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/pixdesc.h"
39 static inline void diff_bytes(HYuvContext *s, uint8_t *dst,
40 const uint8_t *src0, const uint8_t *src1, int w)
43 s->hencdsp.diff_bytes(dst, src0, src1, w);
45 s->llviddsp.diff_int16((uint16_t *)dst, (const uint16_t *)src0, (const uint16_t *)src1, s->n - 1, w);
49 static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst,
50 const uint8_t *src, int w, int left)
55 for (i = 0; i < w; i++) {
56 const int temp = src[i];
62 for (i = 0; i < 16; i++) {
63 const int temp = src[i];
67 s->hencdsp.diff_bytes(dst + 16, src + 16, src + 15, w - 16);
71 const uint16_t *src16 = (const uint16_t *)src;
72 uint16_t *dst16 = ( uint16_t *)dst;
74 for (i = 0; i < w; i++) {
75 const int temp = src16[i];
76 dst16[i] = temp - left;
81 for (i = 0; i < 16; i++) {
82 const int temp = src16[i];
83 dst16[i] = temp - left;
86 s->llviddsp.diff_int16(dst16 + 16, src16 + 16, src16 + 15, s->n - 1, w - 16);
92 static inline void sub_left_prediction_bgr32(HYuvContext *s, uint8_t *dst,
93 const uint8_t *src, int w,
94 int *red, int *green, int *blue,
104 for (i = 0; i < FFMIN(w, 4); i++) {
105 const int rt = src[i * 4 + R];
106 const int gt = src[i * 4 + G];
107 const int bt = src[i * 4 + B];
108 const int at = src[i * 4 + A];
109 dst[i * 4 + R] = rt - r;
110 dst[i * 4 + G] = gt - g;
111 dst[i * 4 + B] = bt - b;
112 dst[i * 4 + A] = at - a;
119 s->hencdsp.diff_bytes(dst + 16, src + 16, src + 12, w * 4 - 16);
121 *red = src[(w - 1) * 4 + R];
122 *green = src[(w - 1) * 4 + G];
123 *blue = src[(w - 1) * 4 + B];
124 *alpha = src[(w - 1) * 4 + A];
127 static inline void sub_left_prediction_rgb24(HYuvContext *s, uint8_t *dst,
129 int *red, int *green, int *blue)
136 for (i = 0; i < FFMIN(w, 16); i++) {
137 const int rt = src[i * 3 + 0];
138 const int gt = src[i * 3 + 1];
139 const int bt = src[i * 3 + 2];
140 dst[i * 3 + 0] = rt - r;
141 dst[i * 3 + 1] = gt - g;
142 dst[i * 3 + 2] = bt - b;
148 s->hencdsp.diff_bytes(dst + 48, src + 48, src + 48 - 3, w * 3 - 48);
150 *red = src[(w - 1) * 3 + 0];
151 *green = src[(w - 1) * 3 + 1];
152 *blue = src[(w - 1) * 3 + 2];
155 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)
158 s->hencdsp.sub_hfyu_median_pred(dst, src1, src2, w , left, left_top);
160 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);
164 static int store_table(HYuvContext *s, const uint8_t *len, uint8_t *buf)
170 for (i = 0; i < n;) {
174 for (; i < n && len[i] == val && repeat < 255; i++)
177 av_assert0(val < 32 && val >0 && repeat < 256 && repeat>0);
180 buf[index++] = repeat;
182 buf[index++] = val | (repeat << 5);
189 static int store_huffman_tables(HYuvContext *s, uint8_t *buf)
196 count = 1 + s->alpha + 2*s->chroma;
198 for (i = 0; i < count; i++) {
199 if ((ret = ff_huff_gen_len_table(s->len[i], s->stats[i], s->vlc_n, 0)) < 0)
202 if (ff_huffyuv_generate_bits_table(s->bits[i], s->len[i], s->vlc_n) < 0) {
206 size += store_table(s, s->len[i], buf + size);
211 static av_cold int encode_init(AVCodecContext *avctx)
213 HYuvContext *s = avctx->priv_data;
216 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
218 ff_huffyuv_common_init(avctx);
219 ff_huffyuvencdsp_init(&s->hencdsp);
221 avctx->extradata = av_mallocz(3*MAX_N + 4);
222 if (!avctx->extradata)
223 return AVERROR(ENOMEM);
224 if (s->flags&CODEC_FLAG_PASS1) {
225 #define STATS_OUT_SIZE 21*MAX_N*3 + 4
226 avctx->stats_out = av_mallocz(STATS_OUT_SIZE); // 21*256*3(%llu ) + 3(\n) + 1(0) = 16132
227 if (!avctx->stats_out)
228 return AVERROR(ENOMEM);
232 avctx->coded_frame = av_frame_alloc();
233 if (!avctx->coded_frame)
234 return AVERROR(ENOMEM);
236 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
237 avctx->coded_frame->key_frame = 1;
239 s->bps = desc->comp[0].depth_minus1 + 1;
240 s->yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB) && desc->nb_components >= 2;
241 s->chroma = desc->nb_components > 2;
242 s->alpha = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA);
243 av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
247 switch (avctx->pix_fmt) {
248 case AV_PIX_FMT_YUV420P:
249 case AV_PIX_FMT_YUV422P:
251 av_log(avctx, AV_LOG_ERROR, "Width must be even for this colorspace.\n");
252 return AVERROR(EINVAL);
254 s->bitstream_bpp = avctx->pix_fmt == AV_PIX_FMT_YUV420P ? 12 : 16;
256 case AV_PIX_FMT_YUV444P:
257 case AV_PIX_FMT_YUV410P:
258 case AV_PIX_FMT_YUV411P:
259 case AV_PIX_FMT_YUV440P:
260 case AV_PIX_FMT_GBRP:
261 case AV_PIX_FMT_GBRP9:
262 case AV_PIX_FMT_GBRP10:
263 case AV_PIX_FMT_GBRP12:
264 case AV_PIX_FMT_GBRP14:
265 case AV_PIX_FMT_GBRP16:
266 case AV_PIX_FMT_GRAY8:
267 case AV_PIX_FMT_GRAY16:
268 case AV_PIX_FMT_YUVA444P:
269 case AV_PIX_FMT_YUVA420P:
270 case AV_PIX_FMT_YUVA422P:
271 case AV_PIX_FMT_GBRAP:
272 case AV_PIX_FMT_GRAY8A:
273 case AV_PIX_FMT_YUV420P9:
274 case AV_PIX_FMT_YUV420P10:
275 case AV_PIX_FMT_YUV420P12:
276 case AV_PIX_FMT_YUV420P14:
277 case AV_PIX_FMT_YUV420P16:
278 case AV_PIX_FMT_YUV422P9:
279 case AV_PIX_FMT_YUV422P10:
280 case AV_PIX_FMT_YUV422P12:
281 case AV_PIX_FMT_YUV422P14:
282 case AV_PIX_FMT_YUV422P16:
283 case AV_PIX_FMT_YUV444P9:
284 case AV_PIX_FMT_YUV444P10:
285 case AV_PIX_FMT_YUV444P12:
286 case AV_PIX_FMT_YUV444P14:
287 case AV_PIX_FMT_YUV444P16:
288 case AV_PIX_FMT_YUVA420P9:
289 case AV_PIX_FMT_YUVA420P10:
290 case AV_PIX_FMT_YUVA420P16:
291 case AV_PIX_FMT_YUVA422P9:
292 case AV_PIX_FMT_YUVA422P10:
293 case AV_PIX_FMT_YUVA422P16:
294 case AV_PIX_FMT_YUVA444P9:
295 case AV_PIX_FMT_YUVA444P10:
296 case AV_PIX_FMT_YUVA444P16:
299 case AV_PIX_FMT_RGB32:
300 s->bitstream_bpp = 32;
302 case AV_PIX_FMT_RGB24:
303 s->bitstream_bpp = 24;
306 av_log(avctx, AV_LOG_ERROR, "format not supported\n");
307 return AVERROR(EINVAL);
310 s->vlc_n = FFMIN(s->n, MAX_VLC_N);
312 avctx->bits_per_coded_sample = s->bitstream_bpp;
313 s->decorrelate = s->bitstream_bpp >= 24 && !s->yuv && !(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
314 s->predictor = avctx->prediction_method;
315 s->interlaced = avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0;
316 if (avctx->context_model == 1) {
317 s->context = avctx->context_model;
318 if (s->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)) {
319 av_log(avctx, AV_LOG_ERROR,
320 "context=1 is not compatible with "
321 "2 pass huffyuv encoding\n");
322 return AVERROR(EINVAL);
326 if (avctx->codec->id == AV_CODEC_ID_HUFFYUV) {
327 if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
328 av_log(avctx, AV_LOG_ERROR,
329 "Error: YV12 is not supported by huffyuv; use "
330 "vcodec=ffvhuff or format=422p\n");
331 return AVERROR(EINVAL);
333 if (avctx->context_model) {
334 av_log(avctx, AV_LOG_ERROR,
335 "Error: per-frame huffman tables are not supported "
336 "by huffyuv; use vcodec=ffvhuff\n");
337 return AVERROR(EINVAL);
339 if (s->version > 2) {
340 av_log(avctx, AV_LOG_ERROR,
341 "Error: ver>2 is not supported "
342 "by huffyuv; use vcodec=ffvhuff\n");
343 return AVERROR(EINVAL);
345 if (s->interlaced != ( s->height > 288 ))
346 av_log(avctx, AV_LOG_INFO,
347 "using huffyuv 2.2.0 or newer interlacing flag\n");
350 if (s->version > 3 && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
351 av_log(avctx, AV_LOG_ERROR, "Ver > 3 is under development, files encoded with it may not be decodable with future versions!!!\n"
352 "Use vstrict=-2 / -strict -2 to use it anyway.\n");
353 return AVERROR(EINVAL);
356 if (s->bitstream_bpp >= 24 && s->predictor == MEDIAN && s->version <= 2) {
357 av_log(avctx, AV_LOG_ERROR,
358 "Error: RGB is incompatible with median predictor\n");
359 return AVERROR(EINVAL);
362 ((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
363 ((uint8_t*)avctx->extradata)[2] = s->interlaced ? 0x10 : 0x20;
365 ((uint8_t*)avctx->extradata)[2] |= 0x40;
366 if (s->version < 3) {
367 ((uint8_t*)avctx->extradata)[1] = s->bitstream_bpp;
368 ((uint8_t*)avctx->extradata)[3] = 0;
370 ((uint8_t*)avctx->extradata)[1] = ((s->bps-1)<<4) | s->chroma_h_shift | (s->chroma_v_shift<<2);
372 ((uint8_t*)avctx->extradata)[2] |= s->yuv ? 1 : 2;
374 ((uint8_t*)avctx->extradata)[2] |= 4;
375 ((uint8_t*)avctx->extradata)[3] = 1;
377 s->avctx->extradata_size = 4;
379 if (avctx->stats_in) {
380 char *p = avctx->stats_in;
382 for (i = 0; i < 4; i++)
383 for (j = 0; j < s->vlc_n; j++)
387 for (i = 0; i < 4; i++) {
390 for (j = 0; j < s->vlc_n; j++) {
391 s->stats[i][j] += strtol(p, &next, 0);
392 if (next == p) return -1;
396 if (p[0] == 0 || p[1] == 0 || p[2] == 0) break;
399 for (i = 0; i < 4; i++)
400 for (j = 0; j < s->vlc_n; j++) {
401 int d = FFMIN(j, s->vlc_n - j);
403 s->stats[i][j] = 100000000 / (d*d + 1);
407 ret = store_huffman_tables(s, s->avctx->extradata + s->avctx->extradata_size);
410 s->avctx->extradata_size += ret;
413 for (i = 0; i < 4; i++) {
414 int pels = s->width * s->height / (i ? 40 : 10);
415 for (j = 0; j < s->vlc_n; j++) {
416 int d = FFMIN(j, s->vlc_n - j);
417 s->stats[i][j] = pels/(d*d + 1);
421 for (i = 0; i < 4; i++)
422 for (j = 0; j < s->vlc_n; j++)
426 if (ff_huffyuv_alloc_temp(s)) {
427 ff_huffyuv_common_end(s);
428 return AVERROR(ENOMEM);
435 static int encode_422_bitstream(HYuvContext *s, int offset, int count)
438 const uint8_t *y = s->temp[0] + offset;
439 const uint8_t *u = s->temp[1] + offset / 2;
440 const uint8_t *v = s->temp[2] + offset / 2;
442 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 2 * 4 * count) {
443 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
449 int y1 = y[2 * i + 1];\
455 if (s->flags & CODEC_FLAG_PASS1) {
456 for(i = 0; i < count; i++) {
464 if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
467 for (i = 0; i < count; i++) {
470 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
472 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
474 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
476 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
479 for(i = 0; i < count; i++) {
481 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
482 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
483 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
484 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
490 static int encode_plane_bitstream(HYuvContext *s, int count, int plane)
494 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < count * s->bps / 2) {
495 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
500 int y0 = s->temp[0][2 * i];\
501 int y1 = s->temp[0][2 * i + 1];
503 int y0 = s->temp16[0][2 * i] & mask;\
504 int y1 = s->temp16[0][2 * i + 1] & mask;
506 int y0 = s->temp16[0][2 * i];\
507 int y1 = s->temp16[0][2 * i + 1];
509 s->stats[plane][y0]++;\
510 s->stats[plane][y1]++;
512 s->stats[plane][y0>>2]++;\
513 s->stats[plane][y1>>2]++;
515 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);\
516 put_bits(&s->pb, s->len[plane][y1], s->bits[plane][y1]);
518 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
519 put_bits(&s->pb, 2, y0&3);\
520 put_bits(&s->pb, s->len[plane][y1>>2], s->bits[plane][y1>>2]);\
521 put_bits(&s->pb, 2, y1&3);
526 if (s->flags & CODEC_FLAG_PASS1) {
527 for (i = 0; i < count; i++) {
532 if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
536 for (i = 0; i < count; i++) {
542 for (i = 0; i < count; i++) {
547 } else if (s->bps <= 14) {
549 if (s->flags & CODEC_FLAG_PASS1) {
550 for (i = 0; i < count; i++) {
555 if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
559 for (i = 0; i < count; i++) {
565 for (i = 0; i < count; i++) {
571 if (s->flags & CODEC_FLAG_PASS1) {
572 for (i = 0; i < count; i++) {
577 if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
581 for (i = 0; i < count; i++) {
587 for (i = 0; i < count; i++) {
599 static int encode_gray_bitstream(HYuvContext *s, int count)
603 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 4 * count) {
604 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
609 int y0 = s->temp[0][2 * i];\
610 int y1 = s->temp[0][2 * i + 1];
615 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
616 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
620 if (s->flags & CODEC_FLAG_PASS1) {
621 for (i = 0; i < count; i++) {
626 if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
630 for (i = 0; i < count; i++) {
636 for (i = 0; i < count; i++) {
644 static inline int encode_bgra_bitstream(HYuvContext *s, int count, int planes)
648 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) <
649 4 * planes * count) {
650 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
655 int g = s->temp[0][planes == 3 ? 3 * i + 1 : 4 * i + G]; \
656 int b =(s->temp[0][planes == 3 ? 3 * i + 2 : 4 * i + B] - g) & 0xFF;\
657 int r =(s->temp[0][planes == 3 ? 3 * i + 0 : 4 * i + R] - g) & 0xFF;\
658 int a = s->temp[0][planes * i + A];
668 put_bits(&s->pb, s->len[1][g], s->bits[1][g]); \
669 put_bits(&s->pb, s->len[0][b], s->bits[0][b]); \
670 put_bits(&s->pb, s->len[2][r], s->bits[2][r]); \
672 put_bits(&s->pb, s->len[2][a], s->bits[2][a]);
674 if ((s->flags & CODEC_FLAG_PASS1) &&
675 (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
676 for (i = 0; i < count; i++) {
680 } else if (s->context || (s->flags & CODEC_FLAG_PASS1)) {
681 for (i = 0; i < count; i++) {
687 for (i = 0; i < count; i++) {
695 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
696 const AVFrame *pict, int *got_packet)
698 HYuvContext *s = avctx->priv_data;
699 const int width = s->width;
700 const int width2 = s->width>>1;
701 const int height = s->height;
702 const int fake_ystride = s->interlaced ? pict->linesize[0]*2 : pict->linesize[0];
703 const int fake_ustride = s->interlaced ? pict->linesize[1]*2 : pict->linesize[1];
704 const int fake_vstride = s->interlaced ? pict->linesize[2]*2 : pict->linesize[2];
705 const AVFrame * const p = pict;
706 int i, j, size = 0, ret;
708 if ((ret = ff_alloc_packet2(avctx, pkt, width * height * 3 * 4 + FF_MIN_BUFFER_SIZE)) < 0)
712 size = store_huffman_tables(s, pkt->data);
716 for (i = 0; i < 4; i++)
717 for (j = 0; j < s->vlc_n; j++)
718 s->stats[i][j] >>= 1;
721 init_put_bits(&s->pb, pkt->data + size, pkt->size - size);
723 if (avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
724 avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
725 int lefty, leftu, leftv, y, cy;
727 put_bits(&s->pb, 8, leftv = p->data[2][0]);
728 put_bits(&s->pb, 8, lefty = p->data[0][1]);
729 put_bits(&s->pb, 8, leftu = p->data[1][0]);
730 put_bits(&s->pb, 8, p->data[0][0]);
732 lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
733 leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
734 leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
736 encode_422_bitstream(s, 2, width-2);
738 if (s->predictor==MEDIAN) {
739 int lefttopy, lefttopu, lefttopv;
742 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + p->linesize[0], width , lefty);
743 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + p->linesize[1], width2, leftu);
744 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + p->linesize[2], width2, leftv);
746 encode_422_bitstream(s, 0, width);
750 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty);
751 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + fake_ustride, 2, leftu);
752 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + fake_vstride, 2, leftv);
754 encode_422_bitstream(s, 0, 4);
756 lefttopy = p->data[0][3];
757 lefttopu = p->data[1][1];
758 lefttopv = p->data[2][1];
759 s->hencdsp.sub_hfyu_median_pred(s->temp[0], p->data[0] + 4, p->data[0] + fake_ystride + 4, width - 4, &lefty, &lefttopy);
760 s->hencdsp.sub_hfyu_median_pred(s->temp[1], p->data[1] + 2, p->data[1] + fake_ustride + 2, width2 - 2, &leftu, &lefttopu);
761 s->hencdsp.sub_hfyu_median_pred(s->temp[2], p->data[2] + 2, p->data[2] + fake_vstride + 2, width2 - 2, &leftv, &lefttopv);
762 encode_422_bitstream(s, 0, width - 4);
765 for (; y < height; y++,cy++) {
766 uint8_t *ydst, *udst, *vdst;
768 if (s->bitstream_bpp == 12) {
770 ydst = p->data[0] + p->linesize[0] * y;
771 s->hencdsp.sub_hfyu_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
772 encode_gray_bitstream(s, width);
775 if (y >= height) break;
777 ydst = p->data[0] + p->linesize[0] * y;
778 udst = p->data[1] + p->linesize[1] * cy;
779 vdst = p->data[2] + p->linesize[2] * cy;
781 s->hencdsp.sub_hfyu_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
782 s->hencdsp.sub_hfyu_median_pred(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
783 s->hencdsp.sub_hfyu_median_pred(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv);
785 encode_422_bitstream(s, 0, width);
788 for (cy = y = 1; y < height; y++, cy++) {
789 uint8_t *ydst, *udst, *vdst;
791 /* encode a luma only line & y++ */
792 if (s->bitstream_bpp == 12) {
793 ydst = p->data[0] + p->linesize[0] * y;
795 if (s->predictor == PLANE && s->interlaced < y) {
796 s->hencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
798 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
800 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
802 encode_gray_bitstream(s, width);
804 if (y >= height) break;
807 ydst = p->data[0] + p->linesize[0] * y;
808 udst = p->data[1] + p->linesize[1] * cy;
809 vdst = p->data[2] + p->linesize[2] * cy;
811 if (s->predictor == PLANE && s->interlaced < cy) {
812 s->hencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
813 s->hencdsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
814 s->hencdsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
816 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
817 leftu = sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
818 leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
820 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
821 leftu = sub_left_prediction(s, s->temp[1], udst, width2, leftu);
822 leftv = sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
825 encode_422_bitstream(s, 0, width);
828 } else if(avctx->pix_fmt == AV_PIX_FMT_RGB32) {
829 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
830 const int stride = -p->linesize[0];
831 const int fake_stride = -fake_ystride;
833 int leftr, leftg, leftb, lefta;
835 put_bits(&s->pb, 8, lefta = data[A]);
836 put_bits(&s->pb, 8, leftr = data[R]);
837 put_bits(&s->pb, 8, leftg = data[G]);
838 put_bits(&s->pb, 8, leftb = data[B]);
840 sub_left_prediction_bgr32(s, s->temp[0], data + 4, width - 1,
841 &leftr, &leftg, &leftb, &lefta);
842 encode_bgra_bitstream(s, width - 1, 4);
844 for (y = 1; y < s->height; y++) {
845 uint8_t *dst = data + y*stride;
846 if (s->predictor == PLANE && s->interlaced < y) {
847 s->hencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width * 4);
848 sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width,
849 &leftr, &leftg, &leftb, &lefta);
851 sub_left_prediction_bgr32(s, s->temp[0], dst, width,
852 &leftr, &leftg, &leftb, &lefta);
854 encode_bgra_bitstream(s, width, 4);
856 } else if (avctx->pix_fmt == AV_PIX_FMT_RGB24) {
857 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
858 const int stride = -p->linesize[0];
859 const int fake_stride = -fake_ystride;
861 int leftr, leftg, leftb;
863 put_bits(&s->pb, 8, leftr = data[0]);
864 put_bits(&s->pb, 8, leftg = data[1]);
865 put_bits(&s->pb, 8, leftb = data[2]);
866 put_bits(&s->pb, 8, 0);
868 sub_left_prediction_rgb24(s, s->temp[0], data + 3, width - 1,
869 &leftr, &leftg, &leftb);
870 encode_bgra_bitstream(s, width-1, 3);
872 for (y = 1; y < s->height; y++) {
873 uint8_t *dst = data + y * stride;
874 if (s->predictor == PLANE && s->interlaced < y) {
875 s->hencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride,
877 sub_left_prediction_rgb24(s, s->temp[0], s->temp[1], width,
878 &leftr, &leftg, &leftb);
880 sub_left_prediction_rgb24(s, s->temp[0], dst, width,
881 &leftr, &leftg, &leftb);
883 encode_bgra_bitstream(s, width, 3);
885 } else if (s->version > 2) {
887 for (plane = 0; plane < 1 + 2*s->chroma + s->alpha; plane++) {
891 int fake_stride = fake_ystride;
893 if (s->chroma && (plane == 1 || plane == 2)) {
894 w >>= s->chroma_h_shift;
895 h >>= s->chroma_v_shift;
896 fake_stride = plane == 1 ? fake_ustride : fake_vstride;
899 left = sub_left_prediction(s, s->temp[0], p->data[plane], w , 0);
901 encode_plane_bitstream(s, w, plane);
903 if (s->predictor==MEDIAN) {
907 left = sub_left_prediction(s, s->temp[0], p->data[plane] + p->linesize[plane], w , left);
909 encode_plane_bitstream(s, w, plane);
913 lefttop = p->data[plane][0];
916 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
918 sub_median_prediction(s, s->temp[0], dst - fake_stride, dst, w , &left, &lefttop);
920 encode_plane_bitstream(s, w, plane);
923 for (y = 1; y < h; y++) {
924 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
926 if (s->predictor == PLANE && s->interlaced < y) {
927 diff_bytes(s, s->temp[1], dst, dst - fake_stride, w);
929 left = sub_left_prediction(s, s->temp[0], s->temp[1], w , left);
931 left = sub_left_prediction(s, s->temp[0], dst, w , left);
934 encode_plane_bitstream(s, w, plane);
939 av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
943 size += (put_bits_count(&s->pb) + 31) / 8;
944 put_bits(&s->pb, 16, 0);
945 put_bits(&s->pb, 15, 0);
948 if ((s->flags&CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
950 char *p = avctx->stats_out;
951 char *end = p + STATS_OUT_SIZE;
952 for (i = 0; i < 4; i++) {
953 for (j = 0; j < s->vlc_n; j++) {
954 snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
958 snprintf(p, end-p, "\n");
961 return AVERROR(ENOMEM);
963 } else if (avctx->stats_out)
964 avctx->stats_out[0] = '\0';
965 if (!(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
966 flush_put_bits(&s->pb);
967 s->bdsp.bswap_buf((uint32_t *) pkt->data, (uint32_t *) pkt->data, size);
972 pkt->size = size * 4;
973 pkt->flags |= AV_PKT_FLAG_KEY;
979 static av_cold int encode_end(AVCodecContext *avctx)
981 HYuvContext *s = avctx->priv_data;
983 ff_huffyuv_common_end(s);
985 av_freep(&avctx->extradata);
986 av_freep(&avctx->stats_out);
988 av_frame_free(&avctx->coded_frame);
993 AVCodec ff_huffyuv_encoder = {
995 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
996 .type = AVMEDIA_TYPE_VIDEO,
997 .id = AV_CODEC_ID_HUFFYUV,
998 .priv_data_size = sizeof(HYuvContext),
1000 .encode2 = encode_frame,
1001 .close = encode_end,
1002 .capabilities = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,
1003 .pix_fmts = (const enum AVPixelFormat[]){
1004 AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB24,
1005 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1009 #if CONFIG_FFVHUFF_ENCODER
1010 AVCodec ff_ffvhuff_encoder = {
1012 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
1013 .type = AVMEDIA_TYPE_VIDEO,
1014 .id = AV_CODEC_ID_FFVHUFF,
1015 .priv_data_size = sizeof(HYuvContext),
1016 .init = encode_init,
1017 .encode2 = encode_frame,
1018 .close = encode_end,
1019 .capabilities = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,
1020 .pix_fmts = (const enum AVPixelFormat[]){
1021 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV411P,
1022 AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
1024 AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
1025 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16,
1026 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
1029 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16,
1030 AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16,
1031 AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16,
1032 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
1033 AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16,
1034 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16,
1036 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE