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 < 16; i++) {
64 const int temp = src[i];
68 s->hencdsp.diff_bytes(dst + 16, src + 16, src + 15, w - 16);
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&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 avctx->coded_frame = av_frame_alloc();
232 if (!avctx->extradata || !avctx->coded_frame)
233 return AVERROR(ENOMEM);
235 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
236 avctx->coded_frame->key_frame = 1;
238 s->bps = desc->comp[0].depth_minus1 + 1;
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_GRAY8A:
272 case AV_PIX_FMT_YUV420P9:
273 case AV_PIX_FMT_YUV420P10:
274 case AV_PIX_FMT_YUV420P12:
275 case AV_PIX_FMT_YUV420P14:
276 case AV_PIX_FMT_YUV420P16:
277 case AV_PIX_FMT_YUV422P9:
278 case AV_PIX_FMT_YUV422P10:
279 case AV_PIX_FMT_YUV422P12:
280 case AV_PIX_FMT_YUV422P14:
281 case AV_PIX_FMT_YUV422P16:
282 case AV_PIX_FMT_YUV444P9:
283 case AV_PIX_FMT_YUV444P10:
284 case AV_PIX_FMT_YUV444P12:
285 case AV_PIX_FMT_YUV444P14:
286 case AV_PIX_FMT_YUV444P16:
287 case AV_PIX_FMT_YUVA420P9:
288 case AV_PIX_FMT_YUVA420P10:
289 case AV_PIX_FMT_YUVA420P16:
290 case AV_PIX_FMT_YUVA422P9:
291 case AV_PIX_FMT_YUVA422P10:
292 case AV_PIX_FMT_YUVA422P16:
293 case AV_PIX_FMT_YUVA444P9:
294 case AV_PIX_FMT_YUVA444P10:
295 case AV_PIX_FMT_YUVA444P16:
298 case AV_PIX_FMT_RGB32:
299 s->bitstream_bpp = 32;
301 case AV_PIX_FMT_RGB24:
302 s->bitstream_bpp = 24;
305 av_log(avctx, AV_LOG_ERROR, "format not supported\n");
306 return AVERROR(EINVAL);
309 s->vlc_n = FFMIN(s->n, MAX_VLC_N);
311 avctx->bits_per_coded_sample = s->bitstream_bpp;
312 s->decorrelate = s->bitstream_bpp >= 24 && !s->yuv && !(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
313 s->predictor = avctx->prediction_method;
314 s->interlaced = avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0;
315 if (avctx->context_model == 1) {
316 s->context = avctx->context_model;
317 if (s->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)) {
318 av_log(avctx, AV_LOG_ERROR,
319 "context=1 is not compatible with "
320 "2 pass huffyuv encoding\n");
321 return AVERROR(EINVAL);
325 if (avctx->codec->id == AV_CODEC_ID_HUFFYUV) {
326 if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
327 av_log(avctx, AV_LOG_ERROR,
328 "Error: YV12 is not supported by huffyuv; use "
329 "vcodec=ffvhuff or format=422p\n");
330 return AVERROR(EINVAL);
332 if (avctx->context_model) {
333 av_log(avctx, AV_LOG_ERROR,
334 "Error: per-frame huffman tables are not supported "
335 "by huffyuv; use vcodec=ffvhuff\n");
336 return AVERROR(EINVAL);
338 if (s->version > 2) {
339 av_log(avctx, AV_LOG_ERROR,
340 "Error: ver>2 is not supported "
341 "by huffyuv; use vcodec=ffvhuff\n");
342 return AVERROR(EINVAL);
344 if (s->interlaced != ( s->height > 288 ))
345 av_log(avctx, AV_LOG_INFO,
346 "using huffyuv 2.2.0 or newer interlacing flag\n");
349 if (s->version > 3 && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
350 av_log(avctx, AV_LOG_ERROR, "Ver > 3 is under development, files encoded with it may not be decodable with future versions!!!\n"
351 "Use vstrict=-2 / -strict -2 to use it anyway.\n");
352 return AVERROR(EINVAL);
355 if (s->bitstream_bpp >= 24 && s->predictor == MEDIAN && s->version <= 2) {
356 av_log(avctx, AV_LOG_ERROR,
357 "Error: RGB is incompatible with median predictor\n");
358 return AVERROR(EINVAL);
361 ((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
362 ((uint8_t*)avctx->extradata)[2] = s->interlaced ? 0x10 : 0x20;
364 ((uint8_t*)avctx->extradata)[2] |= 0x40;
365 if (s->version < 3) {
366 ((uint8_t*)avctx->extradata)[1] = s->bitstream_bpp;
367 ((uint8_t*)avctx->extradata)[3] = 0;
369 ((uint8_t*)avctx->extradata)[1] = ((s->bps-1)<<4) | s->chroma_h_shift | (s->chroma_v_shift<<2);
371 ((uint8_t*)avctx->extradata)[2] |= s->yuv ? 1 : 2;
373 ((uint8_t*)avctx->extradata)[2] |= 4;
374 ((uint8_t*)avctx->extradata)[3] = 1;
376 s->avctx->extradata_size = 4;
378 if (avctx->stats_in) {
379 char *p = avctx->stats_in;
381 for (i = 0; i < 4; i++)
382 for (j = 0; j < s->vlc_n; j++)
386 for (i = 0; i < 4; i++) {
389 for (j = 0; j < s->vlc_n; j++) {
390 s->stats[i][j] += strtol(p, &next, 0);
391 if (next == p) return -1;
395 if (p[0] == 0 || p[1] == 0 || p[2] == 0) break;
398 for (i = 0; i < 4; i++)
399 for (j = 0; j < s->vlc_n; j++) {
400 int d = FFMIN(j, s->vlc_n - j);
402 s->stats[i][j] = 100000000 / (d*d + 1);
406 ret = store_huffman_tables(s, s->avctx->extradata + s->avctx->extradata_size);
409 s->avctx->extradata_size += ret;
412 for (i = 0; i < 4; i++) {
413 int pels = s->width * s->height / (i ? 40 : 10);
414 for (j = 0; j < s->vlc_n; j++) {
415 int d = FFMIN(j, s->vlc_n - j);
416 s->stats[i][j] = pels/(d*d + 1);
420 for (i = 0; i < 4; i++)
421 for (j = 0; j < s->vlc_n; j++)
425 if (ff_huffyuv_alloc_temp(s)) {
426 ff_huffyuv_common_end(s);
427 return AVERROR(ENOMEM);
434 static int encode_422_bitstream(HYuvContext *s, int offset, int count)
437 const uint8_t *y = s->temp[0] + offset;
438 const uint8_t *u = s->temp[1] + offset / 2;
439 const uint8_t *v = s->temp[2] + offset / 2;
441 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 2 * 4 * count) {
442 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
448 int y1 = y[2 * i + 1];\
454 if (s->flags & CODEC_FLAG_PASS1) {
455 for(i = 0; i < count; i++) {
463 if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
466 for (i = 0; i < count; i++) {
469 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
471 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
473 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
475 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
478 for(i = 0; i < count; i++) {
480 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
481 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
482 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
483 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
489 static int encode_plane_bitstream(HYuvContext *s, int width, int plane)
491 int i, count = width/2;
493 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < count * s->bps / 2) {
494 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
499 int y0 = s->temp[0][width-1];
501 int y0 = s->temp16[0][width-1] & mask;
503 int y0 = s->temp16[0][width-1];
505 s->stats[plane][y0]++;
507 s->stats[plane][y0>>2]++;
509 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);
511 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
512 put_bits(&s->pb, 2, y0&3);
515 int y0 = s->temp[0][2 * i];\
516 int y1 = s->temp[0][2 * i + 1];
518 int y0 = s->temp16[0][2 * i] & mask;\
519 int y1 = s->temp16[0][2 * i + 1] & mask;
521 int y0 = s->temp16[0][2 * i];\
522 int y1 = s->temp16[0][2 * i + 1];
524 s->stats[plane][y0]++;\
525 s->stats[plane][y1]++;
527 s->stats[plane][y0>>2]++;\
528 s->stats[plane][y1>>2]++;
530 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);\
531 put_bits(&s->pb, s->len[plane][y1], s->bits[plane][y1]);
533 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
534 put_bits(&s->pb, 2, y0&3);\
535 put_bits(&s->pb, s->len[plane][y1>>2], s->bits[plane][y1>>2]);\
536 put_bits(&s->pb, 2, y1&3);
539 if (s->flags & CODEC_FLAG_PASS1) {
540 for (i = 0; i < count; i++) {
549 if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
553 for (i = 0; i < count; i++) {
564 for (i = 0; i < count; i++) {
573 } else if (s->bps <= 14) {
575 if (s->flags & CODEC_FLAG_PASS1) {
576 for (i = 0; i < count; i++) {
585 if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
589 for (i = 0; i < count; i++) {
600 for (i = 0; i < count; i++) {
610 if (s->flags & CODEC_FLAG_PASS1) {
611 for (i = 0; i < count; i++) {
620 if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
624 for (i = 0; i < count; i++) {
635 for (i = 0; i < count; i++) {
651 static int encode_gray_bitstream(HYuvContext *s, int count)
655 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 4 * count) {
656 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
661 int y0 = s->temp[0][2 * i];\
662 int y1 = s->temp[0][2 * i + 1];
667 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
668 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
672 if (s->flags & CODEC_FLAG_PASS1) {
673 for (i = 0; i < count; i++) {
678 if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
682 for (i = 0; i < count; i++) {
688 for (i = 0; i < count; i++) {
696 static inline int encode_bgra_bitstream(HYuvContext *s, int count, int planes)
700 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) <
701 4 * planes * count) {
702 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
707 int g = s->temp[0][planes == 3 ? 3 * i + 1 : 4 * i + G]; \
708 int b =(s->temp[0][planes == 3 ? 3 * i + 2 : 4 * i + B] - g) & 0xFF;\
709 int r =(s->temp[0][planes == 3 ? 3 * i + 0 : 4 * i + R] - g) & 0xFF;\
710 int a = s->temp[0][planes * i + A];
720 put_bits(&s->pb, s->len[1][g], s->bits[1][g]); \
721 put_bits(&s->pb, s->len[0][b], s->bits[0][b]); \
722 put_bits(&s->pb, s->len[2][r], s->bits[2][r]); \
724 put_bits(&s->pb, s->len[2][a], s->bits[2][a]);
726 if ((s->flags & CODEC_FLAG_PASS1) &&
727 (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
728 for (i = 0; i < count; i++) {
732 } else if (s->context || (s->flags & CODEC_FLAG_PASS1)) {
733 for (i = 0; i < count; i++) {
739 for (i = 0; i < count; i++) {
747 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
748 const AVFrame *pict, int *got_packet)
750 HYuvContext *s = avctx->priv_data;
751 const int width = s->width;
752 const int width2 = s->width>>1;
753 const int height = s->height;
754 const int fake_ystride = s->interlaced ? pict->linesize[0]*2 : pict->linesize[0];
755 const int fake_ustride = s->interlaced ? pict->linesize[1]*2 : pict->linesize[1];
756 const int fake_vstride = s->interlaced ? pict->linesize[2]*2 : pict->linesize[2];
757 const AVFrame * const p = pict;
758 int i, j, size = 0, ret;
760 if ((ret = ff_alloc_packet2(avctx, pkt, width * height * 3 * 4 + FF_MIN_BUFFER_SIZE)) < 0)
764 size = store_huffman_tables(s, pkt->data);
768 for (i = 0; i < 4; i++)
769 for (j = 0; j < s->vlc_n; j++)
770 s->stats[i][j] >>= 1;
773 init_put_bits(&s->pb, pkt->data + size, pkt->size - size);
775 if (avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
776 avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
777 int lefty, leftu, leftv, y, cy;
779 put_bits(&s->pb, 8, leftv = p->data[2][0]);
780 put_bits(&s->pb, 8, lefty = p->data[0][1]);
781 put_bits(&s->pb, 8, leftu = p->data[1][0]);
782 put_bits(&s->pb, 8, p->data[0][0]);
784 lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
785 leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
786 leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
788 encode_422_bitstream(s, 2, width-2);
790 if (s->predictor==MEDIAN) {
791 int lefttopy, lefttopu, lefttopv;
794 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + p->linesize[0], width , lefty);
795 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + p->linesize[1], width2, leftu);
796 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + p->linesize[2], width2, leftv);
798 encode_422_bitstream(s, 0, width);
802 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty);
803 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + fake_ustride, 2, leftu);
804 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + fake_vstride, 2, leftv);
806 encode_422_bitstream(s, 0, 4);
808 lefttopy = p->data[0][3];
809 lefttopu = p->data[1][1];
810 lefttopv = p->data[2][1];
811 s->hencdsp.sub_hfyu_median_pred(s->temp[0], p->data[0] + 4, p->data[0] + fake_ystride + 4, width - 4, &lefty, &lefttopy);
812 s->hencdsp.sub_hfyu_median_pred(s->temp[1], p->data[1] + 2, p->data[1] + fake_ustride + 2, width2 - 2, &leftu, &lefttopu);
813 s->hencdsp.sub_hfyu_median_pred(s->temp[2], p->data[2] + 2, p->data[2] + fake_vstride + 2, width2 - 2, &leftv, &lefttopv);
814 encode_422_bitstream(s, 0, width - 4);
817 for (; y < height; y++,cy++) {
818 uint8_t *ydst, *udst, *vdst;
820 if (s->bitstream_bpp == 12) {
822 ydst = p->data[0] + p->linesize[0] * y;
823 s->hencdsp.sub_hfyu_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
824 encode_gray_bitstream(s, width);
827 if (y >= height) break;
829 ydst = p->data[0] + p->linesize[0] * y;
830 udst = p->data[1] + p->linesize[1] * cy;
831 vdst = p->data[2] + p->linesize[2] * cy;
833 s->hencdsp.sub_hfyu_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
834 s->hencdsp.sub_hfyu_median_pred(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
835 s->hencdsp.sub_hfyu_median_pred(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv);
837 encode_422_bitstream(s, 0, width);
840 for (cy = y = 1; y < height; y++, cy++) {
841 uint8_t *ydst, *udst, *vdst;
843 /* encode a luma only line & y++ */
844 if (s->bitstream_bpp == 12) {
845 ydst = p->data[0] + p->linesize[0] * y;
847 if (s->predictor == PLANE && s->interlaced < y) {
848 s->hencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
850 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
852 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
854 encode_gray_bitstream(s, width);
856 if (y >= height) break;
859 ydst = p->data[0] + p->linesize[0] * y;
860 udst = p->data[1] + p->linesize[1] * cy;
861 vdst = p->data[2] + p->linesize[2] * cy;
863 if (s->predictor == PLANE && s->interlaced < cy) {
864 s->hencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
865 s->hencdsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
866 s->hencdsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
868 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
869 leftu = sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
870 leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
872 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
873 leftu = sub_left_prediction(s, s->temp[1], udst, width2, leftu);
874 leftv = sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
877 encode_422_bitstream(s, 0, width);
880 } else if(avctx->pix_fmt == AV_PIX_FMT_RGB32) {
881 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
882 const int stride = -p->linesize[0];
883 const int fake_stride = -fake_ystride;
885 int leftr, leftg, leftb, lefta;
887 put_bits(&s->pb, 8, lefta = data[A]);
888 put_bits(&s->pb, 8, leftr = data[R]);
889 put_bits(&s->pb, 8, leftg = data[G]);
890 put_bits(&s->pb, 8, leftb = data[B]);
892 sub_left_prediction_bgr32(s, s->temp[0], data + 4, width - 1,
893 &leftr, &leftg, &leftb, &lefta);
894 encode_bgra_bitstream(s, width - 1, 4);
896 for (y = 1; y < s->height; y++) {
897 uint8_t *dst = data + y*stride;
898 if (s->predictor == PLANE && s->interlaced < y) {
899 s->hencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width * 4);
900 sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width,
901 &leftr, &leftg, &leftb, &lefta);
903 sub_left_prediction_bgr32(s, s->temp[0], dst, width,
904 &leftr, &leftg, &leftb, &lefta);
906 encode_bgra_bitstream(s, width, 4);
908 } else if (avctx->pix_fmt == AV_PIX_FMT_RGB24) {
909 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
910 const int stride = -p->linesize[0];
911 const int fake_stride = -fake_ystride;
913 int leftr, leftg, leftb;
915 put_bits(&s->pb, 8, leftr = data[0]);
916 put_bits(&s->pb, 8, leftg = data[1]);
917 put_bits(&s->pb, 8, leftb = data[2]);
918 put_bits(&s->pb, 8, 0);
920 sub_left_prediction_rgb24(s, s->temp[0], data + 3, width - 1,
921 &leftr, &leftg, &leftb);
922 encode_bgra_bitstream(s, width-1, 3);
924 for (y = 1; y < s->height; y++) {
925 uint8_t *dst = data + y * stride;
926 if (s->predictor == PLANE && s->interlaced < y) {
927 s->hencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride,
929 sub_left_prediction_rgb24(s, s->temp[0], s->temp[1], width,
930 &leftr, &leftg, &leftb);
932 sub_left_prediction_rgb24(s, s->temp[0], dst, width,
933 &leftr, &leftg, &leftb);
935 encode_bgra_bitstream(s, width, 3);
937 } else if (s->version > 2) {
939 for (plane = 0; plane < 1 + 2*s->chroma + s->alpha; plane++) {
943 int fake_stride = fake_ystride;
945 if (s->chroma && (plane == 1 || plane == 2)) {
946 w >>= s->chroma_h_shift;
947 h >>= s->chroma_v_shift;
948 fake_stride = plane == 1 ? fake_ustride : fake_vstride;
951 left = sub_left_prediction(s, s->temp[0], p->data[plane], w , 0);
953 encode_plane_bitstream(s, w, plane);
955 if (s->predictor==MEDIAN) {
959 left = sub_left_prediction(s, s->temp[0], p->data[plane] + p->linesize[plane], w , left);
961 encode_plane_bitstream(s, w, plane);
965 lefttop = p->data[plane][0];
968 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
970 sub_median_prediction(s, s->temp[0], dst - fake_stride, dst, w , &left, &lefttop);
972 encode_plane_bitstream(s, w, plane);
975 for (y = 1; y < h; y++) {
976 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
978 if (s->predictor == PLANE && s->interlaced < y) {
979 diff_bytes(s, s->temp[1], dst, dst - fake_stride, w);
981 left = sub_left_prediction(s, s->temp[0], s->temp[1], w , left);
983 left = sub_left_prediction(s, s->temp[0], dst, w , left);
986 encode_plane_bitstream(s, w, plane);
991 av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
995 size += (put_bits_count(&s->pb) + 31) / 8;
996 put_bits(&s->pb, 16, 0);
997 put_bits(&s->pb, 15, 0);
1000 if ((s->flags&CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
1002 char *p = avctx->stats_out;
1003 char *end = p + STATS_OUT_SIZE;
1004 for (i = 0; i < 4; i++) {
1005 for (j = 0; j < s->vlc_n; j++) {
1006 snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
1010 snprintf(p, end-p, "\n");
1013 return AVERROR(ENOMEM);
1015 } else if (avctx->stats_out)
1016 avctx->stats_out[0] = '\0';
1017 if (!(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
1018 flush_put_bits(&s->pb);
1019 s->bdsp.bswap_buf((uint32_t *) pkt->data, (uint32_t *) pkt->data, size);
1022 s->picture_number++;
1024 pkt->size = size * 4;
1025 pkt->flags |= AV_PKT_FLAG_KEY;
1031 static av_cold int encode_end(AVCodecContext *avctx)
1033 HYuvContext *s = avctx->priv_data;
1035 ff_huffyuv_common_end(s);
1037 av_freep(&avctx->extradata);
1038 av_freep(&avctx->stats_out);
1040 av_frame_free(&avctx->coded_frame);
1045 static const AVOption options[] = {
1046 { "non_deterministic", "Allow multithreading for e.g. context=1 at the expense of determinism",
1047 offsetof(HYuvContext, non_determ), AV_OPT_TYPE_INT, { .i64 = 1 },
1048 0, 1, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
1052 static const AVClass normal_class = {
1053 .class_name = "huffyuv",
1054 .item_name = av_default_item_name,
1056 .version = LIBAVUTIL_VERSION_INT,
1059 static const AVClass ff_class = {
1060 .class_name = "ffvhuff",
1061 .item_name = av_default_item_name,
1063 .version = LIBAVUTIL_VERSION_INT,
1066 AVCodec ff_huffyuv_encoder = {
1068 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
1069 .type = AVMEDIA_TYPE_VIDEO,
1070 .id = AV_CODEC_ID_HUFFYUV,
1071 .priv_data_size = sizeof(HYuvContext),
1072 .init = encode_init,
1073 .encode2 = encode_frame,
1074 .close = encode_end,
1075 .capabilities = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,
1076 .priv_class = &normal_class,
1077 .pix_fmts = (const enum AVPixelFormat[]){
1078 AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB24,
1079 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1081 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1082 FF_CODEC_CAP_INIT_CLEANUP,
1085 #if CONFIG_FFVHUFF_ENCODER
1086 AVCodec ff_ffvhuff_encoder = {
1088 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
1089 .type = AVMEDIA_TYPE_VIDEO,
1090 .id = AV_CODEC_ID_FFVHUFF,
1091 .priv_data_size = sizeof(HYuvContext),
1092 .init = encode_init,
1093 .encode2 = encode_frame,
1094 .close = encode_end,
1095 .capabilities = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,
1096 .priv_class = &ff_class,
1097 .pix_fmts = (const enum AVPixelFormat[]){
1098 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV411P,
1099 AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
1101 AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
1102 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16,
1103 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
1106 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16,
1107 AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16,
1108 AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16,
1109 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
1110 AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16,
1111 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16,
1113 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1115 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1116 FF_CODEC_CAP_INIT_CLEANUP,