2 * The simplest mpeg encoder (well, it was the simplest!)
3 * Copyright (c) 2000,2001 Fabrice Bellard.
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * 4MV & hq & b-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
25 * The simplest mpeg encoder (well, it was the simplest!).
30 #include "mpegvideo.h"
35 #include "fastmemcpy.h"
41 #ifdef CONFIG_ENCODERS
42 static void encode_picture(MpegEncContext *s, int picture_number);
43 #endif //CONFIG_ENCODERS
44 static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s,
45 DCTELEM *block, int n, int qscale);
46 static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s,
47 DCTELEM *block, int n, int qscale);
48 static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s,
49 DCTELEM *block, int n, int qscale);
50 static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s,
51 DCTELEM *block, int n, int qscale);
52 static void dct_unquantize_h263_intra_c(MpegEncContext *s,
53 DCTELEM *block, int n, int qscale);
54 static void dct_unquantize_h263_inter_c(MpegEncContext *s,
55 DCTELEM *block, int n, int qscale);
56 static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w);
57 #ifdef CONFIG_ENCODERS
58 static int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
59 static int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
60 static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
61 static int sse_mb(MpegEncContext *s);
62 static void denoise_dct_c(MpegEncContext *s, DCTELEM *block);
63 #endif //CONFIG_ENCODERS
66 extern int XVMC_field_start(MpegEncContext*s, AVCodecContext *avctx);
67 extern void XVMC_field_end(MpegEncContext *s);
68 extern void XVMC_decode_mb(MpegEncContext *s);
71 void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w)= draw_edges_c;
74 /* enable all paranoid tests for rounding, overflows, etc... */
80 /* for jpeg fast DCT */
83 static const uint16_t aanscales[64] = {
84 /* precomputed values scaled up by 14 bits */
85 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
86 22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270,
87 21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906,
88 19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315,
89 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
90 12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552,
91 8867 , 12299, 11585, 10426, 8867, 6967, 4799, 2446,
92 4520 , 6270, 5906, 5315, 4520, 3552, 2446, 1247
95 static const uint8_t h263_chroma_roundtab[16] = {
96 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
97 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
100 static const uint8_t ff_default_chroma_qscale_table[32]={
101 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
102 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31
105 #ifdef CONFIG_ENCODERS
106 static uint8_t (*default_mv_penalty)[MAX_MV*2+1]=NULL;
107 static uint8_t default_fcode_tab[MAX_MV*2+1];
109 enum PixelFormat ff_yuv420p_list[2]= {PIX_FMT_YUV420P, -1};
111 static void convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
112 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
117 for(qscale=qmin; qscale<=qmax; qscale++){
119 if (dsp->fdct == ff_jpeg_fdct_islow
120 #ifdef FAAN_POSTSCALE
121 || dsp->fdct == ff_faandct
125 const int j= dsp->idct_permutation[i];
126 /* 16 <= qscale * quant_matrix[i] <= 7905 */
127 /* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
128 /* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
129 /* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
131 qmat[qscale][i] = (int)((uint64_t_C(1) << QMAT_SHIFT) /
132 (qscale * quant_matrix[j]));
134 } else if (dsp->fdct == fdct_ifast
135 #ifndef FAAN_POSTSCALE
136 || dsp->fdct == ff_faandct
140 const int j= dsp->idct_permutation[i];
141 /* 16 <= qscale * quant_matrix[i] <= 7905 */
142 /* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
143 /* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
144 /* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
146 qmat[qscale][i] = (int)((uint64_t_C(1) << (QMAT_SHIFT + 14)) /
147 (aanscales[i] * qscale * quant_matrix[j]));
151 const int j= dsp->idct_permutation[i];
152 /* We can safely suppose that 16 <= quant_matrix[i] <= 255
153 So 16 <= qscale * quant_matrix[i] <= 7905
154 so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
155 so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
157 qmat[qscale][i] = (int)((uint64_t_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
158 // qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
159 qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
161 if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
162 qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
166 for(i=intra; i<64; i++){
168 if (dsp->fdct == fdct_ifast
169 #ifndef FAAN_POSTSCALE
170 || dsp->fdct == ff_faandct
173 max= (8191LL*aanscales[i]) >> 14;
175 while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
181 av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger then %d, overflows possible\n", QMAT_SHIFT - shift);
185 static inline void update_qscale(MpegEncContext *s){
186 s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
187 s->qscale= clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
189 s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
191 #endif //CONFIG_ENCODERS
193 void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_scantable){
197 st->scantable= src_scantable;
201 j = src_scantable[i];
202 st->permutated[i] = permutation[j];
211 j = st->permutated[i];
213 st->raster_end[i]= end;
217 #ifdef CONFIG_ENCODERS
218 void ff_write_quant_matrix(PutBitContext *pb, int16_t *matrix){
224 put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
229 #endif //CONFIG_ENCODERS
231 /* init common dct for both encoder and decoder */
232 int DCT_common_init(MpegEncContext *s)
234 s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c;
235 s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c;
236 s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c;
237 s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c;
238 s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c;
239 s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c;
241 #ifdef CONFIG_ENCODERS
242 s->dct_quantize= dct_quantize_c;
243 s->denoise_dct= denoise_dct_c;
247 MPV_common_init_mmx(s);
250 MPV_common_init_axp(s);
253 MPV_common_init_mlib(s);
256 MPV_common_init_mmi(s);
259 MPV_common_init_armv4l(s);
262 MPV_common_init_ppc(s);
265 #ifdef CONFIG_ENCODERS
266 s->fast_dct_quantize= s->dct_quantize;
268 if(s->flags&CODEC_FLAG_TRELLIS_QUANT){
269 s->dct_quantize= dct_quantize_trellis_c; //move before MPV_common_init_*
272 #endif //CONFIG_ENCODERS
274 /* load & permutate scantables
275 note: only wmv uses differnt ones
277 if(s->alternate_scan){
278 ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_alternate_vertical_scan);
279 ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_alternate_vertical_scan);
281 ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_zigzag_direct);
282 ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_zigzag_direct);
284 ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan);
285 ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan);
290 static void copy_picture(Picture *dst, Picture *src){
292 dst->type= FF_BUFFER_TYPE_COPY;
295 static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
298 dst->pict_type = src->pict_type;
299 dst->quality = src->quality;
300 dst->coded_picture_number = src->coded_picture_number;
301 dst->display_picture_number = src->display_picture_number;
302 // dst->reference = src->reference;
304 dst->interlaced_frame = src->interlaced_frame;
305 dst->top_field_first = src->top_field_first;
307 if(s->avctx->me_threshold){
308 if(!src->motion_val[0])
309 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
311 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
312 if(!src->ref_index[0])
313 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
314 if(src->motion_subsample_log2 != dst->motion_subsample_log2)
315 av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesnt match! (%d!=%d)\n",
316 src->motion_subsample_log2, dst->motion_subsample_log2);
318 memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
321 int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
322 int height= ((16*s->mb_height)>>src->motion_subsample_log2);
324 if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
325 memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
327 if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
328 memcpy(dst->ref_index[i], src->ref_index[i], s->b8_stride*2*s->mb_height*sizeof(int8_t));
335 * allocates a Picture
336 * The pixels are allocated/set by calling get_buffer() if shared=0
338 static int alloc_picture(MpegEncContext *s, Picture *pic, int shared){
339 const int big_mb_num= s->mb_stride*(s->mb_height+1) + 1; //the +1 is needed so memset(,,stride*height) doesnt sig11
340 const int mb_array_size= s->mb_stride*s->mb_height;
341 const int b8_array_size= s->b8_stride*s->mb_height*2;
342 const int b4_array_size= s->b4_stride*s->mb_height*4;
346 assert(pic->data[0]);
347 assert(pic->type == 0 || pic->type == FF_BUFFER_TYPE_SHARED);
348 pic->type= FF_BUFFER_TYPE_SHARED;
352 assert(!pic->data[0]);
354 r= s->avctx->get_buffer(s->avctx, (AVFrame*)pic);
356 if(r<0 || !pic->age || !pic->type || !pic->data[0]){
357 av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %d %d %p)\n", r, pic->age, pic->type, pic->data[0]);
361 if(s->linesize && (s->linesize != pic->linesize[0] || s->uvlinesize != pic->linesize[1])){
362 av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (stride changed)\n");
366 if(pic->linesize[1] != pic->linesize[2]){
367 av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (uv stride missmatch)\n");
371 s->linesize = pic->linesize[0];
372 s->uvlinesize= pic->linesize[1];
375 if(pic->qscale_table==NULL){
377 CHECKED_ALLOCZ(pic->mb_var , mb_array_size * sizeof(int16_t))
378 CHECKED_ALLOCZ(pic->mc_mb_var, mb_array_size * sizeof(int16_t))
379 CHECKED_ALLOCZ(pic->mb_mean , mb_array_size * sizeof(int8_t))
382 CHECKED_ALLOCZ(pic->mbskip_table , mb_array_size * sizeof(uint8_t)+2) //the +2 is for the slice end check
383 CHECKED_ALLOCZ(pic->qscale_table , mb_array_size * sizeof(uint8_t))
384 CHECKED_ALLOCZ(pic->mb_type_base , big_mb_num * sizeof(uint32_t))
385 pic->mb_type= pic->mb_type_base + s->mb_stride+1;
386 if(s->out_format == FMT_H264){
388 CHECKED_ALLOCZ(pic->motion_val_base[i], 2 * (b4_array_size+2) * sizeof(int16_t))
389 pic->motion_val[i]= pic->motion_val_base[i]+2;
390 CHECKED_ALLOCZ(pic->ref_index[i], b8_array_size * sizeof(uint8_t))
392 pic->motion_subsample_log2= 2;
393 }else if(s->out_format == FMT_H263 || s->encoding || (s->avctx->debug&FF_DEBUG_MV) || (s->avctx->debug_mv)){
395 CHECKED_ALLOCZ(pic->motion_val_base[i], 2 * (b8_array_size+2) * sizeof(int16_t))
396 pic->motion_val[i]= pic->motion_val_base[i]+2;
397 CHECKED_ALLOCZ(pic->ref_index[i], b8_array_size * sizeof(uint8_t))
399 pic->motion_subsample_log2= 3;
401 if(s->avctx->debug&FF_DEBUG_DCT_COEFF) {
402 CHECKED_ALLOCZ(pic->dct_coeff, 64 * mb_array_size * sizeof(DCTELEM)*6)
404 pic->qstride= s->mb_stride;
405 CHECKED_ALLOCZ(pic->pan_scan , 1 * sizeof(AVPanScan))
408 //it might be nicer if the application would keep track of these but it would require a API change
409 memmove(s->prev_pict_types+1, s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE-1);
410 s->prev_pict_types[0]= s->pict_type;
411 if(pic->age < PREV_PICT_TYPES_BUFFER_SIZE && s->prev_pict_types[pic->age] == B_TYPE)
412 pic->age= INT_MAX; // skiped MBs in b frames are quite rare in mpeg1/2 and its a bit tricky to skip them anyway
415 fail: //for the CHECKED_ALLOCZ macro
420 * deallocates a picture
422 static void free_picture(MpegEncContext *s, Picture *pic){
425 if(pic->data[0] && pic->type!=FF_BUFFER_TYPE_SHARED){
426 s->avctx->release_buffer(s->avctx, (AVFrame*)pic);
429 av_freep(&pic->mb_var);
430 av_freep(&pic->mc_mb_var);
431 av_freep(&pic->mb_mean);
432 av_freep(&pic->mbskip_table);
433 av_freep(&pic->qscale_table);
434 av_freep(&pic->mb_type_base);
435 av_freep(&pic->dct_coeff);
436 av_freep(&pic->pan_scan);
439 av_freep(&pic->motion_val_base[i]);
440 av_freep(&pic->ref_index[i]);
443 if(pic->type == FF_BUFFER_TYPE_SHARED){
452 static int init_duplicate_context(MpegEncContext *s, MpegEncContext *base){
455 // edge emu needs blocksize + filter length - 1 (=17x17 for halfpel / 21x21 for h264)
456 CHECKED_ALLOCZ(s->allocated_edge_emu_buffer, (s->width+64)*2*17*2); //(width + edge + align)*interlaced*MBsize*tolerance
457 s->edge_emu_buffer= s->allocated_edge_emu_buffer + (s->width+64)*2*17;
459 //FIXME should be linesize instead of s->width*2 but that isnt known before get_buffer()
460 CHECKED_ALLOCZ(s->me.scratchpad, (s->width+64)*4*16*2*sizeof(uint8_t))
461 s->rd_scratchpad= s->me.scratchpad;
462 s->b_scratchpad= s->me.scratchpad;
463 s->obmc_scratchpad= s->me.scratchpad + 16;
465 CHECKED_ALLOCZ(s->me.map , ME_MAP_SIZE*sizeof(uint32_t))
466 CHECKED_ALLOCZ(s->me.score_map, ME_MAP_SIZE*sizeof(uint32_t))
467 if(s->avctx->noise_reduction){
468 CHECKED_ALLOCZ(s->dct_error_sum, 2 * 64 * sizeof(int))
471 CHECKED_ALLOCZ(s->blocks, 64*12*2 * sizeof(DCTELEM))
472 s->block= s->blocks[0];
475 s->pblocks[i] = (short *)(&s->block[i]);
479 return -1; //free() through MPV_common_end()
482 static void free_duplicate_context(MpegEncContext *s){
485 av_freep(&s->allocated_edge_emu_buffer); s->edge_emu_buffer= NULL;
486 av_freep(&s->me.scratchpad);
489 s->obmc_scratchpad= NULL;
491 av_freep(&s->dct_error_sum);
492 av_freep(&s->me.map);
493 av_freep(&s->me.score_map);
494 av_freep(&s->blocks);
498 static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src){
499 #define COPY(a) bak->a= src->a
500 COPY(allocated_edge_emu_buffer);
501 COPY(edge_emu_buffer);
505 COPY(obmc_scratchpad);
512 COPY(me.map_generation);
520 void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src){
523 //FIXME copy only needed parts
525 backup_duplicate_context(&bak, dst);
526 memcpy(dst, src, sizeof(MpegEncContext));
527 backup_duplicate_context(dst, &bak);
529 dst->pblocks[i] = (short *)(&dst->block[i]);
531 //STOP_TIMER("update_duplicate_context") //about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads
534 static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
535 #define COPY(a) dst->a= src->a
537 COPY(current_picture);
543 COPY(picture_in_gop_number);
544 COPY(gop_picture_number);
545 COPY(frame_pred_frame_dct); //FIXME dont set in encode_header
546 COPY(progressive_frame); //FIXME dont set in encode_header
547 COPY(partitioned_frame); //FIXME dont set in encode_header
552 * sets the given MpegEncContext to common defaults (same for encoding and decoding).
553 * the changed fields will not depend upon the prior state of the MpegEncContext.
555 static void MPV_common_defaults(MpegEncContext *s){
557 s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
558 s->chroma_qscale_table= ff_default_chroma_qscale_table;
559 s->progressive_frame= 1;
560 s->progressive_sequence= 1;
561 s->picture_structure= PICT_FRAME;
563 s->coded_picture_number = 0;
564 s->picture_number = 0;
565 s->input_picture_number = 0;
567 s->picture_in_gop_number = 0;
574 * sets the given MpegEncContext to defaults for decoding.
575 * the changed fields will not depend upon the prior state of the MpegEncContext.
577 void MPV_decode_defaults(MpegEncContext *s){
578 MPV_common_defaults(s);
582 * sets the given MpegEncContext to defaults for encoding.
583 * the changed fields will not depend upon the prior state of the MpegEncContext.
586 #ifdef CONFIG_ENCODERS
587 static void MPV_encode_defaults(MpegEncContext *s){
590 MPV_common_defaults(s);
596 default_mv_penalty= av_mallocz( sizeof(uint8_t)*(MAX_FCODE+1)*(2*MAX_MV+1) );
597 memset(default_fcode_tab , 0, sizeof(uint8_t)*(2*MAX_MV+1));
599 for(i=-16; i<16; i++){
600 default_fcode_tab[i + MAX_MV]= 1;
603 s->me.mv_penalty= default_mv_penalty;
604 s->fcode_tab= default_fcode_tab;
606 #endif //CONFIG_ENCODERS
609 * init common structure for both encoder and decoder.
610 * this assumes that some variables like width/height are already set
612 int MPV_common_init(MpegEncContext *s)
614 int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y;
616 if(s->avctx->thread_count > MAX_THREADS || (16*s->avctx->thread_count > s->height && s->height)){
617 av_log(s->avctx, AV_LOG_ERROR, "too many threads\n");
621 if((s->width || s->height) && avcodec_check_dimensions(s->avctx, s->width, s->height))
624 dsputil_init(&s->dsp, s->avctx);
627 s->flags= s->avctx->flags;
628 s->flags2= s->avctx->flags2;
630 s->mb_width = (s->width + 15) / 16;
631 s->mb_height = (s->height + 15) / 16;
632 s->mb_stride = s->mb_width + 1;
633 s->b8_stride = s->mb_width*2 + 1;
634 s->b4_stride = s->mb_width*4 + 1;
635 mb_array_size= s->mb_height * s->mb_stride;
636 mv_table_size= (s->mb_height+2) * s->mb_stride + 1;
638 /* set chroma shifts */
639 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt,&(s->chroma_x_shift),
640 &(s->chroma_y_shift) );
642 /* set default edge pos, will be overriden in decode_header if needed */
643 s->h_edge_pos= s->mb_width*16;
644 s->v_edge_pos= s->mb_height*16;
646 s->mb_num = s->mb_width * s->mb_height;
651 s->block_wrap[3]= s->b8_stride;
653 s->block_wrap[5]= s->mb_stride;
655 y_size = s->b8_stride * (2 * s->mb_height + 1);
656 c_size = s->mb_stride * (s->mb_height + 1);
657 yc_size = y_size + 2 * c_size;
659 /* convert fourcc to upper case */
660 s->avctx->codec_tag= toupper( s->avctx->codec_tag &0xFF)
661 + (toupper((s->avctx->codec_tag>>8 )&0xFF)<<8 )
662 + (toupper((s->avctx->codec_tag>>16)&0xFF)<<16)
663 + (toupper((s->avctx->codec_tag>>24)&0xFF)<<24);
665 s->avctx->stream_codec_tag= toupper( s->avctx->stream_codec_tag &0xFF)
666 + (toupper((s->avctx->stream_codec_tag>>8 )&0xFF)<<8 )
667 + (toupper((s->avctx->stream_codec_tag>>16)&0xFF)<<16)
668 + (toupper((s->avctx->stream_codec_tag>>24)&0xFF)<<24);
670 s->avctx->coded_frame= (AVFrame*)&s->current_picture;
672 CHECKED_ALLOCZ(s->mb_index2xy, (s->mb_num+1)*sizeof(int)) //error ressilience code looks cleaner with this
673 for(y=0; y<s->mb_height; y++){
674 for(x=0; x<s->mb_width; x++){
675 s->mb_index2xy[ x + y*s->mb_width ] = x + y*s->mb_stride;
678 s->mb_index2xy[ s->mb_height*s->mb_width ] = (s->mb_height-1)*s->mb_stride + s->mb_width; //FIXME really needed?
681 /* Allocate MV tables */
682 CHECKED_ALLOCZ(s->p_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
683 CHECKED_ALLOCZ(s->b_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
684 CHECKED_ALLOCZ(s->b_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
685 CHECKED_ALLOCZ(s->b_bidir_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
686 CHECKED_ALLOCZ(s->b_bidir_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
687 CHECKED_ALLOCZ(s->b_direct_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
688 s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
689 s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
690 s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
691 s->b_bidir_forw_mv_table= s->b_bidir_forw_mv_table_base + s->mb_stride + 1;
692 s->b_bidir_back_mv_table= s->b_bidir_back_mv_table_base + s->mb_stride + 1;
693 s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
695 if(s->msmpeg4_version){
696 CHECKED_ALLOCZ(s->ac_stats, 2*2*(MAX_LEVEL+1)*(MAX_RUN+1)*2*sizeof(int));
698 CHECKED_ALLOCZ(s->avctx->stats_out, 256);
700 /* Allocate MB type table */
701 CHECKED_ALLOCZ(s->mb_type , mb_array_size * sizeof(uint16_t)) //needed for encoding
703 CHECKED_ALLOCZ(s->lambda_table, mb_array_size * sizeof(int))
705 CHECKED_ALLOCZ(s->q_intra_matrix, 64*32 * sizeof(int))
706 CHECKED_ALLOCZ(s->q_inter_matrix, 64*32 * sizeof(int))
707 CHECKED_ALLOCZ(s->q_intra_matrix16, 64*32*2 * sizeof(uint16_t))
708 CHECKED_ALLOCZ(s->q_inter_matrix16, 64*32*2 * sizeof(uint16_t))
709 CHECKED_ALLOCZ(s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture*))
710 CHECKED_ALLOCZ(s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture*))
712 if(s->avctx->noise_reduction){
713 CHECKED_ALLOCZ(s->dct_offset, 2 * 64 * sizeof(uint16_t))
716 CHECKED_ALLOCZ(s->picture, MAX_PICTURE_COUNT * sizeof(Picture))
718 CHECKED_ALLOCZ(s->error_status_table, mb_array_size*sizeof(uint8_t))
720 if(s->codec_id==CODEC_ID_MPEG4 || (s->flags & CODEC_FLAG_INTERLACED_ME)){
721 /* interlaced direct mode decoding tables */
726 CHECKED_ALLOCZ(s->b_field_mv_table_base[i][j][k] , mv_table_size * 2 * sizeof(int16_t))
727 s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] + s->mb_stride + 1;
729 CHECKED_ALLOCZ(s->b_field_select_table[i][j] , mb_array_size * 2 * sizeof(uint8_t))
730 CHECKED_ALLOCZ(s->p_field_mv_table_base[i][j] , mv_table_size * 2 * sizeof(int16_t))
731 s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j] + s->mb_stride + 1;
733 CHECKED_ALLOCZ(s->p_field_select_table[i] , mb_array_size * 2 * sizeof(uint8_t))
736 if (s->out_format == FMT_H263) {
738 CHECKED_ALLOCZ(s->ac_val_base, yc_size * sizeof(int16_t) * 16);
739 s->ac_val[0] = s->ac_val_base + s->b8_stride + 1;
740 s->ac_val[1] = s->ac_val_base + y_size + s->mb_stride + 1;
741 s->ac_val[2] = s->ac_val[1] + c_size;
744 CHECKED_ALLOCZ(s->coded_block_base, y_size);
745 s->coded_block= s->coded_block_base + s->b8_stride + 1;
747 /* cbp, ac_pred, pred_dir */
748 CHECKED_ALLOCZ(s->cbp_table , mb_array_size * sizeof(uint8_t))
749 CHECKED_ALLOCZ(s->pred_dir_table, mb_array_size * sizeof(uint8_t))
752 if (s->h263_pred || s->h263_plus || !s->encoding) {
754 //MN: we need these for error resilience of intra-frames
755 CHECKED_ALLOCZ(s->dc_val_base, yc_size * sizeof(int16_t));
756 s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
757 s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
758 s->dc_val[2] = s->dc_val[1] + c_size;
759 for(i=0;i<yc_size;i++)
760 s->dc_val_base[i] = 1024;
763 /* which mb is a intra block */
764 CHECKED_ALLOCZ(s->mbintra_table, mb_array_size);
765 memset(s->mbintra_table, 1, mb_array_size);
767 /* init macroblock skip table */
768 CHECKED_ALLOCZ(s->mbskip_table, mb_array_size+2);
769 //Note the +1 is for a quicker mpeg4 slice_end detection
770 CHECKED_ALLOCZ(s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE);
772 s->parse_context.state= -1;
773 if((s->avctx->debug&(FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) || (s->avctx->debug_mv)){
774 s->visualization_buffer[0] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH);
775 s->visualization_buffer[1] = av_malloc((s->mb_width*8 + EDGE_WIDTH) * s->mb_height*8 + EDGE_WIDTH);
776 s->visualization_buffer[2] = av_malloc((s->mb_width*8 + EDGE_WIDTH) * s->mb_height*8 + EDGE_WIDTH);
779 s->context_initialized = 1;
781 s->thread_context[0]= s;
782 for(i=1; i<s->avctx->thread_count; i++){
783 s->thread_context[i]= av_malloc(sizeof(MpegEncContext));
784 memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
787 for(i=0; i<s->avctx->thread_count; i++){
788 if(init_duplicate_context(s->thread_context[i], s) < 0)
790 s->thread_context[i]->start_mb_y= (s->mb_height*(i ) + s->avctx->thread_count/2) / s->avctx->thread_count;
791 s->thread_context[i]->end_mb_y = (s->mb_height*(i+1) + s->avctx->thread_count/2) / s->avctx->thread_count;
800 /* init common structure for both encoder and decoder */
801 void MPV_common_end(MpegEncContext *s)
805 for(i=0; i<s->avctx->thread_count; i++){
806 free_duplicate_context(s->thread_context[i]);
808 for(i=1; i<s->avctx->thread_count; i++){
809 av_freep(&s->thread_context[i]);
812 av_freep(&s->parse_context.buffer);
813 s->parse_context.buffer_size=0;
815 av_freep(&s->mb_type);
816 av_freep(&s->p_mv_table_base);
817 av_freep(&s->b_forw_mv_table_base);
818 av_freep(&s->b_back_mv_table_base);
819 av_freep(&s->b_bidir_forw_mv_table_base);
820 av_freep(&s->b_bidir_back_mv_table_base);
821 av_freep(&s->b_direct_mv_table_base);
823 s->b_forw_mv_table= NULL;
824 s->b_back_mv_table= NULL;
825 s->b_bidir_forw_mv_table= NULL;
826 s->b_bidir_back_mv_table= NULL;
827 s->b_direct_mv_table= NULL;
831 av_freep(&s->b_field_mv_table_base[i][j][k]);
832 s->b_field_mv_table[i][j][k]=NULL;
834 av_freep(&s->b_field_select_table[i][j]);
835 av_freep(&s->p_field_mv_table_base[i][j]);
836 s->p_field_mv_table[i][j]=NULL;
838 av_freep(&s->p_field_select_table[i]);
841 av_freep(&s->dc_val_base);
842 av_freep(&s->ac_val_base);
843 av_freep(&s->coded_block_base);
844 av_freep(&s->mbintra_table);
845 av_freep(&s->cbp_table);
846 av_freep(&s->pred_dir_table);
848 av_freep(&s->mbskip_table);
849 av_freep(&s->prev_pict_types);
850 av_freep(&s->bitstream_buffer);
851 s->allocated_bitstream_buffer_size=0;
853 av_freep(&s->avctx->stats_out);
854 av_freep(&s->ac_stats);
855 av_freep(&s->error_status_table);
856 av_freep(&s->mb_index2xy);
857 av_freep(&s->lambda_table);
858 av_freep(&s->q_intra_matrix);
859 av_freep(&s->q_inter_matrix);
860 av_freep(&s->q_intra_matrix16);
861 av_freep(&s->q_inter_matrix16);
862 av_freep(&s->input_picture);
863 av_freep(&s->reordered_input_picture);
864 av_freep(&s->dct_offset);
867 for(i=0; i<MAX_PICTURE_COUNT; i++){
868 free_picture(s, &s->picture[i]);
871 av_freep(&s->picture);
872 s->context_initialized = 0;
875 s->current_picture_ptr= NULL;
876 s->linesize= s->uvlinesize= 0;
879 av_freep(&s->visualization_buffer[i]);
881 avcodec_default_free_buffers(s->avctx);
884 #ifdef CONFIG_ENCODERS
886 /* init video encoder */
887 int MPV_encode_init(AVCodecContext *avctx)
889 MpegEncContext *s = avctx->priv_data;
891 int chroma_h_shift, chroma_v_shift;
893 MPV_encode_defaults(s);
895 if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUV420P){
896 av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
900 if(avctx->codec_id == CODEC_ID_MJPEG || avctx->codec_id == CODEC_ID_LJPEG){
901 if(avctx->strict_std_compliance>=0 && avctx->pix_fmt != PIX_FMT_YUVJ420P){
902 av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
906 if(avctx->strict_std_compliance>=0 && avctx->pix_fmt != PIX_FMT_YUV420P){
907 av_log(avctx, AV_LOG_ERROR, "colorspace not supported\n");
912 s->bit_rate = avctx->bit_rate;
913 s->width = avctx->width;
914 s->height = avctx->height;
915 if(avctx->gop_size > 600){
916 av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
919 s->gop_size = avctx->gop_size;
921 s->flags= avctx->flags;
922 s->flags2= avctx->flags2;
923 s->max_b_frames= avctx->max_b_frames;
924 s->codec_id= avctx->codec->id;
925 s->luma_elim_threshold = avctx->luma_elim_threshold;
926 s->chroma_elim_threshold= avctx->chroma_elim_threshold;
927 s->strict_std_compliance= avctx->strict_std_compliance;
928 s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
929 s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
930 s->mpeg_quant= avctx->mpeg_quant;
931 s->rtp_mode= !!avctx->rtp_payload_size;
932 s->intra_dc_precision= avctx->intra_dc_precision;
933 s->user_specified_pts = AV_NOPTS_VALUE;
935 if (s->gop_size <= 1) {
942 s->me_method = avctx->me_method;
945 s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
947 s->adaptive_quant= ( s->avctx->lumi_masking
948 || s->avctx->dark_masking
949 || s->avctx->temporal_cplx_masking
950 || s->avctx->spatial_cplx_masking
951 || s->avctx->p_masking
952 || s->avctx->border_masking
953 || (s->flags&CODEC_FLAG_QP_RD))
956 s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
957 s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
958 s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
960 if(avctx->rc_max_rate && !avctx->rc_buffer_size){
961 av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
965 if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
966 av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isnt recommanded!\n");
969 if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
970 av_log(avctx, AV_LOG_INFO, "bitrate below min bitrate\n");
974 if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
975 av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
979 if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
980 && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
981 && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
983 av_log(avctx, AV_LOG_INFO, "Warning vbv_delay will be set to 0xFFFF (=VBR) as the specified vbv buffer is too large for the given bitrate!\n");
986 if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
987 && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
988 av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
992 if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
993 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decission\n");
997 if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
998 av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
1002 if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
1003 av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
1007 if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
1008 av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
1012 if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
1013 av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
1017 if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
1018 && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
1019 av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
1023 if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
1024 av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supporetd by codec\n");
1028 if((s->flags & CODEC_FLAG_CBP_RD) && !(s->flags & CODEC_FLAG_TRELLIS_QUANT)){
1029 av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
1033 if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
1034 av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
1038 if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
1039 av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection arent supported yet\n");
1043 if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
1044 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
1045 && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
1046 av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
1050 if(s->avctx->thread_count > 1)
1053 if(!avctx->frame_rate || !avctx->frame_rate_base){
1054 av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
1058 i= ff_gcd(avctx->frame_rate, avctx->frame_rate_base);
1060 av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
1061 avctx->frame_rate /= i;
1062 avctx->frame_rate_base /= i;
1066 if(s->codec_id==CODEC_ID_MJPEG){
1067 s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x
1068 s->inter_quant_bias= 0;
1069 }else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){
1070 s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
1071 s->inter_quant_bias= 0;
1073 s->intra_quant_bias=0;
1074 s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
1077 if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
1078 s->intra_quant_bias= avctx->intra_quant_bias;
1079 if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
1080 s->inter_quant_bias= avctx->inter_quant_bias;
1082 avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
1084 av_reduce(&s->time_increment_resolution, &dummy, s->avctx->frame_rate, s->avctx->frame_rate_base, (1<<16)-1);
1085 s->time_increment_bits = av_log2(s->time_increment_resolution - 1) + 1;
1087 switch(avctx->codec->id) {
1088 case CODEC_ID_MPEG1VIDEO:
1089 s->out_format = FMT_MPEG1;
1090 s->low_delay= 0; //s->max_b_frames ? 0 : 1;
1091 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
1093 case CODEC_ID_MPEG2VIDEO:
1094 s->out_format = FMT_MPEG1;
1095 s->low_delay= 0; //s->max_b_frames ? 0 : 1;
1096 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
1099 case CODEC_ID_LJPEG:
1100 case CODEC_ID_MJPEG:
1101 s->out_format = FMT_MJPEG;
1102 s->intra_only = 1; /* force intra only for jpeg */
1103 s->mjpeg_write_tables = 1; /* write all tables */
1104 s->mjpeg_data_only_frames = 0; /* write all the needed headers */
1105 s->mjpeg_vsample[0] = 1<<chroma_v_shift;
1106 s->mjpeg_vsample[1] = 1;
1107 s->mjpeg_vsample[2] = 1;
1108 s->mjpeg_hsample[0] = 1<<chroma_h_shift;
1109 s->mjpeg_hsample[1] = 1;
1110 s->mjpeg_hsample[2] = 1;
1111 if (mjpeg_init(s) < 0)
1117 s->out_format = FMT_H261;
1122 if (h263_get_picture_format(s->width, s->height) == 7) {
1123 av_log(avctx, AV_LOG_INFO, "Input picture size isn't suitable for h263 codec! try h263+\n");
1126 s->out_format = FMT_H263;
1127 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
1131 case CODEC_ID_H263P:
1132 s->out_format = FMT_H263;
1135 s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
1136 s->h263_aic= (avctx->flags & CODEC_FLAG_H263P_AIC) ? 1:0;
1137 s->modified_quant= s->h263_aic;
1138 s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
1139 s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
1140 s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
1141 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
1142 s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
1145 /* These are just to be sure */
1150 s->out_format = FMT_H263;
1151 s->h263_flv = 2; /* format = 1; 11-bit codes */
1152 s->unrestricted_mv = 1;
1153 s->rtp_mode=0; /* don't allow GOB */
1158 s->out_format = FMT_H263;
1163 s->out_format = FMT_H263;
1166 s->modified_quant=1;
1170 s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
1172 case CODEC_ID_MPEG4:
1173 s->out_format = FMT_H263;
1175 s->unrestricted_mv = 1;
1176 s->low_delay= s->max_b_frames ? 0 : 1;
1177 avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
1179 case CODEC_ID_MSMPEG4V1:
1180 s->out_format = FMT_H263;
1181 s->h263_msmpeg4 = 1;
1183 s->unrestricted_mv = 1;
1184 s->msmpeg4_version= 1;
1188 case CODEC_ID_MSMPEG4V2:
1189 s->out_format = FMT_H263;
1190 s->h263_msmpeg4 = 1;
1192 s->unrestricted_mv = 1;
1193 s->msmpeg4_version= 2;
1197 case CODEC_ID_MSMPEG4V3:
1198 s->out_format = FMT_H263;
1199 s->h263_msmpeg4 = 1;
1201 s->unrestricted_mv = 1;
1202 s->msmpeg4_version= 3;
1203 s->flipflop_rounding=1;
1208 s->out_format = FMT_H263;
1209 s->h263_msmpeg4 = 1;
1211 s->unrestricted_mv = 1;
1212 s->msmpeg4_version= 4;
1213 s->flipflop_rounding=1;
1218 s->out_format = FMT_H263;
1219 s->h263_msmpeg4 = 1;
1221 s->unrestricted_mv = 1;
1222 s->msmpeg4_version= 5;
1223 s->flipflop_rounding=1;
1231 avctx->has_b_frames= !s->low_delay;
1236 if (MPV_common_init(s) < 0)
1239 if(s->modified_quant)
1240 s->chroma_qscale_table= ff_h263_chroma_qscale_table;
1241 s->progressive_frame=
1242 s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME));
1243 s->quant_precision=5;
1245 ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
1246 ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
1248 #ifdef CONFIG_ENCODERS
1249 if (s->out_format == FMT_H261)
1250 ff_h261_encode_init(s);
1251 if (s->out_format == FMT_H263)
1252 h263_encode_init(s);
1253 if(s->msmpeg4_version)
1254 ff_msmpeg4_encode_init(s);
1255 if (s->out_format == FMT_MPEG1)
1256 ff_mpeg1_encode_init(s);
1261 int j= s->dsp.idct_permutation[i];
1262 if(s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
1263 s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
1264 s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
1265 }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
1266 s->intra_matrix[j] =
1267 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
1270 s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
1271 s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
1273 if(s->avctx->intra_matrix)
1274 s->intra_matrix[j] = s->avctx->intra_matrix[i];
1275 if(s->avctx->inter_matrix)
1276 s->inter_matrix[j] = s->avctx->inter_matrix[i];
1279 /* precompute matrix */
1280 /* for mjpeg, we do include qscale in the matrix */
1281 if (s->out_format != FMT_MJPEG) {
1282 convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
1283 s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
1284 convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
1285 s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
1288 if(ff_rate_control_init(s) < 0)
1294 int MPV_encode_end(AVCodecContext *avctx)
1296 MpegEncContext *s = avctx->priv_data;
1302 ff_rate_control_uninit(s);
1305 if (s->out_format == FMT_MJPEG)
1308 av_freep(&avctx->extradata);
1313 #endif //CONFIG_ENCODERS
1315 void init_rl(RLTable *rl, int use_static)
1317 int8_t max_level[MAX_RUN+1], max_run[MAX_LEVEL+1];
1318 uint8_t index_run[MAX_RUN+1];
1319 int last, run, level, start, end, i;
1321 /* If table is static, we can quit if rl->max_level[0] is not NULL */
1322 if(use_static && rl->max_level[0])
1325 /* compute max_level[], max_run[] and index_run[] */
1326 for(last=0;last<2;last++) {
1335 memset(max_level, 0, MAX_RUN + 1);
1336 memset(max_run, 0, MAX_LEVEL + 1);
1337 memset(index_run, rl->n, MAX_RUN + 1);
1338 for(i=start;i<end;i++) {
1339 run = rl->table_run[i];
1340 level = rl->table_level[i];
1341 if (index_run[run] == rl->n)
1343 if (level > max_level[run])
1344 max_level[run] = level;
1345 if (run > max_run[level])
1346 max_run[level] = run;
1349 rl->max_level[last] = av_mallocz_static(MAX_RUN + 1);
1351 rl->max_level[last] = av_malloc(MAX_RUN + 1);
1352 memcpy(rl->max_level[last], max_level, MAX_RUN + 1);
1354 rl->max_run[last] = av_mallocz_static(MAX_LEVEL + 1);
1356 rl->max_run[last] = av_malloc(MAX_LEVEL + 1);
1357 memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1);
1359 rl->index_run[last] = av_mallocz_static(MAX_RUN + 1);
1361 rl->index_run[last] = av_malloc(MAX_RUN + 1);
1362 memcpy(rl->index_run[last], index_run, MAX_RUN + 1);
1366 /* draw the edges of width 'w' of an image of size width, height */
1367 //FIXME check that this is ok for mpeg4 interlaced
1368 static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w)
1370 uint8_t *ptr, *last_line;
1373 last_line = buf + (height - 1) * wrap;
1375 /* top and bottom */
1376 memcpy(buf - (i + 1) * wrap, buf, width);
1377 memcpy(last_line + (i + 1) * wrap, last_line, width);
1379 /* left and right */
1381 for(i=0;i<height;i++) {
1382 memset(ptr - w, ptr[0], w);
1383 memset(ptr + width, ptr[width-1], w);
1388 memset(buf - (i + 1) * wrap - w, buf[0], w); /* top left */
1389 memset(buf - (i + 1) * wrap + width, buf[width-1], w); /* top right */
1390 memset(last_line + (i + 1) * wrap - w, last_line[0], w); /* top left */
1391 memset(last_line + (i + 1) * wrap + width, last_line[width-1], w); /* top right */
1395 int ff_find_unused_picture(MpegEncContext *s, int shared){
1399 for(i=0; i<MAX_PICTURE_COUNT; i++){
1400 if(s->picture[i].data[0]==NULL && s->picture[i].type==0) return i;
1403 for(i=0; i<MAX_PICTURE_COUNT; i++){
1404 if(s->picture[i].data[0]==NULL && s->picture[i].type!=0) return i; //FIXME
1406 for(i=0; i<MAX_PICTURE_COUNT; i++){
1407 if(s->picture[i].data[0]==NULL) return i;
1415 static void update_noise_reduction(MpegEncContext *s){
1418 for(intra=0; intra<2; intra++){
1419 if(s->dct_count[intra] > (1<<16)){
1420 for(i=0; i<64; i++){
1421 s->dct_error_sum[intra][i] >>=1;
1423 s->dct_count[intra] >>= 1;
1426 for(i=0; i<64; i++){
1427 s->dct_offset[intra][i]= (s->avctx->noise_reduction * s->dct_count[intra] + s->dct_error_sum[intra][i]/2) / (s->dct_error_sum[intra][i]+1);
1433 * generic function for encode/decode called after coding/decoding the header and before a frame is coded/decoded
1435 int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
1441 assert(s->last_picture_ptr==NULL || s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3);
1443 /* mark&release old frames */
1444 if (s->pict_type != B_TYPE && s->last_picture_ptr && s->last_picture_ptr != s->next_picture_ptr && s->last_picture_ptr->data[0]) {
1445 avctx->release_buffer(avctx, (AVFrame*)s->last_picture_ptr);
1447 /* release forgotten pictures */
1448 /* if(mpeg124/h263) */
1450 for(i=0; i<MAX_PICTURE_COUNT; i++){
1451 if(s->picture[i].data[0] && &s->picture[i] != s->next_picture_ptr && s->picture[i].reference){
1452 av_log(avctx, AV_LOG_ERROR, "releasing zombie picture\n");
1453 avctx->release_buffer(avctx, (AVFrame*)&s->picture[i]);
1460 /* release non refernce frames */
1461 for(i=0; i<MAX_PICTURE_COUNT; i++){
1462 if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
1463 s->avctx->release_buffer(s->avctx, (AVFrame*)&s->picture[i]);
1467 if(s->current_picture_ptr && s->current_picture_ptr->data[0]==NULL)
1468 pic= (AVFrame*)s->current_picture_ptr; //we allready have a unused image (maybe it was set before reading the header)
1470 i= ff_find_unused_picture(s, 0);
1471 pic= (AVFrame*)&s->picture[i];
1474 pic->reference= s->pict_type != B_TYPE && !s->dropable ? 3 : 0;
1476 pic->coded_picture_number= s->coded_picture_number++;
1478 if( alloc_picture(s, (Picture*)pic, 0) < 0)
1481 s->current_picture_ptr= (Picture*)pic;
1482 s->current_picture_ptr->top_field_first= s->top_field_first; //FIXME use only the vars from current_pic
1483 s->current_picture_ptr->interlaced_frame= !s->progressive_frame && !s->progressive_sequence;
1486 s->current_picture_ptr->pict_type= s->pict_type;
1487 // if(s->flags && CODEC_FLAG_QSCALE)
1488 // s->current_picture_ptr->quality= s->new_picture_ptr->quality;
1489 s->current_picture_ptr->key_frame= s->pict_type == I_TYPE;
1491 copy_picture(&s->current_picture, s->current_picture_ptr);
1493 if(s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3){
1494 if (s->pict_type != B_TYPE) {
1495 s->last_picture_ptr= s->next_picture_ptr;
1497 s->next_picture_ptr= s->current_picture_ptr;
1499 /* av_log(s->avctx, AV_LOG_DEBUG, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n", s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr,
1500 s->last_picture_ptr ? s->last_picture_ptr->data[0] : NULL,
1501 s->next_picture_ptr ? s->next_picture_ptr->data[0] : NULL,
1502 s->current_picture_ptr ? s->current_picture_ptr->data[0] : NULL,
1503 s->pict_type, s->dropable);*/
1505 if(s->last_picture_ptr) copy_picture(&s->last_picture, s->last_picture_ptr);
1506 if(s->next_picture_ptr) copy_picture(&s->next_picture, s->next_picture_ptr);
1508 if(s->pict_type != I_TYPE && (s->last_picture_ptr==NULL || s->last_picture_ptr->data[0]==NULL)){
1509 av_log(avctx, AV_LOG_ERROR, "warning: first frame is no keyframe\n");
1510 assert(s->pict_type != B_TYPE); //these should have been dropped if we dont have a reference
1514 assert(s->pict_type == I_TYPE || (s->last_picture_ptr && s->last_picture_ptr->data[0]));
1516 if(s->picture_structure!=PICT_FRAME){
1519 if(s->picture_structure == PICT_BOTTOM_FIELD){
1520 s->current_picture.data[i] += s->current_picture.linesize[i];
1522 s->current_picture.linesize[i] *= 2;
1523 s->last_picture.linesize[i] *=2;
1524 s->next_picture.linesize[i] *=2;
1529 s->hurry_up= s->avctx->hurry_up;
1530 s->error_resilience= avctx->error_resilience;
1532 /* set dequantizer, we cant do it during init as it might change for mpeg4
1533 and we cant do it in the header decode as init isnt called for mpeg4 there yet */
1534 if(s->mpeg_quant || s->codec_id == CODEC_ID_MPEG2VIDEO){
1535 s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra;
1536 s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter;
1537 }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
1538 s->dct_unquantize_intra = s->dct_unquantize_h263_intra;
1539 s->dct_unquantize_inter = s->dct_unquantize_h263_inter;
1541 s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra;
1542 s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter;
1545 if(s->dct_error_sum){
1546 assert(s->avctx->noise_reduction && s->encoding);
1548 update_noise_reduction(s);
1552 if(s->avctx->xvmc_acceleration)
1553 return XVMC_field_start(s, avctx);
1558 /* generic function for encode/decode called after a frame has been coded/decoded */
1559 void MPV_frame_end(MpegEncContext *s)
1562 /* draw edge for correct motion prediction if outside */
1564 //just to make sure that all data is rendered.
1565 if(s->avctx->xvmc_acceleration){
1569 if(s->unrestricted_mv && s->pict_type != B_TYPE && !s->intra_only && !(s->flags&CODEC_FLAG_EMU_EDGE)) {
1570 draw_edges(s->current_picture.data[0], s->linesize , s->h_edge_pos , s->v_edge_pos , EDGE_WIDTH );
1571 draw_edges(s->current_picture.data[1], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2);
1572 draw_edges(s->current_picture.data[2], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2);
1576 s->last_pict_type = s->pict_type;
1577 if(s->pict_type!=B_TYPE){
1578 s->last_non_b_pict_type= s->pict_type;
1581 /* copy back current_picture variables */
1582 for(i=0; i<MAX_PICTURE_COUNT; i++){
1583 if(s->picture[i].data[0] == s->current_picture.data[0]){
1584 s->picture[i]= s->current_picture;
1588 assert(i<MAX_PICTURE_COUNT);
1592 /* release non refernce frames */
1593 for(i=0; i<MAX_PICTURE_COUNT; i++){
1594 if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
1595 s->avctx->release_buffer(s->avctx, (AVFrame*)&s->picture[i]);
1599 // clear copies, to avoid confusion
1601 memset(&s->last_picture, 0, sizeof(Picture));
1602 memset(&s->next_picture, 0, sizeof(Picture));
1603 memset(&s->current_picture, 0, sizeof(Picture));
1605 s->avctx->coded_frame= (AVFrame*)s->current_picture_ptr;
1609 * draws an line from (ex, ey) -> (sx, sy).
1610 * @param w width of the image
1611 * @param h height of the image
1612 * @param stride stride/linesize of the image
1613 * @param color color of the arrow
1615 static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
1618 sx= clip(sx, 0, w-1);
1619 sy= clip(sy, 0, h-1);
1620 ex= clip(ex, 0, w-1);
1621 ey= clip(ey, 0, h-1);
1623 buf[sy*stride + sx]+= color;
1625 if(ABS(ex - sx) > ABS(ey - sy)){
1630 buf+= sx + sy*stride;
1632 f= ((ey-sy)<<16)/ex;
1633 for(x= 0; x <= ex; x++){
1636 buf[ y *stride + x]+= (color*(0x10000-fr))>>16;
1637 buf[(y+1)*stride + x]+= (color* fr )>>16;
1644 buf+= sx + sy*stride;
1646 if(ey) f= ((ex-sx)<<16)/ey;
1648 for(y= 0; y <= ey; y++){
1651 buf[y*stride + x ]+= (color*(0x10000-fr))>>16;;
1652 buf[y*stride + x+1]+= (color* fr )>>16;;
1658 * draws an arrow from (ex, ey) -> (sx, sy).
1659 * @param w width of the image
1660 * @param h height of the image
1661 * @param stride stride/linesize of the image
1662 * @param color color of the arrow
1664 static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
1667 sx= clip(sx, -100, w+100);
1668 sy= clip(sy, -100, h+100);
1669 ex= clip(ex, -100, w+100);
1670 ey= clip(ey, -100, h+100);
1675 if(dx*dx + dy*dy > 3*3){
1678 int length= ff_sqrt((rx*rx + ry*ry)<<8);
1680 //FIXME subpixel accuracy
1681 rx= ROUNDED_DIV(rx*3<<4, length);
1682 ry= ROUNDED_DIV(ry*3<<4, length);
1684 draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color);
1685 draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color);
1687 draw_line(buf, sx, sy, ex, ey, w, h, stride, color);
1691 * prints debuging info for the given picture.
1693 void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
1695 if(!pict || !pict->mb_type) return;
1697 if(s->avctx->debug&(FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)){
1700 av_log(s->avctx,AV_LOG_DEBUG,"New frame, type: ");
1701 switch (pict->pict_type) {
1702 case FF_I_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"I\n"); break;
1703 case FF_P_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"P\n"); break;
1704 case FF_B_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"B\n"); break;
1705 case FF_S_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"S\n"); break;
1706 case FF_SI_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"SI\n"); break;
1707 case FF_SP_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"SP\n"); break;
1709 for(y=0; y<s->mb_height; y++){
1710 for(x=0; x<s->mb_width; x++){
1711 if(s->avctx->debug&FF_DEBUG_SKIP){
1712 int count= s->mbskip_table[x + y*s->mb_stride];
1713 if(count>9) count=9;
1714 av_log(s->avctx, AV_LOG_DEBUG, "%1d", count);
1716 if(s->avctx->debug&FF_DEBUG_QP){
1717 av_log(s->avctx, AV_LOG_DEBUG, "%2d", pict->qscale_table[x + y*s->mb_stride]);
1719 if(s->avctx->debug&FF_DEBUG_MB_TYPE){
1720 int mb_type= pict->mb_type[x + y*s->mb_stride];
1721 //Type & MV direction
1723 av_log(s->avctx, AV_LOG_DEBUG, "P");
1724 else if(IS_INTRA(mb_type) && IS_ACPRED(mb_type))
1725 av_log(s->avctx, AV_LOG_DEBUG, "A");
1726 else if(IS_INTRA4x4(mb_type))
1727 av_log(s->avctx, AV_LOG_DEBUG, "i");
1728 else if(IS_INTRA16x16(mb_type))
1729 av_log(s->avctx, AV_LOG_DEBUG, "I");
1730 else if(IS_DIRECT(mb_type) && IS_SKIP(mb_type))
1731 av_log(s->avctx, AV_LOG_DEBUG, "d");
1732 else if(IS_DIRECT(mb_type))
1733 av_log(s->avctx, AV_LOG_DEBUG, "D");
1734 else if(IS_GMC(mb_type) && IS_SKIP(mb_type))
1735 av_log(s->avctx, AV_LOG_DEBUG, "g");
1736 else if(IS_GMC(mb_type))
1737 av_log(s->avctx, AV_LOG_DEBUG, "G");
1738 else if(IS_SKIP(mb_type))
1739 av_log(s->avctx, AV_LOG_DEBUG, "S");
1740 else if(!USES_LIST(mb_type, 1))
1741 av_log(s->avctx, AV_LOG_DEBUG, ">");
1742 else if(!USES_LIST(mb_type, 0))
1743 av_log(s->avctx, AV_LOG_DEBUG, "<");
1745 assert(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
1746 av_log(s->avctx, AV_LOG_DEBUG, "X");
1751 av_log(s->avctx, AV_LOG_DEBUG, "+");
1752 else if(IS_16X8(mb_type))
1753 av_log(s->avctx, AV_LOG_DEBUG, "-");
1754 else if(IS_8X16(mb_type))
1755 av_log(s->avctx, AV_LOG_DEBUG, "¦");
1756 else if(IS_INTRA(mb_type) || IS_16X16(mb_type))
1757 av_log(s->avctx, AV_LOG_DEBUG, " ");
1759 av_log(s->avctx, AV_LOG_DEBUG, "?");
1762 if(IS_INTERLACED(mb_type) && s->codec_id == CODEC_ID_H264)
1763 av_log(s->avctx, AV_LOG_DEBUG, "=");
1765 av_log(s->avctx, AV_LOG_DEBUG, " ");
1767 // av_log(s->avctx, AV_LOG_DEBUG, " ");
1769 av_log(s->avctx, AV_LOG_DEBUG, "\n");
1773 if((s->avctx->debug&(FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) || (s->avctx->debug_mv)){
1774 const int shift= 1 + s->quarter_sample;
1778 int h_chroma_shift, v_chroma_shift;
1779 const int width = s->avctx->width;
1780 const int height= s->avctx->height;
1781 const int mv_sample_log2= 4 - pict->motion_subsample_log2;
1782 const int mv_stride= (s->mb_width << mv_sample_log2) + 1;
1783 s->low_delay=0; //needed to see the vectors without trashing the buffers
1785 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
1787 memcpy(s->visualization_buffer[i], pict->data[i], (i==0) ? pict->linesize[i]*height:pict->linesize[i]*height >> v_chroma_shift);
1788 pict->data[i]= s->visualization_buffer[i];
1790 pict->type= FF_BUFFER_TYPE_COPY;
1793 for(mb_y=0; mb_y<s->mb_height; mb_y++){
1795 for(mb_x=0; mb_x<s->mb_width; mb_x++){
1796 const int mb_index= mb_x + mb_y*s->mb_stride;
1797 if((s->avctx->debug_mv) && pict->motion_val){
1799 for(type=0; type<3; type++){
1802 case 0: if ((!(s->avctx->debug_mv&FF_DEBUG_VIS_MV_P_FOR)) || (pict->pict_type!=FF_P_TYPE))
1806 case 1: if ((!(s->avctx->debug_mv&FF_DEBUG_VIS_MV_B_FOR)) || (pict->pict_type!=FF_B_TYPE))
1810 case 2: if ((!(s->avctx->debug_mv&FF_DEBUG_VIS_MV_B_BACK)) || (pict->pict_type!=FF_B_TYPE))
1815 if(!USES_LIST(pict->mb_type[mb_index], direction))
1818 if(IS_8X8(pict->mb_type[mb_index])){
1821 int sx= mb_x*16 + 4 + 8*(i&1);
1822 int sy= mb_y*16 + 4 + 8*(i>>1);
1823 int xy= (mb_x*2 + (i&1) + (mb_y*2 + (i>>1))*mv_stride) << (mv_sample_log2-1);
1824 int mx= (pict->motion_val[direction][xy][0]>>shift) + sx;
1825 int my= (pict->motion_val[direction][xy][1]>>shift) + sy;
1826 draw_arrow(ptr, sx, sy, mx, my, width, height, s->linesize, 100);
1828 }else if(IS_16X8(pict->mb_type[mb_index])){
1832 int sy=mb_y*16 + 4 + 8*i;
1833 int xy= (mb_x*2 + (mb_y*2 + i)*mv_stride) << (mv_sample_log2-1);
1834 int mx=(pict->motion_val[direction][xy][0]>>shift);
1835 int my=(pict->motion_val[direction][xy][1]>>shift);
1837 if(IS_INTERLACED(pict->mb_type[mb_index]))
1840 draw_arrow(ptr, sx, sy, mx+sx, my+sy, width, height, s->linesize, 100);
1842 }else if(IS_8X16(pict->mb_type[mb_index])){
1845 int sx=mb_x*16 + 4 + 8*i;
1847 int xy= (mb_x*2 + i + mb_y*2*mv_stride) << (mv_sample_log2-1);
1848 int mx=(pict->motion_val[direction][xy][0]>>shift);
1849 int my=(pict->motion_val[direction][xy][1]>>shift);
1851 if(IS_INTERLACED(pict->mb_type[mb_index]))
1854 draw_arrow(ptr, sx, sy, mx+sx, my+sy, width, height, s->linesize, 100);
1857 int sx= mb_x*16 + 8;
1858 int sy= mb_y*16 + 8;
1859 int xy= (mb_x + mb_y*mv_stride) << mv_sample_log2;
1860 int mx= (pict->motion_val[direction][xy][0]>>shift) + sx;
1861 int my= (pict->motion_val[direction][xy][1]>>shift) + sy;
1862 draw_arrow(ptr, sx, sy, mx, my, width, height, s->linesize, 100);
1866 if((s->avctx->debug&FF_DEBUG_VIS_QP) && pict->motion_val){
1867 uint64_t c= (pict->qscale_table[mb_index]*128/31) * 0x0101010101010101ULL;
1870 *(uint64_t*)(pict->data[1] + 8*mb_x + (8*mb_y + y)*pict->linesize[1])= c;
1871 *(uint64_t*)(pict->data[2] + 8*mb_x + (8*mb_y + y)*pict->linesize[2])= c;
1874 if((s->avctx->debug&FF_DEBUG_VIS_MB_TYPE) && pict->motion_val){
1875 int mb_type= pict->mb_type[mb_index];
1878 #define COLOR(theta, r)\
1879 u= (int)(128 + r*cos(theta*3.141592/180));\
1880 v= (int)(128 + r*sin(theta*3.141592/180));
1884 if(IS_PCM(mb_type)){
1886 }else if((IS_INTRA(mb_type) && IS_ACPRED(mb_type)) || IS_INTRA16x16(mb_type)){
1888 }else if(IS_INTRA4x4(mb_type)){
1890 }else if(IS_DIRECT(mb_type) && IS_SKIP(mb_type)){
1892 }else if(IS_DIRECT(mb_type)){
1894 }else if(IS_GMC(mb_type) && IS_SKIP(mb_type)){
1896 }else if(IS_GMC(mb_type)){
1898 }else if(IS_SKIP(mb_type)){
1900 }else if(!USES_LIST(mb_type, 1)){
1902 }else if(!USES_LIST(mb_type, 0)){
1905 assert(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
1909 u*= 0x0101010101010101ULL;
1910 v*= 0x0101010101010101ULL;
1912 *(uint64_t*)(pict->data[1] + 8*mb_x + (8*mb_y + y)*pict->linesize[1])= u;
1913 *(uint64_t*)(pict->data[2] + 8*mb_x + (8*mb_y + y)*pict->linesize[2])= v;
1917 if(IS_8X8(mb_type) || IS_16X8(mb_type)){
1918 *(uint64_t*)(pict->data[0] + 16*mb_x + 0 + (16*mb_y + 8)*pict->linesize[0])^= 0x8080808080808080ULL;
1919 *(uint64_t*)(pict->data[0] + 16*mb_x + 8 + (16*mb_y + 8)*pict->linesize[0])^= 0x8080808080808080ULL;
1921 if(IS_8X8(mb_type) || IS_8X16(mb_type)){
1923 pict->data[0][16*mb_x + 8 + (16*mb_y + y)*pict->linesize[0]]^= 0x80;
1926 if(IS_INTERLACED(mb_type) && s->codec_id == CODEC_ID_H264){
1930 s->mbskip_table[mb_index]=0;
1936 #ifdef CONFIG_ENCODERS
1938 static int get_sae(uint8_t *src, int ref, int stride){
1942 for(y=0; y<16; y++){
1943 for(x=0; x<16; x++){
1944 acc+= ABS(src[x+y*stride] - ref);
1951 static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
1958 for(y=0; y<h; y+=16){
1959 for(x=0; x<w; x+=16){
1960 int offset= x + y*stride;
1961 int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16);
1962 int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
1963 int sae = get_sae(src + offset, mean, stride);
1965 acc+= sae + 500 < sad;
1972 static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
1976 const int encoding_delay= s->max_b_frames;
1981 pic_arg->display_picture_number= s->input_picture_number++;
1983 if(pts != AV_NOPTS_VALUE){
1984 if(s->user_specified_pts != AV_NOPTS_VALUE){
1985 int64_t time= av_rescale(pts, s->avctx->frame_rate, s->avctx->frame_rate_base*(int64_t)AV_TIME_BASE);
1986 int64_t last= av_rescale(s->user_specified_pts, s->avctx->frame_rate, s->avctx->frame_rate_base*(int64_t)AV_TIME_BASE);
1989 av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%Ld, last=%Ld\n", pts, s->user_specified_pts);
1993 s->user_specified_pts= pts;
1995 if(s->user_specified_pts != AV_NOPTS_VALUE){
1996 s->user_specified_pts=
1997 pts= s->user_specified_pts + AV_TIME_BASE*(int64_t)s->avctx->frame_rate_base / s->avctx->frame_rate;
1998 av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%Ld)\n", pts);
2000 pts= av_rescale(pic_arg->display_picture_number*(int64_t)s->avctx->frame_rate_base, AV_TIME_BASE, s->avctx->frame_rate);
2006 if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
2007 if(pic_arg->linesize[0] != s->linesize) direct=0;
2008 if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
2009 if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
2011 // av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
2014 i= ff_find_unused_picture(s, 1);
2016 pic= (AVFrame*)&s->picture[i];
2020 pic->data[i]= pic_arg->data[i];
2021 pic->linesize[i]= pic_arg->linesize[i];
2023 alloc_picture(s, (Picture*)pic, 1);
2026 i= ff_find_unused_picture(s, 0);
2028 pic= (AVFrame*)&s->picture[i];
2031 alloc_picture(s, (Picture*)pic, 0);
2033 if( pic->data[0] + offset == pic_arg->data[0]
2034 && pic->data[1] + offset == pic_arg->data[1]
2035 && pic->data[2] + offset == pic_arg->data[2]){
2038 int h_chroma_shift, v_chroma_shift;
2039 avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
2042 int src_stride= pic_arg->linesize[i];
2043 int dst_stride= i ? s->uvlinesize : s->linesize;
2044 int h_shift= i ? h_chroma_shift : 0;
2045 int v_shift= i ? v_chroma_shift : 0;
2046 int w= s->width >>h_shift;
2047 int h= s->height>>v_shift;
2048 uint8_t *src= pic_arg->data[i];
2049 uint8_t *dst= pic->data[i] + offset;
2051 if(src_stride==dst_stride)
2052 memcpy(dst, src, src_stride*h);
2055 memcpy(dst, src, w);
2063 copy_picture_attributes(s, pic, pic_arg);
2064 pic->pts= pts; //we set this here to avoid modifiying pic_arg
2067 /* shift buffer entries */
2068 for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
2069 s->input_picture[i-1]= s->input_picture[i];
2071 s->input_picture[encoding_delay]= (Picture*)pic;
2076 static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){
2081 for(plane=0; plane<3; plane++){
2082 const int stride= p->linesize[plane];
2083 const int bw= plane ? 1 : 2;
2084 for(y=0; y<s->mb_height*bw; y++){
2085 for(x=0; x<s->mb_width*bw; x++){
2086 int v= s->dsp.frame_skip_cmp[1](s, p->data[plane] + 8*(x + y*stride), ref->data[plane] + 8*(x + y*stride), stride, 8);
2088 switch(s->avctx->frame_skip_exp){
2089 case 0: score= FFMAX(score, v); break;
2090 case 1: score+= ABS(v);break;
2091 case 2: score+= v*v;break;
2092 case 3: score64+= ABS(v*v*(int64_t)v);break;
2093 case 4: score64+= v*v*(int64_t)(v*v);break;
2099 if(score) score64= score;
2101 if(score64 < s->avctx->frame_skip_threshold)
2103 if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8))
2108 static void select_input_picture(MpegEncContext *s){
2111 for(i=1; i<MAX_PICTURE_COUNT; i++)
2112 s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
2113 s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
2115 /* set next picture types & ordering */
2116 if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
2117 if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
2118 s->reordered_input_picture[0]= s->input_picture[0];
2119 s->reordered_input_picture[0]->pict_type= I_TYPE;
2120 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
2124 if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
2125 if(skip_check(s, s->input_picture[0], s->next_picture_ptr)){
2126 //av_log(NULL, AV_LOG_DEBUG, "skip %p %Ld\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
2128 if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
2130 s->input_picture[0]->data[i]= NULL;
2131 s->input_picture[0]->type= 0;
2133 assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
2134 || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
2136 s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
2143 if(s->flags&CODEC_FLAG_PASS2){
2144 for(i=0; i<s->max_b_frames+1; i++){
2145 int pict_num= s->input_picture[0]->display_picture_number + i;
2147 if(pict_num >= s->rc_context.num_entries)
2149 if(!s->input_picture[i]){
2150 s->rc_context.entry[pict_num-1].new_pict_type = P_TYPE;
2154 s->input_picture[i]->pict_type=
2155 s->rc_context.entry[pict_num].new_pict_type;
2159 if(s->avctx->b_frame_strategy==0){
2160 b_frames= s->max_b_frames;
2161 while(b_frames && !s->input_picture[b_frames]) b_frames--;
2162 }else if(s->avctx->b_frame_strategy==1){
2163 for(i=1; i<s->max_b_frames+1; i++){
2164 if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
2165 s->input_picture[i]->b_frame_score=
2166 get_intra_count(s, s->input_picture[i ]->data[0],
2167 s->input_picture[i-1]->data[0], s->linesize) + 1;
2170 for(i=0; i<s->max_b_frames; i++){
2171 if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/40) break;
2174 b_frames= FFMAX(0, i-1);
2177 for(i=0; i<b_frames+1; i++){
2178 s->input_picture[i]->b_frame_score=0;
2181 av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
2186 //static int b_count=0;
2187 //b_count+= b_frames;
2188 //av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
2190 for(i= b_frames - 1; i>=0; i--){
2191 int type= s->input_picture[i]->pict_type;
2192 if(type && type != B_TYPE)
2195 if(s->input_picture[b_frames]->pict_type == B_TYPE && b_frames == s->max_b_frames){
2196 av_log(s->avctx, AV_LOG_ERROR, "warning, too many bframes in a row\n");
2199 if(s->picture_in_gop_number + b_frames >= s->gop_size){
2200 if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
2201 b_frames= s->gop_size - s->picture_in_gop_number - 1;
2203 if(s->flags & CODEC_FLAG_CLOSED_GOP)
2205 s->input_picture[b_frames]->pict_type= I_TYPE;
2209 if( (s->flags & CODEC_FLAG_CLOSED_GOP)
2211 && s->input_picture[b_frames]->pict_type== I_TYPE)
2214 s->reordered_input_picture[0]= s->input_picture[b_frames];
2215 if(s->reordered_input_picture[0]->pict_type != I_TYPE)
2216 s->reordered_input_picture[0]->pict_type= P_TYPE;
2217 s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
2218 for(i=0; i<b_frames; i++){
2219 s->reordered_input_picture[i+1]= s->input_picture[i];
2220 s->reordered_input_picture[i+1]->pict_type= B_TYPE;
2221 s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++;
2226 if(s->reordered_input_picture[0]){
2227 s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=B_TYPE ? 3 : 0;
2229 copy_picture(&s->new_picture, s->reordered_input_picture[0]);
2231 if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
2232 // input is a shared pix, so we cant modifiy it -> alloc a new one & ensure that the shared one is reuseable
2234 int i= ff_find_unused_picture(s, 0);
2235 Picture *pic= &s->picture[i];
2237 /* mark us unused / free shared pic */
2239 s->reordered_input_picture[0]->data[i]= NULL;
2240 s->reordered_input_picture[0]->type= 0;
2242 pic->reference = s->reordered_input_picture[0]->reference;
2244 alloc_picture(s, pic, 0);
2246 copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
2248 s->current_picture_ptr= pic;
2250 // input is not a shared pix -> reuse buffer for current_pix
2252 assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
2253 || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
2255 s->current_picture_ptr= s->reordered_input_picture[0];
2257 s->new_picture.data[i]+=16;
2260 copy_picture(&s->current_picture, s->current_picture_ptr);
2262 s->picture_number= s->new_picture.display_picture_number;
2263 //printf("dpn:%d\n", s->picture_number);
2265 memset(&s->new_picture, 0, sizeof(Picture));
2269 int MPV_encode_picture(AVCodecContext *avctx,
2270 unsigned char *buf, int buf_size, void *data)
2272 MpegEncContext *s = avctx->priv_data;
2273 AVFrame *pic_arg = data;
2274 int i, stuffing_count;
2276 if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUVJ420P){
2277 av_log(avctx, AV_LOG_ERROR, "this codec supports only YUV420P\n");
2281 for(i=0; i<avctx->thread_count; i++){
2282 int start_y= s->thread_context[i]->start_mb_y;
2283 int end_y= s->thread_context[i]-> end_mb_y;
2284 int h= s->mb_height;
2285 uint8_t *start= buf + buf_size*start_y/h;
2286 uint8_t *end = buf + buf_size* end_y/h;
2288 init_put_bits(&s->thread_context[i]->pb, start, end - start);
2291 s->picture_in_gop_number++;
2293 if(load_input_picture(s, pic_arg) < 0)
2296 select_input_picture(s);
2299 if(s->new_picture.data[0]){
2300 s->pict_type= s->new_picture.pict_type;
2302 //printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
2303 MPV_frame_start(s, avctx);
2305 encode_picture(s, s->picture_number);
2307 avctx->real_pict_num = s->picture_number;
2308 avctx->header_bits = s->header_bits;
2309 avctx->mv_bits = s->mv_bits;
2310 avctx->misc_bits = s->misc_bits;
2311 avctx->i_tex_bits = s->i_tex_bits;
2312 avctx->p_tex_bits = s->p_tex_bits;
2313 avctx->i_count = s->i_count;
2314 avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
2315 avctx->skip_count = s->skip_count;
2319 if (s->out_format == FMT_MJPEG)
2320 mjpeg_picture_trailer(s);
2322 if(s->flags&CODEC_FLAG_PASS1)
2323 ff_write_pass1_stats(s);
2326 avctx->error[i] += s->current_picture_ptr->error[i];
2329 if(s->flags&CODEC_FLAG_PASS1)
2330 assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
2331 flush_put_bits(&s->pb);
2332 s->frame_bits = put_bits_count(&s->pb);
2334 stuffing_count= ff_vbv_update(s, s->frame_bits);
2336 if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
2337 av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
2341 switch(s->codec_id){
2342 case CODEC_ID_MPEG1VIDEO:
2343 case CODEC_ID_MPEG2VIDEO:
2344 while(stuffing_count--){
2345 put_bits(&s->pb, 8, 0);
2348 case CODEC_ID_MPEG4:
2349 put_bits(&s->pb, 16, 0);
2350 put_bits(&s->pb, 16, 0x1C3);
2351 stuffing_count -= 4;
2352 while(stuffing_count--){
2353 put_bits(&s->pb, 8, 0xFF);
2357 av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
2359 flush_put_bits(&s->pb);
2360 s->frame_bits = put_bits_count(&s->pb);
2363 /* update mpeg1/2 vbv_delay for CBR */
2364 if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
2365 && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
2368 assert(s->repeat_first_field==0);
2370 vbv_delay= lrintf(90000 * s->rc_context.buffer_index / s->avctx->rc_max_rate);
2371 assert(vbv_delay < 0xFFFF);
2373 s->vbv_delay_ptr[0] &= 0xF8;
2374 s->vbv_delay_ptr[0] |= vbv_delay>>13;
2375 s->vbv_delay_ptr[1] = vbv_delay>>5;
2376 s->vbv_delay_ptr[2] &= 0x07;
2377 s->vbv_delay_ptr[2] |= vbv_delay<<3;
2379 s->total_bits += s->frame_bits;
2380 avctx->frame_bits = s->frame_bits;
2382 assert((pbBufPtr(&s->pb) == s->pb.buf));
2385 assert((s->frame_bits&7)==0);
2387 return s->frame_bits/8;
2390 #endif //CONFIG_ENCODERS
2392 static inline void gmc1_motion(MpegEncContext *s,
2393 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2394 uint8_t **ref_picture)
2397 int offset, src_x, src_y, linesize, uvlinesize;
2398 int motion_x, motion_y;
2401 motion_x= s->sprite_offset[0][0];
2402 motion_y= s->sprite_offset[0][1];
2403 src_x = s->mb_x * 16 + (motion_x >> (s->sprite_warping_accuracy+1));
2404 src_y = s->mb_y * 16 + (motion_y >> (s->sprite_warping_accuracy+1));
2405 motion_x<<=(3-s->sprite_warping_accuracy);
2406 motion_y<<=(3-s->sprite_warping_accuracy);
2407 src_x = clip(src_x, -16, s->width);
2408 if (src_x == s->width)
2410 src_y = clip(src_y, -16, s->height);
2411 if (src_y == s->height)
2414 linesize = s->linesize;
2415 uvlinesize = s->uvlinesize;
2417 ptr = ref_picture[0] + (src_y * linesize) + src_x;
2419 if(s->flags&CODEC_FLAG_EMU_EDGE){
2420 if( (unsigned)src_x >= s->h_edge_pos - 17
2421 || (unsigned)src_y >= s->v_edge_pos - 17){
2422 ff_emulated_edge_mc(s->edge_emu_buffer, ptr, linesize, 17, 17, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
2423 ptr= s->edge_emu_buffer;
2427 if((motion_x|motion_y)&7){
2428 s->dsp.gmc1(dest_y , ptr , linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding);
2429 s->dsp.gmc1(dest_y+8, ptr+8, linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding);
2433 dxy= ((motion_x>>3)&1) | ((motion_y>>2)&2);
2434 if (s->no_rounding){
2435 s->dsp.put_no_rnd_pixels_tab[0][dxy](dest_y, ptr, linesize, 16);
2437 s->dsp.put_pixels_tab [0][dxy](dest_y, ptr, linesize, 16);
2441 if(s->flags&CODEC_FLAG_GRAY) return;
2443 motion_x= s->sprite_offset[1][0];
2444 motion_y= s->sprite_offset[1][1];
2445 src_x = s->mb_x * 8 + (motion_x >> (s->sprite_warping_accuracy+1));
2446 src_y = s->mb_y * 8 + (motion_y >> (s->sprite_warping_accuracy+1));
2447 motion_x<<=(3-s->sprite_warping_accuracy);
2448 motion_y<<=(3-s->sprite_warping_accuracy);
2449 src_x = clip(src_x, -8, s->width>>1);
2450 if (src_x == s->width>>1)
2452 src_y = clip(src_y, -8, s->height>>1);
2453 if (src_y == s->height>>1)
2456 offset = (src_y * uvlinesize) + src_x;
2457 ptr = ref_picture[1] + offset;
2458 if(s->flags&CODEC_FLAG_EMU_EDGE){
2459 if( (unsigned)src_x >= (s->h_edge_pos>>1) - 9
2460 || (unsigned)src_y >= (s->v_edge_pos>>1) - 9){
2461 ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
2462 ptr= s->edge_emu_buffer;
2466 s->dsp.gmc1(dest_cb, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
2468 ptr = ref_picture[2] + offset;
2470 ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
2471 ptr= s->edge_emu_buffer;
2473 s->dsp.gmc1(dest_cr, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
2478 static inline void gmc_motion(MpegEncContext *s,
2479 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2480 uint8_t **ref_picture)
2483 int linesize, uvlinesize;
2484 const int a= s->sprite_warping_accuracy;
2487 linesize = s->linesize;
2488 uvlinesize = s->uvlinesize;
2490 ptr = ref_picture[0];
2492 ox= s->sprite_offset[0][0] + s->sprite_delta[0][0]*s->mb_x*16 + s->sprite_delta[0][1]*s->mb_y*16;
2493 oy= s->sprite_offset[0][1] + s->sprite_delta[1][0]*s->mb_x*16 + s->sprite_delta[1][1]*s->mb_y*16;
2495 s->dsp.gmc(dest_y, ptr, linesize, 16,
2498 s->sprite_delta[0][0], s->sprite_delta[0][1],
2499 s->sprite_delta[1][0], s->sprite_delta[1][1],
2500 a+1, (1<<(2*a+1)) - s->no_rounding,
2501 s->h_edge_pos, s->v_edge_pos);
2502 s->dsp.gmc(dest_y+8, ptr, linesize, 16,
2503 ox + s->sprite_delta[0][0]*8,
2504 oy + s->sprite_delta[1][0]*8,
2505 s->sprite_delta[0][0], s->sprite_delta[0][1],
2506 s->sprite_delta[1][0], s->sprite_delta[1][1],
2507 a+1, (1<<(2*a+1)) - s->no_rounding,
2508 s->h_edge_pos, s->v_edge_pos);
2510 if(s->flags&CODEC_FLAG_GRAY) return;
2512 ox= s->sprite_offset[1][0] + s->sprite_delta[0][0]*s->mb_x*8 + s->sprite_delta[0][1]*s->mb_y*8;
2513 oy= s->sprite_offset[1][1] + s->sprite_delta[1][0]*s->mb_x*8 + s->sprite_delta[1][1]*s->mb_y*8;
2515 ptr = ref_picture[1];
2516 s->dsp.gmc(dest_cb, ptr, uvlinesize, 8,
2519 s->sprite_delta[0][0], s->sprite_delta[0][1],
2520 s->sprite_delta[1][0], s->sprite_delta[1][1],
2521 a+1, (1<<(2*a+1)) - s->no_rounding,
2522 s->h_edge_pos>>1, s->v_edge_pos>>1);
2524 ptr = ref_picture[2];
2525 s->dsp.gmc(dest_cr, ptr, uvlinesize, 8,
2528 s->sprite_delta[0][0], s->sprite_delta[0][1],
2529 s->sprite_delta[1][0], s->sprite_delta[1][1],
2530 a+1, (1<<(2*a+1)) - s->no_rounding,
2531 s->h_edge_pos>>1, s->v_edge_pos>>1);
2535 * Copies a rectangular area of samples to a temporary buffer and replicates the boarder samples.
2536 * @param buf destination buffer
2537 * @param src source buffer
2538 * @param linesize number of bytes between 2 vertically adjacent samples in both the source and destination buffers
2539 * @param block_w width of block
2540 * @param block_h height of block
2541 * @param src_x x coordinate of the top left sample of the block in the source buffer
2542 * @param src_y y coordinate of the top left sample of the block in the source buffer
2543 * @param w width of the source buffer
2544 * @param h height of the source buffer
2546 void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h,
2547 int src_x, int src_y, int w, int h){
2549 int start_y, start_x, end_y, end_x;
2552 src+= (h-1-src_y)*linesize;
2554 }else if(src_y<=-block_h){
2555 src+= (1-block_h-src_y)*linesize;
2561 }else if(src_x<=-block_w){
2562 src+= (1-block_w-src_x);
2566 start_y= FFMAX(0, -src_y);
2567 start_x= FFMAX(0, -src_x);
2568 end_y= FFMIN(block_h, h-src_y);
2569 end_x= FFMIN(block_w, w-src_x);
2571 // copy existing part
2572 for(y=start_y; y<end_y; y++){
2573 for(x=start_x; x<end_x; x++){
2574 buf[x + y*linesize]= src[x + y*linesize];
2579 for(y=0; y<start_y; y++){
2580 for(x=start_x; x<end_x; x++){
2581 buf[x + y*linesize]= buf[x + start_y*linesize];
2586 for(y=end_y; y<block_h; y++){
2587 for(x=start_x; x<end_x; x++){
2588 buf[x + y*linesize]= buf[x + (end_y-1)*linesize];
2592 for(y=0; y<block_h; y++){
2594 for(x=0; x<start_x; x++){
2595 buf[x + y*linesize]= buf[start_x + y*linesize];
2599 for(x=end_x; x<block_w; x++){
2600 buf[x + y*linesize]= buf[end_x - 1 + y*linesize];
2605 static inline int hpel_motion(MpegEncContext *s,
2606 uint8_t *dest, uint8_t *src,
2607 int field_based, int field_select,
2608 int src_x, int src_y,
2609 int width, int height, int stride,
2610 int h_edge_pos, int v_edge_pos,
2611 int w, int h, op_pixels_func *pix_op,
2612 int motion_x, int motion_y)
2617 dxy = ((motion_y & 1) << 1) | (motion_x & 1);
2618 src_x += motion_x >> 1;
2619 src_y += motion_y >> 1;
2621 /* WARNING: do no forget half pels */
2622 src_x = clip(src_x, -16, width); //FIXME unneeded for emu?
2625 src_y = clip(src_y, -16, height);
2626 if (src_y == height)
2628 src += src_y * stride + src_x;
2630 if(s->unrestricted_mv && (s->flags&CODEC_FLAG_EMU_EDGE)){
2631 if( (unsigned)src_x > h_edge_pos - (motion_x&1) - w
2632 || (unsigned)src_y > v_edge_pos - (motion_y&1) - h){
2633 ff_emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, w+1, (h+1)<<field_based,
2634 src_x, src_y<<field_based, h_edge_pos, s->v_edge_pos);
2635 src= s->edge_emu_buffer;
2641 pix_op[dxy](dest, src, stride, h);
2645 static inline int hpel_motion_lowres(MpegEncContext *s,
2646 uint8_t *dest, uint8_t *src,
2647 int field_based, int field_select,
2648 int src_x, int src_y,
2649 int width, int height, int stride,
2650 int h_edge_pos, int v_edge_pos,
2651 int w, int h, h264_chroma_mc_func *pix_op,
2652 int motion_x, int motion_y)
2654 const int lowres= s->avctx->lowres;
2655 const int s_mask= (2<<lowres)-1;
2659 if(s->quarter_sample){
2664 sx= motion_x & s_mask;
2665 sy= motion_y & s_mask;
2666 src_x += motion_x >> (lowres+1);
2667 src_y += motion_y >> (lowres+1);
2669 src += src_y * stride + src_x;
2671 if( (unsigned)src_x > h_edge_pos - (!!sx) - w
2672 || (unsigned)src_y >(v_edge_pos >> field_based) - (!!sy) - h){
2673 ff_emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, w+1, (h+1)<<field_based,
2674 src_x, src_y<<field_based, h_edge_pos, v_edge_pos);
2675 src= s->edge_emu_buffer;
2683 pix_op[lowres](dest, src, stride, h, sx, sy);
2687 /* apply one mpeg motion vector to the three components */
2688 static always_inline void mpeg_motion(MpegEncContext *s,
2689 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2690 int field_based, int bottom_field, int field_select,
2691 uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
2692 int motion_x, int motion_y, int h)
2694 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
2695 int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y, v_edge_pos, uvlinesize, linesize;
2698 if(s->quarter_sample)
2705 v_edge_pos = s->v_edge_pos >> field_based;
2706 linesize = s->current_picture.linesize[0] << field_based;
2707 uvlinesize = s->current_picture.linesize[1] << field_based;
2709 dxy = ((motion_y & 1) << 1) | (motion_x & 1);
2710 src_x = s->mb_x* 16 + (motion_x >> 1);
2711 src_y =(s->mb_y<<(4-field_based)) + (motion_y >> 1);
2713 if (s->out_format == FMT_H263) {
2714 if((s->workaround_bugs & FF_BUG_HPEL_CHROMA) && field_based){
2715 mx = (motion_x>>1)|(motion_x&1);
2717 uvdxy = ((my & 1) << 1) | (mx & 1);
2718 uvsrc_x = s->mb_x* 8 + (mx >> 1);
2719 uvsrc_y = (s->mb_y<<(3-field_based)) + (my >> 1);
2721 uvdxy = dxy | (motion_y & 2) | ((motion_x & 2) >> 1);
2725 }else if(s->out_format == FMT_H261){//even chroma mv's are full pel in H261
2729 uvsrc_x = s->mb_x*8 + mx;
2730 uvsrc_y = s->mb_y*8 + my;
2732 if(s->chroma_y_shift){
2735 uvdxy = ((my & 1) << 1) | (mx & 1);
2736 uvsrc_x = s->mb_x* 8 + (mx >> 1);
2737 uvsrc_y = (s->mb_y<<(3-field_based)) + (my >> 1);
2739 if(s->chroma_x_shift){
2742 uvdxy = ((motion_y & 1) << 1) | (mx & 1);
2743 uvsrc_x = s->mb_x* 8 + (mx >> 1);
2754 ptr_y = ref_picture[0] + src_y * linesize + src_x;
2755 ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
2756 ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
2758 if( (unsigned)src_x > s->h_edge_pos - (motion_x&1) - 16
2759 || (unsigned)src_y > v_edge_pos - (motion_y&1) - h){
2760 if(s->codec_id == CODEC_ID_MPEG2VIDEO ||
2761 s->codec_id == CODEC_ID_MPEG1VIDEO){
2762 av_log(s->avctx,AV_LOG_DEBUG,"MPEG motion vector out of boundary\n");
2765 ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based,
2766 src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
2767 ptr_y = s->edge_emu_buffer;
2768 if(!(s->flags&CODEC_FLAG_GRAY)){
2769 uint8_t *uvbuf= s->edge_emu_buffer+18*s->linesize;
2770 ff_emulated_edge_mc(uvbuf , ptr_cb, s->uvlinesize, 9, 9+field_based,
2771 uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
2772 ff_emulated_edge_mc(uvbuf+16, ptr_cr, s->uvlinesize, 9, 9+field_based,
2773 uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
2779 if(bottom_field){ //FIXME use this for field pix too instead of the obnoxious hack which changes picture.data
2780 dest_y += s->linesize;
2781 dest_cb+= s->uvlinesize;
2782 dest_cr+= s->uvlinesize;
2786 ptr_y += s->linesize;
2787 ptr_cb+= s->uvlinesize;
2788 ptr_cr+= s->uvlinesize;
2791 pix_op[0][dxy](dest_y, ptr_y, linesize, h);
2793 if(!(s->flags&CODEC_FLAG_GRAY)){
2794 pix_op[s->chroma_x_shift][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift);
2795 pix_op[s->chroma_x_shift][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift);
2797 if(s->out_format == FMT_H261){
2798 ff_h261_loop_filter(s);
2802 /* apply one mpeg motion vector to the three components */
2803 static always_inline void mpeg_motion_lowres(MpegEncContext *s,
2804 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2805 int field_based, int bottom_field, int field_select,
2806 uint8_t **ref_picture, h264_chroma_mc_func *pix_op,
2807 int motion_x, int motion_y, int h)
2809 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
2810 int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, uvlinesize, linesize, sx, sy, uvsx, uvsy;
2811 const int lowres= s->avctx->lowres;
2812 const int block_s= 8>>lowres;
2813 const int s_mask= (2<<lowres)-1;
2814 const int h_edge_pos = s->h_edge_pos >> lowres;
2815 const int v_edge_pos = s->v_edge_pos >> lowres;
2816 linesize = s->current_picture.linesize[0] << field_based;
2817 uvlinesize = s->current_picture.linesize[1] << field_based;
2819 if(s->quarter_sample){ //FIXME obviously not perfect but qpel wont work in lowres anyway
2825 motion_y += (bottom_field - field_select)*((1<<lowres)-1);
2828 sx= motion_x & s_mask;
2829 sy= motion_y & s_mask;
2830 src_x = s->mb_x*2*block_s + (motion_x >> (lowres+1));
2831 src_y =(s->mb_y*2*block_s>>field_based) + (motion_y >> (lowres+1));
2833 if (s->out_format == FMT_H263) {
2834 uvsx = ((motion_x>>1) & s_mask) | (sx&1);
2835 uvsy = ((motion_y>>1) & s_mask) | (sy&1);
2838 }else if(s->out_format == FMT_H261){//even chroma mv's are full pel in H261
2841 uvsx = (2*mx) & s_mask;
2842 uvsy = (2*my) & s_mask;
2843 uvsrc_x = s->mb_x*block_s + (mx >> lowres);
2844 uvsrc_y = s->mb_y*block_s + (my >> lowres);
2850 uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1));
2851 uvsrc_y =(s->mb_y*block_s>>field_based) + (my >> (lowres+1));
2854 ptr_y = ref_picture[0] + src_y * linesize + src_x;
2855 ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
2856 ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
2858 if( (unsigned)src_x > h_edge_pos - (!!sx) - 2*block_s
2859 || (unsigned)src_y >(v_edge_pos >> field_based) - (!!sy) - h){
2860 ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based,
2861 src_x, src_y<<field_based, h_edge_pos, v_edge_pos);
2862 ptr_y = s->edge_emu_buffer;
2863 if(!(s->flags&CODEC_FLAG_GRAY)){
2864 uint8_t *uvbuf= s->edge_emu_buffer+18*s->linesize;
2865 ff_emulated_edge_mc(uvbuf , ptr_cb, s->uvlinesize, 9, 9+field_based,
2866 uvsrc_x, uvsrc_y<<field_based, h_edge_pos>>1, v_edge_pos>>1);
2867 ff_emulated_edge_mc(uvbuf+16, ptr_cr, s->uvlinesize, 9, 9+field_based,
2868 uvsrc_x, uvsrc_y<<field_based, h_edge_pos>>1, v_edge_pos>>1);
2874 if(bottom_field){ //FIXME use this for field pix too instead of the obnoxious hack which changes picture.data
2875 dest_y += s->linesize;
2876 dest_cb+= s->uvlinesize;
2877 dest_cr+= s->uvlinesize;
2881 ptr_y += s->linesize;
2882 ptr_cb+= s->uvlinesize;
2883 ptr_cr+= s->uvlinesize;
2888 pix_op[lowres-1](dest_y, ptr_y, linesize, h, sx, sy);
2890 if(!(s->flags&CODEC_FLAG_GRAY)){
2891 uvsx <<= 2 - lowres;
2892 uvsy <<= 2 - lowres;
2893 pix_op[lowres](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy);
2894 pix_op[lowres](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy);
2896 //FIXME h261 lowres loop filter
2899 //FIXME move to dsputil, avg variant, 16x16 version
2900 static inline void put_obmc(uint8_t *dst, uint8_t *src[5], int stride){
2902 uint8_t * const top = src[1];
2903 uint8_t * const left = src[2];
2904 uint8_t * const mid = src[0];
2905 uint8_t * const right = src[3];
2906 uint8_t * const bottom= src[4];
2907 #define OBMC_FILTER(x, t, l, m, r, b)\
2908 dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3
2909 #define OBMC_FILTER4(x, t, l, m, r, b)\
2910 OBMC_FILTER(x , t, l, m, r, b);\
2911 OBMC_FILTER(x+1 , t, l, m, r, b);\
2912 OBMC_FILTER(x +stride, t, l, m, r, b);\
2913 OBMC_FILTER(x+1+stride, t, l, m, r, b);
2916 OBMC_FILTER (x , 2, 2, 4, 0, 0);
2917 OBMC_FILTER (x+1, 2, 1, 5, 0, 0);
2918 OBMC_FILTER4(x+2, 2, 1, 5, 0, 0);
2919 OBMC_FILTER4(x+4, 2, 0, 5, 1, 0);
2920 OBMC_FILTER (x+6, 2, 0, 5, 1, 0);
2921 OBMC_FILTER (x+7, 2, 0, 4, 2, 0);
2923 OBMC_FILTER (x , 1, 2, 5, 0, 0);
2924 OBMC_FILTER (x+1, 1, 2, 5, 0, 0);
2925 OBMC_FILTER (x+6, 1, 0, 5, 2, 0);
2926 OBMC_FILTER (x+7, 1, 0, 5, 2, 0);
2928 OBMC_FILTER4(x , 1, 2, 5, 0, 0);
2929 OBMC_FILTER4(x+2, 1, 1, 6, 0, 0);
2930 OBMC_FILTER4(x+4, 1, 0, 6, 1, 0);
2931 OBMC_FILTER4(x+6, 1, 0, 5, 2, 0);
2933 OBMC_FILTER4(x , 0, 2, 5, 0, 1);
2934 OBMC_FILTER4(x+2, 0, 1, 6, 0, 1);
2935 OBMC_FILTER4(x+4, 0, 0, 6, 1, 1);
2936 OBMC_FILTER4(x+6, 0, 0, 5, 2, 1);
2938 OBMC_FILTER (x , 0, 2, 5, 0, 1);
2939 OBMC_FILTER (x+1, 0, 2, 5, 0, 1);
2940 OBMC_FILTER4(x+2, 0, 1, 5, 0, 2);
2941 OBMC_FILTER4(x+4, 0, 0, 5, 1, 2);
2942 OBMC_FILTER (x+6, 0, 0, 5, 2, 1);
2943 OBMC_FILTER (x+7, 0, 0, 5, 2, 1);
2945 OBMC_FILTER (x , 0, 2, 4, 0, 2);
2946 OBMC_FILTER (x+1, 0, 1, 5, 0, 2);
2947 OBMC_FILTER (x+6, 0, 0, 5, 1, 2);
2948 OBMC_FILTER (x+7, 0, 0, 4, 2, 2);
2951 /* obmc for 1 8x8 luma block */
2952 static inline void obmc_motion(MpegEncContext *s,
2953 uint8_t *dest, uint8_t *src,
2954 int src_x, int src_y,
2955 op_pixels_func *pix_op,
2956 int16_t mv[5][2]/* mid top left right bottom*/)
2962 assert(s->quarter_sample==0);
2965 if(i && mv[i][0]==mv[MID][0] && mv[i][1]==mv[MID][1]){
2968 ptr[i]= s->obmc_scratchpad + 8*(i&1) + s->linesize*8*(i>>1);
2969 hpel_motion(s, ptr[i], src, 0, 0,
2971 s->width, s->height, s->linesize,
2972 s->h_edge_pos, s->v_edge_pos,
2974 mv[i][0], mv[i][1]);
2978 put_obmc(dest, ptr, s->linesize);
2981 static inline void qpel_motion(MpegEncContext *s,
2982 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
2983 int field_based, int bottom_field, int field_select,
2984 uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
2985 qpel_mc_func (*qpix_op)[16],
2986 int motion_x, int motion_y, int h)
2988 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
2989 int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y, v_edge_pos, linesize, uvlinesize;
2991 dxy = ((motion_y & 3) << 2) | (motion_x & 3);
2992 src_x = s->mb_x * 16 + (motion_x >> 2);
2993 src_y = s->mb_y * (16 >> field_based) + (motion_y >> 2);
2995 v_edge_pos = s->v_edge_pos >> field_based;
2996 linesize = s->linesize << field_based;
2997 uvlinesize = s->uvlinesize << field_based;
3002 }else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA2){
3003 static const int rtab[8]= {0,0,1,1,0,0,0,1};
3004 mx= (motion_x>>1) + rtab[motion_x&7];
3005 my= (motion_y>>1) + rtab[motion_y&7];
3006 }else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA){
3007 mx= (motion_x>>1)|(motion_x&1);
3008 my= (motion_y>>1)|(motion_y&1);
3016 uvdxy= (mx&1) | ((my&1)<<1);
3020 uvsrc_x = s->mb_x * 8 + mx;
3021 uvsrc_y = s->mb_y * (8 >> field_based) + my;
3023 ptr_y = ref_picture[0] + src_y * linesize + src_x;
3024 ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
3025 ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
3027 if( (unsigned)src_x > s->h_edge_pos - (motion_x&3) - 16
3028 || (unsigned)src_y > v_edge_pos - (motion_y&3) - h ){
3029 ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based,
3030 src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
3031 ptr_y= s->edge_emu_buffer;
3032 if(!(s->flags&CODEC_FLAG_GRAY)){
3033 uint8_t *uvbuf= s->edge_emu_buffer + 18*s->linesize;
3034 ff_emulated_edge_mc(uvbuf, ptr_cb, s->uvlinesize, 9, 9 + field_based,
3035 uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
3036 ff_emulated_edge_mc(uvbuf + 16, ptr_cr, s->uvlinesize, 9, 9 + field_based,
3037 uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
3044 qpix_op[0][dxy](dest_y, ptr_y, linesize);
3047 dest_y += s->linesize;
3048 dest_cb+= s->uvlinesize;
3049 dest_cr+= s->uvlinesize;
3053 ptr_y += s->linesize;
3054 ptr_cb += s->uvlinesize;
3055 ptr_cr += s->uvlinesize;
3057 //damn interlaced mode
3058 //FIXME boundary mirroring is not exactly correct here
3059 qpix_op[1][dxy](dest_y , ptr_y , linesize);
3060 qpix_op[1][dxy](dest_y+8, ptr_y+8, linesize);
3062 if(!(s->flags&CODEC_FLAG_GRAY)){
3063 pix_op[1][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> 1);
3064 pix_op[1][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> 1);
3068 inline int ff_h263_round_chroma(int x){
3070 return (h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1));
3073 return -(h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1));
3078 * h263 chorma 4mv motion compensation.
3080 static inline void chroma_4mv_motion(MpegEncContext *s,
3081 uint8_t *dest_cb, uint8_t *dest_cr,
3082 uint8_t **ref_picture,
3083 op_pixels_func *pix_op,
3085 int dxy, emu=0, src_x, src_y, offset;
3088 /* In case of 8X8, we construct a single chroma motion vector
3089 with a special rounding */
3090 mx= ff_h263_round_chroma(mx);
3091 my= ff_h263_round_chroma(my);
3093 dxy = ((my & 1) << 1) | (mx & 1);
3097 src_x = s->mb_x * 8 + mx;
3098 src_y = s->mb_y * 8 + my;
3099 src_x = clip(src_x, -8, s->width/2);
3100 if (src_x == s->width/2)
3102 src_y = clip(src_y, -8, s->height/2);
3103 if (src_y == s->height/2)
3106 offset = (src_y * (s->uvlinesize)) + src_x;
3107 ptr = ref_picture[1] + offset;
3108 if(s->flags&CODEC_FLAG_EMU_EDGE){
3109 if( (unsigned)src_x > (s->h_edge_pos>>1) - (dxy &1) - 8
3110 || (unsigned)src_y > (s->v_edge_pos>>1) - (dxy>>1) - 8){
3111 ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
3112 ptr= s->edge_emu_buffer;
3116 pix_op[dxy](dest_cb, ptr, s->uvlinesize, 8);
3118 ptr = ref_picture[2] + offset;
3120 ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
3121 ptr= s->edge_emu_buffer;
3123 pix_op[dxy](dest_cr, ptr, s->uvlinesize, 8);
3126 static inline void chroma_4mv_motion_lowres(MpegEncContext *s,
3127 uint8_t *dest_cb, uint8_t *dest_cr,
3128 uint8_t **ref_picture,
3129 h264_chroma_mc_func *pix_op,
3131 const int lowres= s->avctx->lowres;
3132 const int block_s= 8>>lowres;
3133 const int s_mask= (2<<lowres)-1;
3134 const int h_edge_pos = s->h_edge_pos >> (lowres+1);
3135 const int v_edge_pos = s->v_edge_pos >> (lowres+1);
3136 int emu=0, src_x, src_y, offset, sx, sy;
3139 if(s->quarter_sample){
3144 /* In case of 8X8, we construct a single chroma motion vector
3145 with a special rounding */
3146 mx= ff_h263_round_chroma(mx);
3147 my= ff_h263_round_chroma(my);
3151 src_x = s->mb_x*block_s + (mx >> (lowres+1));
3152 src_y = s->mb_y*block_s + (my >> (lowres+1));
3154 offset = src_y * s->uvlinesize + src_x;
3155 ptr = ref_picture[1] + offset;
3156 if(s->flags&CODEC_FLAG_EMU_EDGE){
3157 if( (unsigned)src_x > h_edge_pos - (!!sx) - block_s
3158 || (unsigned)src_y > v_edge_pos - (!!sy) - block_s){
3159 ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, h_edge_pos, v_edge_pos);
3160 ptr= s->edge_emu_buffer;
3166 pix_op[lowres](dest_cb, ptr, s->uvlinesize, block_s, sx, sy);
3168 ptr = ref_picture[2] + offset;
3170 ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, h_edge_pos, v_edge_pos);
3171 ptr= s->edge_emu_buffer;
3173 pix_op[lowres](dest_cr, ptr, s->uvlinesize, block_s, sx, sy);
3177 * motion compesation of a single macroblock
3179 * @param dest_y luma destination pointer
3180 * @param dest_cb chroma cb/u destination pointer
3181 * @param dest_cr chroma cr/v destination pointer
3182 * @param dir direction (0->forward, 1->backward)
3183 * @param ref_picture array[3] of pointers to the 3 planes of the reference picture
3184 * @param pic_op halfpel motion compensation function (average or put normally)
3185 * @param pic_op qpel motion compensation function (average or put normally)
3186 * the motion vectors are taken from s->mv and the MV type from s->mv_type
3188 static inline void MPV_motion(MpegEncContext *s,
3189 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
3190 int dir, uint8_t **ref_picture,
3191 op_pixels_func (*pix_op)[4], qpel_mc_func (*qpix_op)[16])
3193 int dxy, mx, my, src_x, src_y, motion_x, motion_y;
3195 uint8_t *ptr, *dest;
3200 if(s->obmc && s->pict_type != B_TYPE){
3201 int16_t mv_cache[4][4][2];
3202 const int xy= s->mb_x + s->mb_y*s->mb_stride;
3203 const int mot_stride= s->b8_stride;
3204 const int mot_xy= mb_x*2 + mb_y*2*mot_stride;
3206 assert(!s->mb_skiped);
3208 memcpy(mv_cache[1][1], s->current_picture.motion_val[0][mot_xy ], sizeof(int16_t)*4);
3209 memcpy(mv_cache[2][1], s->current_picture.motion_val[0][mot_xy+mot_stride], sizeof(int16_t)*4);
3210 memcpy(mv_cache[3][1], s->current_picture.motion_val[0][mot_xy+mot_stride], sizeof(int16_t)*4);
3212 if(mb_y==0 || IS_INTRA(s->current_picture.mb_type[xy-s->mb_stride])){
3213 memcpy(mv_cache[0][1], mv_cache[1][1], sizeof(int16_t)*4);
3215 memcpy(mv_cache[0][1], s->current_picture.motion_val[0][mot_xy-mot_stride], sizeof(int16_t)*4);
3218 if(mb_x==0 || IS_INTRA(s->current_picture.mb_type[xy-1])){
3219 *(int32_t*)mv_cache[1][0]= *(int32_t*)mv_cache[1][1];
3220 *(int32_t*)mv_cache[2][0]= *(int32_t*)mv_cache[2][1];
3222 *(int32_t*)mv_cache[1][0]= *(int32_t*)s->current_picture.motion_val[0][mot_xy-1];
3223 *(int32_t*)mv_cache[2][0]= *(int32_t*)s->current_picture.motion_val[0][mot_xy-1+mot_stride];
3226 if(mb_x+1>=s->mb_width || IS_INTRA(s->current_picture.mb_type[xy+1])){
3227 *(int32_t*)mv_cache[1][3]= *(int32_t*)mv_cache[1][2];
3228 *(int32_t*)mv_cache[2][3]= *(int32_t*)mv_cache[2][2];
3230 *(int32_t*)mv_cache[1][3]= *(int32_t*)s->current_picture.motion_val[0][mot_xy+2];
3231 *(int32_t*)mv_cache[2][3]= *(int32_t*)s->current_picture.motion_val[0][mot_xy+2+mot_stride];
3237 const int x= (i&1)+1;
3238 const int y= (i>>1)+1;
3240 {mv_cache[y][x ][0], mv_cache[y][x ][1]},
3241 {mv_cache[y-1][x][0], mv_cache[y-1][x][1]},
3242 {mv_cache[y][x-1][0], mv_cache[y][x-1][1]},
3243 {mv_cache[y][x+1][0], mv_cache[y][x+1][1]},
3244 {mv_cache[y+1][x][0], mv_cache[y+1][x][1]}};
3246 obmc_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
3248 mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8,
3255 if(!(s->flags&CODEC_FLAG_GRAY))
3256 chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
3261 switch(s->mv_type) {
3264 if(s->real_sprite_warping_points==1){
3265 gmc1_motion(s, dest_y, dest_cb, dest_cr,
3268 gmc_motion(s, dest_y, dest_cb, dest_cr,
3271 }else if(s->quarter_sample){
3272 qpel_motion(s, dest_y, dest_cb, dest_cr,
3274 ref_picture, pix_op, qpix_op,
3275 s->mv[dir][0][0], s->mv[dir][0][1], 16);
3277 ff_mspel_motion(s, dest_y, dest_cb, dest_cr,
3278 ref_picture, pix_op,
3279 s->mv[dir][0][0], s->mv[dir][0][1], 16);
3282 mpeg_motion(s, dest_y, dest_cb, dest_cr,
3284 ref_picture, pix_op,
3285 s->mv[dir][0][0], s->mv[dir][0][1], 16);
3291 if(s->quarter_sample){
3293 motion_x = s->mv[dir][i][0];
3294 motion_y = s->mv[dir][i][1];
3296 dxy = ((motion_y & 3) << 2) | (motion_x & 3);
3297 src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8;
3298 src_y = mb_y * 16 + (motion_y >> 2) + (i >>1) * 8;
3300 /* WARNING: do no forget half pels */
3301 src_x = clip(src_x, -16, s->width);
3302 if (src_x == s->width)
3304 src_y = clip(src_y, -16, s->height);
3305 if (src_y == s->height)
3308 ptr = ref_picture[0] + (src_y * s->linesize) + (src_x);
3309 if(s->flags&CODEC_FLAG_EMU_EDGE){
3310 if( (unsigned)src_x > s->h_edge_pos - (motion_x&3) - 8
3311 || (unsigned)src_y > s->v_edge_pos - (motion_y&3) - 8 ){
3312 ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
3313 ptr= s->edge_emu_buffer;
3316 dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize;
3317 qpix_op[1][dxy](dest, ptr, s->linesize);
3319 mx += s->mv[dir][i][0]/2;
3320 my += s->mv[dir][i][1]/2;
3324 hpel_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
3325 ref_picture[0], 0, 0,
3326 mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8,
3327 s->width, s->height, s->linesize,
3328 s->h_edge_pos, s->v_edge_pos,
3330 s->mv[dir][i][0], s->mv[dir][i][1]);
3332 mx += s->mv[dir][i][0];
3333 my += s->mv[dir][i][1];
3337 if(!(s->flags&CODEC_FLAG_GRAY))
3338 chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
3341 if (s->picture_structure == PICT_FRAME) {
3342 if(s->quarter_sample){
3344 qpel_motion(s, dest_y, dest_cb, dest_cr,
3345 1, i, s->field_select[dir][i],
3346 ref_picture, pix_op, qpix_op,
3347 s->mv[dir][i][0], s->mv[dir][i][1], 8);
3351 mpeg_motion(s, dest_y, dest_cb, dest_cr,
3352 1, 0, s->field_select[dir][0],
3353 ref_picture, pix_op,
3354 s->mv[dir][0][0], s->mv[dir][0][1], 8);
3356 mpeg_motion(s, dest_y, dest_cb, dest_cr,
3357 1, 1, s->field_select[dir][1],
3358 ref_picture, pix_op,
3359 s->mv[dir][1][0], s->mv[dir][1][1], 8);
3362 if(s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != B_TYPE && !s->first_field){
3363 ref_picture= s->current_picture_ptr->data;
3366 mpeg_motion(s, dest_y, dest_cb, dest_cr,
3367 0, 0, s->field_select[dir][0],
3368 ref_picture, pix_op,
3369 s->mv[dir][0][0], s->mv[dir][0][1], 16);
3374 uint8_t ** ref2picture;
3376 if(s->picture_structure == s->field_select[dir][i] + 1 || s->pict_type == B_TYPE || s->first_field){
3377 ref2picture= ref_picture;
3379 ref2picture= s->current_picture_ptr->data;
3382 mpeg_motion(s, dest_y, dest_cb, dest_cr,
3383 0, 0, s->field_select[dir][i],
3384 ref2picture, pix_op,
3385 s->mv[dir][i][0], s->mv[dir][i][1] + 16*i, 8);
3387 dest_y += 16*s->linesize;
3388 dest_cb+= (16>>s->chroma_y_shift)*s->uvlinesize;
3389 dest_cr+= (16>>s->chroma_y_shift)*s->uvlinesize;
3393 if(s->picture_structure == PICT_FRAME){
3397 mpeg_motion(s, dest_y, dest_cb, dest_cr,
3399 ref_picture, pix_op,
3400 s->mv[dir][2*i + j][0], s->mv[dir][2*i + j][1], 8);
3402 pix_op = s->dsp.avg_pixels_tab;
3406 mpeg_motion(s, dest_y, dest_cb, dest_cr,
3407 0, 0, s->picture_structure != i+1,
3408 ref_picture, pix_op,
3409 s->mv[dir][2*i][0],s->mv[dir][2*i][1],16);
3411 // after put we make avg of the same block
3412 pix_op=s->dsp.avg_pixels_tab;
3414 //opposite parity is always in the same frame if this is second field
3415 if(!s->first_field){
3416 ref_picture = s->current_picture_ptr->data;
3426 * motion compesation of a single macroblock
3428 * @param dest_y luma destination pointer
3429 * @param dest_cb chroma cb/u destination pointer
3430 * @param dest_cr chroma cr/v destination pointer
3431 * @param dir direction (0->forward, 1->backward)
3432 * @param ref_picture array[3] of pointers to the 3 planes of the reference picture
3433 * @param pic_op halfpel motion compensation function (average or put normally)
3434 * the motion vectors are taken from s->mv and the MV type from s->mv_type
3436 static inline void MPV_motion_lowres(MpegEncContext *s,
3437 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
3438 int dir, uint8_t **ref_picture,
3439 h264_chroma_mc_func *pix_op)
3443 const int lowres= s->avctx->lowres;
3444 const int block_s= 8>>lowres;
3449 switch(s->mv_type) {
3451 mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
3453 ref_picture, pix_op,
3454 s->mv[dir][0][0], s->mv[dir][0][1], 2*block_s);
3460 hpel_motion_lowres(s, dest_y + ((i & 1) + (i >> 1) * s->linesize)*block_s,
3461 ref_picture[0], 0, 0,
3462 (2*mb_x + (i & 1))*block_s, (2*mb_y + (i >>1))*block_s,
3463 s->width, s->height, s->linesize,
3464 s->h_edge_pos >> lowres, s->v_edge_pos >> lowres,
3465 block_s, block_s, pix_op,
3466 s->mv[dir][i][0], s->mv[dir][i][1]);
3468 mx += s->mv[dir][i][0];
3469 my += s->mv[dir][i][1];
3472 if(!(s->flags&CODEC_FLAG_GRAY))
3473 chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture, pix_op, mx, my);
3476 if (s->picture_structure == PICT_FRAME) {
3478 mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
3479 1, 0, s->field_select[dir][0],
3480 ref_picture, pix_op,
3481 s->mv[dir][0][0], s->mv[dir][0][1], block_s);
3483 mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
3484 1, 1, s->field_select[dir][1],
3485 ref_picture, pix_op,
3486 s->mv[dir][1][0], s->mv[dir][1][1], block_s);
3488 if(s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != B_TYPE && !s->first_field){
3489 ref_picture= s->current_picture_ptr->data;
3492 mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
3493 0, 0, s->field_select[dir][0],
3494 ref_picture, pix_op,
3495 s->mv[dir][0][0], s->mv[dir][0][1], 2*block_s);
3500 uint8_t ** ref2picture;
3502 if(s->picture_structure == s->field_select[dir][i] + 1 || s->pict_type == B_TYPE || s->first_field){
3503 ref2picture= ref_picture;
3505 ref2picture= s->current_picture_ptr->data;
3508 mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
3509 0, 0, s->field_select[dir][i],
3510 ref2picture, pix_op,
3511 s->mv[dir][i][0], s->mv[dir][i][1] + 2*block_s*i, block_s);
3513 dest_y += 2*block_s*s->linesize;
3514 dest_cb+= (2*block_s>>s->chroma_y_shift)*s->uvlinesize;
3515 dest_cr+= (2*block_s>>s->chroma_y_shift)*s->uvlinesize;
3519 if(s->picture_structure == PICT_FRAME){
3523 mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
3525 ref_picture, pix_op,
3526 s->mv[dir][2*i + j][0], s->mv[dir][2*i + j][1], block_s);
3528 pix_op = s->dsp.avg_h264_chroma_pixels_tab;
3532 mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
3533 0, 0, s->picture_structure != i+1,
3534 ref_picture, pix_op,
3535 s->mv[dir][2*i][0],s->mv[dir][2*i][1],2*block_s);
3537 // after put we make avg of the same block
3538 pix_op = s->dsp.avg_h264_chroma_pixels_tab;
3540 //opposite parity is always in the same frame if this is second field
3541 if(!s->first_field){
3542 ref_picture = s->current_picture_ptr->data;
3551 /* put block[] to dest[] */
3552 static inline void put_dct(MpegEncContext *s,
3553 DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale)
3555 s->dct_unquantize_intra(s, block, i, qscale);
3556 s->dsp.idct_put (dest, line_size, block);
3559 /* add block[] to dest[] */
3560 static inline void add_dct(MpegEncContext *s,
3561 DCTELEM *block, int i, uint8_t *dest, int line_size)
3563 if (s->block_last_index[i] >= 0) {
3564 s->dsp.idct_add (dest, line_size, block);
3568 static inline void add_dequant_dct(MpegEncContext *s,
3569 DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale)
3571 if (s->block_last_index[i] >= 0) {
3572 s->dct_unquantize_inter(s, block, i, qscale);
3574 s->dsp.idct_add (dest, line_size, block);
3579 * cleans dc, ac, coded_block for the current non intra MB
3581 void ff_clean_intra_table_entries(MpegEncContext *s)
3583 int wrap = s->b8_stride;
3584 int xy = s->block_index[0];
3587 s->dc_val[0][xy + 1 ] =
3588 s->dc_val[0][xy + wrap] =
3589 s->dc_val[0][xy + 1 + wrap] = 1024;
3591 memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t));
3592 memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t));
3593 if (s->msmpeg4_version>=3) {
3594 s->coded_block[xy ] =
3595 s->coded_block[xy + 1 ] =
3596 s->coded_block[xy + wrap] =
3597 s->coded_block[xy + 1 + wrap] = 0;
3600 wrap = s->mb_stride;
3601 xy = s->mb_x + s->mb_y * wrap;
3603 s->dc_val[2][xy] = 1024;
3605 memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t));
3606 memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t));
3608 s->mbintra_table[xy]= 0;
3611 /* generic function called after a macroblock has been parsed by the
3612 decoder or after it has been encoded by the encoder.
3614 Important variables used:
3615 s->mb_intra : true if intra macroblock
3616 s->mv_dir : motion vector direction
3617 s->mv_type : motion vector type
3618 s->mv : motion vector
3619 s->interlaced_dct : true if interlaced dct used (mpeg2)
3621 static always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64], int lowres_flag)
3624 const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
3626 if(s->avctx->xvmc_acceleration){
3627 XVMC_decode_mb(s);//xvmc uses pblocks
3635 if(s->avctx->debug&FF_DEBUG_DCT_COEFF) {
3636 /* save DCT coefficients */
3638 DCTELEM *dct = &s->current_picture.dct_coeff[mb_xy*64*6];
3641 *dct++ = block[i][s->dsp.idct_permutation[j]];
3644 s->current_picture.qscale_table[mb_xy]= s->qscale;
3646 /* update DC predictors for P macroblocks */
3648 if (s->h263_pred || s->h263_aic) {
3649 if(s->mbintra_table[mb_xy])
3650 ff_clean_intra_table_entries(s);
3654 s->last_dc[2] = 128 << s->intra_dc_precision;
3657 else if (s->h263_pred || s->h263_aic)
3658 s->mbintra_table[mb_xy]=1;
3660 if ((s->flags&CODEC_FLAG_PSNR) || !(s->encoding && (s->intra_only || s->pict_type==B_TYPE))) { //FIXME precalc
3661 uint8_t *dest_y, *dest_cb, *dest_cr;
3662 int dct_linesize, dct_offset;
3663 op_pixels_func (*op_pix)[4];
3664 qpel_mc_func (*op_qpix)[16];
3665 const int linesize= s->current_picture.linesize[0]; //not s->linesize as this woulnd be wrong for field pics
3666 const int uvlinesize= s->current_picture.linesize[1];
3667 const int readable= s->pict_type != B_TYPE || s->encoding || s->avctx->draw_horiz_band || lowres_flag;
3668 const int block_size= lowres_flag ? 8>>s->avctx->lowres : 8;
3670 /* avoid copy if macroblock skipped in last frame too */
3671 /* skip only during decoding as we might trash the buffers during encoding a bit */
3673 uint8_t *mbskip_ptr = &s->mbskip_table[mb_xy];
3674 const int age= s->current_picture.age;
3680 assert(s->pict_type!=I_TYPE);
3682 (*mbskip_ptr) ++; /* indicate that this time we skiped it */
3683 if(*mbskip_ptr >99) *mbskip_ptr= 99;
3685 /* if previous was skipped too, then nothing to do ! */
3686 if (*mbskip_ptr >= age && s->current_picture.reference){
3689 } else if(!s->current_picture.reference){
3690 (*mbskip_ptr) ++; /* increase counter so the age can be compared cleanly */
3691 if(*mbskip_ptr >99) *mbskip_ptr= 99;
3693 *mbskip_ptr = 0; /* not skipped */
3697 dct_linesize = linesize << s->interlaced_dct;
3698 dct_offset =(s->interlaced_dct)? linesize : linesize*block_size;
3702 dest_cb= s->dest[1];
3703 dest_cr= s->dest[2];
3705 dest_y = s->b_scratchpad;
3706 dest_cb= s->b_scratchpad+16*linesize;
3707 dest_cr= s->b_scratchpad+32*linesize;
3711 /* motion handling */
3712 /* decoding or more than one mb_type (MC was allready done otherwise) */
3715 h264_chroma_mc_func *op_pix = s->dsp.put_h264_chroma_pixels_tab;
3717 if (s->mv_dir & MV_DIR_FORWARD) {
3718 MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix);
3719 op_pix = s->dsp.avg_h264_chroma_pixels_tab;
3721 if (s->mv_dir & MV_DIR_BACKWARD) {
3722 MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix);
3725 if ((!s->no_rounding) || s->pict_type==B_TYPE){
3726 op_pix = s->dsp.put_pixels_tab;
3727 op_qpix= s->dsp.put_qpel_pixels_tab;
3729 op_pix = s->dsp.put_no_rnd_pixels_tab;
3730 op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
3732 if (s->mv_dir & MV_DIR_FORWARD) {
3733 MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
3734 op_pix = s->dsp.avg_pixels_tab;
3735 op_qpix= s->dsp.avg_qpel_pixels_tab;
3737 if (s->mv_dir & MV_DIR_BACKWARD) {
3738 MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
3743 /* skip dequant / idct if we are really late ;) */
3744 if(s->hurry_up>1) return;
3746 /* add dct residue */
3747 if(s->encoding || !( s->h263_msmpeg4 || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO
3748 || (s->codec_id==CODEC_ID_MPEG4 && !s->mpeg_quant))){
3749 add_dequant_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale);
3750 add_dequant_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale);
3751 add_dequant_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale);
3752 add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
3754 if(!(s->flags&CODEC_FLAG_GRAY)){
3755 add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
3756 add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
3758 } else if(s->codec_id != CODEC_ID_WMV2){
3759 add_dct(s, block[0], 0, dest_y , dct_linesize);
3760 add_dct(s, block[1], 1, dest_y + block_size, dct_linesize);
3761 add_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize);
3762 add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize);
3764 if(!(s->flags&CODEC_FLAG_GRAY)){
3765 if(s->chroma_y_shift){//Chroma420
3766 add_dct(s, block[4], 4, dest_cb, uvlinesize);
3767 add_dct(s, block[5], 5, dest_cr, uvlinesize);
3770 dct_linesize = uvlinesize << s->interlaced_dct;
3771 dct_offset =(s->interlaced_dct)? uvlinesize : uvlinesize*8;
3773 add_dct(s, block[4], 4, dest_cb, dct_linesize);
3774 add_dct(s, block[5], 5, dest_cr, dct_linesize);
3775 add_dct(s, block[6], 6, dest_cb+dct_offset, dct_linesize);
3776 add_dct(s, block[7], 7, dest_cr+dct_offset, dct_linesize);
3777 if(!s->chroma_x_shift){//Chroma444
3778 add_dct(s, block[8], 8, dest_cb+8, dct_linesize);
3779 add_dct(s, block[9], 9, dest_cr+8, dct_linesize);
3780 add_dct(s, block[10], 10, dest_cb+8+dct_offset, dct_linesize);
3781 add_dct(s, block[11], 11, dest_cr+8+dct_offset, dct_linesize);
3787 ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr);
3790 /* dct only in intra block */
3791 if(s->encoding || !(s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO)){
3792 put_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale);
3793 put_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale);
3794 put_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale);
3795 put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
3797 if(!(s->flags&CODEC_FLAG_GRAY)){
3798 put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
3799 put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
3802 s->dsp.idct_put(dest_y , dct_linesize, block[0]);
3803 s->dsp.idct_put(dest_y + block_size, dct_linesize, block[1]);
3804 s->dsp.idct_put(dest_y + dct_offset , dct_linesize, block[2]);
3805 s->dsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]);
3807 if(!(s->flags&CODEC_FLAG_GRAY)){
3808 if(s->chroma_y_shift){
3809 s->dsp.idct_put(dest_cb, uvlinesize, block[4]);
3810 s->dsp.idct_put(dest_cr, uvlinesize, block[5]);
3813 dct_linesize = uvlinesize << s->interlaced_dct;
3814 dct_offset =(s->interlaced_dct)? uvlinesize : uvlinesize*8;
3816 s->dsp.idct_put(dest_cb, dct_linesize, block[4]);
3817 s->dsp.idct_put(dest_cr, dct_linesize, block[5]);
3818 s->dsp.idct_put(dest_cb + dct_offset, dct_linesize, block[6]);
3819 s->dsp.idct_put(dest_cr + dct_offset, dct_linesize, block[7]);
3820 if(!s->chroma_x_shift){//Chroma444
3821 s->dsp.idct_put(dest_cb + 8, dct_linesize, block[8]);
3822 s->dsp.idct_put(dest_cr + 8, dct_linesize, block[9]);
3823 s->dsp.idct_put(dest_cb + 8 + dct_offset, dct_linesize, block[10]);
3824 s->dsp.idct_put(dest_cr + 8 + dct_offset, dct_linesize, block[11]);
3831 s->dsp.put_pixels_tab[0][0](s->dest[0], dest_y , linesize,16);
3832 s->dsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[1], dest_cb, uvlinesize,16 >> s->chroma_y_shift);
3833 s->dsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[2], dest_cr, uvlinesize,16 >> s->chroma_y_shift);
3838 void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]){
3839 if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1);
3840 else MPV_decode_mb_internal(s, block, 0);
3843 #ifdef CONFIG_ENCODERS
3845 static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
3847 static const char tab[64]=
3859 DCTELEM *block= s->block[n];
3860 const int last_index= s->block_last_index[n];
3865 threshold= -threshold;
3869 /* are all which we could set to zero are allready zero? */
3870 if(last_index<=skip_dc - 1) return;
3872 for(i=0; i<=last_index; i++){
3873 const int j = s->intra_scantable.permutated[i];
3874 const int level = ABS(block[j]);
3876 if(skip_dc && i==0) continue;
3885 if(score >= threshold) return;
3886 for(i=skip_dc; i<=last_index; i++){
3887 const int j = s->intra_scantable.permutated[i];
3890 if(block[0]) s->block_last_index[n]= 0;
3891 else s->block_last_index[n]= -1;
3894 static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
3897 const int maxlevel= s->max_qcoeff;
3898 const int minlevel= s->min_qcoeff;
3902 i=1; //skip clipping of intra dc
3906 for(;i<=last_index; i++){
3907 const int j= s->intra_scantable.permutated[i];
3908 int level = block[j];
3910 if (level>maxlevel){
3913 }else if(level<minlevel){
3921 if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
3922 av_log(s->avctx, AV_LOG_INFO, "warning, cliping %d dct coefficents to %d..%d\n", overflow, minlevel, maxlevel);
3925 #endif //CONFIG_ENCODERS
3929 * @param h is the normal height, this will be reduced automatically if needed for the last row
3931 void ff_draw_horiz_band(MpegEncContext *s, int y, int h){
3932 if (s->avctx->draw_horiz_band) {
3936 if(s->picture_structure != PICT_FRAME){
3939 if(s->first_field && !(s->avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)) return;
3942 h= FFMIN(h, s->avctx->height - y);
3944 if(s->pict_type==B_TYPE || s->low_delay || (s->avctx->slice_flags&SLICE_FLAG_CODED_ORDER))
3945 src= (AVFrame*)s->current_picture_ptr;
3946 else if(s->last_picture_ptr)
3947 src= (AVFrame*)s->last_picture_ptr;
3951 if(s->pict_type==B_TYPE && s->picture_structure == PICT_FRAME && s->out_format != FMT_H264){
3957 offset[0]= y * s->linesize;;
3959 offset[2]= (y >> s->chroma_y_shift) * s->uvlinesize;
3965 s->avctx->draw_horiz_band(s->avctx, src, offset,
3966 y, s->picture_structure, h);
3970 void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename
3971 const int linesize= s->current_picture.linesize[0]; //not s->linesize as this woulnd be wrong for field pics
3972 const int uvlinesize= s->current_picture.linesize[1];
3973 const int mb_size= 4 - s->avctx->lowres;
3975 s->block_index[0]= s->b8_stride*(s->mb_y*2 ) - 2 + s->mb_x*2;
3976 s->block_index[1]= s->b8_stride*(s->mb_y*2 ) - 1 + s->mb_x*2;
3977 s->block_index[2]= s->b8_stride*(s->mb_y*2 + 1) - 2 + s->mb_x*2;
3978 s->block_index[3]= s->b8_stride*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
3979 s->block_index[4]= s->mb_stride*(s->mb_y + 1) + s->b8_stride*s->mb_height*2 + s->mb_x - 1;
3980 s->block_index[5]= s->mb_stride*(s->mb_y + s->mb_height + 2) + s->b8_stride*s->mb_height*2 + s->mb_x - 1;
3981 //block_index is not used by mpeg2, so it is not affected by chroma_format
3983 s->dest[0] = s->current_picture.data[0] + ((s->mb_x - 1) << mb_size);
3984 s->dest[1] = s->current_picture.data[1] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift));
3985 s->dest[2] = s->current_picture.data[2] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift));
3987 if(!(s->pict_type==B_TYPE && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME))
3989 s->dest[0] += s->mb_y * linesize << mb_size;
3990 s->dest[1] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift);
3991 s->dest[2] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift);
3995 #ifdef CONFIG_ENCODERS
3997 static void get_vissual_weight(int16_t *weight, uint8_t *ptr, int stride){
4007 for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
4008 for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
4009 int v= ptr[x2 + y2*stride];
4015 weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
4020 static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
4022 int16_t weight[6][64];
4023 DCTELEM orig[6][64];
4024 const int mb_x= s->mb_x;
4025 const int mb_y= s->mb_y;
4028 int dct_offset = s->linesize*8; //default for progressive frames
4029 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
4032 for(i=0; i<6; i++) skip_dct[i]=0;
4034 if(s->adaptive_quant){
4035 const int last_qp= s->qscale;
4036 const int mb_xy= mb_x + mb_y*s->mb_stride;
4038 s->lambda= s->lambda_table[mb_xy];