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| int | opus_encoder_get_size (int channels) |
| | Gets the size of an OpusEncoder structure. More...
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| OpusEncoder * | opus_encoder_create (opus_int32 Fs, int channels, int application, int *error) |
| | Allocates and initializes an encoder state. More...
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| int | opus_encoder_init (OpusEncoder *st, opus_int32 Fs, int channels, int application) |
| | 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...
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| opus_int32 | opus_encode (OpusEncoder *st, const opus_int16 *pcm, int frame_size, unsigned char *data, opus_int32 max_data_bytes) |
| | Encodes an Opus frame. More...
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| opus_int32 | opus_encode_float (OpusEncoder *st, const float *pcm, int frame_size, unsigned char *data, opus_int32 max_data_bytes) |
| | Encodes an Opus frame from floating point input. More...
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| void | opus_encoder_destroy (OpusEncoder *st) |
| | Frees an OpusEncoder allocated by opus_encoder_create(). More...
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| int | opus_encoder_ctl (OpusEncoder *st, int request,...) |
| | Perform a CTL function on an Opus encoder. More...
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| int | opus_decoder_get_size (int channels) |
| | Gets the size of an OpusDecoder structure. More...
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| OpusDecoder * | opus_decoder_create (opus_int32 Fs, int channels, int *error) |
| | Allocates and initializes a decoder state. More...
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| int | opus_decoder_init (OpusDecoder *st, opus_int32 Fs, int channels) |
| | Initializes a previously allocated decoder state. More...
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| int | opus_decode (OpusDecoder *st, const unsigned char *data, opus_int32 len, opus_int16 *pcm, int frame_size, int decode_fec) |
| | Decode an Opus packet. More...
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| int | opus_decode_float (OpusDecoder *st, const unsigned char *data, opus_int32 len, float *pcm, int frame_size, int decode_fec) |
| | Decode an Opus packet with floating point output. More...
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| int | opus_decoder_ctl (OpusDecoder *st, int request,...) |
| | Perform a CTL function on an Opus decoder. More...
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| void | opus_decoder_destroy (OpusDecoder *st) |
| | Frees an OpusDecoder allocated by opus_decoder_create(). More...
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| int | opus_dred_decoder_get_size (void) |
| | Gets the size of an OpusDREDDecoder structure. More...
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| OpusDREDDecoder * | opus_dred_decoder_create (int *error) |
| | Allocates and initializes an OpusDREDDecoder state. More...
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| int | opus_dred_decoder_init (OpusDREDDecoder *dec) |
| | Initializes an OpusDREDDecoder state. More...
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| void | opus_dred_decoder_destroy (OpusDREDDecoder *dec) |
| | Frees an OpusDREDDecoder allocated by opus_dred_decoder_create(). More...
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| int | opus_dred_decoder_ctl (OpusDREDDecoder *dred_dec, int request,...) |
| | Perform a CTL function on an Opus DRED decoder. More...
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| int | opus_dred_get_size (void) |
| | Gets the size of an OpusDRED structure. More...
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| OpusDRED * | opus_dred_alloc (int *error) |
| | Allocates and initializes a DRED state. More...
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| void | opus_dred_free (OpusDRED *dec) |
| | Frees an OpusDRED allocated by opus_dred_create(). More...
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| int | opus_dred_parse (OpusDREDDecoder *dred_dec, OpusDRED *dred, const unsigned char *data, opus_int32 len, opus_int32 max_dred_samples, opus_int32 sampling_rate, int *dred_end, int defer_processing) |
| | Decode an Opus DRED packet. More...
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| int | opus_dred_process (OpusDREDDecoder *dred_dec, const OpusDRED *src, OpusDRED *dst) |
| | Finish decoding an Opus DRED packet. More...
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| int | opus_decoder_dred_decode (OpusDecoder *st, const OpusDRED *dred, opus_int32 dred_offset, opus_int16 *pcm, opus_int32 frame_size) |
| | Decode audio from an Opus DRED packet with floating point output. More...
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| int | opus_decoder_dred_decode_float (OpusDecoder *st, const OpusDRED *dred, opus_int32 dred_offset, float *pcm, opus_int32 frame_size) |
| | Decode audio from an Opus DRED packet with floating point output. More...
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| int | opus_packet_parse (const unsigned char *data, opus_int32 len, unsigned char *out_toc, const unsigned char *frames[48], opus_int16 size[48], int *payload_offset) |
| | Parse an opus packet into one or more frames. More...
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| int | opus_packet_get_bandwidth (const unsigned char *data) |
| | Gets the bandwidth of an Opus packet. More...
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| int | opus_packet_get_samples_per_frame (const unsigned char *data, opus_int32 Fs) |
| | Gets the number of samples per frame from an Opus packet. More...
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| int | opus_packet_get_nb_channels (const unsigned char *data) |
| | Gets the number of channels from an Opus packet. More...
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| int | opus_packet_get_nb_frames (const unsigned char packet[], opus_int32 len) |
| | Gets the number of frames in an Opus packet. More...
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| int | opus_packet_get_nb_samples (const unsigned char packet[], opus_int32 len, opus_int32 Fs) |
| | Gets the number of samples of an Opus packet. More...
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| int | opus_packet_has_lbrr (const unsigned char packet[], opus_int32 len) |
| | Checks whether an Opus packet has LBRR. More...
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| int | opus_decoder_get_nb_samples (const OpusDecoder *dec, const unsigned char packet[], opus_int32 len) |
| | Gets the number of samples of an Opus packet. More...
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| 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...
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| int | opus_repacketizer_get_size (void) |
| | Gets the size of an OpusRepacketizer structure. More...
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| OpusRepacketizer * | opus_repacketizer_init (OpusRepacketizer *rp) |
| | (Re)initializes a previously allocated repacketizer state. More...
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| OpusRepacketizer * | opus_repacketizer_create (void) |
| | Allocates memory and initializes the new repacketizer with opus_repacketizer_init(). More...
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| void | opus_repacketizer_destroy (OpusRepacketizer *rp) |
| | Frees an OpusRepacketizer allocated by opus_repacketizer_create(). More...
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| int | opus_repacketizer_cat (OpusRepacketizer *rp, const unsigned char *data, opus_int32 len) |
| | Add a packet to the current repacketizer state. More...
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| opus_int32 | opus_repacketizer_out_range (OpusRepacketizer *rp, int begin, int end, unsigned char *data, opus_int32 maxlen) |
| | Construct a new packet from data previously submitted to the repacketizer state via opus_repacketizer_cat(). More...
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| int | opus_repacketizer_get_nb_frames (OpusRepacketizer *rp) |
| | 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...
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| opus_int32 | opus_repacketizer_out (OpusRepacketizer *rp, unsigned char *data, opus_int32 maxlen) |
| | Construct a new packet from data previously submitted to the repacketizer state via opus_repacketizer_cat(). More...
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| int | opus_packet_pad (unsigned char *data, opus_int32 len, opus_int32 new_len) |
| | Pads a given Opus packet to a larger size (possibly changing the TOC sequence). More...
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| opus_int32 | opus_packet_unpad (unsigned char *data, opus_int32 len) |
| | Remove all padding from a given Opus packet and rewrite the TOC sequence to minimize space usage. More...
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| int | opus_multistream_packet_pad (unsigned char *data, opus_int32 len, opus_int32 new_len, int nb_streams) |
| | Pads a given Opus multi-stream packet to a larger size (possibly changing the TOC sequence). More...
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| opus_int32 | opus_multistream_packet_unpad (unsigned char *data, opus_int32 len, int nb_streams) |
| | Remove all padding from a given Opus multi-stream packet and rewrite the TOC sequence to minimize space usage. More...
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Opus reference implementation API.
