Merge remote-tracking branch 'qatar/master'
[ffmpeg.git] / libavcodec / svq1enc.c
1 /*
2  * SVQ1 Encoder
3  * Copyright (C) 2004 Mike Melanson <melanson@pcisys.net>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21
22 /**
23  * @file
24  * Sorenson Vector Quantizer #1 (SVQ1) video codec.
25  * For more information of the SVQ1 algorithm, visit:
26  *   http://www.pcisys.net/~melanson/codecs/
27  */
28
29
30 #include "avcodec.h"
31 #include "dsputil.h"
32 #include "mpegvideo.h"
33 #include "h263.h"
34 #include "internal.h"
35 #include "libavutil/avassert.h"
36
37 #include "svq1.h"
38 #include "svq1enc_cb.h"
39
40
41
42 typedef struct SVQ1Context {
43     MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independent of MpegEncContext, so this will be removed then (FIXME/XXX)
44     AVCodecContext *avctx;
45     DSPContext dsp;
46     AVFrame picture;
47     AVFrame current_picture;
48     AVFrame last_picture;
49     PutBitContext pb;
50     GetBitContext gb;
51
52     PutBitContext reorder_pb[6]; //why ooh why this sick breadth first order, everything is slower and more complex
53
54     int frame_width;
55     int frame_height;
56
57     /* Y plane block dimensions */
58     int y_block_width;
59     int y_block_height;
60
61     /* U & V plane (C planes) block dimensions */
62     int c_block_width;
63     int c_block_height;
64
65     uint16_t *mb_type;
66     uint32_t *dummy;
67     int16_t (*motion_val8[3])[2];
68     int16_t (*motion_val16[3])[2];
69
70     int64_t rd_total;
71
72     uint8_t *scratchbuf;
73 } SVQ1Context;
74
75 static void svq1_write_header(SVQ1Context *s, int frame_type)
76 {
77     int i;
78
79     /* frame code */
80     put_bits(&s->pb, 22, 0x20);
81
82     /* temporal reference (sure hope this is a "don't care") */
83     put_bits(&s->pb, 8, 0x00);
84
85     /* frame type */
86     put_bits(&s->pb, 2, frame_type - 1);
87
88     if (frame_type == AV_PICTURE_TYPE_I) {
89
90         /* no checksum since frame code is 0x20 */
91
92         /* no embedded string either */
93
94         /* output 5 unknown bits (2 + 2 + 1) */
95         put_bits(&s->pb, 5, 2); /* 2 needed by quicktime decoder */
96
97         i= ff_match_2uint16((void*)ff_svq1_frame_size_table, FF_ARRAY_ELEMS(ff_svq1_frame_size_table), s->frame_width, s->frame_height);
98         put_bits(&s->pb, 3, i);
99
100         if (i == 7)
101         {
102                 put_bits(&s->pb, 12, s->frame_width);
103                 put_bits(&s->pb, 12, s->frame_height);
104         }
105     }
106
107     /* no checksum or extra data (next 2 bits get 0) */
108     put_bits(&s->pb, 2, 0);
109 }
110
111
112 #define QUALITY_THRESHOLD 100
113 #define THRESHOLD_MULTIPLIER 0.6
114
115 static int encode_block(SVQ1Context *s, uint8_t *src, uint8_t *ref, uint8_t *decoded, int stride, int level, int threshold, int lambda, int intra){
116     int count, y, x, i, j, split, best_mean, best_score, best_count;
117     int best_vector[6];
118     int block_sum[7]= {0, 0, 0, 0, 0, 0};
119     int w= 2<<((level+2)>>1);
120     int h= 2<<((level+1)>>1);
121     int size=w*h;
122     int16_t block[7][256];
123     const int8_t *codebook_sum, *codebook;
124     const uint16_t (*mean_vlc)[2];
125     const uint8_t (*multistage_vlc)[2];
126
127     best_score=0;
128     //FIXME optimize, this doenst need to be done multiple times
129     if(intra){
130         codebook_sum= svq1_intra_codebook_sum[level];
131         codebook= ff_svq1_intra_codebooks[level];
132         mean_vlc= ff_svq1_intra_mean_vlc;
133         multistage_vlc= ff_svq1_intra_multistage_vlc[level];
134         for(y=0; y<h; y++){
135             for(x=0; x<w; x++){
136                 int v= src[x + y*stride];
137                 block[0][x + w*y]= v;
138                 best_score += v*v;
139                 block_sum[0] += v;
140             }
141         }
142     }else{
143         codebook_sum= svq1_inter_codebook_sum[level];
144         codebook= ff_svq1_inter_codebooks[level];
145         mean_vlc= ff_svq1_inter_mean_vlc + 256;
146         multistage_vlc= ff_svq1_inter_multistage_vlc[level];
147         for(y=0; y<h; y++){
148             for(x=0; x<w; x++){
149                 int v= src[x + y*stride] - ref[x + y*stride];
150                 block[0][x + w*y]= v;
151                 best_score += v*v;
152                 block_sum[0] += v;
153             }
154         }
155     }
156
157     best_count=0;
158     best_score -= (int)(((unsigned)block_sum[0]*block_sum[0])>>(level+3));
159     best_mean= (block_sum[0] + (size>>1)) >> (level+3);
160
161     if(level<4){
162         for(count=1; count<7; count++){
163             int best_vector_score= INT_MAX;
164             int best_vector_sum=-999, best_vector_mean=-999;
165             const int stage= count-1;
166             const int8_t *vector;
167
168             for(i=0; i<16; i++){
169                 int sum= codebook_sum[stage*16 + i];
170                 int sqr, diff, score;
171
172                 vector = codebook + stage*size*16 + i*size;
173                 sqr = s->dsp.ssd_int8_vs_int16(vector, block[stage], size);
174                 diff= block_sum[stage] - sum;
175                 score= sqr - ((diff*(int64_t)diff)>>(level+3)); //FIXME 64bit slooow
176                 if(score < best_vector_score){
177                     int mean= (diff + (size>>1)) >> (level+3);
178                     av_assert2(mean >-300 && mean<300);
179                     mean= av_clip(mean, intra?0:-256, 255);
180                     best_vector_score= score;
181                     best_vector[stage]= i;
182                     best_vector_sum= sum;
183                     best_vector_mean= mean;
184                 }
185             }
186             av_assert0(best_vector_mean != -999);
187             vector= codebook + stage*size*16 + best_vector[stage]*size;
188             for(j=0; j<size; j++){
189                 block[stage+1][j] = block[stage][j] - vector[j];
190             }
191             block_sum[stage+1]= block_sum[stage] - best_vector_sum;
192             best_vector_score +=
193                 lambda*(+ 1 + 4*count
194                         + multistage_vlc[1+count][1]
195                         + mean_vlc[best_vector_mean][1]);
196
197             if(best_vector_score < best_score){
198                 best_score= best_vector_score;
199                 best_count= count;
200                 best_mean= best_vector_mean;
201             }
202         }
203     }
204
205     split=0;
206     if(best_score > threshold && level){
207         int score=0;
208         int offset= (level&1) ? stride*h/2 : w/2;
209         PutBitContext backup[6];
210
211         for(i=level-1; i>=0; i--){
212             backup[i]= s->reorder_pb[i];
213         }
214         score += encode_block(s, src         , ref         , decoded         , stride, level-1, threshold>>1, lambda, intra);
215         score += encode_block(s, src + offset, ref + offset, decoded + offset, stride, level-1, threshold>>1, lambda, intra);
216         score += lambda;
217
218         if(score < best_score){
219             best_score= score;
220             split=1;
221         }else{
222             for(i=level-1; i>=0; i--){
223                 s->reorder_pb[i]= backup[i];
224             }
225         }
226     }
227     if (level > 0)
228         put_bits(&s->reorder_pb[level], 1, split);
229
230     if(!split){
231         av_assert1((best_mean >= 0 && best_mean<256) || !intra);
232         av_assert1(best_mean >= -256 && best_mean<256);
233         av_assert1(best_count >=0 && best_count<7);
234         av_assert1(level<4 || best_count==0);
235
236         /* output the encoding */
237         put_bits(&s->reorder_pb[level],
238             multistage_vlc[1 + best_count][1],
239             multistage_vlc[1 + best_count][0]);
240         put_bits(&s->reorder_pb[level], mean_vlc[best_mean][1],
241             mean_vlc[best_mean][0]);
242
243         for (i = 0; i < best_count; i++){
244             av_assert2(best_vector[i]>=0 && best_vector[i]<16);
245             put_bits(&s->reorder_pb[level], 4, best_vector[i]);
246         }
247
248         for(y=0; y<h; y++){
249             for(x=0; x<w; x++){
250                 decoded[x + y*stride]= src[x + y*stride] - block[best_count][x + w*y] + best_mean;
251             }
252         }
253     }
254
255     return best_score;
256 }
257
258
259 static int svq1_encode_plane(SVQ1Context *s, int plane, unsigned char *src_plane, unsigned char *ref_plane, unsigned char *decoded_plane,
260     int width, int height, int src_stride, int stride)
261 {
262     int x, y;
263     int i;
264     int block_width, block_height;
265     int level;
266     int threshold[6];
267     uint8_t *src = s->scratchbuf + stride * 16;
268     const int lambda= (s->picture.quality*s->picture.quality) >> (2*FF_LAMBDA_SHIFT);
269
270     /* figure out the acceptable level thresholds in advance */
271     threshold[5] = QUALITY_THRESHOLD;
272     for (level = 4; level >= 0; level--)
273         threshold[level] = threshold[level + 1] * THRESHOLD_MULTIPLIER;
274
275     block_width = (width + 15) / 16;
276     block_height = (height + 15) / 16;
277
278     if(s->picture.pict_type == AV_PICTURE_TYPE_P){
279         s->m.avctx= s->avctx;
280         s->m.current_picture_ptr= &s->m.current_picture;
281         s->m.last_picture_ptr   = &s->m.last_picture;
282         s->m.last_picture.f.data[0] = ref_plane;
283         s->m.linesize=
284         s->m.last_picture.f.linesize[0] =
285         s->m.new_picture.f.linesize[0] =
286         s->m.current_picture.f.linesize[0] = stride;
287         s->m.width= width;
288         s->m.height= height;
289         s->m.mb_width= block_width;
290         s->m.mb_height= block_height;
291         s->m.mb_stride= s->m.mb_width+1;
292         s->m.b8_stride= 2*s->m.mb_width+1;
293         s->m.f_code=1;
294         s->m.pict_type= s->picture.pict_type;
295         s->m.me_method= s->avctx->me_method;
296         s->m.me.scene_change_score=0;
297         s->m.flags= s->avctx->flags;
298 //        s->m.out_format = FMT_H263;
299 //        s->m.unrestricted_mv= 1;
300
301         s->m.lambda= s->picture.quality;
302         s->m.qscale= (s->m.lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
303         s->m.lambda2= (s->m.lambda*s->m.lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
304
305         if(!s->motion_val8[plane]){
306             s->motion_val8 [plane]= av_mallocz((s->m.b8_stride*block_height*2 + 2)*2*sizeof(int16_t));
307             s->motion_val16[plane]= av_mallocz((s->m.mb_stride*(block_height + 2) + 1)*2*sizeof(int16_t));
308         }
309
310         s->m.mb_type= s->mb_type;
311
312         //dummies, to avoid segfaults
313         s->m.current_picture.mb_mean=   (uint8_t *)s->dummy;
314         s->m.current_picture.mb_var=    (uint16_t*)s->dummy;
315         s->m.current_picture.mc_mb_var= (uint16_t*)s->dummy;
316         s->m.current_picture.f.mb_type = s->dummy;
317
318         s->m.current_picture.f.motion_val[0] = s->motion_val8[plane] + 2;
319         s->m.p_mv_table= s->motion_val16[plane] + s->m.mb_stride + 1;
320         s->m.dsp= s->dsp; //move
321         ff_init_me(&s->m);
322
323         s->m.me.dia_size= s->avctx->dia_size;
324         s->m.first_slice_line=1;
325         for (y = 0; y < block_height; y++) {
326             s->m.new_picture.f.data[0] = src - y*16*stride; //ugly
327             s->m.mb_y= y;
328
329             for(i=0; i<16 && i + 16*y<height; i++){
330                 memcpy(&src[i*stride], &src_plane[(i+16*y)*src_stride], width);
331                 for(x=width; x<16*block_width; x++)
332                     src[i*stride+x]= src[i*stride+x-1];
333             }
334             for(; i<16 && i + 16*y<16*block_height; i++)
335                 memcpy(&src[i*stride], &src[(i-1)*stride], 16*block_width);
336
337             for (x = 0; x < block_width; x++) {
338                 s->m.mb_x= x;
339                 ff_init_block_index(&s->m);
340                 ff_update_block_index(&s->m);
341
342                 ff_estimate_p_frame_motion(&s->m, x, y);
343             }
344             s->m.first_slice_line=0;
345         }
346
347         ff_fix_long_p_mvs(&s->m);
348         ff_fix_long_mvs(&s->m, NULL, 0, s->m.p_mv_table, s->m.f_code, CANDIDATE_MB_TYPE_INTER, 0);
349     }
350
351     s->m.first_slice_line=1;
352     for (y = 0; y < block_height; y++) {
353         for(i=0; i<16 && i + 16*y<height; i++){
354             memcpy(&src[i*stride], &src_plane[(i+16*y)*src_stride], width);
355             for(x=width; x<16*block_width; x++)
356                 src[i*stride+x]= src[i*stride+x-1];
357         }
358         for(; i<16 && i + 16*y<16*block_height; i++)
359             memcpy(&src[i*stride], &src[(i-1)*stride], 16*block_width);
360
361         s->m.mb_y= y;
362         for (x = 0; x < block_width; x++) {
363             uint8_t reorder_buffer[3][6][7*32];
364             int count[3][6];
365             int offset = y * 16 * stride + x * 16;
366             uint8_t *decoded= decoded_plane + offset;
367             uint8_t *ref= ref_plane + offset;
368             int score[4]={0,0,0,0}, best;
369             uint8_t *temp = s->scratchbuf;
370
371             if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < 3000){ //FIXME check size
372                 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
373                 return -1;
374             }
375
376             s->m.mb_x= x;
377             ff_init_block_index(&s->m);
378             ff_update_block_index(&s->m);
379
380             if(s->picture.pict_type == AV_PICTURE_TYPE_I || (s->m.mb_type[x + y*s->m.mb_stride]&CANDIDATE_MB_TYPE_INTRA)){
381                 for(i=0; i<6; i++){
382                     init_put_bits(&s->reorder_pb[i], reorder_buffer[0][i], 7*32);
383                 }
384                 if(s->picture.pict_type == AV_PICTURE_TYPE_P){
385                     const uint8_t *vlc= ff_svq1_block_type_vlc[SVQ1_BLOCK_INTRA];
386                     put_bits(&s->reorder_pb[5], vlc[1], vlc[0]);
387                     score[0]= vlc[1]*lambda;
388                 }
389                 score[0]+= encode_block(s, src+16*x, NULL, temp, stride, 5, 64, lambda, 1);
390                 for(i=0; i<6; i++){
391                     count[0][i]= put_bits_count(&s->reorder_pb[i]);
392                     flush_put_bits(&s->reorder_pb[i]);
393                 }
394             }else
395                 score[0]= INT_MAX;
396
397             best=0;
398
399             if(s->picture.pict_type == AV_PICTURE_TYPE_P){
400                 const uint8_t *vlc= ff_svq1_block_type_vlc[SVQ1_BLOCK_INTER];
401                 int mx, my, pred_x, pred_y, dxy;
402                 int16_t *motion_ptr;
403
404                 motion_ptr= ff_h263_pred_motion(&s->m, 0, 0, &pred_x, &pred_y);
405                 if(s->m.mb_type[x + y*s->m.mb_stride]&CANDIDATE_MB_TYPE_INTER){
406                     for(i=0; i<6; i++)
407                         init_put_bits(&s->reorder_pb[i], reorder_buffer[1][i], 7*32);
408
409                     put_bits(&s->reorder_pb[5], vlc[1], vlc[0]);
410
411                     s->m.pb= s->reorder_pb[5];
412                     mx= motion_ptr[0];
413                     my= motion_ptr[1];
414                     av_assert1(mx>=-32 && mx<=31);
415                     av_assert1(my>=-32 && my<=31);
416                     av_assert1(pred_x>=-32 && pred_x<=31);
417                     av_assert1(pred_y>=-32 && pred_y<=31);
418                     ff_h263_encode_motion(&s->m, mx - pred_x, 1);
419                     ff_h263_encode_motion(&s->m, my - pred_y, 1);
420                     s->reorder_pb[5]= s->m.pb;
421                     score[1] += lambda*put_bits_count(&s->reorder_pb[5]);
422
423                     dxy= (mx&1) + 2*(my&1);
424
425                     s->dsp.put_pixels_tab[0][dxy](temp+16, ref + (mx>>1) + stride*(my>>1), stride, 16);
426
427                     score[1]+= encode_block(s, src+16*x, temp+16, decoded, stride, 5, 64, lambda, 0);
428                     best= score[1] <= score[0];
429
430                     vlc= ff_svq1_block_type_vlc[SVQ1_BLOCK_SKIP];
431                     score[2]= s->dsp.sse[0](NULL, src+16*x, ref, stride, 16);
432                     score[2]+= vlc[1]*lambda;
433                     if(score[2] < score[best] && mx==0 && my==0){
434                         best=2;
435                         s->dsp.put_pixels_tab[0][0](decoded, ref, stride, 16);
436                         for(i=0; i<6; i++){
437                             count[2][i]=0;
438                         }
439                         put_bits(&s->pb, vlc[1], vlc[0]);
440                     }
441                 }
442
443                 if(best==1){
444                     for(i=0; i<6; i++){
445                         count[1][i]= put_bits_count(&s->reorder_pb[i]);
446                         flush_put_bits(&s->reorder_pb[i]);
447                     }
448                 }else{
449                     motion_ptr[0                 ] = motion_ptr[1                 ]=
450                     motion_ptr[2                 ] = motion_ptr[3                 ]=
451                     motion_ptr[0+2*s->m.b8_stride] = motion_ptr[1+2*s->m.b8_stride]=
452                     motion_ptr[2+2*s->m.b8_stride] = motion_ptr[3+2*s->m.b8_stride]=0;
453                 }
454             }
455
456             s->rd_total += score[best];
457
458             for(i=5; i>=0; i--){
459                 avpriv_copy_bits(&s->pb, reorder_buffer[best][i], count[best][i]);
460             }
461             if(best==0){
462                 s->dsp.put_pixels_tab[0][0](decoded, temp, stride, 16);
463             }
464         }
465         s->m.first_slice_line=0;
466     }
467     return 0;
468 }
469
470 static av_cold int svq1_encode_init(AVCodecContext *avctx)
471 {
472     SVQ1Context * const s = avctx->priv_data;
473
474     ff_dsputil_init(&s->dsp, avctx);
475     avctx->coded_frame = &s->picture;
476
477     s->frame_width = avctx->width;
478     s->frame_height = avctx->height;
479
480     s->y_block_width = (s->frame_width + 15) / 16;
481     s->y_block_height = (s->frame_height + 15) / 16;
482
483     s->c_block_width = (s->frame_width / 4 + 15) / 16;
484     s->c_block_height = (s->frame_height / 4 + 15) / 16;
485
486     s->avctx= avctx;
487     s->m.avctx= avctx;
488     s->m.me.temp      =
489     s->m.me.scratchpad= av_mallocz((avctx->width+64)*2*16*2*sizeof(uint8_t));
490     s->m.me.map       = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
491     s->m.me.score_map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
492     s->mb_type        = av_mallocz((s->y_block_width+1)*s->y_block_height*sizeof(int16_t));
493     s->dummy          = av_mallocz((s->y_block_width+1)*s->y_block_height*sizeof(int32_t));
494     ff_h263_encode_init(&s->m); //mv_penalty
495
496     return 0;
497 }
498
499 static int svq1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
500                              const AVFrame *pict, int *got_packet)
501 {
502     SVQ1Context * const s = avctx->priv_data;
503     AVFrame * const p = &s->picture;
504     AVFrame temp;
505     int i, ret;
506
507     if ((ret = ff_alloc_packet2(avctx, pkt, s->y_block_width*s->y_block_height*MAX_MB_BYTES*3 + FF_MIN_BUFFER_SIZE) < 0))
508         return ret;
509
510     if(avctx->pix_fmt != PIX_FMT_YUV410P){
511         av_log(avctx, AV_LOG_ERROR, "unsupported pixel format\n");
512         return -1;
513     }
514
515     if(!s->current_picture.data[0]){
516         avctx->get_buffer(avctx, &s->current_picture);
517         avctx->get_buffer(avctx, &s->last_picture);
518         s->scratchbuf = av_malloc(s->current_picture.linesize[0] * 16 * 2);
519     }
520
521     temp= s->current_picture;
522     s->current_picture= s->last_picture;
523     s->last_picture= temp;
524
525     init_put_bits(&s->pb, pkt->data, pkt->size);
526
527     *p = *pict;
528     p->pict_type = avctx->gop_size && avctx->frame_number % avctx->gop_size ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
529     p->key_frame = p->pict_type == AV_PICTURE_TYPE_I;
530
531     svq1_write_header(s, p->pict_type);
532     for(i=0; i<3; i++){
533         if(svq1_encode_plane(s, i,
534             s->picture.data[i], s->last_picture.data[i], s->current_picture.data[i],
535             s->frame_width / (i?4:1), s->frame_height / (i?4:1),
536             s->picture.linesize[i], s->current_picture.linesize[i]) < 0)
537                 return -1;
538     }
539
540 //    avpriv_align_put_bits(&s->pb);
541     while(put_bits_count(&s->pb) & 31)
542         put_bits(&s->pb, 1, 0);
543
544     flush_put_bits(&s->pb);
545
546     pkt->size = put_bits_count(&s->pb) / 8;
547     if (p->pict_type == AV_PICTURE_TYPE_I)
548         pkt->flags |= AV_PKT_FLAG_KEY;
549     *got_packet = 1;
550
551     return 0;
552 }
553
554 static av_cold int svq1_encode_end(AVCodecContext *avctx)
555 {
556     SVQ1Context * const s = avctx->priv_data;
557     int i;
558
559     av_log(avctx, AV_LOG_DEBUG, "RD: %f\n", s->rd_total/(double)(avctx->width*avctx->height*avctx->frame_number));
560
561     av_freep(&s->m.me.scratchpad);
562     av_freep(&s->m.me.map);
563     av_freep(&s->m.me.score_map);
564     av_freep(&s->mb_type);
565     av_freep(&s->dummy);
566     av_freep(&s->scratchbuf);
567
568     for(i=0; i<3; i++){
569         av_freep(&s->motion_val8[i]);
570         av_freep(&s->motion_val16[i]);
571     }
572     if(s->current_picture.data[0])
573         avctx->release_buffer(avctx, &s->current_picture);
574     if(s->last_picture.data[0])
575         avctx->release_buffer(avctx, &s->last_picture);
576
577     return 0;
578 }
579
580
581 AVCodec ff_svq1_encoder = {
582     .name           = "svq1",
583     .type           = AVMEDIA_TYPE_VIDEO,
584     .id             = CODEC_ID_SVQ1,
585     .priv_data_size = sizeof(SVQ1Context),
586     .init           = svq1_encode_init,
587     .encode2        = svq1_encode_frame,
588     .close          = svq1_encode_end,
589     .pix_fmts       = (const enum PixelFormat[]){ PIX_FMT_YUV410P, PIX_FMT_NONE },
590     .long_name      = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1"),
591 };