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)
55 int min_width = FFMIN(w, 32);
58 for (i = 0; i < min_width; i++) { /* scalar loop before dsp call */
59 const int temp = src[i];
65 s->llvidencdsp.diff_bytes(dst + 32, src + 32, src + 31, w - 32);
68 const uint16_t *src16 = (const uint16_t *)src;
69 uint16_t *dst16 = ( uint16_t *)dst;
70 for (i = 0; i < min_width; i++) { /* scalar loop before dsp call */
71 const int temp = src16[i];
72 dst16[i] = temp - left;
77 s->hencdsp.diff_int16(dst16 + 32, src16 + 32, src16 + 31, s->n - 1, w - 32);
82 static inline void sub_left_prediction_bgr32(HYuvContext *s, uint8_t *dst,
83 const uint8_t *src, int w,
84 int *red, int *green, int *blue,
89 int min_width = FFMIN(w, 8);
95 for (i = 0; i < min_width; i++) {
96 const int rt = src[i * 4 + R];
97 const int gt = src[i * 4 + G];
98 const int bt = src[i * 4 + B];
99 const int at = src[i * 4 + A];
100 dst[i * 4 + R] = rt - r;
101 dst[i * 4 + G] = gt - g;
102 dst[i * 4 + B] = bt - b;
103 dst[i * 4 + A] = at - a;
110 s->llvidencdsp.diff_bytes(dst + 32, src + 32, src + 32 - 4, w * 4 - 32);
112 *red = src[(w - 1) * 4 + R];
113 *green = src[(w - 1) * 4 + G];
114 *blue = src[(w - 1) * 4 + B];
115 *alpha = src[(w - 1) * 4 + A];
118 static inline void sub_left_prediction_rgb24(HYuvContext *s, uint8_t *dst,
120 int *red, int *green, int *blue)
127 for (i = 0; i < FFMIN(w, 16); i++) {
128 const int rt = src[i * 3 + 0];
129 const int gt = src[i * 3 + 1];
130 const int bt = src[i * 3 + 2];
131 dst[i * 3 + 0] = rt - r;
132 dst[i * 3 + 1] = gt - g;
133 dst[i * 3 + 2] = bt - b;
139 s->llvidencdsp.diff_bytes(dst + 48, src + 48, src + 48 - 3, w * 3 - 48);
141 *red = src[(w - 1) * 3 + 0];
142 *green = src[(w - 1) * 3 + 1];
143 *blue = src[(w - 1) * 3 + 2];
146 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)
149 s->llvidencdsp.sub_median_pred(dst, src1, src2, w , left, left_top);
151 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 static int store_table(HYuvContext *s, const uint8_t *len, uint8_t *buf)
161 for (i = 0; i < n;) {
165 for (; i < n && len[i] == val && repeat < 255; i++)
168 av_assert0(val < 32 && val >0 && repeat < 256 && repeat>0);
171 buf[index++] = repeat;
173 buf[index++] = val | (repeat << 5);
180 static int store_huffman_tables(HYuvContext *s, uint8_t *buf)
187 count = 1 + s->alpha + 2*s->chroma;
189 for (i = 0; i < count; i++) {
190 if ((ret = ff_huff_gen_len_table(s->len[i], s->stats[i], s->vlc_n, 0)) < 0)
193 if (ff_huffyuv_generate_bits_table(s->bits[i], s->len[i], s->vlc_n) < 0) {
197 size += store_table(s, s->len[i], buf + size);
202 static av_cold int encode_init(AVCodecContext *avctx)
204 HYuvContext *s = avctx->priv_data;
207 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
209 ff_huffyuv_common_init(avctx);
210 ff_huffyuvencdsp_init(&s->hencdsp, avctx);
211 ff_llvidencdsp_init(&s->llvidencdsp);
213 avctx->extradata = av_mallocz(3*MAX_N + 4);
214 if (s->flags&AV_CODEC_FLAG_PASS1) {
215 #define STATS_OUT_SIZE 21*MAX_N*3 + 4
216 avctx->stats_out = av_mallocz(STATS_OUT_SIZE); // 21*256*3(%llu ) + 3(\n) + 1(0) = 16132
217 if (!avctx->stats_out)
218 return AVERROR(ENOMEM);
222 if (!avctx->extradata)
223 return AVERROR(ENOMEM);
225 #if FF_API_CODED_FRAME
226 FF_DISABLE_DEPRECATION_WARNINGS
227 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
228 avctx->coded_frame->key_frame = 1;
229 FF_ENABLE_DEPRECATION_WARNINGS
231 #if FF_API_PRIVATE_OPT
232 FF_DISABLE_DEPRECATION_WARNINGS
233 if (avctx->context_model == 1)
234 s->context = avctx->context_model;
235 FF_ENABLE_DEPRECATION_WARNINGS
238 s->bps = desc->comp[0].depth;
239 s->yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB) && desc->nb_components >= 2;
240 s->chroma = desc->nb_components > 2;
241 s->alpha = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA);
242 av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
246 switch (avctx->pix_fmt) {
247 case AV_PIX_FMT_YUV420P:
248 case AV_PIX_FMT_YUV422P:
250 av_log(avctx, AV_LOG_ERROR, "Width must be even for this colorspace.\n");
251 return AVERROR(EINVAL);
253 s->bitstream_bpp = avctx->pix_fmt == AV_PIX_FMT_YUV420P ? 12 : 16;
255 case AV_PIX_FMT_YUV444P:
256 case AV_PIX_FMT_YUV410P:
257 case AV_PIX_FMT_YUV411P:
258 case AV_PIX_FMT_YUV440P:
259 case AV_PIX_FMT_GBRP:
260 case AV_PIX_FMT_GBRP9:
261 case AV_PIX_FMT_GBRP10:
262 case AV_PIX_FMT_GBRP12:
263 case AV_PIX_FMT_GBRP14:
264 case AV_PIX_FMT_GBRP16:
265 case AV_PIX_FMT_GRAY8:
266 case AV_PIX_FMT_GRAY16:
267 case AV_PIX_FMT_YUVA444P:
268 case AV_PIX_FMT_YUVA420P:
269 case AV_PIX_FMT_YUVA422P:
270 case AV_PIX_FMT_GBRAP:
271 case AV_PIX_FMT_YUV420P9:
272 case AV_PIX_FMT_YUV420P10:
273 case AV_PIX_FMT_YUV420P12:
274 case AV_PIX_FMT_YUV420P14:
275 case AV_PIX_FMT_YUV420P16:
276 case AV_PIX_FMT_YUV422P9:
277 case AV_PIX_FMT_YUV422P10:
278 case AV_PIX_FMT_YUV422P12:
279 case AV_PIX_FMT_YUV422P14:
280 case AV_PIX_FMT_YUV422P16:
281 case AV_PIX_FMT_YUV444P9:
282 case AV_PIX_FMT_YUV444P10:
283 case AV_PIX_FMT_YUV444P12:
284 case AV_PIX_FMT_YUV444P14:
285 case AV_PIX_FMT_YUV444P16:
286 case AV_PIX_FMT_YUVA420P9:
287 case AV_PIX_FMT_YUVA420P10:
288 case AV_PIX_FMT_YUVA420P16:
289 case AV_PIX_FMT_YUVA422P9:
290 case AV_PIX_FMT_YUVA422P10:
291 case AV_PIX_FMT_YUVA422P16:
292 case AV_PIX_FMT_YUVA444P9:
293 case AV_PIX_FMT_YUVA444P10:
294 case AV_PIX_FMT_YUVA444P16:
297 case AV_PIX_FMT_RGB32:
298 s->bitstream_bpp = 32;
300 case AV_PIX_FMT_RGB24:
301 s->bitstream_bpp = 24;
304 av_log(avctx, AV_LOG_ERROR, "format not supported\n");
305 return AVERROR(EINVAL);
308 s->vlc_n = FFMIN(s->n, MAX_VLC_N);
310 avctx->bits_per_coded_sample = s->bitstream_bpp;
311 s->decorrelate = s->bitstream_bpp >= 24 && !s->yuv && !(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
312 #if FF_API_PRIVATE_OPT
313 FF_DISABLE_DEPRECATION_WARNINGS
314 if (avctx->prediction_method)
315 s->predictor = avctx->prediction_method;
316 FF_ENABLE_DEPRECATION_WARNINGS
318 s->interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_ME ? 1 : 0;
320 if (s->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) {
321 av_log(avctx, AV_LOG_ERROR,
322 "context=1 is not compatible with "
323 "2 pass huffyuv encoding\n");
324 return AVERROR(EINVAL);
328 if (avctx->codec->id == AV_CODEC_ID_HUFFYUV) {
329 if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
330 av_log(avctx, AV_LOG_ERROR,
331 "Error: YV12 is not supported by huffyuv; use "
332 "vcodec=ffvhuff or format=422p\n");
333 return AVERROR(EINVAL);
335 #if FF_API_PRIVATE_OPT
337 av_log(avctx, AV_LOG_ERROR,
338 "Error: per-frame huffman tables are not supported "
339 "by huffyuv; use vcodec=ffvhuff\n");
340 return AVERROR(EINVAL);
342 if (s->version > 2) {
343 av_log(avctx, AV_LOG_ERROR,
344 "Error: ver>2 is not supported "
345 "by huffyuv; use vcodec=ffvhuff\n");
346 return AVERROR(EINVAL);
349 if (s->interlaced != ( s->height > 288 ))
350 av_log(avctx, AV_LOG_INFO,
351 "using huffyuv 2.2.0 or newer interlacing flag\n");
354 if (s->version > 3 && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
355 av_log(avctx, AV_LOG_ERROR, "Ver > 3 is under development, files encoded with it may not be decodable with future versions!!!\n"
356 "Use vstrict=-2 / -strict -2 to use it anyway.\n");
357 return AVERROR(EINVAL);
360 if (s->bitstream_bpp >= 24 && s->predictor == MEDIAN && s->version <= 2) {
361 av_log(avctx, AV_LOG_ERROR,
362 "Error: RGB is incompatible with median predictor\n");
363 return AVERROR(EINVAL);
366 ((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
367 ((uint8_t*)avctx->extradata)[2] = s->interlaced ? 0x10 : 0x20;
369 ((uint8_t*)avctx->extradata)[2] |= 0x40;
370 if (s->version < 3) {
371 ((uint8_t*)avctx->extradata)[1] = s->bitstream_bpp;
372 ((uint8_t*)avctx->extradata)[3] = 0;
374 ((uint8_t*)avctx->extradata)[1] = ((s->bps-1)<<4) | s->chroma_h_shift | (s->chroma_v_shift<<2);
376 ((uint8_t*)avctx->extradata)[2] |= s->yuv ? 1 : 2;
378 ((uint8_t*)avctx->extradata)[2] |= 4;
379 ((uint8_t*)avctx->extradata)[3] = 1;
381 s->avctx->extradata_size = 4;
383 if (avctx->stats_in) {
384 char *p = avctx->stats_in;
386 for (i = 0; i < 4; i++)
387 for (j = 0; j < s->vlc_n; j++)
391 for (i = 0; i < 4; i++) {
394 for (j = 0; j < s->vlc_n; j++) {
395 s->stats[i][j] += strtol(p, &next, 0);
396 if (next == p) return -1;
400 if (p[0] == 0 || p[1] == 0 || p[2] == 0) break;
403 for (i = 0; i < 4; i++)
404 for (j = 0; j < s->vlc_n; j++) {
405 int d = FFMIN(j, s->vlc_n - j);
407 s->stats[i][j] = 100000000 / (d*d + 1);
411 ret = store_huffman_tables(s, s->avctx->extradata + s->avctx->extradata_size);
414 s->avctx->extradata_size += ret;
417 for (i = 0; i < 4; i++) {
418 int pels = s->width * s->height / (i ? 40 : 10);
419 for (j = 0; j < s->vlc_n; j++) {
420 int d = FFMIN(j, s->vlc_n - j);
421 s->stats[i][j] = pels/(d*d + 1);
425 for (i = 0; i < 4; i++)
426 for (j = 0; j < s->vlc_n; j++)
430 if (ff_huffyuv_alloc_temp(s)) {
431 ff_huffyuv_common_end(s);
432 return AVERROR(ENOMEM);
439 static int encode_422_bitstream(HYuvContext *s, int offset, int count)
442 const uint8_t *y = s->temp[0] + offset;
443 const uint8_t *u = s->temp[1] + offset / 2;
444 const uint8_t *v = s->temp[2] + offset / 2;
446 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 2 * 4 * count) {
447 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
453 int y1 = y[2 * i + 1];\
459 if (s->flags & AV_CODEC_FLAG_PASS1) {
460 for(i = 0; i < count; i++) {
468 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
471 for (i = 0; i < count; i++) {
474 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
476 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
478 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
480 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
483 for(i = 0; i < count; i++) {
485 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]);
487 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
488 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
494 static int encode_plane_bitstream(HYuvContext *s, int width, int plane)
496 int i, count = width/2;
498 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < count * s->bps / 2) {
499 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
504 int y0 = s->temp[0][width-1];
506 int y0 = s->temp16[0][width-1] & mask;
508 int y0 = s->temp16[0][width-1];
510 s->stats[plane][y0]++;
512 s->stats[plane][y0>>2]++;
514 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);
516 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
517 put_bits(&s->pb, 2, y0&3);
520 int y0 = s->temp[0][2 * i];\
521 int y1 = s->temp[0][2 * i + 1];
523 int y0 = s->temp16[0][2 * i] & mask;\
524 int y1 = s->temp16[0][2 * i + 1] & mask;
526 int y0 = s->temp16[0][2 * i];\
527 int y1 = s->temp16[0][2 * i + 1];
529 s->stats[plane][y0]++;\
530 s->stats[plane][y1]++;
532 s->stats[plane][y0>>2]++;\
533 s->stats[plane][y1>>2]++;
535 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);\
536 put_bits(&s->pb, s->len[plane][y1], s->bits[plane][y1]);
538 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
539 put_bits(&s->pb, 2, y0&3);\
540 put_bits(&s->pb, s->len[plane][y1>>2], s->bits[plane][y1>>2]);\
541 put_bits(&s->pb, 2, y1&3);
544 if (s->flags & AV_CODEC_FLAG_PASS1) {
545 for (i = 0; i < count; i++) {
554 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
558 for (i = 0; i < count; i++) {
569 for (i = 0; i < count; i++) {
578 } else if (s->bps <= 14) {
580 if (s->flags & AV_CODEC_FLAG_PASS1) {
581 for (i = 0; i < count; i++) {
590 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
594 for (i = 0; i < count; i++) {
605 for (i = 0; i < count; i++) {
615 if (s->flags & AV_CODEC_FLAG_PASS1) {
616 for (i = 0; i < count; i++) {
625 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
629 for (i = 0; i < count; i++) {
640 for (i = 0; i < count; i++) {
656 static int encode_gray_bitstream(HYuvContext *s, int count)
660 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 4 * count) {
661 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
666 int y0 = s->temp[0][2 * i];\
667 int y1 = s->temp[0][2 * i + 1];
672 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
673 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
677 if (s->flags & AV_CODEC_FLAG_PASS1) {
678 for (i = 0; i < count; i++) {
683 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
687 for (i = 0; i < count; i++) {
693 for (i = 0; i < count; i++) {
701 static inline int encode_bgra_bitstream(HYuvContext *s, int count, int planes)
705 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) <
706 4 * planes * count) {
707 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
712 int g = s->temp[0][planes == 3 ? 3 * i + 1 : 4 * i + G]; \
713 int b =(s->temp[0][planes == 3 ? 3 * i + 2 : 4 * i + B] - g) & 0xFF;\
714 int r =(s->temp[0][planes == 3 ? 3 * i + 0 : 4 * i + R] - g) & 0xFF;\
715 int a = s->temp[0][planes * i + A];
725 put_bits(&s->pb, s->len[1][g], s->bits[1][g]); \
726 put_bits(&s->pb, s->len[0][b], s->bits[0][b]); \
727 put_bits(&s->pb, s->len[2][r], s->bits[2][r]); \
729 put_bits(&s->pb, s->len[2][a], s->bits[2][a]);
731 if ((s->flags & AV_CODEC_FLAG_PASS1) &&
732 (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
733 for (i = 0; i < count; i++) {
737 } else if (s->context || (s->flags & AV_CODEC_FLAG_PASS1)) {
738 for (i = 0; i < count; i++) {
744 for (i = 0; i < count; i++) {
752 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
753 const AVFrame *pict, int *got_packet)
755 HYuvContext *s = avctx->priv_data;
756 const int width = s->width;
757 const int width2 = s->width>>1;
758 const int height = s->height;
759 const int fake_ystride = s->interlaced ? pict->linesize[0]*2 : pict->linesize[0];
760 const int fake_ustride = s->interlaced ? pict->linesize[1]*2 : pict->linesize[1];
761 const int fake_vstride = s->interlaced ? pict->linesize[2]*2 : pict->linesize[2];
762 const AVFrame * const p = pict;
763 int i, j, size = 0, ret;
765 if ((ret = ff_alloc_packet2(avctx, pkt, width * height * 3 * 4 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
769 size = store_huffman_tables(s, pkt->data);
773 for (i = 0; i < 4; i++)
774 for (j = 0; j < s->vlc_n; j++)
775 s->stats[i][j] >>= 1;
778 init_put_bits(&s->pb, pkt->data + size, pkt->size - size);
780 if (avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
781 avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
782 int lefty, leftu, leftv, y, cy;
784 put_bits(&s->pb, 8, leftv = p->data[2][0]);
785 put_bits(&s->pb, 8, lefty = p->data[0][1]);
786 put_bits(&s->pb, 8, leftu = p->data[1][0]);
787 put_bits(&s->pb, 8, p->data[0][0]);
789 lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
790 leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
791 leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
793 encode_422_bitstream(s, 2, width-2);
795 if (s->predictor==MEDIAN) {
796 int lefttopy, lefttopu, lefttopv;
799 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + p->linesize[0], width , lefty);
800 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + p->linesize[1], width2, leftu);
801 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + p->linesize[2], width2, leftv);
803 encode_422_bitstream(s, 0, width);
807 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty);
808 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + fake_ustride, 2, leftu);
809 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + fake_vstride, 2, leftv);
811 encode_422_bitstream(s, 0, 4);
813 lefttopy = p->data[0][3];
814 lefttopu = p->data[1][1];
815 lefttopv = p->data[2][1];
816 s->llvidencdsp.sub_median_pred(s->temp[0], p->data[0] + 4, p->data[0] + fake_ystride + 4, width - 4, &lefty, &lefttopy);
817 s->llvidencdsp.sub_median_pred(s->temp[1], p->data[1] + 2, p->data[1] + fake_ustride + 2, width2 - 2, &leftu, &lefttopu);
818 s->llvidencdsp.sub_median_pred(s->temp[2], p->data[2] + 2, p->data[2] + fake_vstride + 2, width2 - 2, &leftv, &lefttopv);
819 encode_422_bitstream(s, 0, width - 4);
822 for (; y < height; y++,cy++) {
823 uint8_t *ydst, *udst, *vdst;
825 if (s->bitstream_bpp == 12) {
827 ydst = p->data[0] + p->linesize[0] * y;
828 s->llvidencdsp.sub_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
829 encode_gray_bitstream(s, width);
832 if (y >= height) break;
834 ydst = p->data[0] + p->linesize[0] * y;
835 udst = p->data[1] + p->linesize[1] * cy;
836 vdst = p->data[2] + p->linesize[2] * cy;
838 s->llvidencdsp.sub_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
839 s->llvidencdsp.sub_median_pred(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
840 s->llvidencdsp.sub_median_pred(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv);
842 encode_422_bitstream(s, 0, width);
845 for (cy = y = 1; y < height; y++, cy++) {
846 uint8_t *ydst, *udst, *vdst;
848 /* encode a luma only line & y++ */
849 if (s->bitstream_bpp == 12) {
850 ydst = p->data[0] + p->linesize[0] * y;
852 if (s->predictor == PLANE && s->interlaced < y) {
853 s->llvidencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
855 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
857 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
859 encode_gray_bitstream(s, width);
861 if (y >= height) break;
864 ydst = p->data[0] + p->linesize[0] * y;
865 udst = p->data[1] + p->linesize[1] * cy;
866 vdst = p->data[2] + p->linesize[2] * cy;
868 if (s->predictor == PLANE && s->interlaced < cy) {
869 s->llvidencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
870 s->llvidencdsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
871 s->llvidencdsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
873 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
874 leftu = sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
875 leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
877 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
878 leftu = sub_left_prediction(s, s->temp[1], udst, width2, leftu);
879 leftv = sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
882 encode_422_bitstream(s, 0, width);
885 } else if(avctx->pix_fmt == AV_PIX_FMT_RGB32) {
886 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
887 const int stride = -p->linesize[0];
888 const int fake_stride = -fake_ystride;
890 int leftr, leftg, leftb, lefta;
892 put_bits(&s->pb, 8, lefta = data[A]);
893 put_bits(&s->pb, 8, leftr = data[R]);
894 put_bits(&s->pb, 8, leftg = data[G]);
895 put_bits(&s->pb, 8, leftb = data[B]);
897 sub_left_prediction_bgr32(s, s->temp[0], data + 4, width - 1,
898 &leftr, &leftg, &leftb, &lefta);
899 encode_bgra_bitstream(s, width - 1, 4);
901 for (y = 1; y < s->height; y++) {
902 uint8_t *dst = data + y*stride;
903 if (s->predictor == PLANE && s->interlaced < y) {
904 s->llvidencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width * 4);
905 sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width,
906 &leftr, &leftg, &leftb, &lefta);
908 sub_left_prediction_bgr32(s, s->temp[0], dst, width,
909 &leftr, &leftg, &leftb, &lefta);
911 encode_bgra_bitstream(s, width, 4);
913 } else if (avctx->pix_fmt == AV_PIX_FMT_RGB24) {
914 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
915 const int stride = -p->linesize[0];
916 const int fake_stride = -fake_ystride;
918 int leftr, leftg, leftb;
920 put_bits(&s->pb, 8, leftr = data[0]);
921 put_bits(&s->pb, 8, leftg = data[1]);
922 put_bits(&s->pb, 8, leftb = data[2]);
923 put_bits(&s->pb, 8, 0);
925 sub_left_prediction_rgb24(s, s->temp[0], data + 3, width - 1,
926 &leftr, &leftg, &leftb);
927 encode_bgra_bitstream(s, width-1, 3);
929 for (y = 1; y < s->height; y++) {
930 uint8_t *dst = data + y * stride;
931 if (s->predictor == PLANE && s->interlaced < y) {
932 s->llvidencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride,
934 sub_left_prediction_rgb24(s, s->temp[0], s->temp[1], width,
935 &leftr, &leftg, &leftb);
937 sub_left_prediction_rgb24(s, s->temp[0], dst, width,
938 &leftr, &leftg, &leftb);
940 encode_bgra_bitstream(s, width, 3);
942 } else if (s->version > 2) {
944 for (plane = 0; plane < 1 + 2*s->chroma + s->alpha; plane++) {
948 int fake_stride = fake_ystride;
950 if (s->chroma && (plane == 1 || plane == 2)) {
951 w >>= s->chroma_h_shift;
952 h >>= s->chroma_v_shift;
953 fake_stride = plane == 1 ? fake_ustride : fake_vstride;
956 left = sub_left_prediction(s, s->temp[0], p->data[plane], w , 0);
958 encode_plane_bitstream(s, w, plane);
960 if (s->predictor==MEDIAN) {
964 left = sub_left_prediction(s, s->temp[0], p->data[plane] + p->linesize[plane], w , left);
966 encode_plane_bitstream(s, w, plane);
970 lefttop = p->data[plane][0];
973 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
975 sub_median_prediction(s, s->temp[0], dst - fake_stride, dst, w , &left, &lefttop);
977 encode_plane_bitstream(s, w, plane);
980 for (y = 1; y < h; y++) {
981 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
983 if (s->predictor == PLANE && s->interlaced < y) {
984 diff_bytes(s, s->temp[1], dst, dst - fake_stride, w);
986 left = sub_left_prediction(s, s->temp[0], s->temp[1], w , left);
988 left = sub_left_prediction(s, s->temp[0], dst, w , left);
991 encode_plane_bitstream(s, w, plane);
996 av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
1000 size += (put_bits_count(&s->pb) + 31) / 8;
1001 put_bits(&s->pb, 16, 0);
1002 put_bits(&s->pb, 15, 0);
1005 if ((s->flags & AV_CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
1007 char *p = avctx->stats_out;
1008 char *end = p + STATS_OUT_SIZE;
1009 for (i = 0; i < 4; i++) {
1010 for (j = 0; j < s->vlc_n; j++) {
1011 snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
1015 snprintf(p, end-p, "\n");
1018 return AVERROR(ENOMEM);
1020 } else if (avctx->stats_out)
1021 avctx->stats_out[0] = '\0';
1022 if (!(s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
1023 flush_put_bits(&s->pb);
1024 s->bdsp.bswap_buf((uint32_t *) pkt->data, (uint32_t *) pkt->data, size);
1027 s->picture_number++;
1029 pkt->size = size * 4;
1030 pkt->flags |= AV_PKT_FLAG_KEY;
1036 static av_cold int encode_end(AVCodecContext *avctx)
1038 HYuvContext *s = avctx->priv_data;
1040 ff_huffyuv_common_end(s);
1042 av_freep(&avctx->extradata);
1043 av_freep(&avctx->stats_out);
1048 #define OFFSET(x) offsetof(HYuvContext, x)
1049 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1051 #define COMMON_OPTIONS \
1052 { "non_deterministic", "Allow multithreading for e.g. context=1 at the expense of determinism", \
1053 OFFSET(non_determ), AV_OPT_TYPE_BOOL, { .i64 = 1 }, \
1055 { "pred", "Prediction method", OFFSET(predictor), AV_OPT_TYPE_INT, { .i64 = LEFT }, LEFT, MEDIAN, VE, "pred" }, \
1056 { "left", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LEFT }, INT_MIN, INT_MAX, VE, "pred" }, \
1057 { "plane", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PLANE }, INT_MIN, INT_MAX, VE, "pred" }, \
1058 { "median", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MEDIAN }, INT_MIN, INT_MAX, VE, "pred" }, \
1060 static const AVOption normal_options[] = {
1065 static const AVOption ff_options[] = {
1067 { "context", "Set per-frame huffman tables", OFFSET(context), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
1071 static const AVClass normal_class = {
1072 .class_name = "huffyuv",
1073 .item_name = av_default_item_name,
1074 .option = normal_options,
1075 .version = LIBAVUTIL_VERSION_INT,
1078 static const AVClass ff_class = {
1079 .class_name = "ffvhuff",
1080 .item_name = av_default_item_name,
1081 .option = ff_options,
1082 .version = LIBAVUTIL_VERSION_INT,
1085 AVCodec ff_huffyuv_encoder = {
1087 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
1088 .type = AVMEDIA_TYPE_VIDEO,
1089 .id = AV_CODEC_ID_HUFFYUV,
1090 .priv_data_size = sizeof(HYuvContext),
1091 .init = encode_init,
1092 .encode2 = encode_frame,
1093 .close = encode_end,
1094 .capabilities = AV_CODEC_CAP_FRAME_THREADS,
1095 .priv_class = &normal_class,
1096 .pix_fmts = (const enum AVPixelFormat[]){
1097 AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB24,
1098 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1100 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1101 FF_CODEC_CAP_INIT_CLEANUP,
1104 #if CONFIG_FFVHUFF_ENCODER
1105 AVCodec ff_ffvhuff_encoder = {
1107 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
1108 .type = AVMEDIA_TYPE_VIDEO,
1109 .id = AV_CODEC_ID_FFVHUFF,
1110 .priv_data_size = sizeof(HYuvContext),
1111 .init = encode_init,
1112 .encode2 = encode_frame,
1113 .close = encode_end,
1114 .capabilities = AV_CODEC_CAP_FRAME_THREADS,
1115 .priv_class = &ff_class,
1116 .pix_fmts = (const enum AVPixelFormat[]){
1117 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV411P,
1118 AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
1120 AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
1121 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16,
1122 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
1124 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16,
1125 AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16,
1126 AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16,
1127 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
1128 AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16,
1129 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16,
1131 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1133 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1134 FF_CODEC_CAP_INIT_CLEANUP,