+static void encode_picture(MpegEncContext *s, int picture_number)
+{
+ int i, j;
+ int bits;
+
+ s->picture_number = picture_number;
+
+ /* Reset the average MB variance */
+ s->mb_var_sum_temp =
+ s->mc_mb_var_sum_temp = 0;
+
+#ifdef CONFIG_RISKY
+ /* we need to initialize some time vars before we can encode b-frames */
+ // RAL: Condition added for MPEG1VIDEO
+ if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
+ ff_set_mpeg4_time(s, s->picture_number); //FIXME rename and use has_b_frames or similar
+#endif
+
+ s->scene_change_score=0;
+
+ s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME ratedistoration
+
+ if(s->pict_type==I_TYPE){
+ if(s->msmpeg4_version >= 3) s->no_rounding=1;
+ else s->no_rounding=0;
+ }else if(s->pict_type!=B_TYPE){
+ if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
+ s->no_rounding ^= 1;
+ }
+
+ s->mb_intra=0; //for the rate distoration & bit compare functions
+ for(i=1; i<s->avctx->thread_count; i++){
+ ff_update_duplicate_context(s->thread_context[i], s);
+ }
+
+ /* Estimate motion for every MB */
+ if(s->pict_type != I_TYPE){
+ if(s->pict_type != B_TYPE){
+ if((s->avctx->pre_me && s->last_non_b_pict_type==I_TYPE) || s->avctx->pre_me==2){
+ s->avctx->execute(s->avctx, pre_estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
+ }
+ }
+
+ s->avctx->execute(s->avctx, estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
+ }else /* if(s->pict_type == I_TYPE) */{
+ /* I-Frame */
+ for(i=0; i<s->mb_stride*s->mb_height; i++)
+ s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
+
+ if(!s->fixed_qscale){
+ /* finding spatial complexity for I-frame rate control */
+ s->avctx->execute(s->avctx, mb_var_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
+ }
+ }
+ for(i=1; i<s->avctx->thread_count; i++){
+ merge_context_after_me(s, s->thread_context[i]);
+ }
+ s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->mc_mb_var_sum_temp;
+ s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s-> mb_var_sum_temp;
+ emms_c();
+
+ if(s->scene_change_score > s->avctx->scenechange_threshold && s->pict_type == P_TYPE){
+ s->pict_type= I_TYPE;
+ for(i=0; i<s->mb_stride*s->mb_height; i++)
+ s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
+//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
+ }
+
+ if(!s->umvplus){
+ if(s->pict_type==P_TYPE || s->pict_type==S_TYPE) {
+ s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
+
+ if(s->flags & CODEC_FLAG_INTERLACED_ME){
+ int a,b;
+ a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
+ b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
+ s->f_code= FFMAX(s->f_code, FFMAX(a,b));
+ }
+
+ ff_fix_long_p_mvs(s);
+ ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
+ if(s->flags & CODEC_FLAG_INTERLACED_ME){
+ for(i=0; i<2; i++){
+ for(j=0; j<2; j++)
+ ff_fix_long_mvs(s, s->p_field_select_table[i], j,
+ s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
+ }
+ }
+ }
+
+ if(s->pict_type==B_TYPE){
+ int a, b;
+
+ a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
+ b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
+ s->f_code = FFMAX(a, b);
+
+ a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
+ b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
+ s->b_code = FFMAX(a, b);
+
+ ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
+ ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
+ ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
+ ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
+ if(s->flags & CODEC_FLAG_INTERLACED_ME){
+ int dir;
+ for(dir=0; dir<2; dir++){
+ for(i=0; i<2; i++){
+ for(j=0; j<2; j++){
+ int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
+ : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
+ ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
+ s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (!s->fixed_qscale)
+ s->current_picture.quality = ff_rate_estimate_qscale(s); //FIXME pic_ptr
+
+ if(s->adaptive_quant){
+#ifdef CONFIG_RISKY
+ switch(s->codec_id){
+ case CODEC_ID_MPEG4:
+ ff_clean_mpeg4_qscales(s);
+ break;
+ case CODEC_ID_H263:
+ case CODEC_ID_H263P:
+ case CODEC_ID_FLV1:
+ ff_clean_h263_qscales(s);
+ break;
+ }
+#endif
+
+ s->lambda= s->lambda_table[0];
+ //FIXME broken
+ }else
+ s->lambda= s->current_picture.quality;
+//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
+ update_qscale(s);
+
+ if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==I_TYPE && !(s->flags & CODEC_FLAG_QSCALE))
+ s->qscale= 3; //reduce cliping problems
+
+ if (s->out_format == FMT_MJPEG) {
+ /* for mjpeg, we do include qscale in the matrix */
+ s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0];
+ for(i=1;i<64;i++){
+ int j= s->dsp.idct_permutation[i];
+
+ s->intra_matrix[j] = CLAMP_TO_8BIT((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
+ }
+ convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
+ s->intra_matrix, s->intra_quant_bias, 8, 8);
+ s->qscale= 8;
+ }
+
+ //FIXME var duplication
+ s->current_picture.key_frame= s->pict_type == I_TYPE; //FIXME pic_ptr
+ s->current_picture.pict_type= s->pict_type;
+
+ if(s->current_picture.key_frame)
+ s->picture_in_gop_number=0;
+
+ s->last_bits= put_bits_count(&s->pb);
+ switch(s->out_format) {
+ case FMT_MJPEG:
+ mjpeg_picture_header(s);
+ break;
+#ifdef CONFIG_RISKY
+ case FMT_H263:
+ if (s->codec_id == CODEC_ID_WMV2)
+ ff_wmv2_encode_picture_header(s, picture_number);
+ else if (s->h263_msmpeg4)
+ msmpeg4_encode_picture_header(s, picture_number);
+ else if (s->h263_pred)
+ mpeg4_encode_picture_header(s, picture_number);
+ else if (s->codec_id == CODEC_ID_RV10)
+ rv10_encode_picture_header(s, picture_number);
+ else if (s->codec_id == CODEC_ID_FLV1)
+ ff_flv_encode_picture_header(s, picture_number);
+ else
+ h263_encode_picture_header(s, picture_number);
+ break;
+#endif
+ case FMT_MPEG1:
+ mpeg1_encode_picture_header(s, picture_number);
+ break;
+ case FMT_H264:
+ break;
+ default:
+ assert(0);
+ }
+ bits= put_bits_count(&s->pb);
+ s->header_bits= bits - s->last_bits;
+
+ for(i=1; i<s->avctx->thread_count; i++){
+ update_duplicate_context_after_me(s->thread_context[i], s);
+ }
+ s->avctx->execute(s->avctx, encode_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
+ for(i=1; i<s->avctx->thread_count; i++){
+ merge_context_after_encode(s, s->thread_context[i]);
+ }
+ emms_c();
+}
+
+#endif //CONFIG_ENCODERS
+
+static void denoise_dct_c(MpegEncContext *s, DCTELEM *block){