766 lines
21 KiB
C
766 lines
21 KiB
C
/* Copyright (c) 2011 Xiph.Org Foundation
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Written by Jean-Marc Valin */
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "opus_multistream.h"
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#include "opus.h"
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#include "opus_private.h"
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#include "stack_alloc.h"
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#include <stdarg.h>
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#include "float_cast.h"
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#include "os_support.h"
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typedef struct ChannelLayout {
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int nb_channels;
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int nb_streams;
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int nb_coupled_streams;
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unsigned char mapping[256];
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} ChannelLayout;
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struct OpusMSEncoder {
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ChannelLayout layout;
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int bitrate;
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/* Encoder states go here */
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};
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struct OpusMSDecoder {
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ChannelLayout layout;
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/* Decoder states go here */
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};
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#ifdef FIXED_POINT
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#define opus_encode_native opus_encode
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#else
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#define opus_encode_native opus_encode_float
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#endif
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static int validate_layout(const ChannelLayout *layout)
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{
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int i, max_channel;
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max_channel = layout->nb_streams+layout->nb_coupled_streams;
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if (max_channel>255)
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return 0;
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for (i=0;i<layout->nb_channels;i++)
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{
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if (layout->mapping[i] >= max_channel && layout->mapping[i] != 255)
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return 0;
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}
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return 1;
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}
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static int get_left_channel(const ChannelLayout *layout, int stream_id, int prev)
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{
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int i;
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i = (prev<0) ? 0 : prev+1;
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for (;i<layout->nb_channels;i++)
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{
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if (layout->mapping[i]==stream_id*2)
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return i;
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}
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return -1;
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}
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static int get_right_channel(const ChannelLayout *layout, int stream_id, int prev)
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{
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int i;
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i = (prev<0) ? 0 : prev+1;
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for (;i<layout->nb_channels;i++)
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{
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if (layout->mapping[i]==stream_id*2+1)
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return i;
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}
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return -1;
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}
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static int get_mono_channel(const ChannelLayout *layout, int stream_id, int prev)
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{
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int i;
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i = (prev<0) ? 0 : prev+1;
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for (;i<layout->nb_channels;i++)
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{
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if (layout->mapping[i]==2*layout->nb_coupled_streams+stream_id)
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return i;
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}
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return -1;
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}
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static int validate_encoder_layout(const ChannelLayout *layout)
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{
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int s;
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for (s=0;s<layout->nb_streams;s++)
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{
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if (s < layout->nb_coupled_streams)
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{
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if (get_left_channel(layout, s, -1)==-1)
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return 0;
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if (get_right_channel(layout, s, -1)==-1)
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return 0;
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} else {
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if (get_mono_channel(layout, s, -1)==-1)
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return 0;
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}
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}
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return 1;
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}
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int opus_multistream_encoder_get_size(int nb_streams, int nb_coupled_streams)
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{
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int coupled_size;
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int mono_size;
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coupled_size = opus_encoder_get_size(2);
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mono_size = opus_encoder_get_size(1);
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return align(sizeof(OpusMSEncoder))
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+ nb_coupled_streams * align(coupled_size)
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+ (nb_streams-nb_coupled_streams) * align(mono_size);
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}
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int opus_multistream_encoder_init(
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OpusMSEncoder *st, /* Encoder state */
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opus_int32 Fs, /* Sampling rate of input signal (Hz) */
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int channels, /* Number of channels (1/2) in input signal */
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int streams,
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int coupled_streams,
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unsigned char *mapping,
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int application /* Coding mode (OPUS_APPLICATION_VOIP/OPUS_APPLICATION_AUDIO) */
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)
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{
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int coupled_size;
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int mono_size;
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int i;
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char *ptr;
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st->layout.nb_channels = channels;
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st->layout.nb_streams = streams;
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st->layout.nb_coupled_streams = coupled_streams;
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for (i=0;i<st->layout.nb_channels;i++)
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st->layout.mapping[i] = mapping[i];
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if (!validate_layout(&st->layout) || !validate_encoder_layout(&st->layout))
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return OPUS_BAD_ARG;
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ptr = (char*)st + align(sizeof(OpusMSEncoder));
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coupled_size = opus_encoder_get_size(2);
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mono_size = opus_encoder_get_size(1);
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for (i=0;i<st->layout.nb_coupled_streams;i++)
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{
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opus_encoder_init((OpusEncoder*)ptr, Fs, 2, application);
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ptr += align(coupled_size);
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}
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for (;i<st->layout.nb_streams;i++)
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{
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opus_encoder_init((OpusEncoder*)ptr, Fs, 1, application);
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ptr += align(mono_size);
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}
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return OPUS_OK;
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}
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OpusMSEncoder *opus_multistream_encoder_create(
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opus_int32 Fs, /* Sampling rate of input signal (Hz) */
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int channels, /* Number of channels (1/2) in input signal */
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int streams,
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int coupled_streams,
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unsigned char *mapping,
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int application, /* Coding mode (OPUS_APPLICATION_VOIP/OPUS_APPLICATION_AUDIO) */
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int *error /* Error code */
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)
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{
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int ret;
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OpusMSEncoder *st = (OpusMSEncoder *)opus_alloc(opus_multistream_encoder_get_size(streams, coupled_streams));
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if (st==NULL)
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{
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if (error)
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*error = OPUS_ALLOC_FAIL;
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return NULL;
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}
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ret = opus_multistream_encoder_init(st, Fs, channels, streams, coupled_streams, mapping, application);
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if (ret != OPUS_OK)
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{
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opus_free(st);
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st = NULL;
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}
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if (error)
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*error = ret;
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return st;
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}
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#ifdef FIXED_POINT
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int opus_multistream_encode(
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#else
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int opus_multistream_encode_float(
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#endif
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OpusMSEncoder *st, /* Encoder state */
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const opus_val16 *pcm, /* Input signal (interleaved if 2 channels). length is frame_size*channels */
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int frame_size, /* Number of samples per frame of input signal */
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unsigned char *data, /* Output payload (no more than max_data_bytes long) */
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int max_data_bytes /* Allocated memory for payload; don't use for controlling bitrate */
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)
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{
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int coupled_size;
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int mono_size;
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int s, i;
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char *ptr;
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int tot_size;
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VARDECL(opus_val16, buf);
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/* Max size in case the encoder decides to return three frames */
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unsigned char tmp_data[3*1275+7];
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VARDECL(unsigned char, rp_);
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OpusRepacketizer *rp;
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ALLOC_STACK;
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ALLOC(buf, 2*frame_size, opus_val16);
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ALLOC(rp_, opus_repacketizer_get_size(), unsigned char);
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rp = (OpusRepacketizer*)rp_;
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ptr = (char*)st + align(sizeof(OpusMSEncoder));
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coupled_size = opus_encoder_get_size(2);
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mono_size = opus_encoder_get_size(1);
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if (max_data_bytes < 2*st->layout.nb_streams-1)
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{
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RESTORE_STACK;
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return OPUS_BUFFER_TOO_SMALL;
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}
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/* Counting ToC */
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tot_size = 0;
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for (s=0;s<st->layout.nb_streams;s++)
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{
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OpusEncoder *enc;
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int len;
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int curr_max;
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opus_repacketizer_init(rp);
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enc = (OpusEncoder*)ptr;
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if (s < st->layout.nb_coupled_streams)
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{
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int left, right;
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left = get_left_channel(&st->layout, s, -1);
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right = get_right_channel(&st->layout, s, -1);
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for (i=0;i<frame_size;i++)
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{
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buf[2*i] = pcm[st->layout.nb_channels*i+left];
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buf[2*i+1] = pcm[st->layout.nb_channels*i+right];
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}
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ptr += align(coupled_size);
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} else {
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int chan = get_mono_channel(&st->layout, s, -1);
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for (i=0;i<frame_size;i++)
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buf[i] = pcm[st->layout.nb_channels*i+chan];
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ptr += align(mono_size);
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}
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/* number of bytes left (+Toc) */
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curr_max = max_data_bytes - tot_size;
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/* Reserve one byte for the last stream and 2 for the others */
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curr_max -= 2*(st->layout.nb_streams-s)-1;
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len = opus_encode_native(enc, buf, frame_size, tmp_data, curr_max);
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if (len<0)
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{
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RESTORE_STACK;
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return len;
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}
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/* We need to use the repacketizer to add the self-delimiting lengths
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while taking into account the fact that the encoder can now return
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more than one frame at a time (e.g. 60 ms CELT-only) */
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opus_repacketizer_cat(rp, tmp_data, len);
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len = opus_repacketizer_out_range_impl(rp, 0, opus_repacketizer_get_nb_frames(rp), data, max_data_bytes-tot_size, s != st->layout.nb_streams-1);
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data += len;
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tot_size += len;
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}
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RESTORE_STACK;
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return tot_size;
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}
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#ifdef FIXED_POINT
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#ifndef DISABLE_FLOAT_API
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int opus_multistream_encode_float(
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OpusMSEncoder *st, /* Encoder state */
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const float *pcm, /* Input signal (interleaved if 2 channels). length is frame_size*channels */
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int frame_size, /* Number of samples per frame of input signal */
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unsigned char *data, /* Output payload (no more than max_data_bytes long) */
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int max_data_bytes /* Allocated memory for payload; don't use for controlling bitrate */
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)
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{
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int i, ret;
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VARDECL(opus_int16, in);
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ALLOC_STACK;
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ALLOC(in, frame_size*st->layout.nb_channels, opus_int16);
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for (i=0;i<frame_size*st->layout.nb_channels;i++)
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in[i] = FLOAT2INT16(pcm[i]);
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ret = opus_multistream_encode(st, in, frame_size, data, max_data_bytes);
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RESTORE_STACK;
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return ret;
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}
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#endif
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#else
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int opus_multistream_encode(
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OpusMSEncoder *st, /* Encoder state */
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const opus_int16 *pcm, /* Input signal (interleaved if 2 channels). length is frame_size*channels */
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int frame_size, /* Number of samples per frame of input signal */
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unsigned char *data, /* Output payload (no more than max_data_bytes long) */
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int max_data_bytes /* Allocated memory for payload; don't use for controlling bitrate */
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)
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{
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int i, ret;
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VARDECL(float, in);
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ALLOC_STACK;
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ALLOC(in, frame_size*st->layout.nb_channels, float);
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for (i=0;i<frame_size*st->layout.nb_channels;i++)
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in[i] = (1./32768)*pcm[i];
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ret = opus_multistream_encode_float(st, in, frame_size, data, max_data_bytes);
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RESTORE_STACK;
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return ret;
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}
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#endif
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int opus_multistream_encoder_ctl(OpusMSEncoder *st, int request, ...)
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{
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va_list ap;
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int coupled_size, mono_size;
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char *ptr;
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int ret = OPUS_OK;
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va_start(ap, request);
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coupled_size = opus_encoder_get_size(2);
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mono_size = opus_encoder_get_size(1);
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ptr = (char*)st + align(sizeof(OpusMSEncoder));
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switch (request)
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{
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case OPUS_SET_BITRATE_REQUEST:
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{
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int chan, s;
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opus_uint32 value = va_arg(ap, opus_uint32);
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chan = st->layout.nb_streams + st->layout.nb_coupled_streams;
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value /= chan;
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for (s=0;s<st->layout.nb_streams;s++)
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{
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OpusEncoder *enc;
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enc = (OpusEncoder*)ptr;
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opus_encoder_ctl(enc, request, value * (s < st->layout.nb_coupled_streams ? 2 : 1));
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}
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}
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break;
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/* FIXME: Add missing ones */
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case OPUS_GET_BITRATE_REQUEST:
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case OPUS_GET_VBR_REQUEST:
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case OPUS_GET_APPLICATION_REQUEST:
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case OPUS_GET_BANDWIDTH_REQUEST:
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case OPUS_GET_COMPLEXITY_REQUEST:
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case OPUS_GET_PACKET_LOSS_PERC_REQUEST:
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case OPUS_GET_DTX_REQUEST:
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case OPUS_GET_VOICE_RATIO_REQUEST:
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case OPUS_GET_VBR_CONSTRAINT_REQUEST:
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case OPUS_GET_SIGNAL_REQUEST:
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case OPUS_GET_LOOKAHEAD_REQUEST:
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{
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int s;
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/* This works for int32* params */
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opus_uint32 *value = va_arg(ap, opus_uint32*);
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for (s=0;s<st->layout.nb_streams;s++)
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{
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OpusEncoder *enc;
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enc = (OpusEncoder*)ptr;
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if (s < st->layout.nb_coupled_streams)
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ptr += align(coupled_size);
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else
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ptr += align(mono_size);
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ret = opus_encoder_ctl(enc, request, value);
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if (ret < 0)
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break;
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}
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}
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break;
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default:
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{
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int s;
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/* This works for int32 params */
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opus_uint32 value = va_arg(ap, opus_uint32);
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for (s=0;s<st->layout.nb_streams;s++)
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{
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OpusEncoder *enc;
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enc = (OpusEncoder*)ptr;
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if (s < st->layout.nb_coupled_streams)
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ptr += align(coupled_size);
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else
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ptr += align(mono_size);
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ret = opus_encoder_ctl(enc, request, value);
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if (ret < 0)
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break;
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}
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}
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break;
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}
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va_end(ap);
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return ret;
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}
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void opus_multistream_encoder_destroy(OpusMSEncoder *st)
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{
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opus_free(st);
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}
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/* DECODER */
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int opus_multistream_decoder_get_size(int nb_streams, int nb_coupled_streams)
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{
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int coupled_size;
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int mono_size;
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coupled_size = opus_decoder_get_size(2);
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mono_size = opus_decoder_get_size(1);
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return align(sizeof(OpusMSDecoder))
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+ nb_coupled_streams * align(coupled_size)
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+ (nb_streams-nb_coupled_streams) * align(mono_size);
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}
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int opus_multistream_decoder_init(
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OpusMSDecoder *st, /* Encoder state */
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opus_int32 Fs, /* Sampling rate of input signal (Hz) */
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int channels, /* Number of channels (1/2) in input signal */
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int streams,
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int coupled_streams,
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unsigned char *mapping
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)
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{
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int coupled_size;
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int mono_size;
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int i;
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char *ptr;
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st->layout.nb_channels = channels;
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st->layout.nb_streams = streams;
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st->layout.nb_coupled_streams = coupled_streams;
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for (i=0;i<st->layout.nb_channels;i++)
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st->layout.mapping[i] = mapping[i];
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if (!validate_layout(&st->layout))
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return OPUS_BAD_ARG;
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ptr = (char*)st + align(sizeof(OpusMSEncoder));
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coupled_size = opus_decoder_get_size(2);
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mono_size = opus_decoder_get_size(1);
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for (i=0;i<st->layout.nb_coupled_streams;i++)
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{
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opus_decoder_init((OpusDecoder*)ptr, Fs, 2);
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ptr += align(coupled_size);
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}
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for (;i<st->layout.nb_streams;i++)
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{
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opus_decoder_init((OpusDecoder*)ptr, Fs, 1);
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ptr += align(mono_size);
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}
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return OPUS_OK;
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}
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|
|
|
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OpusMSDecoder *opus_multistream_decoder_create(
|
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opus_int32 Fs, /* Sampling rate of input signal (Hz) */
|
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int channels, /* Number of channels (1/2) in input signal */
|
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int streams,
|
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int coupled_streams,
|
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unsigned char *mapping,
|
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int *error /* Error code */
|
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)
|
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{
|
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int ret;
|
|
OpusMSDecoder *st = (OpusMSDecoder *)opus_alloc(opus_multistream_decoder_get_size(streams, coupled_streams));
|
|
if (st==NULL)
|
|
{
|
|
if (error)
|
|
*error = OPUS_ALLOC_FAIL;
|
|
return NULL;
|
|
}
|
|
ret = opus_multistream_decoder_init(st, Fs, channels, streams, coupled_streams, mapping);
|
|
if (error)
|
|
*error = ret;
|
|
if (ret != OPUS_OK)
|
|
{
|
|
opus_free(st);
|
|
st = NULL;
|
|
}
|
|
return st;
|
|
|
|
|
|
}
|
|
|
|
static int opus_multistream_decode_native(
|
|
OpusMSDecoder *st, /* Encoder state */
|
|
const unsigned char *data,
|
|
int len,
|
|
opus_val16 *pcm,
|
|
int frame_size,
|
|
int decode_fec
|
|
)
|
|
{
|
|
int coupled_size;
|
|
int mono_size;
|
|
int s, i, c;
|
|
char *ptr;
|
|
VARDECL(opus_val16, buf);
|
|
ALLOC_STACK;
|
|
|
|
ALLOC(buf, 2*frame_size, opus_val16);
|
|
ptr = (char*)st + align(sizeof(OpusMSEncoder));
|
|
coupled_size = opus_decoder_get_size(2);
|
|
mono_size = opus_decoder_get_size(1);
|
|
|
|
if (len < 2*st->layout.nb_streams-1)
|
|
return OPUS_BUFFER_TOO_SMALL;
|
|
for (s=0;s<st->layout.nb_streams;s++)
|
|
{
|
|
OpusDecoder *dec;
|
|
int packet_offset, ret;
|
|
|
|
dec = (OpusDecoder*)ptr;
|
|
ptr += (s < st->layout.nb_coupled_streams) ? align(coupled_size) : align(mono_size);
|
|
|
|
if (len<=0)
|
|
{
|
|
RESTORE_STACK;
|
|
return OPUS_INVALID_PACKET;
|
|
}
|
|
ret = opus_decode_native(dec, data, len, buf, frame_size, decode_fec, s!=st->layout.nb_streams-1, &packet_offset);
|
|
data += packet_offset;
|
|
len -= packet_offset;
|
|
if (ret > frame_size)
|
|
{
|
|
RESTORE_STACK;
|
|
return OPUS_BUFFER_TOO_SMALL;
|
|
}
|
|
if (s>0 && ret != frame_size)
|
|
{
|
|
RESTORE_STACK;
|
|
return OPUS_INVALID_PACKET;
|
|
}
|
|
if (ret <= 0)
|
|
{
|
|
RESTORE_STACK;
|
|
return ret;
|
|
}
|
|
frame_size = ret;
|
|
if (s < st->layout.nb_coupled_streams)
|
|
{
|
|
int chan, prev;
|
|
prev = -1;
|
|
/* Copy "left" audio to the channel(s) where it belongs */
|
|
while ( (chan = get_left_channel(&st->layout, s, prev)) != -1)
|
|
{
|
|
for (i=0;i<frame_size;i++)
|
|
pcm[st->layout.nb_channels*i+chan] = buf[2*i];
|
|
prev = chan;
|
|
}
|
|
prev = -1;
|
|
/* Copy "right" audio to the channel(s) where it belongs */
|
|
while ( (chan = get_right_channel(&st->layout, s, prev)) != -1)
|
|
{
|
|
for (i=0;i<frame_size;i++)
|
|
pcm[st->layout.nb_channels*i+chan] = buf[2*i+1];
|
|
prev = chan;
|
|
}
|
|
} else {
|
|
int chan, prev;
|
|
prev = -1;
|
|
/* Copy audio to the channel(s) where it belongs */
|
|
while ( (chan = get_mono_channel(&st->layout, s, prev)) != -1)
|
|
{
|
|
for (i=0;i<frame_size;i++)
|
|
pcm[st->layout.nb_channels*i+chan] = buf[i];
|
|
prev = chan;
|
|
}
|
|
}
|
|
}
|
|
/* Handle muted channels */
|
|
for (c=0;c<st->layout.nb_channels;c++)
|
|
{
|
|
if (st->layout.mapping[c] == 255)
|
|
{
|
|
for (i=0;i<frame_size;i++)
|
|
pcm[st->layout.nb_channels*i+c] = 0;
|
|
}
|
|
}
|
|
RESTORE_STACK;
|
|
return frame_size;
|
|
}
|
|
|
|
#ifdef FIXED_POINT
|
|
int opus_multistream_decode(
|
|
OpusMSDecoder *st, /* Encoder state */
|
|
const unsigned char *data,
|
|
int len,
|
|
opus_int16 *pcm,
|
|
int frame_size,
|
|
int decode_fec
|
|
)
|
|
{
|
|
return opus_multistream_decode_native(st, data, len, pcm, frame_size, decode_fec);
|
|
}
|
|
|
|
#ifndef DISABLE_FLOAT_API
|
|
int opus_multistream_decode_float(OpusMSDecoder *st, const unsigned char *data,
|
|
int len, float *pcm, int frame_size, int decode_fec)
|
|
{
|
|
VARDECL(opus_int16, out);
|
|
int ret, i;
|
|
ALLOC_STACK;
|
|
|
|
ALLOC(out, frame_size*st->layout.nb_channels, opus_int16);
|
|
|
|
ret = opus_multistream_decode_native(st, data, len, out, frame_size, decode_fec);
|
|
if (ret > 0)
|
|
{
|
|
for (i=0;i<ret*st->layout.nb_channels;i++)
|
|
pcm[i] = (1./32768.)*(out[i]);
|
|
}
|
|
RESTORE_STACK;
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
#else
|
|
|
|
int opus_multistream_decode(OpusMSDecoder *st, const unsigned char *data,
|
|
int len, opus_int16 *pcm, int frame_size, int decode_fec)
|
|
{
|
|
VARDECL(float, out);
|
|
int ret, i;
|
|
ALLOC_STACK;
|
|
|
|
ALLOC(out, frame_size*st->layout.nb_channels, float);
|
|
|
|
ret = opus_multistream_decode_native(st, data, len, out, frame_size, decode_fec);
|
|
if (ret > 0)
|
|
{
|
|
for (i=0;i<ret*st->layout.nb_channels;i++)
|
|
pcm[i] = FLOAT2INT16(out[i]);
|
|
}
|
|
RESTORE_STACK;
|
|
return ret;
|
|
}
|
|
|
|
int opus_multistream_decode_float(
|
|
OpusMSDecoder *st, /* Encoder state */
|
|
const unsigned char *data,
|
|
int len,
|
|
float *pcm,
|
|
int frame_size,
|
|
int decode_fec
|
|
)
|
|
{
|
|
return opus_multistream_decode_native(st, data, len, pcm, frame_size, decode_fec);
|
|
}
|
|
#endif
|
|
|
|
int opus_multistream_decoder_ctl(OpusMSDecoder *st, int request, ...)
|
|
{
|
|
va_list ap;
|
|
int coupled_size, mono_size;
|
|
char *ptr;
|
|
int ret = OPUS_OK;
|
|
|
|
va_start(ap, request);
|
|
|
|
coupled_size = opus_decoder_get_size(2);
|
|
mono_size = opus_decoder_get_size(1);
|
|
ptr = (char*)st + align(sizeof(OpusMSDecoder));
|
|
switch (request)
|
|
{
|
|
case OPUS_GET_BANDWIDTH_REQUEST:
|
|
case OPUS_GET_FINAL_RANGE_REQUEST:
|
|
{
|
|
int s;
|
|
/* This only works for int32* params, but that's all we have right now */
|
|
opus_uint32 *value = va_arg(ap, opus_uint32*);
|
|
for (s=0;s<st->layout.nb_streams;s++)
|
|
{
|
|
OpusDecoder *dec;
|
|
|
|
dec = (OpusDecoder*)ptr;
|
|
if (s < st->layout.nb_coupled_streams)
|
|
ptr += align(coupled_size);
|
|
else
|
|
ptr += align(mono_size);
|
|
ret = opus_decoder_ctl(dec, request, value);
|
|
if (ret < 0)
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case OPUS_RESET_STATE:
|
|
{
|
|
int s;
|
|
/* This only works for int32* params, but that's all we have right now */
|
|
for (s=0;s<st->layout.nb_streams;s++)
|
|
{
|
|
OpusDecoder *dec;
|
|
|
|
dec = (OpusDecoder*)ptr;
|
|
if (s < st->layout.nb_coupled_streams)
|
|
ptr += align(coupled_size);
|
|
else
|
|
ptr += align(mono_size);
|
|
ret = opus_decoder_ctl(dec, OPUS_RESET_STATE);
|
|
if (ret < 0)
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
ret = OPUS_UNIMPLEMENTED;
|
|
break;
|
|
}
|
|
|
|
va_end(ap);
|
|
return ret;
|
|
}
|
|
|
|
|
|
void opus_multistream_decoder_destroy(OpusMSDecoder *st)
|
|
{
|
|
opus_free(st);
|
|
}
|