155 static void channel_pos(int channels, int pos[8])  in channel_pos()  argument
158    if (channels==4)  in channel_pos()
164    } else if (channels==3||channels==5||channels==6)  in channel_pos()
172    } else if (channels==7)  in channel_pos()
181    } else if (channels==8)  in channel_pos()
234 …  int len, int overlap, int channels, int rate, opus_copy_channel_in_func copy_channel_in, int arch  in surround_analysis()  argument
263    channel_pos(channels, pos);  in surround_analysis()
269    for (c=0;c<channels;c++)  in surround_analysis()
272       (*copy_channel_in)(x, 1, pcm, channels, c, len);  in surround_analysis()
333    channel_offset = HALF16(celt_log2(QCONST32(2.f,14)/(channels-1)));  in surround_analysis()
344    for (c=0;c<channels;c++)  in surround_analysis()
385 opus_int32 opus_multistream_surround_encoder_get_size(int channels, int mapping_family)  in opus_multistream_surround_encoder_get_size()  argument
393       if (channels==1)  in opus_multistream_surround_encoder_get_size()
397       } else if (channels==2)  in opus_multistream_surround_encoder_get_size()
403    } else if (mapping_family==1 && channels<=8 && channels>=1)  in opus_multistream_surround_encoder_get_size()
405       nb_streams=vorbis_mappings[channels-1].nb_streams;  in opus_multistream_surround_encoder_get_size()
406       nb_coupled_streams=vorbis_mappings[channels-1].nb_coupled_streams;  in opus_multistream_surround_encoder_get_size()
409       nb_streams=channels;  in opus_multistream_surround_encoder_get_size()
414       nb_streams=channels;  in opus_multistream_surround_encoder_get_size()
420    if (channels>2)  in opus_multistream_surround_encoder_get_size()
422       size += channels*(120*sizeof(opus_val32) + sizeof(opus_val32));  in opus_multistream_surround_encoder_get_size()
430       int channels,  in opus_multistream_encoder_init_impl()  argument
443    if ((channels>255) || (channels<1) || (coupled_streams>streams) ||  in opus_multistream_encoder_init_impl()
448    st->layout.nb_channels = channels;  in opus_multistream_encoder_init_impl()
483       OPUS_CLEAR(ms_get_preemph_mem(st), channels);  in opus_multistream_encoder_init_impl()
484       OPUS_CLEAR(ms_get_window_mem(st), channels*120);  in opus_multistream_encoder_init_impl()
493       int channels,  in opus_multistream_encoder_init()  argument
500    return opus_multistream_encoder_init_impl(st, Fs, channels, streams,  in opus_multistream_encoder_init()
508       int channels,  in opus_multistream_surround_encoder_init()  argument
518    if ((channels>255) || (channels<1))  in opus_multistream_surround_encoder_init()
523       if (channels==1)  in opus_multistream_surround_encoder_init()
528       } else if (channels==2)  in opus_multistream_surround_encoder_init()
536    } else if (mapping_family==1 && channels<=8 && channels>=1)  in opus_multistream_surround_encoder_init()
539       *streams=vorbis_mappings[channels-1].nb_streams;  in opus_multistream_surround_encoder_init()
540       *coupled_streams=vorbis_mappings[channels-1].nb_coupled_streams;  in opus_multistream_surround_encoder_init()
541       for (i=0;i<channels;i++)  in opus_multistream_surround_encoder_init()
542          mapping[i] = vorbis_mappings[channels-1].mapping[i];  in opus_multistream_surround_encoder_init()
543       if (channels>=6)  in opus_multistream_surround_encoder_init()
548       *streams=channels;  in opus_multistream_surround_encoder_init()
550       for(i=0;i<channels;i++)  in opus_multistream_surround_encoder_init()
556       *streams=channels;  in opus_multistream_surround_encoder_init()
558       for(i=0;i<channels;i++)  in opus_multistream_surround_encoder_init()
564    if (channels>2 && mapping_family==1) {  in opus_multistream_surround_encoder_init()
575    return opus_multistream_encoder_init_impl(st, Fs, channels, *streams,  in opus_multistream_surround_encoder_init()
582       int channels,  in opus_multistream_encoder_create()  argument
592    if ((channels>255) || (channels<1) || (coupled_streams>streams) ||  in opus_multistream_encoder_create()
606 …ret = opus_multistream_encoder_init(st, Fs, channels, streams, coupled_streams, mapping, applicati…  in opus_multistream_encoder_create()
619       int channels,  in opus_multistream_surround_encoder_create()  argument
631    if ((channels>255) || (channels<1))  in opus_multistream_surround_encoder_create()
637    size = opus_multistream_surround_encoder_get_size(channels, mapping_family);  in opus_multistream_surround_encoder_create()
651 …ret = opus_multistream_surround_encoder_init(st, Fs, channels, mapping_family, streams, coupled_st…  in opus_multistream_surround_encoder_create()
864       int channels;  in opus_multistream_encode_native()  local
866       channels = st->layout.nb_streams + st->layout.nb_coupled_streams;  in opus_multistream_encode_native()
870             st->variable_duration, channels, Fs, st->bitrate_bps,  in opus_multistream_encode_native()