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AIROC™ BTSDK v4.4 - Documentation | |||
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AIROC™ BTSDK v4.4 - Documentation | |||
Opus reference implementation API. More...
Data Structures | |
| struct | StereoWidthState |
| struct | OpusEncoder |
Macros | |
| #define | MAX_ENCODER_BUFFER 480 |
| #define | OPUS_ENCODER_RESET_START stream_channels |
Typedefs | |
| typedef struct OpusEncoder | OpusEncoder |
| Opus encoder state. More... | |
| typedef struct OpusDecoder | OpusDecoder |
| Opus decoder state. More... | |
| typedef struct OpusRepacketizer | OpusRepacketizer |
Functions | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | opus_encoder_get_size (int channels) |
Gets the size of an OpusEncoder structure. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusEncoder * | opus_encoder_create (int Fs, int channels, int *error) |
| Allocates and initializes an encoder state. More... | |
| OPUS_EXPORT int | opus_encoder_init (OpusEncoder *st, int Fs, int channels) OPUS_ARG_NONNULL(1) |
| Initializes a previously allocated encoder state The memory pointed to by st must be at least the size returned by opus_encoder_get_size(). More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | opus_encode_ed (OpusEncoder *st, const opus_int16 *pcm, int frame_size, unsigned char *data, int max_data_bytes) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4) |
| Encodes an Opus frame. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | opus_encode_float (OpusEncoder *st, const float *pcm, int frame_size, unsigned char *data, int max_data_bytes) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4) |
| Encodes an Opus frame from floating point input. More... | |
| OPUS_EXPORT void | opus_encoder_destroy (OpusEncoder *st) |
Frees an OpusEncoder allocated by opus_encoder_create(). More... | |
| OPUS_EXPORT int | opus_encoder_ctl (OpusEncoder *st, int request,...) OPUS_ARG_NONNULL(1) |
| Perform a CTL function on an Opus encoder. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | celt_opus_decoder_get_size (int channels) |
Gets the size of an OpusDecoder structure. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusDecoder * | celt_opus_decoder_create (int Fs, int channels, int *error) |
| Allocates and initializes a decoder state. More... | |
| OPUS_EXPORT int | celt_opus_decoder_init (OpusDecoder *st, int Fs, int channels) OPUS_ARG_NONNULL(1) |
| Initializes a previously allocated decoder state. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | celt_opus_decode (OpusDecoder *st, const unsigned char *data, int len, opus_int16 *pcm, int frame_size, int decode_fec) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4) |
| Decode an Opus packet. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | opus_decode_float (OpusDecoder *st, const unsigned char *data, int len, float *pcm, int frame_size, int decode_fec) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4) |
| Decode an Opus packet with floating point output. More... | |
| OPUS_EXPORT int | celt_opus_decoder_ctl (OpusDecoder *st, int request,...) OPUS_ARG_NONNULL(1) |
| Perform a CTL function on an Opus decoder. More... | |
| OPUS_EXPORT void | celt_opus_decoder_destroy (OpusDecoder *st) |
Frees an OpusDecoder allocated by celt_opus_decoder_create(). More... | |
| OPUS_EXPORT int | celt_opus_packet_parse (const unsigned char *data, int len, unsigned char *out_toc, const unsigned char *frames[48], opus_int16 size[48], int *payload_offset) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4) |
| Parse an opus packet into one or more frames. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | celt_opus_packet_get_bandwidth (const unsigned char *data) OPUS_ARG_NONNULL(1) |
| Gets the bandwidth of an Opus packet. More... | |
| int | celt_opus_packet_get_samples_per_frame (const unsigned char *data, int Fs) OPUS_ARG_NONNULL(1) |
| Gets the number of samples per frame from an Opus packet. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | celt_opus_packet_get_nb_channels (const unsigned char *data) OPUS_ARG_NONNULL(1) |
| Gets the number of channels from an Opus packet. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | celt_opus_packet_get_nb_frames (const unsigned char packet[], int len) OPUS_ARG_NONNULL(1) |
| Gets the number of frames in an Opus packet. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | celt_opus_packet_get_nb_samples (const unsigned char packet[], int len, int Fs) OPUS_ARG_NONNULL(1) |
| Gets the number of samples of an Opus packet. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | celt_opus_decoder_get_nb_samples (const OpusDecoder *dec, const unsigned char packet[], int len) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) |
| Gets the number of samples of an Opus packet. More... | |
| OPUS_EXPORT void | opus_pcm_soft_clip (float *pcm, int frame_size, int channels, float *softclip_mem) |
| Applies soft-clipping to bring a float signal within the [-1,1] range. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | opus_repacketizer_get_size (void) |
Gets the size of an OpusRepacketizer structure. More... | |
| OPUS_EXPORT OpusRepacketizer * | opus_repacketizer_init (OpusRepacketizer *rp) OPUS_ARG_NONNULL(1) |
| (Re)initializes a previously allocated repacketizer state. More... | |
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OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusRepacketizer * | opus_repacketizer_create (void) |
| Allocates memory and initializes the new repacketizer with opus_repacketizer_init(). | |
| OPUS_EXPORT void | opus_repacketizer_destroy (OpusRepacketizer *rp) |
Frees an OpusRepacketizer allocated by opus_repacketizer_create(). More... | |
| OPUS_EXPORT int | opus_repacketizer_cat (OpusRepacketizer *rp, const unsigned char *data, int len) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) |
| Add a packet to the current repacketizer state. More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | opus_repacketizer_out_range (OpusRepacketizer *rp, int begin, int end, unsigned char *data, int maxlen) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4) |
| Construct a new packet from data previously submitted to the repacketizer state via opus_repacketizer_cat(). More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | opus_repacketizer_get_nb_frames (OpusRepacketizer *rp) OPUS_ARG_NONNULL(1) |
| Return the total number of frames contained in packet data submitted to the repacketizer state so far via opus_repacketizer_cat() since the last call to opus_repacketizer_init() or opus_repacketizer_create(). More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | opus_repacketizer_out (OpusRepacketizer *rp, unsigned char *data, int maxlen) OPUS_ARG_NONNULL(1) |
| Construct a new packet from data previously submitted to the repacketizer state via opus_repacketizer_cat(). More... | |
| OPUS_EXPORT int | opus_packet_pad (unsigned char *data, int len, int new_len) |
| Pads a given Opus packet to a larger size (possibly changing the TOC sequence). More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | opus_packet_unpad (unsigned char *data, int len) |
| Remove all padding from a given Opus packet and rewrite the TOC sequence to minimize space usage. More... | |
| OPUS_EXPORT int | opus_multistream_packet_pad (unsigned char *data, int len, int new_len, int nb_streams) |
| Pads a given Opus multi-stream packet to a larger size (possibly changing the TOC sequence). More... | |
| OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int | opus_multistream_packet_unpad (unsigned char *data, int len, int nb_streams) |
| Remove all padding from a given Opus multi-stream packet and rewrite the TOC sequence to minimize space usage. More... | |
Opus reference implementation API.
