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
232 s->bps = desc->comp[0].depth;
233 s->yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB) && desc->nb_components >= 2;
234 s->chroma = desc->nb_components > 2;
235 s->alpha = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA);
236 av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
240 switch (avctx->pix_fmt) {
241 case AV_PIX_FMT_YUV420P:
242 case AV_PIX_FMT_YUV422P:
244 av_log(avctx, AV_LOG_ERROR, "Width must be even for this colorspace.\n");
245 return AVERROR(EINVAL);
247 s->bitstream_bpp = avctx->pix_fmt == AV_PIX_FMT_YUV420P ? 12 : 16;
249 case AV_PIX_FMT_YUV444P:
250 case AV_PIX_FMT_YUV410P:
251 case AV_PIX_FMT_YUV411P:
252 case AV_PIX_FMT_YUV440P:
253 case AV_PIX_FMT_GBRP:
254 case AV_PIX_FMT_GBRP9:
255 case AV_PIX_FMT_GBRP10:
256 case AV_PIX_FMT_GBRP12:
257 case AV_PIX_FMT_GBRP14:
258 case AV_PIX_FMT_GBRP16:
259 case AV_PIX_FMT_GRAY8:
260 case AV_PIX_FMT_GRAY16:
261 case AV_PIX_FMT_YUVA444P:
262 case AV_PIX_FMT_YUVA420P:
263 case AV_PIX_FMT_YUVA422P:
264 case AV_PIX_FMT_GBRAP:
265 case AV_PIX_FMT_YUV420P9:
266 case AV_PIX_FMT_YUV420P10:
267 case AV_PIX_FMT_YUV420P12:
268 case AV_PIX_FMT_YUV420P14:
269 case AV_PIX_FMT_YUV420P16:
270 case AV_PIX_FMT_YUV422P9:
271 case AV_PIX_FMT_YUV422P10:
272 case AV_PIX_FMT_YUV422P12:
273 case AV_PIX_FMT_YUV422P14:
274 case AV_PIX_FMT_YUV422P16:
275 case AV_PIX_FMT_YUV444P9:
276 case AV_PIX_FMT_YUV444P10:
277 case AV_PIX_FMT_YUV444P12:
278 case AV_PIX_FMT_YUV444P14:
279 case AV_PIX_FMT_YUV444P16:
280 case AV_PIX_FMT_YUVA420P9:
281 case AV_PIX_FMT_YUVA420P10:
282 case AV_PIX_FMT_YUVA420P16:
283 case AV_PIX_FMT_YUVA422P9:
284 case AV_PIX_FMT_YUVA422P10:
285 case AV_PIX_FMT_YUVA422P16:
286 case AV_PIX_FMT_YUVA444P9:
287 case AV_PIX_FMT_YUVA444P10:
288 case AV_PIX_FMT_YUVA444P16:
291 case AV_PIX_FMT_RGB32:
292 s->bitstream_bpp = 32;
294 case AV_PIX_FMT_RGB24:
295 s->bitstream_bpp = 24;
298 av_log(avctx, AV_LOG_ERROR, "format not supported\n");
299 return AVERROR(EINVAL);
302 s->vlc_n = FFMIN(s->n, MAX_VLC_N);
304 avctx->bits_per_coded_sample = s->bitstream_bpp;
305 s->decorrelate = s->bitstream_bpp >= 24 && !s->yuv && !(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
306 s->interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_ME ? 1 : 0;
308 if (s->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) {
309 av_log(avctx, AV_LOG_ERROR,
310 "context=1 is not compatible with "
311 "2 pass huffyuv encoding\n");
312 return AVERROR(EINVAL);
316 if (avctx->codec->id == AV_CODEC_ID_HUFFYUV) {
317 if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
318 av_log(avctx, AV_LOG_ERROR,
319 "Error: YV12 is not supported by huffyuv; use "
320 "vcodec=ffvhuff or format=422p\n");
321 return AVERROR(EINVAL);
323 if (s->interlaced != ( s->height > 288 ))
324 av_log(avctx, AV_LOG_INFO,
325 "using huffyuv 2.2.0 or newer interlacing flag\n");
328 if (s->version > 3 && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
329 av_log(avctx, AV_LOG_ERROR, "Ver > 3 is under development, files encoded with it may not be decodable with future versions!!!\n"
330 "Use vstrict=-2 / -strict -2 to use it anyway.\n");
331 return AVERROR(EINVAL);
334 if (s->bitstream_bpp >= 24 && s->predictor == MEDIAN && s->version <= 2) {
335 av_log(avctx, AV_LOG_ERROR,
336 "Error: RGB is incompatible with median predictor\n");
337 return AVERROR(EINVAL);
340 ((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
341 ((uint8_t*)avctx->extradata)[2] = s->interlaced ? 0x10 : 0x20;
343 ((uint8_t*)avctx->extradata)[2] |= 0x40;
344 if (s->version < 3) {
345 ((uint8_t*)avctx->extradata)[1] = s->bitstream_bpp;
346 ((uint8_t*)avctx->extradata)[3] = 0;
348 ((uint8_t*)avctx->extradata)[1] = ((s->bps-1)<<4) | s->chroma_h_shift | (s->chroma_v_shift<<2);
350 ((uint8_t*)avctx->extradata)[2] |= s->yuv ? 1 : 2;
352 ((uint8_t*)avctx->extradata)[2] |= 4;
353 ((uint8_t*)avctx->extradata)[3] = 1;
355 s->avctx->extradata_size = 4;
357 if (avctx->stats_in) {
358 char *p = avctx->stats_in;
360 for (i = 0; i < 4; i++)
361 for (j = 0; j < s->vlc_n; j++)
365 for (i = 0; i < 4; i++) {
368 for (j = 0; j < s->vlc_n; j++) {
369 s->stats[i][j] += strtol(p, &next, 0);
370 if (next == p) return -1;
374 if (p[0] == 0 || p[1] == 0 || p[2] == 0) break;
377 for (i = 0; i < 4; i++)
378 for (j = 0; j < s->vlc_n; j++) {
379 int d = FFMIN(j, s->vlc_n - j);
381 s->stats[i][j] = 100000000 / (d*d + 1);
385 ret = store_huffman_tables(s, s->avctx->extradata + s->avctx->extradata_size);
388 s->avctx->extradata_size += ret;
391 for (i = 0; i < 4; i++) {
392 int pels = s->width * s->height / (i ? 40 : 10);
393 for (j = 0; j < s->vlc_n; j++) {
394 int d = FFMIN(j, s->vlc_n - j);
395 s->stats[i][j] = pels/(d*d + 1);
399 for (i = 0; i < 4; i++)
400 for (j = 0; j < s->vlc_n; j++)
404 if (ff_huffyuv_alloc_temp(s)) {
405 ff_huffyuv_common_end(s);
406 return AVERROR(ENOMEM);
413 static int encode_422_bitstream(HYuvContext *s, int offset, int count)
416 const uint8_t *y = s->temp[0] + offset;
417 const uint8_t *u = s->temp[1] + offset / 2;
418 const uint8_t *v = s->temp[2] + offset / 2;
420 if (put_bytes_left(&s->pb, 0) < 2 * 4 * count) {
421 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
427 int y1 = y[2 * i + 1];\
433 if (s->flags & AV_CODEC_FLAG_PASS1) {
434 for(i = 0; i < count; i++) {
442 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
445 for (i = 0; i < count; i++) {
448 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
450 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
452 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
454 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
457 for(i = 0; i < count; i++) {
459 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
460 put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
461 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
462 put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
468 static int encode_plane_bitstream(HYuvContext *s, int width, int plane)
470 int i, count = width/2;
472 if (put_bytes_left(&s->pb, 0) < count * s->bps / 2) {
473 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
478 int y0 = s->temp[0][width-1];
480 int y0 = s->temp16[0][width-1] & mask;
482 int y0 = s->temp16[0][width-1];
484 s->stats[plane][y0]++;
486 s->stats[plane][y0>>2]++;
488 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);
490 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
491 put_bits(&s->pb, 2, y0&3);
494 int y0 = s->temp[0][2 * i];\
495 int y1 = s->temp[0][2 * i + 1];
497 int y0 = s->temp16[0][2 * i] & mask;\
498 int y1 = s->temp16[0][2 * i + 1] & mask;
500 int y0 = s->temp16[0][2 * i];\
501 int y1 = s->temp16[0][2 * i + 1];
503 s->stats[plane][y0]++;\
504 s->stats[plane][y1]++;
506 s->stats[plane][y0>>2]++;\
507 s->stats[plane][y1>>2]++;
509 put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);\
510 put_bits(&s->pb, s->len[plane][y1], s->bits[plane][y1]);
512 put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
513 put_bits(&s->pb, 2, y0&3);\
514 put_bits(&s->pb, s->len[plane][y1>>2], s->bits[plane][y1>>2]);\
515 put_bits(&s->pb, 2, y1&3);
518 if (s->flags & AV_CODEC_FLAG_PASS1) {
519 for (i = 0; i < count; i++) {
528 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
532 for (i = 0; i < count; i++) {
543 for (i = 0; i < count; i++) {
552 } else if (s->bps <= 14) {
554 if (s->flags & AV_CODEC_FLAG_PASS1) {
555 for (i = 0; i < count; i++) {
564 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
568 for (i = 0; i < count; i++) {
579 for (i = 0; i < count; i++) {
589 if (s->flags & AV_CODEC_FLAG_PASS1) {
590 for (i = 0; i < count; i++) {
599 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
603 for (i = 0; i < count; i++) {
614 for (i = 0; i < count; i++) {
630 static int encode_gray_bitstream(HYuvContext *s, int count)
634 if (put_bytes_left(&s->pb, 0) < 4 * count) {
635 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
640 int y0 = s->temp[0][2 * i];\
641 int y1 = s->temp[0][2 * i + 1];
646 put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
647 put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
651 if (s->flags & AV_CODEC_FLAG_PASS1) {
652 for (i = 0; i < count; i++) {
657 if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
661 for (i = 0; i < count; i++) {
667 for (i = 0; i < count; i++) {
675 static inline int encode_bgra_bitstream(HYuvContext *s, int count, int planes)
679 if (put_bytes_left(&s->pb, 0) < 4 * planes * count) {
680 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
685 int g = s->temp[0][planes == 3 ? 3 * i + 1 : 4 * i + G]; \
686 int b =(s->temp[0][planes == 3 ? 3 * i + 2 : 4 * i + B] - g) & 0xFF;\
687 int r =(s->temp[0][planes == 3 ? 3 * i + 0 : 4 * i + R] - g) & 0xFF;\
688 int a = s->temp[0][planes * i + A];
698 put_bits(&s->pb, s->len[1][g], s->bits[1][g]); \
699 put_bits(&s->pb, s->len[0][b], s->bits[0][b]); \
700 put_bits(&s->pb, s->len[2][r], s->bits[2][r]); \
702 put_bits(&s->pb, s->len[2][a], s->bits[2][a]);
704 if ((s->flags & AV_CODEC_FLAG_PASS1) &&
705 (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
706 for (i = 0; i < count; i++) {
710 } else if (s->context || (s->flags & AV_CODEC_FLAG_PASS1)) {
711 for (i = 0; i < count; i++) {
717 for (i = 0; i < count; i++) {
725 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
726 const AVFrame *pict, int *got_packet)
728 HYuvContext *s = avctx->priv_data;
729 const int width = s->width;
730 const int width2 = s->width>>1;
731 const int height = s->height;
732 const int fake_ystride = s->interlaced ? pict->linesize[0]*2 : pict->linesize[0];
733 const int fake_ustride = s->interlaced ? pict->linesize[1]*2 : pict->linesize[1];
734 const int fake_vstride = s->interlaced ? pict->linesize[2]*2 : pict->linesize[2];
735 const AVFrame * const p = pict;
736 int i, j, size = 0, ret;
738 if ((ret = ff_alloc_packet2(avctx, pkt, width * height * 3 * 4 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
742 size = store_huffman_tables(s, pkt->data);
746 for (i = 0; i < 4; i++)
747 for (j = 0; j < s->vlc_n; j++)
748 s->stats[i][j] >>= 1;
751 init_put_bits(&s->pb, pkt->data + size, pkt->size - size);
753 if (avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
754 avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
755 int lefty, leftu, leftv, y, cy;
757 put_bits(&s->pb, 8, leftv = p->data[2][0]);
758 put_bits(&s->pb, 8, lefty = p->data[0][1]);
759 put_bits(&s->pb, 8, leftu = p->data[1][0]);
760 put_bits(&s->pb, 8, p->data[0][0]);
762 lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
763 leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
764 leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
766 encode_422_bitstream(s, 2, width-2);
768 if (s->predictor==MEDIAN) {
769 int lefttopy, lefttopu, lefttopv;
772 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + p->linesize[0], width , lefty);
773 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + p->linesize[1], width2, leftu);
774 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + p->linesize[2], width2, leftv);
776 encode_422_bitstream(s, 0, width);
780 lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty);
781 leftu = sub_left_prediction(s, s->temp[1], p->data[1] + fake_ustride, 2, leftu);
782 leftv = sub_left_prediction(s, s->temp[2], p->data[2] + fake_vstride, 2, leftv);
784 encode_422_bitstream(s, 0, 4);
786 lefttopy = p->data[0][3];
787 lefttopu = p->data[1][1];
788 lefttopv = p->data[2][1];
789 s->llvidencdsp.sub_median_pred(s->temp[0], p->data[0] + 4, p->data[0] + fake_ystride + 4, width - 4, &lefty, &lefttopy);
790 s->llvidencdsp.sub_median_pred(s->temp[1], p->data[1] + 2, p->data[1] + fake_ustride + 2, width2 - 2, &leftu, &lefttopu);
791 s->llvidencdsp.sub_median_pred(s->temp[2], p->data[2] + 2, p->data[2] + fake_vstride + 2, width2 - 2, &leftv, &lefttopv);
792 encode_422_bitstream(s, 0, width - 4);
795 for (; y < height; y++,cy++) {
796 uint8_t *ydst, *udst, *vdst;
798 if (s->bitstream_bpp == 12) {
800 ydst = p->data[0] + p->linesize[0] * y;
801 s->llvidencdsp.sub_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
802 encode_gray_bitstream(s, width);
805 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 s->llvidencdsp.sub_median_pred(s->temp[0], ydst - fake_ystride, ydst, width, &lefty, &lefttopy);
812 s->llvidencdsp.sub_median_pred(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
813 s->llvidencdsp.sub_median_pred(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv);
815 encode_422_bitstream(s, 0, width);
818 for (cy = y = 1; y < height; y++, cy++) {
819 uint8_t *ydst, *udst, *vdst;
821 /* encode a luma only line & y++ */
822 if (s->bitstream_bpp == 12) {
823 ydst = p->data[0] + p->linesize[0] * y;
825 if (s->predictor == PLANE && s->interlaced < y) {
826 s->llvidencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
828 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
830 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
832 encode_gray_bitstream(s, width);
834 if (y >= height) break;
837 ydst = p->data[0] + p->linesize[0] * y;
838 udst = p->data[1] + p->linesize[1] * cy;
839 vdst = p->data[2] + p->linesize[2] * cy;
841 if (s->predictor == PLANE && s->interlaced < cy) {
842 s->llvidencdsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
843 s->llvidencdsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
844 s->llvidencdsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
846 lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
847 leftu = sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
848 leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
850 lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
851 leftu = sub_left_prediction(s, s->temp[1], udst, width2, leftu);
852 leftv = sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
855 encode_422_bitstream(s, 0, width);
858 } else if(avctx->pix_fmt == AV_PIX_FMT_RGB32) {
859 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
860 const int stride = -p->linesize[0];
861 const int fake_stride = -fake_ystride;
863 int leftr, leftg, leftb, lefta;
865 put_bits(&s->pb, 8, lefta = data[A]);
866 put_bits(&s->pb, 8, leftr = data[R]);
867 put_bits(&s->pb, 8, leftg = data[G]);
868 put_bits(&s->pb, 8, leftb = data[B]);
870 sub_left_prediction_bgr32(s, s->temp[0], data + 4, width - 1,
871 &leftr, &leftg, &leftb, &lefta);
872 encode_bgra_bitstream(s, width - 1, 4);
874 for (y = 1; y < s->height; y++) {
875 uint8_t *dst = data + y*stride;
876 if (s->predictor == PLANE && s->interlaced < y) {
877 s->llvidencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width * 4);
878 sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width,
879 &leftr, &leftg, &leftb, &lefta);
881 sub_left_prediction_bgr32(s, s->temp[0], dst, width,
882 &leftr, &leftg, &leftb, &lefta);
884 encode_bgra_bitstream(s, width, 4);
886 } else if (avctx->pix_fmt == AV_PIX_FMT_RGB24) {
887 uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
888 const int stride = -p->linesize[0];
889 const int fake_stride = -fake_ystride;
891 int leftr, leftg, leftb;
893 put_bits(&s->pb, 8, leftr = data[0]);
894 put_bits(&s->pb, 8, leftg = data[1]);
895 put_bits(&s->pb, 8, leftb = data[2]);
896 put_bits(&s->pb, 8, 0);
898 sub_left_prediction_rgb24(s, s->temp[0], data + 3, width - 1,
899 &leftr, &leftg, &leftb);
900 encode_bgra_bitstream(s, width-1, 3);
902 for (y = 1; y < s->height; y++) {
903 uint8_t *dst = data + y * stride;
904 if (s->predictor == PLANE && s->interlaced < y) {
905 s->llvidencdsp.diff_bytes(s->temp[1], dst, dst - fake_stride,
907 sub_left_prediction_rgb24(s, s->temp[0], s->temp[1], width,
908 &leftr, &leftg, &leftb);
910 sub_left_prediction_rgb24(s, s->temp[0], dst, width,
911 &leftr, &leftg, &leftb);
913 encode_bgra_bitstream(s, width, 3);
915 } else if (s->version > 2) {
917 for (plane = 0; plane < 1 + 2*s->chroma + s->alpha; plane++) {
921 int fake_stride = fake_ystride;
923 if (s->chroma && (plane == 1 || plane == 2)) {
924 w >>= s->chroma_h_shift;
925 h >>= s->chroma_v_shift;
926 fake_stride = plane == 1 ? fake_ustride : fake_vstride;
929 left = sub_left_prediction(s, s->temp[0], p->data[plane], w , 0);
931 encode_plane_bitstream(s, w, plane);
933 if (s->predictor==MEDIAN) {
937 left = sub_left_prediction(s, s->temp[0], p->data[plane] + p->linesize[plane], w , left);
939 encode_plane_bitstream(s, w, plane);
943 lefttop = p->data[plane][0];
946 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
948 sub_median_prediction(s, s->temp[0], dst - fake_stride, dst, w , &left, &lefttop);
950 encode_plane_bitstream(s, w, plane);
953 for (y = 1; y < h; y++) {
954 uint8_t *dst = p->data[plane] + p->linesize[plane] * y;
956 if (s->predictor == PLANE && s->interlaced < y) {
957 diff_bytes(s, s->temp[1], dst, dst - fake_stride, w);
959 left = sub_left_prediction(s, s->temp[0], s->temp[1], w , left);
961 left = sub_left_prediction(s, s->temp[0], dst, w , left);
964 encode_plane_bitstream(s, w, plane);
969 av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
973 size += (put_bits_count(&s->pb) + 31) / 8;
974 put_bits(&s->pb, 16, 0);
975 put_bits(&s->pb, 15, 0);
978 if ((s->flags & AV_CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
980 char *p = avctx->stats_out;
981 char *end = p + STATS_OUT_SIZE;
982 for (i = 0; i < 4; i++) {
983 for (j = 0; j < s->vlc_n; j++) {
984 snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
988 snprintf(p, end-p, "\n");
991 return AVERROR(ENOMEM);
993 } else if (avctx->stats_out)
994 avctx->stats_out[0] = '\0';
995 if (!(s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)) {
996 flush_put_bits(&s->pb);
997 s->bdsp.bswap_buf((uint32_t *) pkt->data, (uint32_t *) pkt->data, size);
1000 s->picture_number++;
1002 pkt->size = size * 4;
1003 pkt->flags |= AV_PKT_FLAG_KEY;
1009 static av_cold int encode_end(AVCodecContext *avctx)
1011 HYuvContext *s = avctx->priv_data;
1013 ff_huffyuv_common_end(s);
1015 av_freep(&avctx->extradata);
1016 av_freep(&avctx->stats_out);
1021 #define OFFSET(x) offsetof(HYuvContext, x)
1022 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1024 #define COMMON_OPTIONS \
1025 { "non_deterministic", "Allow multithreading for e.g. context=1 at the expense of determinism", \
1026 OFFSET(non_determ), AV_OPT_TYPE_BOOL, { .i64 = 1 }, \
1028 { "pred", "Prediction method", OFFSET(predictor), AV_OPT_TYPE_INT, { .i64 = LEFT }, LEFT, MEDIAN, VE, "pred" }, \
1029 { "left", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LEFT }, INT_MIN, INT_MAX, VE, "pred" }, \
1030 { "plane", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PLANE }, INT_MIN, INT_MAX, VE, "pred" }, \
1031 { "median", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MEDIAN }, INT_MIN, INT_MAX, VE, "pred" }, \
1033 static const AVOption normal_options[] = {
1038 static const AVOption ff_options[] = {
1040 { "context", "Set per-frame huffman tables", OFFSET(context), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
1044 static const AVClass normal_class = {
1045 .class_name = "huffyuv",
1046 .item_name = av_default_item_name,
1047 .option = normal_options,
1048 .version = LIBAVUTIL_VERSION_INT,
1051 static const AVClass ff_class = {
1052 .class_name = "ffvhuff",
1053 .item_name = av_default_item_name,
1054 .option = ff_options,
1055 .version = LIBAVUTIL_VERSION_INT,
1058 AVCodec ff_huffyuv_encoder = {
1060 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
1061 .type = AVMEDIA_TYPE_VIDEO,
1062 .id = AV_CODEC_ID_HUFFYUV,
1063 .priv_data_size = sizeof(HYuvContext),
1064 .init = encode_init,
1065 .encode2 = encode_frame,
1066 .close = encode_end,
1067 .capabilities = AV_CODEC_CAP_FRAME_THREADS,
1068 .priv_class = &normal_class,
1069 .pix_fmts = (const enum AVPixelFormat[]){
1070 AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB24,
1071 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1073 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1074 FF_CODEC_CAP_INIT_CLEANUP,
1077 #if CONFIG_FFVHUFF_ENCODER
1078 AVCodec ff_ffvhuff_encoder = {
1080 .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
1081 .type = AVMEDIA_TYPE_VIDEO,
1082 .id = AV_CODEC_ID_FFVHUFF,
1083 .priv_data_size = sizeof(HYuvContext),
1084 .init = encode_init,
1085 .encode2 = encode_frame,
1086 .close = encode_end,
1087 .capabilities = AV_CODEC_CAP_FRAME_THREADS,
1088 .priv_class = &ff_class,
1089 .pix_fmts = (const enum AVPixelFormat[]){
1090 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV411P,
1091 AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
1093 AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
1094 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16,
1095 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
1097 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16,
1098 AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16,
1099 AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16,
1100 AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
1101 AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16,
1102 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16,
1104 AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
1106 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
1107 FF_CODEC_CAP_INIT_CLEANUP,