMT_YUVA444P:
277 case AV_PIX_FMT_YUVA420P:
278 case AV_PIX_FMT_YUVA422P:
279 case AV_PIX_FMT_GBRAP:
280 case AV_PIX_FMT_GRAY8A:
281 case AV_PIX_FMT_YUV420P9:
282 case AV_PIX_FMT_YUV420P10:
283 case AV_PIX_FMT_YUV420P12:
284 case AV_PIX_FMT_YUV420P14:
285 case AV_PIX_FMT_YUV420P16:
286 case AV_PIX_FMT_YUV422P9:
287 case AV_PIX_FMT_YUV422P10:
288 case AV_PIX_FMT_YUV422P12:
289 case AV_PIX_FMT_YUV422P14:
290 case AV_PIX_FMT_YUV422P16:
291 case AV_PIX_FMT_YUV444P9:
292 case AV_PIX_FMT_YUV444P10:
293 case AV_PIX_FMT_YUV444P12:
294 case AV_PIX_FMT_YUV444P14:
295 case AV_PIX_FMT_YUV444P16:
296 case AV_PIX_FMT_YUVA420P9:
297 case AV_PIX_FMT_YUVA420P10:
298 case AV_PIX_FMT_YUVA420P16:
299 case AV_PIX_FMT_YUVA422P9:
300 case AV_PIX_FMT_YUVA422P10:
301 case AV_PIX_FMT_YUVA422P16:
302 case AV_PIX_FMT_YUVA444P9:
303 case AV_PIX_FMT_YUVA444P10:
304 case AV_PIX_FMT_YUVA444P16:
307 case AV_PIX_FMT_RGB32:
308 s->bitstream_bpp = 32;
310 case AV_PIX_FMT_RGB24:
311 s->bitstream_bpp = 24;
314 av_log(avctx, AV_LOG_ERROR, "format not supported\n");
315 return AVERROR(EINVAL);
318 s->vlc_n = FFMIN(s->n, MAX_VLC_N);
320 avctx->bits_per_coded_sample = s->bitstream_bpp;
321 s->decorrelate = s->bitstream_bpp >= 24 && !s->yuv && !(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
322 #if FF_API_PRIVATE_OPT
323 FF_DISABLE_DEPRECATION_WARNINGS
324 if (avctx->prediction_method)
325 s->predictor = avctx->prediction_method;
326 FF_ENABLE_DEPRECATION_WARNINGS
328 s->interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_ME ? 1 : 0;
330 if (s->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) {
331 av_log(avctx, AV_LOG_ERROR,
332 "context=1 is not compatible with "
333 "2 pass huffyuv encoding\n");
334 return AVERROR(EINVAL);
338 if (avctx->codec->id == AV_CODEC_ID_HUFFYUV) {
339 if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
340 av_log(avctx, AV_LOG_ERROR,
341 "Error: YV12 is not supported by huffyuv; use "
342 "vcodec=ffvhuff or format=422p\n");
343 return AVERROR(EINVAL);
345 #if FF_API_PRIVATE_OPT
347 av_log(avctx, AV_LOG_ERROR,
348 "Error: per-frame huffman tables are not supported "
349 "by huffyuv; use vcodec=ffvhuff\n");
350 return AVERROR(EINVAL);
352 if (s->version > 2) {
353 av_log(avctx, AV_LOG_ERROR,
354 "Error: ver>2 is not supported "
355 "by huffyuv; use vcodec=ffvhuff\n");
356 return AVERROR(EINVAL);
359 if (s->interlaced != ( s->height > 288 ))
360 av_log(avctx, AV_LOG_INFO,
361 "using huffyuv 2.2.0 or newer interlacing flag\n");
364 if (s->version > 3 && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
365 av_log(avctx, AV_LOG_ERROR, "Ver > 3 is under development, files encoded with it may not be decodable with future versions!!!\n"
366 "Use vstrict=-2 / -strict -2 to use it anyway.\n");
367 return AVERROR(EINVAL);
370 if (s->bitstream_bpp >= 24 && s->predictor == MEDIAN && s->version <= 2) {
371 av_log(avctx, AV_LOG_ERROR,
372 "Error: RGB is incompatible with median predictor\n");
373 return AVERROR(EINVAL);
376 ((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
377 ((uint8_t*)avctx->extradata)[2] = s->interlaced ? 0x10 : 0x20;
379 ((uint8_t*)avctx->extradata)[2] |= 0x40;
380 if (s->version < 3) {
381 ((uint8_t*)avctx->extradata)[1] = s->bitstream_bpp;
382 ((uint8_t*)avctx->extradata)[3] = 0;
384 ((uint8_t*)avctx->extradata)[1] = ((s->bps-1)<<4) | s->chroma_h_shift | (s->chroma_v_shift<<2);
386 ((uint8_t*)avctx->extradata)[2] |= s->yuv ? 1 : 2;
388 ((uint8_t*)avctx->extradata)[2] |= 4;
389 ((uint8_t*)avctx->extradata)[3] = 1;
391 s->avctx->extradata_size = 4;
393 if (avctx->stats_in) {
394 char *p = avctx->stats_in;
396 for (i = 0; i < 4; i++)
397 for (j = 0; j < s->vlc_n; j++)
401 for (i = 0; i < 4; i++) {
404 for (j = 0; j < s->vlc_n; j++) {
405 s->stats[i][j] += strtol(p, &next, 0);
406 if (next == p) return -1;
410 if (p[0] == 0 || p[1] == 0 || p[2] == 0) break;
413 for (i = 0; i < 4; i++)
414 for (j = 0; j < s->vlc_n; j++) {
415 int d = FFMIN(j, s->vlc_n - j);
417 s->stats[i][j] = 100000000 / (d*d + 1);
421 ret = store_huffman_tables(s, s->avctx->extradata + s->avctx->extradata_size);
424 s->avctx->extradata_size += ret;
427 for (i = 0; i < 4; i++) {
428 int pels = s->width * s->height / (i ? 40 : 10);
429 for (j = 0; j < s->vlc_n; j++) {
430 int d = FFMIN(j, s->vlc_n - j);
431 s->stats[i][j] = pels/(d*d + 1);
435 for (i = 0; i < 4; i++)
436 for (j = 0; j < s->vlc_n; j++)
440 if (ff_huffyuv_alloc_temp(s)) {
441 ff_huffyuv_common_end(s);
442 return AVERROR(ENOMEM);
449 static int encode_422_bitstream(HYuvContext *s, int offset, int count)
452 const uint8_t *y = s->temp[0] + offset;
453 const uint8_t *u = s->temp[1] + offset / 2;
454 const uint8_t *v = s->temp[2] + offset / 2;
456 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 2 * 4 * count) {
457 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
463 int y1 = y[2 * i + 1];\
469 if (s->flags & AV_CODEC_FLAG_PASS1) {
470 for(i = 0; i < count; i++) {
478 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
481 for (i = 0; i < count; i++) {
484 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
486 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
488 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
490 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
493 for(i = 0; i < count; i++) {
495 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
496 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
497 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
498 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
504 static int encode_plane_bitstream(HYuvContext *s, int width, int plane)
506 int i, count = width/2;
508 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < count * s->bps / 2) {
509 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
514 int y0 = s->temp[0][width-1];
516 int y0 = s->temp16[0][width-1] & mask;
518 int y0 = s->temp16[0][width-1];
520 s->stats[plane][y0]++;
522 s->stats[plane][y0>>2]++;
524 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);
526 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
527 put_bits(&s->pb, 2, y0&3);
530 int y0 = s->temp[0][2 * i];\
531 int y1 = s->temp[0][2 * i + 1];
533 int y0 = s->temp16[0][2 * i] & mask;\
534 int y1 = s->temp16[0][2 * i + 1] & mask;
536 int y0 = s->temp16[0][2 * i];\
537 int y1 = s->temp16[0][2 * i + 1];
539 s->stats[plane][y0]++;\
540 s->stats[plane][y1]++;
542 s->stats[plane][y0>>2]++;\
543 s->stats[plane][y1>>2]++;
545 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);\
546 put_bits(&s->pb, s->len[plane][y1], s->bits[plane][y1]);
548 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
549 put_bits(&s->pb, 2, y0&3);\
550 put_bits(&s->pb, s->len[plane][y1>>2], s->bits[plane][y1>>2]);\
551 put_bits(&s->pb, 2, y1&3);
554 if (s->flags & AV_CODEC_FLAG_PASS1) {
555 for (i = 0; i < count; i++) {
564 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
568 for (i = 0; i < count; i++) {
579 for (i = 0; i < count; i++) {
588 } else if (s->bps <= 14) {
590 if (s->flags & AV_CODEC_FLAG_PASS1) {
591 for (i = 0; i < count; i++) {
600 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
604 for (i = 0; i < count; i++) {
615 for (i = 0; i < count; i++) {
625 if (s->flags & AV_CODEC_FLAG_PASS1) {
626 for (i = 0; i < count; i++) {
635 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
639 for (i = 0; i < count; i++) {
650 for (i = 0; i < count; i++) {
666 static int encode_gray_bitstream(HYuvContext *s, int count)
670 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 4 * count) {
671 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
676 int y0 = s->temp[0][2 * i];\
677 int y1 = s->temp[0][2 * i + 1];
682 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
683 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
687 if (s->flags & AV_CODEC_FLAG_PASS1) {
688 for (i = 0; i < count; i++) {
693 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
697 for (i = 0; i < count; i++) {
703 for (i = 0; i < count; i++) {
711 static inline int encode_bgra_bitstream(HYuvContext *s, int count, int planes)
715 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) <
716 4 * planes * count) {
717 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
722 int g = s->temp[0][planes == 3 ? 3 * i + 1 : 4 * i + G]; \
723 int b =(s->temp[0][planes == 3 ? 3 * i + 2 : 4 * i + B] - g) & 0xFF;\
724 int r =(s->temp[0][planes == 3 ? 3 * i + 0 : 4 * i + R] - g) & 0xFF;\
725 int a = s->temp[0][planes * i + A];
735 put_bits(&s->pb, s->len[1][g], s->bits[1][g]); \
736 put_bits(&s->pb, s->len[0][b], s->bits[0][b]); \
737 put_bits(&s->pb, s->len[2][r], s->bits[2][r]); \
739 put_bits(&s->pb, s->len[2][a], s->bits[2][a]);
741 if ((s->flags & AV_CODEC_FLAG_PASS1) &&
742 (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
743 for (i = 0; i < count; i++) {
747 } else if (s->context || (s->flags & AV_CODEC_FLAG_PASS1)) {
748 for (i = 0; i < count; i++) {
754 for (i = 0; i < count; i++) {
762 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
763 const AVFrame *pict, int *got_packet)
765 HYuvContext *s = avctx->priv_data;
766 const int width = s->width;
767 const int width2 = s->width>>1;
768 const int height = s->height;
769 const int fake_ystride = s->interlaced ? pict->linesize[0]*2 : pict->linesize[0];
770 const int fake_ustride = s->interlaced ? pict->linesize[1]*2 : pict->linesize[1];
771 const int fake_vstride = s->interlaced ? pict->linesize[2]*2 : pict->linesize[2];
772 const AVFrame * const p = pict;
773 int i, j, size = 0, ret;
775 if ((ret = ff_alloc_packet2(avctx, pkt, width * height * 3 * 4 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
779 size = store_huffman_tables(s, pkt->data);
783 for (i = 0; i < 4; i++)
784 for (j = 0; j < s->vlc_n; j++)
785 s->stats[i][j] >>= 1;
788 init_put_bits(&s->pb, pkt->data + size, pkt->size - size);
790 if (avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
791 avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
792 int lefty, leftu, leftv, y, cy;
794 put_bits(&s->pb, 8, leftv = p->data[2][0]);
795 put_bits(&s->pb, 8, lefty = p->data[0][1]);
796 put_bits(&s->pb, 8, leftu = p->data[1][0]);
797 put_bits(&s->pb, 8, p->data[0][0]);
799 lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
800 leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
801 leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
803 encode_422_bitstream(s, 2, width-2);
805 if (s->predictor==MEDIAN) {
806 int lefttopy, lefttopu, lefttopv;
809 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + p->linesize[0], width , lefty);
810 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + p->linesize[1], width2, leftu);
811 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + p->linesize[2], width2, leftv);
813 encode_422_bitstream(s, 0, width);
817 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty);
818 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + fake_ustride, 2, leftu);
819 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + fake_vstride, 2, leftv);
821 encode_422_bitstream(s, 0, 4);
823 lefttopy = p->data[0][3];
824 lefttopu = p->data[1][1];
825 lefttopv = p->data[2][1];
826 s->hencdsp.sub_hfyu_median_pred(s->temp[0], p->data[0] + 4, p->data[0] + fake_ystride + 4, width - 4, &lefty, &lefttopy);
827 s->hencdsp.sub_hfyu_median_pred(s->temp[1], p->data[1] + 2, p->data[1] + fake_ustride + 2, width2 - 2, &leftu, &lefttopu);
828 s->hencdsp.sub_hfyu_median_pred(s->temp[2], p->data[2] + 2, p->data[2] + fake_vstride + 2, width2 - 2, &leftv, &lefttopv);
829 encode_422_bitstream(s, 0, width - 4);
832 for (; y < height; y++,cy++) {
833 uint8_t *ydst, *udst, *vdst;
835 if (s->bitstream_bpp == 12) {
837 ydst = p->data[0] + p->linesize[0] * y;
838 s->hencdsp.sub_hfyu_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
839 encode_gray_bitstream(s, width);
842 if (y >= height) break;
844 ydst = p->data[0] + p->linesize[0] * y;
845 udst = p->data[1] + p->linesize[1] * cy;
846 vdst = p->data[2] + p->linesize[2] * cy;
848 s->hencdsp.sub_hfyu_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
849 s->hencdsp.sub_hfyu_median_pred(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
850 s->hencdsp.sub_hfyu_median_pred(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv);
852 encode_422_bitstream(s, 0, width);
855 for (cy = y = 1; y < height; y++, cy++) {
856 uint8_t *ydst, *udst, *vdst;
858 /* encode a luma only line & y++ */
859 if (s->bitstream_bpp == 12) {
860 ydst = p->data[0] + p->linesize[0] * y;
862 if (s->predictor == PLANE && s->interlaced < y) {
863 s->hencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
865 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
867 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
869 encode_gray_bitstream(s, width);
871 if (y >= height) break;
874 ydst = p->data[0] + p->linesize[0] * y;
875 udst = p->data[1] + p->linesize[1] * cy;
876 vdst = p->data[2] + p->linesize[2] * cy;
878 if (s->predictor == PLANE && s->interlaced < cy) {
879 s->hencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
880 s->hencdsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
881 s->hencdsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
883 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
884 leftu = sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
885 leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
887 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
888 leftu = sub_left_prediction(s, s->temp[1], udst, width2, leftu);
889 leftv = sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
892 encode_422_bitstream(s, 0, width);
895 } else if(avctx->pix_fmt == AV_PIX_FMT_RGB32) {
896 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
897 const int stride = -p->linesize[0];
898 const int fake_stride = -fake_ystride;
900 int leftr, leftg, leftb, lefta;
902 put_bits(&s->pb, 8, lefta = data[A]);
903 put_bits(&s->pb, 8, leftr = data[R]);
904 put_bits(&s->pb, 8, leftg = data[G]);
905 put_bits(&s->pb, 8, leftb = data[B]);
907 sub_left_prediction_bgr32(s, s->temp[0], data + 4, width - 1,
908 &leftr, &leftg, &leftb, &lefta);
909 encode_bgra_bitstream(s, width - 1, 4);
911 for (y = 1; y < s->height; y++) {
912 uint8_t *dst = data + y*stride;
913 if (s->predictor == PLANE && s->interlaced < y) {
914 s->hencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width * 4);
915 sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width,
916 &leftr, &leftg, &leftb, &lefta);
918 sub_left_prediction_bgr32(s, s->temp[0], dst, width,
919 &leftr, &leftg, &leftb, &lefta);
921 encode_bgra_bitstream(s, width, 4);
923 } else if (avctx->pix_fmt == AV_PIX_FMT_RGB24) {
924 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
925 const int stride = -p->linesize[0];
926 const int fake_stride = -fake_ystride;
928 int leftr, leftg, leftb;
930 put_bits(&s->pb, 8, leftr = data[0]);
931 put_bits(&s->pb, 8, leftg = data[1]);
932 put_bits(&s->pb, 8, leftb = data[2]);
933 put_bits(&s->pb, 8, 0);
935 sub_left_prediction_rgb24(s, s->temp[0], data + 3, width - 1,
936 &leftr, &leftg, &leftb);
937 encode_bgra_bitstream(s, width-1, 3);
939 for (y = 1; y < s->height; y++) {
940 uint8_t *dst = data + y * stride;
941 if (s->predictor == PLANE && s->interlaced < y) {
942 s->hencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride,
944 sub_left_prediction_rgb24(s, s->temp[0], s->temp[1], width,
945 &leftr, &leftg, &leftb);
947 sub_left_prediction_rgb24(s, s->temp[0], dst, width,
948 &leftr, &leftg, &leftb);
950 encode_bgra_bitstream(s, width, 3);
952 } else if (s->version > 2) {
954 for (plane = 0; plane < 1 + 2*s->chroma + s->alpha; plane++) {
958 int fake_stride = fake_ystride;
960 if (s->chroma && (plane == 1 || plane == 2)) {
961 w >>= s->chroma_h_shift;
962 h >>= s->chroma_v_shift;
963 fake_stride = plane == 1 ? fake_ustride : fake_vstride;
966 left = sub_left_prediction(s, s->temp[0], p->data[plane], w , 0);
968 encode_plane_bitstream(s, w, plane);
970 if (s->predictor==MEDIAN) {
974 left = sub_left_prediction(s, s->temp[0], p->data[plane] + p->linesize[plane], w , left);
976 encode_plane_bitstream(s, w, plane);
980 lefttop = p->data[plane][0];
983 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
985 sub_median_prediction(s, s->temp[0], dst - fake_stride, dst, w , &left, &lefttop);
987 encode_plane_bitstream(s, w, plane);
990 for (y = 1; y < h; y++) {
991 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
993 if (s->predictor == PLANE && s->interlaced < y) {
994 diff_bytes(s, s->temp[1], dst, dst - fake_stride, w);
996 left = sub_left_prediction(s, s->temp[0], s->temp[1], w , left);
998 left = sub_left_prediction(s, s->temp[0], dst, w , left);
1001 encode_plane_bitstream(s, w, plane);
1006 av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
1010 size += (put_bits_count(&s->pb) + 31) / 8;
1011 put_bits(&s->pb, 16, 0);
1012 put_bits(&s->pb, 15, 0);
1015 if ((s->flags & AV_CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
1017 char *p = avctx->stats_out;
1018 char *end = p + STATS_OUT_SIZE;
1019 for (i = 0; i < 4; i++) {
1020 for (j = 0; j < s->vlc_n; j++) {
1021 snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
1025 snprintf(p, end-p, "\n");
1028 return AVERROR(ENOMEM);
1030 } else if (avctx->stats_out)
1031 avctx->stats_out[0] = '\0';
1032 if (!(s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
1033 flush_put_bits(&s->pb);
1034 s->bdsp.bswap_buf((uint32_t *) pkt->data, (uint32_t *) pkt->data, size);
1037 s->picture_number++;
1039 pkt->size = size * 4;
1040 pkt->flags |= AV_PKT_FLAG_KEY;
1046 static av_cold int encode_end(AVCodecContext *avctx)
1048 HYuvContext *s = avctx->priv_data;
1050 ff_huffyuv_common_end(s);
1052 av_freep(&avctx->extradata);
1053 av_freep(&avctx->stats_out);
1058 #define OFFSET(x) offsetof(HYuvContext, x)
1059 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1061 #define COMMON_OPTIONS \
1062 { "non_deterministic", "Allow multithreading for e.g. context=1 at the expense of determinism", \
1063 OFFSET(non_determ), AV_OPT_TYPE_BOOL, { .i64 = 1 }, \
1065 { "pred", "Prediction method", OFFSET(predictor), AV_OPT_TYPE_INT, { .i64 = LEFT }, LEFT, MEDIAN, VE, "pred" }, \
1066 { "left", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LEFT }, INT_MIN, INT_MAX, VE, "pred" }, \
1067 { "plane", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PLANE }, INT_MIN, INT_MAX, VE, "pred" }, \
1068 { "median", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MEDIAN }, INT_MIN, INT_MAX, VE, "pred" }, \
1070 static const AVOption normal_options[] = {
1075 static const AVOption ff_options[] = {
1077 { "context", "Set per-frame huffman tables", OFFSET(context), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
1081 static const AVClass normal_class = {
1082 .class_name = "huffyuv",
1083 .item_name = av_default_item_name,
1084 .option = normal_options,
1085 .version = LIBAVUTIL_VERSION_INT,
1088 static const AVClass ff_class = {
1089 .class_name = "ffvhuff",
1090 .item_name = av_default_item_name,
1091 .option = ff_options,
1092 .version = LIBAVUTIL_VERSION_INT,
1095 AVCodec ff_huffyuv_encoder = {
1097 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
1098 .type = AVMEDIA_TYPE_VIDEO,
1099 .id = AV_CODEC_ID_HUFFYUV,
1100 .priv_data_size = sizeof(HYuvContext),
1101 .init = encode_init,
1102 .encode2 = encode_frame,
1103 .close = encode_end,
1104 .capabilities = AV_CODEC_CAP_FRAME_THREADS | AV_CODEC_CAP_INTRA_ONLY,
1105 .priv_class = &normal_class,
1106 .pix_fmts = (const enum AVPixelFormat[]){
1107 AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB24,
1108 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1110 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1111 FF_CODEC_CAP_INIT_CLEANUP,
1114 #if CONFIG_FFVHUFF_ENCODER
1115 AVCodec ff_ffvhuff_encoder = {
1117 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
1118 .type = AVMEDIA_TYPE_VIDEO,
1119 .id = AV_CODEC_ID_FFVHUFF,
1120 .priv_data_size = sizeof(HYuvContext),
1121 .init = encode_init,
1122 .encode2 = encode_frame,
1123 .close = encode_end,
1124 .capabilities = AV_CODEC_CAP_FRAME_THREADS | AV_CODEC_CAP_INTRA_ONLY,
1125 .priv_class = &ff_class,
1126 .pix_fmts = (const enum AVPixelFormat[]){
1127 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV411P,
1128 AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
1130 AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
1131 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16,
1132 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
1135 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16,
1136 AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16,
1137 AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16,
1138 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
1139 AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16,
1140 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16,
1142 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1144 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1145 FF_CODEC_CAP_INIT_CLEANUP,