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"
36 #include "lossless_videoencdsp.h"
38 #include "libavutil/opt.h"
39 #include "libavutil/pixdesc.h"
41 static inline void diff_bytes(HYuvContext *s, uint8_t *dst,
42 const uint8_t *src0, const uint8_t *src1, int w)
45 s->llvidencdsp.diff_bytes(dst, src0, src1, w);
47 s->hencdsp.diff_int16((uint16_t *)dst, (const uint16_t *)src0, (const uint16_t *)src1, s->n - 1, w);
51 static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst,
52 const uint8_t *src, int w, int left)
57 for (i = 0; i < w; i++) {
58 const int temp = src[i];
64 for (i = 0; i < 32; i++) {
65 const int temp = src[i];
69 s->llvidencdsp.diff_bytes(dst + 32, src + 32, src + 31, w - 32);
73 const uint16_t *src16 = (const uint16_t *)src;
74 uint16_t *dst16 = ( uint16_t *)dst;
76 for (i = 0; i < w; i++) {
77 const int temp = src16[i];
78 dst16[i] = temp - left;
83 for (i = 0; i < 16; i++) {
84 const int temp = src16[i];
85 dst16[i] = temp - left;
88 s->hencdsp.diff_int16(dst16 + 16, src16 + 16, src16 + 15, s->n - 1, w - 16);
94 static inline void sub_left_prediction_bgr32(HYuvContext *s, uint8_t *dst,
95 const uint8_t *src, int w,
96 int *red, int *green, int *blue,
106 for (i = 0; i < FFMIN(w, 4); i++) {
107 const int rt = src[i * 4 + R];
108 const int gt = src[i * 4 + G];
109 const int bt = src[i * 4 + B];
110 const int at = src[i * 4 + A];
111 dst[i * 4 + R] = rt - r;
112 dst[i * 4 + G] = gt - g;
113 dst[i * 4 + B] = bt - b;
114 dst[i * 4 + A] = at - a;
121 s->llvidencdsp.diff_bytes(dst + 16, src + 16, src + 12, w * 4 - 16);
123 *red = src[(w - 1) * 4 + R];
124 *green = src[(w - 1) * 4 + G];
125 *blue = src[(w - 1) * 4 + B];
126 *alpha = src[(w - 1) * 4 + A];
129 static inline void sub_left_prediction_rgb24(HYuvContext *s, uint8_t *dst,
131 int *red, int *green, int *blue)
138 for (i = 0; i < FFMIN(w, 16); i++) {
139 const int rt = src[i * 3 + 0];
140 const int gt = src[i * 3 + 1];
141 const int bt = src[i * 3 + 2];
142 dst[i * 3 + 0] = rt - r;
143 dst[i * 3 + 1] = gt - g;
144 dst[i * 3 + 2] = bt - b;
150 s->llvidencdsp.diff_bytes(dst + 48, src + 48, src + 48 - 3, w * 3 - 48);
152 *red = src[(w - 1) * 3 + 0];
153 *green = src[(w - 1) * 3 + 1];
154 *blue = src[(w - 1) * 3 + 2];
157 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)
160 s->llvidencdsp.sub_median_pred(dst, src1, src2, w , left, left_top);
162 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);
166 static int store_table(HYuvContext *s, const uint8_t *len, uint8_t *buf)
172 for (i = 0; i < n;) {
176 for (; i < n && len[i] == val && repeat < 255; i++)
179 av_assert0(val < 32 && val >0 && repeat < 256 && repeat>0);
182 buf[index++] = repeat;
184 buf[index++] = val | (repeat << 5);
191 static int store_huffman_tables(HYuvContext *s, uint8_t *buf)
198 count = 1 + s->alpha + 2*s->chroma;
200 for (i = 0; i < count; i++) {
201 if ((ret = ff_huff_gen_len_table(s->len[i], s->stats[i], s->vlc_n, 0)) < 0)
204 if (ff_huffyuv_generate_bits_table(s->bits[i], s->len[i], s->vlc_n) < 0) {
208 size += store_table(s, s->len[i], buf + size);
213 static av_cold int encode_init(AVCodecContext *avctx)
215 HYuvContext *s = avctx->priv_data;
218 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
220 ff_huffyuv_common_init(avctx);
221 ff_huffyuvencdsp_init(&s->hencdsp, avctx);
222 ff_llvidencdsp_init(&s->llvidencdsp);
224 avctx->extradata = av_mallocz(3*MAX_N + 4);
225 if (s->flags&AV_CODEC_FLAG_PASS1) {
226 #define STATS_OUT_SIZE 21*MAX_N*3 + 4
227 avctx->stats_out = av_mallocz(STATS_OUT_SIZE); // 21*256*3(%llu ) + 3(\n) + 1(0) = 16132
228 if (!avctx->stats_out)
229 return AVERROR(ENOMEM);
233 if (!avctx->extradata)
234 return AVERROR(ENOMEM);
236 #if FF_API_CODED_FRAME
237 FF_DISABLE_DEPRECATION_WARNINGS
238 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
239 avctx->coded_frame->key_frame = 1;
240 FF_ENABLE_DEPRECATION_WARNINGS
242 #if FF_API_PRIVATE_OPT
243 FF_DISABLE_DEPRECATION_WARNINGS
244 if (avctx->context_model == 1)
245 s->context = avctx->context_model;
246 FF_ENABLE_DEPRECATION_WARNINGS
249 s->bps = desc->comp[0].depth;
250 s->yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB) && desc->nb_components >= 2;
251 s->chroma = desc->nb_components > 2;
252 s->alpha = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA);
253 av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
257 switch (avctx->pix_fmt) {
258 case AV_PIX_FMT_YUV420P:
259 case AV_PIX_FMT_YUV422P:
261 av_log(avctx, AV_LOG_ERROR, "Width must be even for this colorspace.\n");
262 return AVERROR(EINVAL);
264 s->bitstream_bpp = avctx->pix_fmt == AV_PIX_FMT_YUV420P ? 12 : 16;
266 case AV_PIX_FMT_YUV444P:
267 case AV_PIX_FMT_YUV410P:
268 case AV_PIX_FMT_YUV411P:
269 case AV_PIX_FMT_YUV440P:
270 case AV_PIX_FMT_GBRP:
271 case AV_PIX_FMT_GBRP9:
272 case AV_PIX_FMT_GBRP10:
273 case AV_PIX_FMT_GBRP12:
274 case AV_PIX_FMT_GBRP14:
275 case AV_PIX_FMT_GBRP16:
276 case AV_PIX_FMT_GRAY8:
277 case AV_PIX_FMT_GRAY16:
278 case AV_PIX_FMT_YUVA444P:
279 case AV_PIX_FMT_YUVA420P:
280 case AV_PIX_FMT_YUVA422P:
281 case AV_PIX_FMT_GBRAP:
282 case AV_PIX_FMT_GRAY8A:
283 case AV_PIX_FMT_YUV420P9:
284 case AV_PIX_FMT_YUV420P10:
285 case AV_PIX_FMT_YUV420P12:
286 case AV_PIX_FMT_YUV420P14:
287 case AV_PIX_FMT_YUV420P16:
288 case AV_PIX_FMT_YUV422P9:
289 case AV_PIX_FMT_YUV422P10:
290 case AV_PIX_FMT_YUV422P12:
291 case AV_PIX_FMT_YUV422P14:
292 case AV_PIX_FMT_YUV422P16:
293 case AV_PIX_FMT_YUV444P9:
294 case AV_PIX_FMT_YUV444P10:
295 case AV_PIX_FMT_YUV444P12:
296 case AV_PIX_FMT_YUV444P14:
297 case AV_PIX_FMT_YUV444P16:
298 case AV_PIX_FMT_YUVA420P9:
299 case AV_PIX_FMT_YUVA420P10:
300 case AV_PIX_FMT_YUVA420P16:
301 case AV_PIX_FMT_YUVA422P9:
302 case AV_PIX_FMT_YUVA422P10:
303 case AV_PIX_FMT_YUVA422P16:
304 case AV_PIX_FMT_YUVA444P9:
305 case AV_PIX_FMT_YUVA444P10:
306 case AV_PIX_FMT_YUVA444P16:
309 case AV_PIX_FMT_RGB32:
310 s->bitstream_bpp = 32;
312 case AV_PIX_FMT_RGB24:
313 s->bitstream_bpp = 24;
316 av_log(avctx, AV_LOG_ERROR, "format not supported\n");
317 return AVERROR(EINVAL);
320 s->vlc_n = FFMIN(s->n, MAX_VLC_N);
322 avctx->bits_per_coded_sample = s->bitstream_bpp;
323 s->decorrelate = s->bitstream_bpp >= 24 && !s->yuv && !(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
324 #if FF_API_PRIVATE_OPT
325 FF_DISABLE_DEPRECATION_WARNINGS
326 if (avctx->prediction_method)
327 s->predictor = avctx->prediction_method;
328 FF_ENABLE_DEPRECATION_WARNINGS
330 s->interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_ME ? 1 : 0;
332 if (s->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) {
333 av_log(avctx, AV_LOG_ERROR,
334 "context=1 is not compatible with "
335 "2 pass huffyuv encoding\n");
336 return AVERROR(EINVAL);
340 if (avctx->codec->id == AV_CODEC_ID_HUFFYUV) {
341 if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
342 av_log(avctx, AV_LOG_ERROR,
343 "Error: YV12 is not supported by huffyuv; use "
344 "vcodec=ffvhuff or format=422p\n");
345 return AVERROR(EINVAL);
347 #if FF_API_PRIVATE_OPT
349 av_log(avctx, AV_LOG_ERROR,
350 "Error: per-frame huffman tables are not supported "
351 "by huffyuv; use vcodec=ffvhuff\n");
352 return AVERROR(EINVAL);
354 if (s->version > 2) {
355 av_log(avctx, AV_LOG_ERROR,
356 "Error: ver>2 is not supported "
357 "by huffyuv; use vcodec=ffvhuff\n");
358 return AVERROR(EINVAL);
361 if (s->interlaced != ( s->height > 288 ))
362 av_log(avctx, AV_LOG_INFO,
363 "using huffyuv 2.2.0 or newer interlacing flag\n");
366 if (s->version > 3 && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
367 av_log(avctx, AV_LOG_ERROR, "Ver > 3 is under development, files encoded with it may not be decodable with future versions!!!\n"
368 "Use vstrict=-2 / -strict -2 to use it anyway.\n");
369 return AVERROR(EINVAL);
372 if (s->bitstream_bpp >= 24 && s->predictor == MEDIAN && s->version <= 2) {
373 av_log(avctx, AV_LOG_ERROR,
374 "Error: RGB is incompatible with median predictor\n");
375 return AVERROR(EINVAL);
378 ((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
379 ((uint8_t*)avctx->extradata)[2] = s->interlaced ? 0x10 : 0x20;
381 ((uint8_t*)avctx->extradata)[2] |= 0x40;
382 if (s->version < 3) {
383 ((uint8_t*)avctx->extradata)[1] = s->bitstream_bpp;
384 ((uint8_t*)avctx->extradata)[3] = 0;
386 ((uint8_t*)avctx->extradata)[1] = ((s->bps-1)<<4) | s->chroma_h_shift | (s->chroma_v_shift<<2);
388 ((uint8_t*)avctx->extradata)[2] |= s->yuv ? 1 : 2;
390 ((uint8_t*)avctx->extradata)[2] |= 4;
391 ((uint8_t*)avctx->extradata)[3] = 1;
393 s->avctx->extradata_size = 4;
395 if (avctx->stats_in) {
396 char *p = avctx->stats_in;
398 for (i = 0; i < 4; i++)
399 for (j = 0; j < s->vlc_n; j++)
403 for (i = 0; i < 4; i++) {
406 for (j = 0; j < s->vlc_n; j++) {
407 s->stats[i][j] += strtol(p, &next, 0);
408 if (next == p) return -1;
412 if (p[0] == 0 || p[1] == 0 || p[2] == 0) break;
415 for (i = 0; i < 4; i++)
416 for (j = 0; j < s->vlc_n; j++) {
417 int d = FFMIN(j, s->vlc_n - j);
419 s->stats[i][j] = 100000000 / (d*d + 1);
423 ret = store_huffman_tables(s, s->avctx->extradata + s->avctx->extradata_size);
426 s->avctx->extradata_size += ret;
429 for (i = 0; i < 4; i++) {
430 int pels = s->width * s->height / (i ? 40 : 10);
431 for (j = 0; j < s->vlc_n; j++) {
432 int d = FFMIN(j, s->vlc_n - j);
433 s->stats[i][j] = pels/(d*d + 1);
437 for (i = 0; i < 4; i++)
438 for (j = 0; j < s->vlc_n; j++)
442 if (ff_huffyuv_alloc_temp(s)) {
443 ff_huffyuv_common_end(s);
444 return AVERROR(ENOMEM);
451 static int encode_422_bitstream(HYuvContext *s, int offset, int count)
454 const uint8_t *y = s->temp[0] + offset;
455 const uint8_t *u = s->temp[1] + offset / 2;
456 const uint8_t *v = s->temp[2] + offset / 2;
458 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 2 * 4 * count) {
459 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
465 int y1 = y[2 * i + 1];\
471 if (s->flags & AV_CODEC_FLAG_PASS1) {
472 for(i = 0; i < count; i++) {
480 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
483 for (i = 0; i < count; i++) {
486 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
488 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
490 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
492 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
495 for(i = 0; i < count; i++) {
497 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
498 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
499 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
500 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
506 static int encode_plane_bitstream(HYuvContext *s, int width, int plane)
508 int i, count = width/2;
510 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < count * s->bps / 2) {
511 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
516 int y0 = s->temp[0][width-1];
518 int y0 = s->temp16[0][width-1] & mask;
520 int y0 = s->temp16[0][width-1];
522 s->stats[plane][y0]++;
524 s->stats[plane][y0>>2]++;
526 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);
528 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
529 put_bits(&s->pb, 2, y0&3);
532 int y0 = s->temp[0][2 * i];\
533 int y1 = s->temp[0][2 * i + 1];
535 int y0 = s->temp16[0][2 * i] & mask;\
536 int y1 = s->temp16[0][2 * i + 1] & mask;
538 int y0 = s->temp16[0][2 * i];\
539 int y1 = s->temp16[0][2 * i + 1];
541 s->stats[plane][y0]++;\
542 s->stats[plane][y1]++;
544 s->stats[plane][y0>>2]++;\
545 s->stats[plane][y1>>2]++;
547 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);\
548 put_bits(&s->pb, s->len[plane][y1], s->bits[plane][y1]);
550 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
551 put_bits(&s->pb, 2, y0&3);\
552 put_bits(&s->pb, s->len[plane][y1>>2], s->bits[plane][y1>>2]);\
553 put_bits(&s->pb, 2, y1&3);
556 if (s->flags & AV_CODEC_FLAG_PASS1) {
557 for (i = 0; i < count; i++) {
566 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
570 for (i = 0; i < count; i++) {
581 for (i = 0; i < count; i++) {
590 } else if (s->bps <= 14) {
592 if (s->flags & AV_CODEC_FLAG_PASS1) {
593 for (i = 0; i < count; i++) {
602 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
606 for (i = 0; i < count; i++) {
617 for (i = 0; i < count; i++) {
627 if (s->flags & AV_CODEC_FLAG_PASS1) {
628 for (i = 0; i < count; i++) {
637 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
641 for (i = 0; i < count; i++) {
652 for (i = 0; i < count; i++) {
668 static int encode_gray_bitstream(HYuvContext *s, int count)
672 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 4 * count) {
673 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
678 int y0 = s->temp[0][2 * i];\
679 int y1 = s->temp[0][2 * i + 1];
684 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
685 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
689 if (s->flags & AV_CODEC_FLAG_PASS1) {
690 for (i = 0; i < count; i++) {
695 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
699 for (i = 0; i < count; i++) {
705 for (i = 0; i < count; i++) {
713 static inline int encode_bgra_bitstream(HYuvContext *s, int count, int planes)
717 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) <
718 4 * planes * count) {
719 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
724 int g = s->temp[0][planes == 3 ? 3 * i + 1 : 4 * i + G]; \
725 int b =(s->temp[0][planes == 3 ? 3 * i + 2 : 4 * i + B] - g) & 0xFF;\
726 int r =(s->temp[0][planes == 3 ? 3 * i + 0 : 4 * i + R] - g) & 0xFF;\
727 int a = s->temp[0][planes * i + A];
737 put_bits(&s->pb, s->len[1][g], s->bits[1][g]); \
738 put_bits(&s->pb, s->len[0][b], s->bits[0][b]); \
739 put_bits(&s->pb, s->len[2][r], s->bits[2][r]); \
741 put_bits(&s->pb, s->len[2][a], s->bits[2][a]);
743 if ((s->flags & AV_CODEC_FLAG_PASS1) &&
744 (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
745 for (i = 0; i < count; i++) {
749 } else if (s->context || (s->flags & AV_CODEC_FLAG_PASS1)) {
750 for (i = 0; i < count; i++) {
756 for (i = 0; i < count; i++) {
764 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
765 const AVFrame *pict, int *got_packet)
767 HYuvContext *s = avctx->priv_data;
768 const int width = s->width;
769 const int width2 = s->width>>1;
770 const int height = s->height;
771 const int fake_ystride = s->interlaced ? pict->linesize[0]*2 : pict->linesize[0];
772 const int fake_ustride = s->interlaced ? pict->linesize[1]*2 : pict->linesize[1];
773 const int fake_vstride = s->interlaced ? pict->linesize[2]*2 : pict->linesize[2];
774 const AVFrame * const p = pict;
775 int i, j, size = 0, ret;
777 if ((ret = ff_alloc_packet2(avctx, pkt, width * height * 3 * 4 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
781 size = store_huffman_tables(s, pkt->data);
785 for (i = 0; i < 4; i++)
786 for (j = 0; j < s->vlc_n; j++)
787 s->stats[i][j] >>= 1;
790 init_put_bits(&s->pb, pkt->data + size, pkt->size - size);
792 if (avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
793 avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
794 int lefty, leftu, leftv, y, cy;
796 put_bits(&s->pb, 8, leftv = p->data[2][0]);
797 put_bits(&s->pb, 8, lefty = p->data[0][1]);
798 put_bits(&s->pb, 8, leftu = p->data[1][0]);
799 put_bits(&s->pb, 8, p->data[0][0]);
801 lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
802 leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
803 leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
805 encode_422_bitstream(s, 2, width-2);
807 if (s->predictor==MEDIAN) {
808 int lefttopy, lefttopu, lefttopv;
811 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + p->linesize[0], width , lefty);
812 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + p->linesize[1], width2, leftu);
813 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + p->linesize[2], width2, leftv);
815 encode_422_bitstream(s, 0, width);
819 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty);
820 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + fake_ustride, 2, leftu);
821 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + fake_vstride, 2, leftv);
823 encode_422_bitstream(s, 0, 4);
825 lefttopy = p->data[0][3];
826 lefttopu = p->data[1][1];
827 lefttopv = p->data[2][1];
828 s->llvidencdsp.sub_median_pred(s->temp[0], p->data[0] + 4, p->data[0] + fake_ystride + 4, width - 4, &lefty, &lefttopy);
829 s->llvidencdsp.sub_median_pred(s->temp[1], p->data[1] + 2, p->data[1] + fake_ustride + 2, width2 - 2, &leftu, &lefttopu);
830 s->llvidencdsp.sub_median_pred(s->temp[2], p->data[2] + 2, p->data[2] + fake_vstride + 2, width2 - 2, &leftv, &lefttopv);
831 encode_422_bitstream(s, 0, width - 4);
834 for (; y < height; y++,cy++) {
835 uint8_t *ydst, *udst, *vdst;
837 if (s->bitstream_bpp == 12) {
839 ydst = p->data[0] + p->linesize[0] * y;
840 s->llvidencdsp.sub_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
841 encode_gray_bitstream(s, width);
844 if (y >= height) break;
846 ydst = p->data[0] + p->linesize[0] * y;
847 udst = p->data[1] + p->linesize[1] * cy;
848 vdst = p->data[2] + p->linesize[2] * cy;
850 s->llvidencdsp.sub_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
851 s->llvidencdsp.sub_median_pred(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
852 s->llvidencdsp.sub_median_pred(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv);
854 encode_422_bitstream(s, 0, width);
857 for (cy = y = 1; y < height; y++, cy++) {
858 uint8_t *ydst, *udst, *vdst;
860 /* encode a luma only line & y++ */
861 if (s->bitstream_bpp == 12) {
862 ydst = p->data[0] + p->linesize[0] * y;
864 if (s->predictor == PLANE && s->interlaced < y) {
865 s->llvidencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
867 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
869 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
871 encode_gray_bitstream(s, width);
873 if (y >= height) break;
876 ydst = p->data[0] + p->linesize[0] * y;
877 udst = p->data[1] + p->linesize[1] * cy;
878 vdst = p->data[2] + p->linesize[2] * cy;
880 if (s->predictor == PLANE && s->interlaced < cy) {
881 s->llvidencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
882 s->llvidencdsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
883 s->llvidencdsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
885 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
886 leftu = sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
887 leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
889 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
890 leftu = sub_left_prediction(s, s->temp[1], udst, width2, leftu);
891 leftv = sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
894 encode_422_bitstream(s, 0, width);
897 } else if(avctx->pix_fmt == AV_PIX_FMT_RGB32) {
898 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
899 const int stride = -p->linesize[0];
900 const int fake_stride = -fake_ystride;
902 int leftr, leftg, leftb, lefta;
904 put_bits(&s->pb, 8, lefta = data[A]);
905 put_bits(&s->pb, 8, leftr = data[R]);
906 put_bits(&s->pb, 8, leftg = data[G]);
907 put_bits(&s->pb, 8, leftb = data[B]);
909 sub_left_prediction_bgr32(s, s->temp[0], data + 4, width - 1,
910 &leftr, &leftg, &leftb, &lefta);
911 encode_bgra_bitstream(s, width - 1, 4);
913 for (y = 1; y < s->height; y++) {
914 uint8_t *dst = data + y*stride;
915 if (s->predictor == PLANE && s->interlaced < y) {
916 s->llvidencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width * 4);
917 sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width,
918 &leftr, &leftg, &leftb, &lefta);
920 sub_left_prediction_bgr32(s, s->temp[0], dst, width,
921 &leftr, &leftg, &leftb, &lefta);
923 encode_bgra_bitstream(s, width, 4);
925 } else if (avctx->pix_fmt == AV_PIX_FMT_RGB24) {
926 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
927 const int stride = -p->linesize[0];
928 const int fake_stride = -fake_ystride;
930 int leftr, leftg, leftb;
932 put_bits(&s->pb, 8, leftr = data[0]);
933 put_bits(&s->pb, 8, leftg = data[1]);
934 put_bits(&s->pb, 8, leftb = data[2]);
935 put_bits(&s->pb, 8, 0);
937 sub_left_prediction_rgb24(s, s->temp[0], data + 3, width - 1,
938 &leftr, &leftg, &leftb);
939 encode_bgra_bitstream(s, width-1, 3);
941 for (y = 1; y < s->height; y++) {
942 uint8_t *dst = data + y * stride;
943 if (s->predictor == PLANE && s->interlaced < y) {
944 s->llvidencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride,
946 sub_left_prediction_rgb24(s, s->temp[0], s->temp[1], width,
947 &leftr, &leftg, &leftb);
949 sub_left_prediction_rgb24(s, s->temp[0], dst, width,
950 &leftr, &leftg, &leftb);
952 encode_bgra_bitstream(s, width, 3);
954 } else if (s->version > 2) {
956 for (plane = 0; plane < 1 + 2*s->chroma + s->alpha; plane++) {
960 int fake_stride = fake_ystride;
962 if (s->chroma && (plane == 1 || plane == 2)) {
963 w >>= s->chroma_h_shift;
964 h >>= s->chroma_v_shift;
965 fake_stride = plane == 1 ? fake_ustride : fake_vstride;
968 left = sub_left_prediction(s, s->temp[0], p->data[plane], w , 0);
970 encode_plane_bitstream(s, w, plane);
972 if (s->predictor==MEDIAN) {
976 left = sub_left_prediction(s, s->temp[0], p->data[plane] + p->linesize[plane], w , left);
978 encode_plane_bitstream(s, w, plane);
982 lefttop = p->data[plane][0];
985 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
987 sub_median_prediction(s, s->temp[0], dst - fake_stride, dst, w , &left, &lefttop);
989 encode_plane_bitstream(s, w, plane);
992 for (y = 1; y < h; y++) {
993 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
995 if (s->predictor == PLANE && s->interlaced < y) {
996 diff_bytes(s, s->temp[1], dst, dst - fake_stride, w);
998 left = sub_left_prediction(s, s->temp[0], s->temp[1], w , left);
1000 left = sub_left_prediction(s, s->temp[0], dst, w , left);
1003 encode_plane_bitstream(s, w, plane);
1008 av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
1012 size += (put_bits_count(&s->pb) + 31) / 8;
1013 put_bits(&s->pb, 16, 0);
1014 put_bits(&s->pb, 15, 0);
1017 if ((s->flags & AV_CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
1019 char *p = avctx->stats_out;
1020 char *end = p + STATS_OUT_SIZE;
1021 for (i = 0; i < 4; i++) {
1022 for (j = 0; j < s->vlc_n; j++) {
1023 snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
1027 snprintf(p, end-p, "\n");
1030 return AVERROR(ENOMEM);
1032 } else if (avctx->stats_out)
1033 avctx->stats_out[0] = '\0';
1034 if (!(s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
1035 flush_put_bits(&s->pb);
1036 s->bdsp.bswap_buf((uint32_t *) pkt->data, (uint32_t *) pkt->data, size);
1039 s->picture_number++;
1041 pkt->size = size * 4;
1042 pkt->flags |= AV_PKT_FLAG_KEY;
1048 static av_cold int encode_end(AVCodecContext *avctx)
1050 HYuvContext *s = avctx->priv_data;
1052 ff_huffyuv_common_end(s);
1054 av_freep(&avctx->extradata);
1055 av_freep(&avctx->stats_out);
1060 #define OFFSET(x) offsetof(HYuvContext, x)
1061 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1063 #define COMMON_OPTIONS \
1064 { "non_deterministic", "Allow multithreading for e.g. context=1 at the expense of determinism", \
1065 OFFSET(non_determ), AV_OPT_TYPE_BOOL, { .i64 = 1 }, \
1067 { "pred", "Prediction method", OFFSET(predictor), AV_OPT_TYPE_INT, { .i64 = LEFT }, LEFT, MEDIAN, VE, "pred" }, \
1068 { "left", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LEFT }, INT_MIN, INT_MAX, VE, "pred" }, \
1069 { "plane", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PLANE }, INT_MIN, INT_MAX, VE, "pred" }, \
1070 { "median", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MEDIAN }, INT_MIN, INT_MAX, VE, "pred" }, \
1072 static const AVOption normal_options[] = {
1077 static const AVOption ff_options[] = {
1079 { "context", "Set per-frame huffman tables", OFFSET(context), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
1083 static const AVClass normal_class = {
1084 .class_name = "huffyuv",
1085 .item_name = av_default_item_name,
1086 .option = normal_options,
1087 .version = LIBAVUTIL_VERSION_INT,
1090 static const AVClass ff_class = {
1091 .class_name = "ffvhuff",
1092 .item_name = av_default_item_name,
1093 .option = ff_options,
1094 .version = LIBAVUTIL_VERSION_INT,
1097 AVCodec ff_huffyuv_encoder = {
1099 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
1100 .type = AVMEDIA_TYPE_VIDEO,
1101 .id = AV_CODEC_ID_HUFFYUV,
1102 .priv_data_size = sizeof(HYuvContext),
1103 .init = encode_init,
1104 .encode2 = encode_frame,
1105 .close = encode_end,
1106 .capabilities = AV_CODEC_CAP_FRAME_THREADS | AV_CODEC_CAP_INTRA_ONLY,
1107 .priv_class = &normal_class,
1108 .pix_fmts = (const enum AVPixelFormat[]){
1109 AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB24,
1110 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1112 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1113 FF_CODEC_CAP_INIT_CLEANUP,
1116 #if CONFIG_FFVHUFF_ENCODER
1117 AVCodec ff_ffvhuff_encoder = {
1119 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
1120 .type = AVMEDIA_TYPE_VIDEO,
1121 .id = AV_CODEC_ID_FFVHUFF,
1122 .priv_data_size = sizeof(HYuvContext),
1123 .init = encode_init,
1124 .encode2 = encode_frame,
1125 .close = encode_end,
1126 .capabilities = AV_CODEC_CAP_FRAME_THREADS | AV_CODEC_CAP_INTRA_ONLY,
1127 .priv_class = &ff_class,
1128 .pix_fmts = (const enum AVPixelFormat[]){
1129 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV411P,
1130 AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
1132 AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
1133 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16,
1134 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
1137 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16,
1138 AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16,
1139 AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16,
1140 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
1141 AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16,
1142 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16,
1144 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1146 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1147 FF_CODEC_CAP_INIT_CLEANUP,