122     free_temp(&s->preout);  in clear_context()
355     s->preout= s->out;  in swr_init()
372     set_audiodata_fmt(&s->preout, s->int_sample_fmt);  in swr_init()
378     av_assert0(!s->preout.count);  in swr_init()
379     s->dither.noise = s->preout;  in swr_init()
380     s->dither.temp  = s->preout;  in swr_init()
584     AudioData *postin, *midbuf, *preout;  in swr_convert_internal()  local
608     if((ret=swri_realloc_audio(&s->preout, out_count))<0)  in swr_convert_internal()
615     preout_tmp= s->preout;  in swr_convert_internal()
616     preout= &preout_tmp;  in swr_convert_internal()
625         preout= midbuf;  in swr_convert_internal()
629         if(preout==in){  in swr_convert_internal()
635         else if(preout==postin) preout= midbuf= postin= out;  in swr_convert_internal()
636         else if(preout==midbuf) preout= midbuf= out;  in swr_convert_internal()
637         else                    preout= out;  in swr_convert_internal()
647         if(midbuf != preout)  in swr_convert_internal()
648             swri_rematrix(s, preout, midbuf, out_count, preout==out);  in swr_convert_internal()
652         if(midbuf != preout)  in swr_convert_internal()
653             out_count= resample(s, preout, out_count, midbuf, in_count);  in swr_convert_internal()
656     if(preout != out && out_count){  in swr_convert_internal()
657         AudioData *conv_src = preout;  in swr_convert_internal()
662             if (preout == in) {  in swr_convert_internal()
674             av_assert0(s->dither.noise.ch_count == preout->ch_count);  in swr_convert_internal()
682                     int off = len1 * preout->bps;  in swr_convert_internal()
685                         for(ch=0; ch<preout->ch_count; ch++)  in swr_convert_internal()
686 …s->mix_2_1_simd(conv_src->ch[ch], preout->ch[ch], s->dither.noise.ch[ch] + s->dither.noise.bps * s…  in swr_convert_internal()
688                         for(ch=0; ch<preout->ch_count; ch++)  in swr_convert_internal()
689 …s->mix_2_1_f(conv_src->ch[ch] + off, preout->ch[ch] + off, s->dither.noise.ch[ch] + s->dither.nois…  in swr_convert_internal()
691                     for(ch=0; ch<preout->ch_count; ch++)  in swr_convert_internal()
692 …s->mix_2_1_f(conv_src->ch[ch], preout->ch[ch], s->dither.noise.ch[ch] + s->dither.noise.bps * s->d…  in swr_convert_internal()
696 …case AV_SAMPLE_FMT_S16P :swri_noise_shaping_int16(s, conv_src, preout, &s->dither.noise, out_count…  in swr_convert_internal()
697 …case AV_SAMPLE_FMT_S32P :swri_noise_shaping_int32(s, conv_src, preout, &s->dither.noise, out_count…  in swr_convert_internal()
698 …case AV_SAMPLE_FMT_FLTP :swri_noise_shaping_float(s, conv_src, preout, &s->dither.noise, out_count…  in swr_convert_internal()
699 …case AV_SAMPLE_FMT_DBLP :swri_noise_shaping_double(s,conv_src, preout, &s->dither.noise, out_count…  in swr_convert_internal()