85 static opus_val32 *ms_get_preemph_mem(OpusMSEncoder *st)  in ms_get_preemph_mem()  argument
93    ptr = (char*)st + align(sizeof(OpusMSEncoder));  in ms_get_preemph_mem()
94    for (s=0;s<st->layout.nb_streams;s++)  in ms_get_preemph_mem()
96       if (s < st->layout.nb_coupled_streams)  in ms_get_preemph_mem()
101    return (opus_val32*)(ptr+st->layout.nb_channels*120*sizeof(opus_val32));  in ms_get_preemph_mem()
104 static opus_val32 *ms_get_window_mem(OpusMSEncoder *st)  in ms_get_window_mem()  argument
112    ptr = (char*)st + align(sizeof(OpusMSEncoder));  in ms_get_window_mem()
113    for (s=0;s<st->layout.nb_streams;s++)  in ms_get_window_mem()
115       if (s < st->layout.nb_coupled_streams)  in ms_get_window_mem()
395       OpusMSEncoder *st,  in opus_multistream_encoder_init_impl()  argument
414    st->layout.nb_channels = channels;  in opus_multistream_encoder_init_impl()
415    st->layout.nb_streams = streams;  in opus_multistream_encoder_init_impl()
416    st->layout.nb_coupled_streams = coupled_streams;  in opus_multistream_encoder_init_impl()
417    st->subframe_mem[0]=st->subframe_mem[1]=st->subframe_mem[2]=0;  in opus_multistream_encoder_init_impl()
419       st->lfe_stream = -1;  in opus_multistream_encoder_init_impl()
420    st->bitrate_bps = OPUS_AUTO;  in opus_multistream_encoder_init_impl()
421    st->application = application;  in opus_multistream_encoder_init_impl()
422    st->variable_duration = OPUS_FRAMESIZE_ARG;  in opus_multistream_encoder_init_impl()
423    for (i=0;i<st->layout.nb_channels;i++)  in opus_multistream_encoder_init_impl()
424       st->layout.mapping[i] = mapping[i];  in opus_multistream_encoder_init_impl()
425    if (!validate_layout(&st->layout) || !validate_encoder_layout(&st->layout))  in opus_multistream_encoder_init_impl()
427    ptr = (char*)st + align(sizeof(OpusMSEncoder));  in opus_multistream_encoder_init_impl()
431    for (i=0;i<st->layout.nb_coupled_streams;i++)  in opus_multistream_encoder_init_impl()
435       if (i==st->lfe_stream)  in opus_multistream_encoder_init_impl()
439    for (;i<st->layout.nb_streams;i++)  in opus_multistream_encoder_init_impl()
442       if (i==st->lfe_stream)  in opus_multistream_encoder_init_impl()
449       OPUS_CLEAR(ms_get_preemph_mem(st), channels);  in opus_multistream_encoder_init_impl()
450       OPUS_CLEAR(ms_get_window_mem(st), channels*120);  in opus_multistream_encoder_init_impl()
452    st->surround = surround;  in opus_multistream_encoder_init_impl()
457       OpusMSEncoder *st,  in opus_multistream_encoder_init()  argument
466 …return opus_multistream_encoder_init_impl(st, Fs, channels, streams, coupled_streams, mapping, app…  in opus_multistream_encoder_init()
470       OpusMSEncoder *st,  in opus_multistream_surround_encoder_init()  argument
482    st->lfe_stream = -1;  in opus_multistream_surround_encoder_init()
506          st->lfe_stream = *streams-1;  in opus_multistream_surround_encoder_init()
516    return opus_multistream_encoder_init_impl(st, Fs, channels, *streams, *coupled_streams,  in opus_multistream_surround_encoder_init()
531    OpusMSEncoder *st;  in opus_multistream_encoder_create()  local
539    st = (OpusMSEncoder *)opus_alloc(opus_multistream_encoder_get_size(streams, coupled_streams));  in opus_multistream_encoder_create()
540    if (st==NULL)  in opus_multistream_encoder_create()
546 …ret = opus_multistream_encoder_init(st, Fs, channels, streams, coupled_streams, mapping, applicati…  in opus_multistream_encoder_create()
549       opus_free(st);  in opus_multistream_encoder_create()
550       st = NULL;  in opus_multistream_encoder_create()
554    return st;  in opus_multistream_encoder_create()
569    OpusMSEncoder *st;  in opus_multistream_surround_encoder_create()  local
576 …st = (OpusMSEncoder *)opus_alloc(opus_multistream_surround_encoder_get_size(channels, mapping_fami…  in opus_multistream_surround_encoder_create()
577    if (st==NULL)  in opus_multistream_surround_encoder_create()
583 …ret = opus_multistream_surround_encoder_init(st, Fs, channels, mapping_family, streams, coupled_st…  in opus_multistream_surround_encoder_create()
586       opus_free(st);  in opus_multistream_surround_encoder_create()
587       st = NULL;  in opus_multistream_surround_encoder_create()
591    return st;  in opus_multistream_surround_encoder_create()
595       OpusMSEncoder *st,  in surround_rate_allocation()  argument
609    ptr = (char*)st + align(sizeof(OpusMSEncoder));  in surround_rate_allocation()
612    if (st->bitrate_bps > st->layout.nb_channels*40000)  in surround_rate_allocation()
615       stream_offset = st->bitrate_bps/st->layout.nb_channels/2;  in surround_rate_allocation()
627    if (st->bitrate_bps==OPUS_AUTO)  in surround_rate_allocation()
630    } else if (st->bitrate_bps==OPUS_BITRATE_MAX)  in surround_rate_allocation()
638       nb_lfe = (st->lfe_stream!=-1);  in surround_rate_allocation()
639       nb_coupled = st->layout.nb_coupled_streams;  in surround_rate_allocation()
640       nb_uncoupled = st->layout.nb_streams-nb_coupled-nb_lfe;  in surround_rate_allocation()
644 …channel_rate = 256*(st->bitrate_bps-lfe_offset*nb_lfe-stream_offset*(nb_coupled+nb_uncoupled))/tot…  in surround_rate_allocation()
647    if (st->variable_duration==OPUS_FRAMESIZE_VARIABLE && frame_size != Fs/50)  in surround_rate_allocation()
655    for (i=0;i<st->layout.nb_streams;i++)  in surround_rate_allocation()
657       if (i<st->layout.nb_coupled_streams)  in surround_rate_allocation()
659       else if (i!=st->lfe_stream)  in surround_rate_allocation()
670     OpusMSEncoder *st,  in opus_multistream_encode_native()  argument
699    if (st->surround)  in opus_multistream_encode_native()
701       preemph_mem = ms_get_preemph_mem(st);  in opus_multistream_encode_native()
702       mem = ms_get_window_mem(st);  in opus_multistream_encode_native()
705    ptr = (char*)st + align(sizeof(OpusMSEncoder));  in opus_multistream_encode_native()
714       channels = st->layout.nb_streams + st->layout.nb_coupled_streams;  in opus_multistream_encode_native()
718             st->variable_duration, channels, Fs, st->bitrate_bps,  in opus_multistream_encode_native()
721             , st->subframe_mem  in opus_multistream_encode_native()
744    ALLOC(bandSMR, 21*st->layout.nb_channels, opus_val16);  in opus_multistream_encode_native()
745    if (st->surround)  in opus_multistream_encode_native()
747 …surround_analysis(celt_mode, pcm, bandSMR, mem, preemph_mem, frame_size, 120, st->layout.nb_channe…  in opus_multistream_encode_native()
750    if (max_data_bytes < 4*st->layout.nb_streams-1)  in opus_multistream_encode_native()
757    surround_rate_allocation(st, bitrates, frame_size);  in opus_multistream_encode_native()
760       max_data_bytes = IMIN(max_data_bytes, 3*st->bitrate_bps/(3*8*Fs/frame_size));  in opus_multistream_encode_native()
762    ptr = (char*)st + align(sizeof(OpusMSEncoder));  in opus_multistream_encode_native()
763    for (s=0;s<st->layout.nb_streams;s++)  in opus_multistream_encode_native()
767       if (s < st->layout.nb_coupled_streams)  in opus_multistream_encode_native()
772       if (st->surround)  in opus_multistream_encode_native()
775          equiv_rate = st->bitrate_bps;  in opus_multistream_encode_native()
777             equiv_rate -= 60*(Fs/frame_size - 50)*st->layout.nb_channels;  in opus_multistream_encode_native()
778          if (equiv_rate > 10000*st->layout.nb_channels)  in opus_multistream_encode_native()
780          else if (equiv_rate > 7000*st->layout.nb_channels)  in opus_multistream_encode_native()
782          else if (equiv_rate > 5000*st->layout.nb_channels)  in opus_multistream_encode_native()
786          if (s < st->layout.nb_coupled_streams)  in opus_multistream_encode_native()
795    ptr = (char*)st + align(sizeof(OpusMSEncoder));  in opus_multistream_encode_native()
798    for (s=0;s<st->layout.nb_streams;s++)  in opus_multistream_encode_native()
807       if (s < st->layout.nb_coupled_streams)  in opus_multistream_encode_native()
811          left = get_left_channel(&st->layout, s, -1);  in opus_multistream_encode_native()
812          right = get_right_channel(&st->layout, s, -1);  in opus_multistream_encode_native()
814             pcm, st->layout.nb_channels, left, frame_size);  in opus_multistream_encode_native()
816             pcm, st->layout.nb_channels, right, frame_size);  in opus_multistream_encode_native()
818          if (st->surround)  in opus_multistream_encode_native()
830          int chan = get_mono_channel(&st->layout, s, -1);  in opus_multistream_encode_native()
832             pcm, st->layout.nb_channels, chan, frame_size);  in opus_multistream_encode_native()
834          if (st->surround)  in opus_multistream_encode_native()
842       if (st->surround)  in opus_multistream_encode_native()
847       curr_max -= IMAX(0,4*(st->layout.nb_streams-s-1)-1);  in opus_multistream_encode_native()
849       if (!vbr && s == st->layout.nb_streams-1)  in opus_multistream_encode_native()
852             pcm, analysis_frame_size, c1, c2, st->layout.nb_channels, downmix);  in opus_multistream_encode_native()
863 …data, max_data_bytes-tot_size, s != st->layout.nb_streams-1, !vbr && s == st->layout.nb_streams-1);  in opus_multistream_encode_native()
917     OpusMSEncoder *st,  in opus_multistream_encode()  argument
924    return opus_multistream_encode_native(st, opus_copy_channel_in_short,  in opus_multistream_encode()
930     OpusMSEncoder *st,  in opus_multistream_encode_float()  argument
937    return opus_multistream_encode_native(st, opus_copy_channel_in_float,  in opus_multistream_encode_float()
946     OpusMSEncoder *st,  in opus_multistream_encode_float()  argument
953    return opus_multistream_encode_native(st, opus_copy_channel_in_float,  in opus_multistream_encode_float()
958     OpusMSEncoder *st,  in opus_multistream_encode()  argument
965    return opus_multistream_encode_native(st, opus_copy_channel_in_short,  in opus_multistream_encode()
970 int opus_multistream_encoder_ctl(OpusMSEncoder *st, int request, ...)  in opus_multistream_encoder_ctl()  argument
981    ptr = (char*)st + align(sizeof(OpusMSEncoder));  in opus_multistream_encoder_ctl()
991       st->bitrate_bps = value;  in opus_multistream_encoder_ctl()
1003       for (s=0;s<st->layout.nb_streams;s++)  in opus_multistream_encoder_ctl()
1008          if (s < st->layout.nb_coupled_streams)  in opus_multistream_encoder_ctl()
1050       for (s=0;s<st->layout.nb_streams;s++)  in opus_multistream_encoder_ctl()
1054          if (s < st->layout.nb_coupled_streams)  in opus_multistream_encoder_ctl()
1082       for (s=0;s<st->layout.nb_streams;s++)  in opus_multistream_encoder_ctl()
1087          if (s < st->layout.nb_coupled_streams)  in opus_multistream_encoder_ctl()
1103       if (stream_id<0 || stream_id >= st->layout.nb_streams)  in opus_multistream_encoder_ctl()
1112          if (s < st->layout.nb_coupled_streams)  in opus_multistream_encoder_ctl()
1123        st->variable_duration = value;  in opus_multistream_encoder_ctl()
1133        *value = st->variable_duration;  in opus_multistream_encoder_ctl()
1139       st->subframe_mem[0] = st->subframe_mem[1] = st->subframe_mem[2] = 0;  in opus_multistream_encoder_ctl()
1140       if (st->surround)  in opus_multistream_encoder_ctl()
1142          OPUS_CLEAR(ms_get_preemph_mem(st), st->layout.nb_channels);  in opus_multistream_encoder_ctl()
1143          OPUS_CLEAR(ms_get_window_mem(st), st->layout.nb_channels*120);  in opus_multistream_encoder_ctl()
1145       for (s=0;s<st->layout.nb_streams;s++)  in opus_multistream_encoder_ctl()
1149          if (s < st->layout.nb_coupled_streams)  in opus_multistream_encoder_ctl()
1171 void opus_multistream_encoder_destroy(OpusMSEncoder *st)  in opus_multistream_encoder_destroy()  argument
1173     opus_free(st);  in opus_multistream_encoder_destroy()