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/* Copyright (c) 2012 Xiph.Org Foundation
Written by Jean-Marc Valin */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef OPUS_PRIVATE_H
#define OPUS_PRIVATE_H
#include "arch.h"
#include "opus.h"
struct OpusRepacketizer {
unsigned char toc;
int nb_frames;
const unsigned char *frames[48];
short len[48];
int framesize;
};
typedef struct ChannelLayout {
int nb_channels;
int nb_streams;
int nb_coupled_streams;
unsigned char mapping[256];
} ChannelLayout;
int validate_layout(const ChannelLayout *layout);
int get_left_channel(const ChannelLayout *layout, int stream_id, int prev);
int get_right_channel(const ChannelLayout *layout, int stream_id, int prev);
int get_mono_channel(const ChannelLayout *layout, int stream_id, int prev);
#define MODE_SILK_ONLY 1000
#define MODE_HYBRID 1001
#define MODE_CELT_ONLY 1002
#define OPUS_SET_VOICE_RATIO_REQUEST 11018
#define OPUS_GET_VOICE_RATIO_REQUEST 11019
/** Configures the encoder's expected percentage of voice
* opposed to music or other signals.
*
* @note This interface is currently more aspiration than actuality. It's
* ultimately expected to bias an automatic signal classifier, but it currently
* just shifts the static bitrate to mode mapping around a little bit.
*
* @param[in] x <tt>int</tt>: Voice percentage in the range 0-100, inclusive.
* @hideinitializer */
#define OPUS_SET_VOICE_RATIO(x) OPUS_SET_VOICE_RATIO_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured voice ratio value, @see OPUS_SET_VOICE_RATIO
*
* @param[out] x <tt>int*</tt>: Voice percentage in the range 0-100, inclusive.
* @hideinitializer */
#define OPUS_GET_VOICE_RATIO(x) OPUS_GET_VOICE_RATIO_REQUEST, __opus_check_int_ptr(x)
#define OPUS_SET_FORCE_MODE_REQUEST 11002
#define OPUS_SET_FORCE_MODE(x) OPUS_SET_FORCE_MODE_REQUEST, __opus_check_int(x)
int optimize_framesize(const opus_val16 *x, int len, int C, opus_int32 Fs,
int bitrate, opus_val16 tonality, opus_val32 *mem, int buffering);
int encode_size(int size, unsigned char *data);
int opus_decode_native(OpusDecoder *st, const unsigned char *data, opus_int32 len,
opus_val16 *pcm, int frame_size, int decode_fec, int self_delimited, int *packet_offset);
/* Make sure everything's aligned to sizeof(void *) bytes */
static inline int align(int i)
{
return (i+(int)sizeof(void *)-1)&-(int)sizeof(void *);
}
opus_int32 opus_repacketizer_out_range_impl(OpusRepacketizer *rp, int begin, int end, unsigned char *data, opus_int32 maxlen, int self_delimited);
#endif /* OPUS_PRIVATE_H */
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