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@andrewmcwatters
andrewmcwatters committed Mar 22, 2018
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29 changes: 29 additions & 0 deletions README.md
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# lopus
LuaJIT FFI bindings for Opus

## Install
### macOS
```bash
brew install opus
```

## License
MIT License

Copyright (c) 2018 Planimeter

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
358 changes: 358 additions & 0 deletions opus.h
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typedef int16_t opus_int16;
typedef uint16_t opus_uint16;
typedef int32_t opus_int32;
typedef uint32_t opus_uint32;
const char *opus_strerror(int error);
const char *opus_get_version_string(void);
typedef struct OpusEncoder OpusEncoder;






__attribute__ ((__warn_unused_result__)) int opus_encoder_get_size(int channels);
__attribute__ ((__warn_unused_result__)) OpusEncoder *opus_encoder_create(
opus_int32 Fs,
int channels,
int application,
int *error
);
int opus_encoder_init(
OpusEncoder *st,
opus_int32 Fs,
int channels,
int application
) __attribute__ ((__nonnull__(1)));
__attribute__ ((__warn_unused_result__)) opus_int32 opus_encode(
OpusEncoder *st,
const opus_int16 *pcm,
int frame_size,
unsigned char *data,
opus_int32 max_data_bytes
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(2))) __attribute__ ((__nonnull__(4)));
__attribute__ ((__warn_unused_result__)) opus_int32 opus_encode_float(
OpusEncoder *st,
const float *pcm,
int frame_size,
unsigned char *data,
opus_int32 max_data_bytes
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(2))) __attribute__ ((__nonnull__(4)));




void opus_encoder_destroy(OpusEncoder *st);
int opus_encoder_ctl(OpusEncoder *st, int request, ...) __attribute__ ((__nonnull__(1)));
typedef struct OpusDecoder OpusDecoder;






__attribute__ ((__warn_unused_result__)) int opus_decoder_get_size(int channels);
__attribute__ ((__warn_unused_result__)) OpusDecoder *opus_decoder_create(
opus_int32 Fs,
int channels,
int *error
);
int opus_decoder_init(
OpusDecoder *st,
opus_int32 Fs,
int channels
) __attribute__ ((__nonnull__(1)));
__attribute__ ((__warn_unused_result__)) int opus_decode(
OpusDecoder *st,
const unsigned char *data,
opus_int32 len,
opus_int16 *pcm,
int frame_size,
int decode_fec
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(4)));
__attribute__ ((__warn_unused_result__)) int opus_decode_float(
OpusDecoder *st,
const unsigned char *data,
opus_int32 len,
float *pcm,
int frame_size,
int decode_fec
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(4)));
int opus_decoder_ctl(OpusDecoder *st, int request, ...) __attribute__ ((__nonnull__(1)));




void opus_decoder_destroy(OpusDecoder *st);
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
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(4)));
__attribute__ ((__warn_unused_result__)) int opus_packet_get_bandwidth(const unsigned char *data) __attribute__ ((__nonnull__(1)));
__attribute__ ((__warn_unused_result__)) int opus_packet_get_samples_per_frame(const unsigned char *data, opus_int32 Fs) __attribute__ ((__nonnull__(1)));






__attribute__ ((__warn_unused_result__)) int opus_packet_get_nb_channels(const unsigned char *data) __attribute__ ((__nonnull__(1)));
__attribute__ ((__warn_unused_result__)) int opus_packet_get_nb_frames(const unsigned char packet[], opus_int32 len) __attribute__ ((__nonnull__(1)));
__attribute__ ((__warn_unused_result__)) int opus_packet_get_nb_samples(const unsigned char packet[], opus_int32 len, opus_int32 Fs) __attribute__ ((__nonnull__(1)));
__attribute__ ((__warn_unused_result__)) int opus_decoder_get_nb_samples(const OpusDecoder *dec, const unsigned char packet[], opus_int32 len) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(2)));
void opus_pcm_soft_clip(float *pcm, int frame_size, int channels, float *softclip_mem);
typedef struct OpusRepacketizer OpusRepacketizer;




__attribute__ ((__warn_unused_result__)) int opus_repacketizer_get_size(void);
OpusRepacketizer *opus_repacketizer_init(OpusRepacketizer *rp) __attribute__ ((__nonnull__(1)));




__attribute__ ((__warn_unused_result__)) OpusRepacketizer *opus_repacketizer_create(void);





void opus_repacketizer_destroy(OpusRepacketizer *rp);
int opus_repacketizer_cat(OpusRepacketizer *rp, const unsigned char *data, opus_int32 len) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(2)));
__attribute__ ((__warn_unused_result__)) opus_int32 opus_repacketizer_out_range(OpusRepacketizer *rp, int begin, int end, unsigned char *data, opus_int32 maxlen) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(4)));
__attribute__ ((__warn_unused_result__)) int opus_repacketizer_get_nb_frames(OpusRepacketizer *rp) __attribute__ ((__nonnull__(1)));
__attribute__ ((__warn_unused_result__)) opus_int32 opus_repacketizer_out(OpusRepacketizer *rp, unsigned char *data, opus_int32 maxlen) __attribute__ ((__nonnull__(1)));
int opus_packet_pad(unsigned char *data, opus_int32 len, opus_int32 new_len);
__attribute__ ((__warn_unused_result__)) opus_int32 opus_packet_unpad(unsigned char *data, opus_int32 len);
int opus_multistream_packet_pad(unsigned char *data, opus_int32 len, opus_int32 new_len, int nb_streams);
__attribute__ ((__warn_unused_result__)) opus_int32 opus_multistream_packet_unpad(unsigned char *data, opus_int32 len, int nb_streams);
typedef struct OpusCustomEncoder OpusCustomEncoder;






typedef struct OpusCustomDecoder OpusCustomDecoder;







typedef struct OpusCustomMode OpusCustomMode;
__attribute__ ((__warn_unused_result__)) OpusCustomMode *opus_custom_mode_create(opus_int32 Fs, int frame_size, int *error);





void opus_custom_mode_destroy(OpusCustomMode *mode);
__attribute__ ((__warn_unused_result__)) int opus_custom_encoder_get_size(
const OpusCustomMode *mode,
int channels
) __attribute__ ((__nonnull__(1)));
__attribute__ ((__warn_unused_result__)) OpusCustomEncoder *opus_custom_encoder_create(
const OpusCustomMode *mode,
int channels,
int *error
) __attribute__ ((__nonnull__(1)));





void opus_custom_encoder_destroy(OpusCustomEncoder *st);
__attribute__ ((__warn_unused_result__)) int opus_custom_encode_float(
OpusCustomEncoder *st,
const float *pcm,
int frame_size,
unsigned char *compressed,
int maxCompressedBytes
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(2))) __attribute__ ((__nonnull__(4)));
__attribute__ ((__warn_unused_result__)) int opus_custom_encode(
OpusCustomEncoder *st,
const opus_int16 *pcm,
int frame_size,
unsigned char *compressed,
int maxCompressedBytes
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(2))) __attribute__ ((__nonnull__(4)));







int opus_custom_encoder_ctl(OpusCustomEncoder * restrict st, int request, ...) __attribute__ ((__nonnull__(1)));
__attribute__ ((__warn_unused_result__)) int opus_custom_decoder_get_size(
const OpusCustomMode *mode,
int channels
) __attribute__ ((__nonnull__(1)));
int opus_custom_decoder_init(
OpusCustomDecoder *st,
const OpusCustomMode *mode,
int channels
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(2)));
__attribute__ ((__warn_unused_result__)) OpusCustomDecoder *opus_custom_decoder_create(
const OpusCustomMode *mode,
int channels,
int *error
) __attribute__ ((__nonnull__(1)));




void opus_custom_decoder_destroy(OpusCustomDecoder *st);
__attribute__ ((__warn_unused_result__)) int opus_custom_decode_float(
OpusCustomDecoder *st,
const unsigned char *data,
int len,
float *pcm,
int frame_size
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(4)));
__attribute__ ((__warn_unused_result__)) int opus_custom_decode(
OpusCustomDecoder *st,
const unsigned char *data,
int len,
opus_int16 *pcm,
int frame_size
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(4)));







int opus_custom_decoder_ctl(OpusCustomDecoder * restrict st, int request, ...) __attribute__ ((__nonnull__(1)));
typedef struct OpusMSEncoder OpusMSEncoder;







typedef struct OpusMSDecoder OpusMSDecoder;
__attribute__ ((__warn_unused_result__)) opus_int32 opus_multistream_encoder_get_size(
int streams,
int coupled_streams
);

__attribute__ ((__warn_unused_result__)) opus_int32 opus_multistream_surround_encoder_get_size(
int channels,
int mapping_family
);
__attribute__ ((__warn_unused_result__)) OpusMSEncoder *opus_multistream_encoder_create(
opus_int32 Fs,
int channels,
int streams,
int coupled_streams,
const unsigned char *mapping,
int application,
int *error
) __attribute__ ((__nonnull__(5)));

__attribute__ ((__warn_unused_result__)) 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
) __attribute__ ((__nonnull__(4))) __attribute__ ((__nonnull__(5))) __attribute__ ((__nonnull__(6)));
int opus_multistream_encoder_init(
OpusMSEncoder *st,
opus_int32 Fs,
int channels,
int streams,
int coupled_streams,
const unsigned char *mapping,
int application
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(6)));

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
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(5))) __attribute__ ((__nonnull__(6))) __attribute__ ((__nonnull__(7)));
__attribute__ ((__warn_unused_result__)) int opus_multistream_encode(
OpusMSEncoder *st,
const opus_int16 *pcm,
int frame_size,
unsigned char *data,
opus_int32 max_data_bytes
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(2))) __attribute__ ((__nonnull__(4)));
__attribute__ ((__warn_unused_result__)) int opus_multistream_encode_float(
OpusMSEncoder *st,
const float *pcm,
int frame_size,
unsigned char *data,
opus_int32 max_data_bytes
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(2))) __attribute__ ((__nonnull__(4)));





void opus_multistream_encoder_destroy(OpusMSEncoder *st);
int opus_multistream_encoder_ctl(OpusMSEncoder *st, int request, ...) __attribute__ ((__nonnull__(1)));
__attribute__ ((__warn_unused_result__)) opus_int32 opus_multistream_decoder_get_size(
int streams,
int coupled_streams
);
__attribute__ ((__warn_unused_result__)) OpusMSDecoder *opus_multistream_decoder_create(
opus_int32 Fs,
int channels,
int streams,
int coupled_streams,
const unsigned char *mapping,
int *error
) __attribute__ ((__nonnull__(5)));
int opus_multistream_decoder_init(
OpusMSDecoder *st,
opus_int32 Fs,
int channels,
int streams,
int coupled_streams,
const unsigned char *mapping
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(6)));
__attribute__ ((__warn_unused_result__)) int opus_multistream_decode(
OpusMSDecoder *st,
const unsigned char *data,
opus_int32 len,
opus_int16 *pcm,
int frame_size,
int decode_fec
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(4)));
__attribute__ ((__warn_unused_result__)) int opus_multistream_decode_float(
OpusMSDecoder *st,
const unsigned char *data,
opus_int32 len,
float *pcm,
int frame_size,
int decode_fec
) __attribute__ ((__nonnull__(1))) __attribute__ ((__nonnull__(4)));
int opus_multistream_decoder_ctl(OpusMSDecoder *st, int request, ...) __attribute__ ((__nonnull__(1)));





void opus_multistream_decoder_destroy(OpusMSDecoder *st);
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