opus_multistream.h

NAME

opus_multistream.h - Opus reference implementation multistream API.

SYNOPSIS

#include ’opus.h’

Macros

#define OPUS_MULTISTREAM_GET_ENCODER_STATE(x, y)
Gets the encoder state for an individual stream of a multistream encoder.
#define OPUS_MULTISTREAM_GET_DECODER_STATE(x, y)
Gets the decoder state for an individual stream of a multistream decoder.

Typedefs

typedef struct OpusMSEncoder OpusMSEncoder
Opus multistream encoder state.
typedef struct OpusMSDecoder OpusMSDecoder
Opus multistream decoder state.

Functions

Multistream encoder functions

opus_int32 opus_multistream_encoder_get_size (int streams, int coupled_streams)
Gets the size of an OpusMSEncoder structure.
opus_int32 opus_multistream_surround_encoder_get_size (int channels, int mapping_family)
OpusMSEncoder * opus_multistream_encoder_create (opus_int32 Fs, int channels, int streams, int coupled_streams, const unsigned char *mapping, int application, int *error)
Allocates and initializes a multistream encoder state.
OpusMSEncoder * opus_multistream_surround_encoder_create (opus_int32 Fs, int channels, int mapping_family, int *streams, int *coupled_streams, unsigned char *mapping, int application, int *error)
int opus_multistream_encoder_init (OpusMSEncoder *st, opus_int32 Fs, int channels, int streams, int coupled_streams, const unsigned char *mapping, int application)
Initialize a previously allocated multistream encoder state.
int opus_multistream_surround_encoder_init (OpusMSEncoder *st, opus_int32 Fs, int channels, int mapping_family, int *streams, int *coupled_streams, unsigned char *mapping, int application)
int opus_multistream_encode (OpusMSEncoder *st, const opus_int16 *pcm, int frame_size, unsigned char *data, opus_int32 max_data_bytes)
Encodes a multistream Opus frame.
int opus_multistream_encode_float (OpusMSEncoder *st, const float *pcm, int frame_size, unsigned char *data, opus_int32 max_data_bytes)
Encodes a multistream Opus frame from floating point input.
void opus_multistream_encoder_destroy (OpusMSEncoder *st)
Frees an OpusMSEncoder allocated by opus_multistream_encoder_create().
int opus_multistream_encoder_ctl (OpusMSEncoder *st, int request,...)
Perform a CTL function on a multistream Opus encoder.

Multistream decoder functions

opus_int32 opus_multistream_decoder_get_size (int streams, int coupled_streams)
Gets the size of an OpusMSDecoder structure.
OpusMSDecoder * opus_multistream_decoder_create (opus_int32 Fs, int channels, int streams, int coupled_streams, const unsigned char *mapping, int *error)
Allocates and initializes a multistream decoder state.
int opus_multistream_decoder_init (OpusMSDecoder *st, opus_int32 Fs, int channels, int streams, int coupled_streams, const unsigned char *mapping)
Initialize a previously allocated decoder state object.
int opus_multistream_decode (OpusMSDecoder *st, const unsigned char *data, opus_int32 len, opus_int16 *pcm, int frame_size, int decode_fec)
Decode a multistream Opus packet.
int opus_multistream_decode_float (OpusMSDecoder *st, const unsigned char *data, opus_int32 len, float *pcm, int frame_size, int decode_fec)
Decode a multistream Opus packet with floating point output.
int opus_multistream_decoder_ctl (OpusMSDecoder *st, int request,...)
Perform a CTL function on a multistream Opus decoder.
void opus_multistream_decoder_destroy (OpusMSDecoder *st)
Frees an OpusMSDecoder allocated by opus_multistream_decoder_create().

Detailed Description

Opus reference implementation multistream API.

Author

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