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 s->bps = desc->comp[0].depth;
226 s->yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB) && desc->nb_components >= 2;
227 s->chroma = desc->nb_components > 2;
228 s->alpha = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA);
229 av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
233 switch (avctx->pix_fmt) {
234 case AV_PIX_FMT_YUV420P:
235 case AV_PIX_FMT_YUV422P:
237 av_log(avctx, AV_LOG_ERROR, "Width must be even for this colorspace.\n");
238 return AVERROR(EINVAL);
240 s->bitstream_bpp = avctx->pix_fmt == AV_PIX_FMT_YUV420P ? 12 : 16;
242 case AV_PIX_FMT_YUV444P:
243 case AV_PIX_FMT_YUV410P:
244 case AV_PIX_FMT_YUV411P:
245 case AV_PIX_FMT_YUV440P:
246 case AV_PIX_FMT_GBRP:
247 case AV_PIX_FMT_GBRP9:
248 case AV_PIX_FMT_GBRP10:
249 case AV_PIX_FMT_GBRP12:
250 case AV_PIX_FMT_GBRP14:
251 case AV_PIX_FMT_GBRP16:
252 case AV_PIX_FMT_GRAY8:
253 case AV_PIX_FMT_GRAY16:
254 case AV_PIX_FMT_YUVA444P:
255 case AV_PIX_FMT_YUVA420P:
256 case AV_PIX_FMT_YUVA422P:
257 case AV_PIX_FMT_GBRAP:
258 case AV_PIX_FMT_YUV420P9:
259 case AV_PIX_FMT_YUV420P10:
260 case AV_PIX_FMT_YUV420P12:
261 case AV_PIX_FMT_YUV420P14:
262 case AV_PIX_FMT_YUV420P16:
263 case AV_PIX_FMT_YUV422P9:
264 case AV_PIX_FMT_YUV422P10:
265 case AV_PIX_FMT_YUV422P12:
266 case AV_PIX_FMT_YUV422P14:
267 case AV_PIX_FMT_YUV422P16:
268 case AV_PIX_FMT_YUV444P9:
269 case AV_PIX_FMT_YUV444P10:
270 case AV_PIX_FMT_YUV444P12:
271 case AV_PIX_FMT_YUV444P14:
272 case AV_PIX_FMT_YUV444P16:
273 case AV_PIX_FMT_YUVA420P9:
274 case AV_PIX_FMT_YUVA420P10:
275 case AV_PIX_FMT_YUVA420P16:
276 case AV_PIX_FMT_YUVA422P9:
277 case AV_PIX_FMT_YUVA422P10:
278 case AV_PIX_FMT_YUVA422P16:
279 case AV_PIX_FMT_YUVA444P9:
280 case AV_PIX_FMT_YUVA444P10:
281 case AV_PIX_FMT_YUVA444P16:
284 case AV_PIX_FMT_RGB32:
285 s->bitstream_bpp = 32;
287 case AV_PIX_FMT_RGB24:
288 s->bitstream_bpp = 24;
291 av_log(avctx, AV_LOG_ERROR, "format not supported\n");
292 return AVERROR(EINVAL);
295 s->vlc_n = FFMIN(s->n, MAX_VLC_N);
297 avctx->bits_per_coded_sample = s->bitstream_bpp;
298 s->decorrelate = s->bitstream_bpp >= 24 && !s->yuv && !(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
299 s->interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_ME ? 1 : 0;
301 if (s->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) {
302 av_log(avctx, AV_LOG_ERROR,
303 "context=1 is not compatible with "
304 "2 pass huffyuv encoding\n");
305 return AVERROR(EINVAL);
309 if (avctx->codec->id == AV_CODEC_ID_HUFFYUV) {
310 if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
311 av_log(avctx, AV_LOG_ERROR,
312 "Error: YV12 is not supported by huffyuv; use "
313 "vcodec=ffvhuff or format=422p\n");
314 return AVERROR(EINVAL);
316 if (s->interlaced != ( s->height > 288 ))
317 av_log(avctx, AV_LOG_INFO,
318 "using huffyuv 2.2.0 or newer interlacing flag\n");
321 if (s->version > 3 && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
322 av_log(avctx, AV_LOG_ERROR, "Ver > 3 is under development, files encoded with it may not be decodable with future versions!!!\n"
323 "Use vstrict=-2 / -strict -2 to use it anyway.\n");
324 return AVERROR(EINVAL);
327 if (s->bitstream_bpp >= 24 && s->predictor == MEDIAN && s->version <= 2) {
328 av_log(avctx, AV_LOG_ERROR,
329 "Error: RGB is incompatible with median predictor\n");
330 return AVERROR(EINVAL);
333 ((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
334 ((uint8_t*)avctx->extradata)[2] = s->interlaced ? 0x10 : 0x20;
336 ((uint8_t*)avctx->extradata)[2] |= 0x40;
337 if (s->version < 3) {
338 ((uint8_t*)avctx->extradata)[1] = s->bitstream_bpp;
339 ((uint8_t*)avctx->extradata)[3] = 0;
341 ((uint8_t*)avctx->extradata)[1] = ((s->bps-1)<<4) | s->chroma_h_shift | (s->chroma_v_shift<<2);
343 ((uint8_t*)avctx->extradata)[2] |= s->yuv ? 1 : 2;
345 ((uint8_t*)avctx->extradata)[2] |= 4;
346 ((uint8_t*)avctx->extradata)[3] = 1;
348 s->avctx->extradata_size = 4;
350 if (avctx->stats_in) {
351 char *p = avctx->stats_in;
353 for (i = 0; i < 4; i++)
354 for (j = 0; j < s->vlc_n; j++)
358 for (i = 0; i < 4; i++) {
361 for (j = 0; j < s->vlc_n; j++) {
362 s->stats[i][j] += strtol(p, &next, 0);
363 if (next == p) return -1;
367 if (p[0] == 0 || p[1] == 0 || p[2] == 0) break;
370 for (i = 0; i < 4; i++)
371 for (j = 0; j < s->vlc_n; j++) {
372 int d = FFMIN(j, s->vlc_n - j);
374 s->stats[i][j] = 100000000 / (d*d + 1);
378 ret = store_huffman_tables(s, s->avctx->extradata + s->avctx->extradata_size);
381 s->avctx->extradata_size += ret;
384 for (i = 0; i < 4; i++) {
385 int pels = s->width * s->height / (i ? 40 : 10);
386 for (j = 0; j < s->vlc_n; j++) {
387 int d = FFMIN(j, s->vlc_n - j);
388 s->stats[i][j] = pels/(d*d + 1);
392 for (i = 0; i < 4; i++)
393 for (j = 0; j < s->vlc_n; j++)
397 if (ff_huffyuv_alloc_temp(s)) {
398 ff_huffyuv_common_end(s);
399 return AVERROR(ENOMEM);
406 static int encode_422_bitstream(HYuvContext *s, int offset, int count)
409 const uint8_t *y = s->temp[0] + offset;
410 const uint8_t *u = s->temp[1] + offset / 2;
411 const uint8_t *v = s->temp[2] + offset / 2;
413 if (put_bytes_left(&s->pb, 0) < 2 * 4 * count) {
414 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
420 int y1 = y[2 * i + 1];\
426 if (s->flags & AV_CODEC_FLAG_PASS1) {
427 for(i = 0; i < count; i++) {
435 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
438 for (i = 0; i < count; i++) {
441 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
443 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
445 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
447 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
450 for(i = 0; i < count; i++) {
452 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
453 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
454 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
455 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
461 static int encode_plane_bitstream(HYuvContext *s, int width, int plane)
463 int i, count = width/2;
465 if (put_bytes_left(&s->pb, 0) < count * s->bps / 2) {
466 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
471 int y0 = s->temp[0][width-1];
473 int y0 = s->temp16[0][width-1] & mask;
475 int y0 = s->temp16[0][width-1];
477 s->stats[plane][y0]++;
479 s->stats[plane][y0>>2]++;
481 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);
483 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
484 put_bits(&s->pb, 2, y0&3);
487 int y0 = s->temp[0][2 * i];\
488 int y1 = s->temp[0][2 * i + 1];
490 int y0 = s->temp16[0][2 * i] & mask;\
491 int y1 = s->temp16[0][2 * i + 1] & mask;
493 int y0 = s->temp16[0][2 * i];\
494 int y1 = s->temp16[0][2 * i + 1];
496 s->stats[plane][y0]++;\
497 s->stats[plane][y1]++;
499 s->stats[plane][y0>>2]++;\
500 s->stats[plane][y1>>2]++;
502 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);\
503 put_bits(&s->pb, s->len[plane][y1], s->bits[plane][y1]);
505 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
506 put_bits(&s->pb, 2, y0&3);\
507 put_bits(&s->pb, s->len[plane][y1>>2], s->bits[plane][y1>>2]);\
508 put_bits(&s->pb, 2, y1&3);
511 if (s->flags & AV_CODEC_FLAG_PASS1) {
512 for (i = 0; i < count; i++) {
521 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
525 for (i = 0; i < count; i++) {
536 for (i = 0; i < count; i++) {
545 } else if (s->bps <= 14) {
547 if (s->flags & AV_CODEC_FLAG_PASS1) {
548 for (i = 0; i < count; i++) {
557 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
561 for (i = 0; i < count; i++) {
572 for (i = 0; i < count; i++) {
582 if (s->flags & AV_CODEC_FLAG_PASS1) {
583 for (i = 0; i < count; i++) {
592 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
596 for (i = 0; i < count; i++) {
607 for (i = 0; i < count; i++) {
623 static int encode_gray_bitstream(HYuvContext *s, int count)
627 if (put_bytes_left(&s->pb, 0) < 4 * count) {
628 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
633 int y0 = s->temp[0][2 * i];\
634 int y1 = s->temp[0][2 * i + 1];
639 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
640 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
644 if (s->flags & AV_CODEC_FLAG_PASS1) {
645 for (i = 0; i < count; i++) {
650 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
654 for (i = 0; i < count; i++) {
660 for (i = 0; i < count; i++) {
668 static inline int encode_bgra_bitstream(HYuvContext *s, int count, int planes)
672 if (put_bytes_left(&s->pb, 0) < 4 * planes * count) {
673 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
678 int g = s->temp[0][planes == 3 ? 3 * i + 1 : 4 * i + G]; \
679 int b =(s->temp[0][planes == 3 ? 3 * i + 2 : 4 * i + B] - g) & 0xFF;\
680 int r =(s->temp[0][planes == 3 ? 3 * i + 0 : 4 * i + R] - g) & 0xFF;\
681 int a = s->temp[0][planes * i + A];
691 put_bits(&s->pb, s->len[1][g], s->bits[1][g]); \
692 put_bits(&s->pb, s->len[0][b], s->bits[0][b]); \
693 put_bits(&s->pb, s->len[2][r], s->bits[2][r]); \
695 put_bits(&s->pb, s->len[2][a], s->bits[2][a]);
697 if ((s->flags & AV_CODEC_FLAG_PASS1) &&
698 (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
699 for (i = 0; i < count; i++) {
703 } else if (s->context || (s->flags & AV_CODEC_FLAG_PASS1)) {
704 for (i = 0; i < count; i++) {
710 for (i = 0; i < count; i++) {
718 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
719 const AVFrame *pict, int *got_packet)
721 HYuvContext *s = avctx->priv_data;
722 const int width = s->width;
723 const int width2 = s->width>>1;
724 const int height = s->height;
725 const int fake_ystride = s->interlaced ? pict->linesize[0]*2 : pict->linesize[0];
726 const int fake_ustride = s->interlaced ? pict->linesize[1]*2 : pict->linesize[1];
727 const int fake_vstride = s->interlaced ? pict->linesize[2]*2 : pict->linesize[2];
728 const AVFrame * const p = pict;
729 int i, j, size = 0, ret;
731 if ((ret = ff_alloc_packet2(avctx, pkt, width * height * 3 * 4 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
735 size = store_huffman_tables(s, pkt->data);
739 for (i = 0; i < 4; i++)
740 for (j = 0; j < s->vlc_n; j++)
741 s->stats[i][j] >>= 1;
744 init_put_bits(&s->pb, pkt->data + size, pkt->size - size);
746 if (avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
747 avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
748 int lefty, leftu, leftv, y, cy;
750 put_bits(&s->pb, 8, leftv = p->data[2][0]);
751 put_bits(&s->pb, 8, lefty = p->data[0][1]);
752 put_bits(&s->pb, 8, leftu = p->data[1][0]);
753 put_bits(&s->pb, 8, p->data[0][0]);
755 lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
756 leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
757 leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
759 encode_422_bitstream(s, 2, width-2);
761 if (s->predictor==MEDIAN) {
762 int lefttopy, lefttopu, lefttopv;
765 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + p->linesize[0], width , lefty);
766 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + p->linesize[1], width2, leftu);
767 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + p->linesize[2], width2, leftv);
769 encode_422_bitstream(s, 0, width);
773 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty);
774 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + fake_ustride, 2, leftu);
775 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + fake_vstride, 2, leftv);
777 encode_422_bitstream(s, 0, 4);
779 lefttopy = p->data[0][3];
780 lefttopu = p->data[1][1];
781 lefttopv = p->data[2][1];
782 s->llvidencdsp.sub_median_pred(s->temp[0], p->data[0] + 4, p->data[0] + fake_ystride + 4, width - 4, &lefty, &lefttopy);
783 s->llvidencdsp.sub_median_pred(s->temp[1], p->data[1] + 2, p->data[1] + fake_ustride + 2, width2 - 2, &leftu, &lefttopu);
784 s->llvidencdsp.sub_median_pred(s->temp[2], p->data[2] + 2, p->data[2] + fake_vstride + 2, width2 - 2, &leftv, &lefttopv);
785 encode_422_bitstream(s, 0, width - 4);
788 for (; y < height; y++,cy++) {
789 uint8_t *ydst, *udst, *vdst;
791 if (s->bitstream_bpp == 12) {
793 ydst = p->data[0] + p->linesize[0] * y;
794 s->llvidencdsp.sub_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
795 encode_gray_bitstream(s, width);
798 if (y >= height) break;
800 ydst = p->data[0] + p->linesize[0] * y;
801 udst = p->data[1] + p->linesize[1] * cy;
802 vdst = p->data[2] + p->linesize[2] * cy;
804 s->llvidencdsp.sub_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
805 s->llvidencdsp.sub_median_pred(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
806 s->llvidencdsp.sub_median_pred(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv);
808 encode_422_bitstream(s, 0, width);
811 for (cy = y = 1; y < height; y++, cy++) {
812 uint8_t *ydst, *udst, *vdst;
814 /* encode a luma only line & y++ */
815 if (s->bitstream_bpp == 12) {
816 ydst = p->data[0] + p->linesize[0] * y;
818 if (s->predictor == PLANE && s->interlaced < y) {
819 s->llvidencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
821 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
823 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
825 encode_gray_bitstream(s, width);
827 if (y >= height) break;
830 ydst = p->data[0] + p->linesize[0] * y;
831 udst = p->data[1] + p->linesize[1] * cy;
832 vdst = p->data[2] + p->linesize[2] * cy;
834 if (s->predictor == PLANE && s->interlaced < cy) {
835 s->llvidencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
836 s->llvidencdsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
837 s->llvidencdsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
839 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
840 leftu = sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
841 leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
843 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
844 leftu = sub_left_prediction(s, s->temp[1], udst, width2, leftu);
845 leftv = sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
848 encode_422_bitstream(s, 0, width);
851 } else if(avctx->pix_fmt == AV_PIX_FMT_RGB32) {
852 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
853 const int stride = -p->linesize[0];
854 const int fake_stride = -fake_ystride;
856 int leftr, leftg, leftb, lefta;
858 put_bits(&s->pb, 8, lefta = data[A]);
859 put_bits(&s->pb, 8, leftr = data[R]);
860 put_bits(&s->pb, 8, leftg = data[G]);
861 put_bits(&s->pb, 8, leftb = data[B]);
863 sub_left_prediction_bgr32(s, s->temp[0], data + 4, width - 1,
864 &leftr, &leftg, &leftb, &lefta);
865 encode_bgra_bitstream(s, width - 1, 4);
867 for (y = 1; y < s->height; y++) {
868 uint8_t *dst = data + y*stride;
869 if (s->predictor == PLANE && s->interlaced < y) {
870 s->llvidencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width * 4);
871 sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width,
872 &leftr, &leftg, &leftb, &lefta);
874 sub_left_prediction_bgr32(s, s->temp[0], dst, width,
875 &leftr, &leftg, &leftb, &lefta);
877 encode_bgra_bitstream(s, width, 4);
879 } else if (avctx->pix_fmt == AV_PIX_FMT_RGB24) {
880 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
881 const int stride = -p->linesize[0];
882 const int fake_stride = -fake_ystride;
884 int leftr, leftg, leftb;
886 put_bits(&s->pb, 8, leftr = data[0]);
887 put_bits(&s->pb, 8, leftg = data[1]);
888 put_bits(&s->pb, 8, leftb = data[2]);
889 put_bits(&s->pb, 8, 0);
891 sub_left_prediction_rgb24(s, s->temp[0], data + 3, width - 1,
892 &leftr, &leftg, &leftb);
893 encode_bgra_bitstream(s, width-1, 3);
895 for (y = 1; y < s->height; y++) {
896 uint8_t *dst = data + y * stride;
897 if (s->predictor == PLANE && s->interlaced < y) {
898 s->llvidencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride,
900 sub_left_prediction_rgb24(s, s->temp[0], s->temp[1], width,
901 &leftr, &leftg, &leftb);
903 sub_left_prediction_rgb24(s, s->temp[0], dst, width,
904 &leftr, &leftg, &leftb);
906 encode_bgra_bitstream(s, width, 3);
908 } else if (s->version > 2) {
910 for (plane = 0; plane < 1 + 2*s->chroma + s->alpha; plane++) {
914 int fake_stride = fake_ystride;
916 if (s->chroma && (plane == 1 || plane == 2)) {
917 w >>= s->chroma_h_shift;
918 h >>= s->chroma_v_shift;
919 fake_stride = plane == 1 ? fake_ustride : fake_vstride;
922 left = sub_left_prediction(s, s->temp[0], p->data[plane], w , 0);
924 encode_plane_bitstream(s, w, plane);
926 if (s->predictor==MEDIAN) {
930 left = sub_left_prediction(s, s->temp[0], p->data[plane] + p->linesize[plane], w , left);
932 encode_plane_bitstream(s, w, plane);
936 lefttop = p->data[plane][0];
939 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
941 sub_median_prediction(s, s->temp[0], dst - fake_stride, dst, w , &left, &lefttop);
943 encode_plane_bitstream(s, w, plane);
946 for (y = 1; y < h; y++) {
947 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
949 if (s->predictor == PLANE && s->interlaced < y) {
950 diff_bytes(s, s->temp[1], dst, dst - fake_stride, w);
952 left = sub_left_prediction(s, s->temp[0], s->temp[1], w , left);
954 left = sub_left_prediction(s, s->temp[0], dst, w , left);
957 encode_plane_bitstream(s, w, plane);
962 av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
966 size += (put_bits_count(&s->pb) + 31) / 8;
967 put_bits(&s->pb, 16, 0);
968 put_bits(&s->pb, 15, 0);
971 if ((s->flags & AV_CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
973 char *p = avctx->stats_out;
974 char *end = p + STATS_OUT_SIZE;
975 for (i = 0; i < 4; i++) {
976 for (j = 0; j < s->vlc_n; j++) {
977 snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
981 snprintf(p, end-p, "\n");
984 return AVERROR(ENOMEM);
986 } else if (avctx->stats_out)
987 avctx->stats_out[0] = '\0';
988 if (!(s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
989 flush_put_bits(&s->pb);
990 s->bdsp.bswap_buf((uint32_t *) pkt->data, (uint32_t *) pkt->data, size);
995 pkt->size = size * 4;
996 pkt->flags |= AV_PKT_FLAG_KEY;
1002 static av_cold int encode_end(AVCodecContext *avctx)
1004 HYuvContext *s = avctx->priv_data;
1006 ff_huffyuv_common_end(s);
1008 av_freep(&avctx->stats_out);
1013 #define OFFSET(x) offsetof(HYuvContext, x)
1014 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1016 #define COMMON_OPTIONS \
1017 { "non_deterministic", "Allow multithreading for e.g. context=1 at the expense of determinism", \
1018 OFFSET(non_determ), AV_OPT_TYPE_BOOL, { .i64 = 1 }, \
1020 { "pred", "Prediction method", OFFSET(predictor), AV_OPT_TYPE_INT, { .i64 = LEFT }, LEFT, MEDIAN, VE, "pred" }, \
1021 { "left", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LEFT }, INT_MIN, INT_MAX, VE, "pred" }, \
1022 { "plane", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PLANE }, INT_MIN, INT_MAX, VE, "pred" }, \
1023 { "median", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MEDIAN }, INT_MIN, INT_MAX, VE, "pred" }, \
1025 static const AVOption normal_options[] = {
1030 static const AVOption ff_options[] = {
1032 { "context", "Set per-frame huffman tables", OFFSET(context), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
1036 static const AVClass normal_class = {
1037 .class_name = "huffyuv",
1038 .item_name = av_default_item_name,
1039 .option = normal_options,
1040 .version = LIBAVUTIL_VERSION_INT,
1043 static const AVClass ff_class = {
1044 .class_name = "ffvhuff",
1045 .item_name = av_default_item_name,
1046 .option = ff_options,
1047 .version = LIBAVUTIL_VERSION_INT,
1050 const AVCodec ff_huffyuv_encoder = {
1052 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
1053 .type = AVMEDIA_TYPE_VIDEO,
1054 .id = AV_CODEC_ID_HUFFYUV,
1055 .priv_data_size = sizeof(HYuvContext),
1056 .init = encode_init,
1057 .encode2 = encode_frame,
1058 .close = encode_end,
1059 .capabilities = AV_CODEC_CAP_FRAME_THREADS,
1060 .priv_class = &normal_class,
1061 .pix_fmts = (const enum AVPixelFormat[]){
1062 AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB24,
1063 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1065 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1066 FF_CODEC_CAP_INIT_CLEANUP,
1069 #if CONFIG_FFVHUFF_ENCODER
1070 const AVCodec ff_ffvhuff_encoder = {
1072 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
1073 .type = AVMEDIA_TYPE_VIDEO,
1074 .id = AV_CODEC_ID_FFVHUFF,
1075 .priv_data_size = sizeof(HYuvContext),
1076 .init = encode_init,
1077 .encode2 = encode_frame,
1078 .close = encode_end,
1079 .capabilities = AV_CODEC_CAP_FRAME_THREADS,
1080 .priv_class = &ff_class,
1081 .pix_fmts = (const enum AVPixelFormat[]){
1082 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV411P,
1083 AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
1085 AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
1086 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16,
1087 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
1089 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16,
1090 AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16,
1091 AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16,
1092 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
1093 AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16,
1094 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16,
1096 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1098 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1099 FF_CODEC_CAP_INIT_CLEANUP,