Crate lc3_sys

source ·

Structs

Constants

Functions

  • lc3_decode⚠
    Decode a frame decoder Handle of the decoder in, nbytes Input bitstream, and size in bytes, NULL performs PLC fmt PCM output format pcm, stride Output PCM samples, and count between two consecutives return 0: On success 1: PLC operated -1: Wrong parameters
  • lc3_decoder_size⚠
  • lc3_delay_samples⚠
  • lc3_encode⚠
    Encode a frame encoder Handle of the encoder fmt PCM input format pcm, stride Input PCM samples, and count between two consecutives nbytes Target size, in bytes, of the frame out Output buffer of nbytes size return 0: On success -1: Wrong parameters
  • lc3_encoder_size⚠
  • lc3_frame_bytes⚠
  • lc3_frame_samples⚠
  • lc3_hr_decoder_size⚠
    Return size needed for an decoder hrmode Enable High-Resolution mode (48000 and 96000 sample rates) dt_us Frame duration in us, 2500, 5000, 7500 or 10000 sr_hz Sample rate in Hz, 8000, 16000, 24000, 32000, 48000 or 96000 return Size of then decoder in bytes, 0 on bad parameters
  • lc3_hr_delay_samples⚠
    Return algorithmic delay, as a number of samples hrmode Enable High-Resolution mode (48000 and 96000 sample rates) dt_us Frame duration in us, 2500, 5000, 7500 or 10000 sr_hz Sample rate in Hz, 8000, 16000, 24000, 32000, 48000 or 96000 return Number of algorithmic delay samples, -1 on bad parameters
  • lc3_hr_encoder_size⚠
    Return size needed for an encoder hrmode Enable High-Resolution mode (48000 and 96000 sample rates) dt_us Frame duration in us, 2500, 5000, 7500 or 10000 sr_hz Sample rate in Hz, 8000, 16000, 24000, 32000, 48000 or 96000 return Size of then encoder in bytes, 0 on bad parameters
  • lc3_hr_frame_bytes⚠
    Return the size of frames, from bitrate hrmode Enable High-Resolution mode (48000 and 96000 sample rates) dt_us Frame duration in us, 2500, 5000, 7500 or 10000 sr_hz Sample rate in Hz, 8000, 16000, 24000, 32000, 48000 or 96000 bitrate Target bitrate in bit per second, 0 or INT_MAX returns respectively the minimum and maximum allowed size. return The floor size in bytes of the frames, -1 on bad parameters
  • lc3_hr_frame_samples⚠
    Return the number of PCM samples in a frame hrmode Enable High-Resolution mode (48000 and 96000 sample rates) dt_us Frame duration in us, 2500, 5000, 7500 or 10000 sr_hz Sample rate in Hz, 8000, 16000, 24000, 32000, 48000 or 96000 return Number of PCM samples, -1 on bad parameters
  • lc3_hr_resolve_bitrate⚠
    Resolve the bitrate, from the size of frames hrmode Enable High-Resolution mode (48000 and 96000 sample rates) dt_us Frame duration in us, 2500, 5000, 7500 or 10000 sr_hz Sample rate in Hz, 8000, 16000, 24000, 32000, 48000 or 96000 nbytes Size in bytes of the frames, 0 or INT_MAX returns respectively the minimum and maximum allowed bitrate. return The according bitrate in bps, -1 on bad parameters
  • lc3_hr_setup_decoder⚠
    Setup decoder hrmode Enable High-Resolution mode (48000 and 96000 sample rates) dt_us Frame duration in us, 2500, 5000, 7500 or 10000 sr_hz Sample rate in Hz, 8000, 16000, 24000, 32000, 48000 or 96000 sr_pcm_hz Output sample rate, upsampling option of output (or 0) mem Decoder memory space, aligned to pointer type return Decoder as an handle, NULL on bad parameters
  • lc3_hr_setup_encoder⚠
    Setup encoder hrmode Enable High-Resolution mode (48000 and 96000 sample rates) dt_us Frame duration in us, 2500, 5000, 7500 or 10000 sr_hz Sample rate in Hz, 8000, 16000, 24000, 32000, 48000 or 96000 sr_pcm_hz Input sample rate, downsampling option of input, or 0 mem Encoder memory space, aligned to pointer type return Encoder as an handle, NULL on bad parameters
  • lc3_resolve_bitrate⚠
  • lc3_setup_decoder⚠
  • lc3_setup_encoder⚠

Type Aliases