LiVES 2.4.6

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Macros | Functions | Variables
audio.c File Reference
`#include <sys/types.h>`
`#include <sys/stat.h>`
`#include "../libweed/weed.h"`
`#include "../libweed/weed-host.h"`
`#include "../libweed/weed-effects.h"`
`#include "../libweed/weed-palettes.h"`
`#include "main.h"`
`#include "audio.h"`
`#include "events.h"`
`#include "callbacks.h"`
`#include "effects.h"`
`#include "support.h"`

## Macros
#define | NSTOREDFDS 16

## Functions
void | audio_free_fnames (void)
void | append_to_audio_bufferf (lives_audio_buf_t *abuf, float *src, uint64_t nsamples, int channum)
void | append_to_audio_buffer16 (lives_audio_buf_t *abuf, void *src, uint64_t nsamples, int channum)
void | init_audio_frame_buffer (short aplayer)
void | free_audio_frame_buffer (lives_audio_buf_t *abuf)
LIVES_INLINE void | sample_silence_dS (float *dst, uint64_t nsamples)
void | sample_move_d8_d16 (short *dst, uint8_t *src, uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign)
void | sample_move_d16_d16 (int16_t *dst, int16_t *src, uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_endian, int swap_sign)
void | sample_move_d16_d8 (uint8_t *dst, short *src, uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign)
void | sample_move_d16_float (float *dst, short *src, uint64_t nsamples, uint64_t src_skip, int is_unsigned, boolean rev_endian, float vol)
void | sample_move_float_float (float *dst, float *src, uint64_t nsamples, float scale, int dst_skip)
int64_t | sample_move_float_int (void *holding_buff, float **float_buffer, int nsamps, float scale, int chans, int asamps, int usigned, boolean little_endian, boolean interleaved, float vol)
| returns frames output More...
int64_t | sample_move_abuf_float (float **obuf, int nchans, int nsamps, int out_arate, float vol)
int64_t | sample_move_abuf_int16 (short *obuf, int nchans, int nsamps, int out_arate)
boolean | float_deinterleave (float *fbuffer, int nsamps, int nchans)
boolean | float_interleave (float *fbuffer, int nsamps, int nchans)
int64_t | render_audio_segment (int nfiles, int *from_files, int to_file, double *avels, double *fromtime, weed_timecode_t tc_start, weed_timecode_t tc_end, double *chvol, double opvol_start, double opvol_end, lives_audio_buf_t *obuf)
LIVES_INLINE void | aud_fade (int fileno, double startt, double endt, double startv, double endv)
| fade in/fade out More...
lives_audio_track_state_t * | get_audio_and_effects_state_at (weed_plant_t *event_list, weed_plant_t *st_event, boolean get_audstate, boolean exact)
void | fill_abuffer_from (lives_audio_buf_t *abuf, weed_plant_t *event_list, weed_plant_t *st_event, boolean exact)
void | init_jack_audio_buffers (int achans, int arate, boolean exact)
void | init_pulse_audio_buffers (int achans, int arate, boolean exact)
void | free_jack_audio_buffers (void)
void | free_pulse_audio_buffers (void)
boolean | resync_audio (int frameno)
lives_audio_buf_t * | audio_cache_init (void)
void | audio_cache_end (void)
lives_audio_buf_t * | audio_cache_get_buffer (void)
boolean | get_audio_from_plugin (float *fbuffer, int nchans, int arate, int nsamps)
void | reinit_audio_gen (void)
boolean | apply_rte_audio_init (void)
void | apply_rte_audio_end (boolean del)
boolean | apply_rte_audio (int nframes)
boolean | push_audio_to_channel (weed_plant_t *achan, lives_audio_buf_t *abuf)
boolean | start_audio_stream (void)
void | stop_audio_stream (void)
void | clear_audio_stream (void)
LIVES_INLINE void | audio_stream (void *buff, size_t nbytes, int fd)

## Variables
off64_t | audio_pos
weed_timecode_t | aud_tc
lives_pgid_t | astream_pgid =0

## Macro Definition Documentation

#define NSTOREDFDS 16

## Function Documentation

void append_to_audio_buffer16 | ( | lives_audio_buf_t * | abuf,
|  | void * | src,
|  | uint64_t | nsamples,
|  | int | channum
| ) |  |

void append_to_audio_bufferf | ( | lives_audio_buf_t * | abuf,
|  | float * | src,
|  | uint64_t | nsamples,
|  | int | channum
| ) |  |

boolean apply_rte_audio | ( | int | nframes | ) |

void apply_rte_audio_end | ( | boolean | del | ) |

boolean apply_rte_audio_init | ( | void |  | ) |

LIVES_INLINE void aud_fade | ( | int | fileno,
|  | double | startt,
|  | double | endt,
|  | double | startv,
|  | double | endv
| ) |  |

fade in/fade out

void audio_cache_end | ( | void |  | ) |

< tell cache thread to exit when possible

lives_audio_buf_t* audio_cache_get_buffer | ( | void |  | ) |

lives_audio_buf_t* audio_cache_init | ( | void |  | ) |

void audio_free_fnames | ( | void |  | ) |

LIVES_INLINE void audio_stream | ( | void * | buff,
|  | size_t | nbytes,
|  | int | fd
| ) |  |

void clear_audio_stream | ( | void |  | ) |

void fill_abuffer_from | ( | lives_audio_buf_t * | abuf,
|  | weed_plant_t * | event_list,
|  | weed_plant_t * | st_event,
|  | boolean | exact
| ) |  |

boolean float_deinterleave | ( | float * | fbuffer,
|  | int | nsamps,
|  | int | nchans
| ) |  |

boolean float_interleave | ( | float * | fbuffer,
|  | int | nsamps,
|  | int | nchans
| ) |  |

void free_audio_frame_buffer | ( | lives_audio_buf_t * | abuf | ) |

void free_jack_audio_buffers | ( | void |  | ) |

void free_pulse_audio_buffers | ( | void |  | ) |

lives_audio_track_state_t* get_audio_and_effects_state_at | ( | weed_plant_t * | event_list,
|  | weed_plant_t * | st_event,
|  | boolean | get_audstate,
|  | boolean | exact
| ) |  |

boolean get_audio_from_plugin | ( | float * | fbuffer,
|  | int | nchans,
|  | int | arate,
|  | int | nsamps
| ) |  |

void init_audio_frame_buffer | ( | short | aplayer | ) |

void init_jack_audio_buffers | ( | int | achans,
|  | int | arate,
|  | boolean | exact
| ) |  |

void init_pulse_audio_buffers | ( | int | achans,
|  | int | arate,
|  | boolean | exact
| ) |  |

boolean push_audio_to_channel | ( | weed_plant_t * | achan,
|  | lives_audio_buf_t * | abuf
| ) |  |

void reinit_audio_gen | ( | void |  | ) |

int64_t render_audio_segment | ( | int | nfiles,
|  | int * | from_files,
|  | int | to_file,
|  | double * | avels,
|  | double * | fromtime,
|  | weed_timecode_t | tc_start,
|  | weed_timecode_t | tc_end,
|  | double * | chvol,
|  | double | opvol_start,
|  | double | opvol_end,
|  | lives_audio_buf_t * | obuf
| ) |  |

boolean resync_audio | ( | int | frameno | ) |

int64_t sample_move_abuf_float | ( | float ** | obuf,
|  | int | nchans,
|  | int | nsamps,
|  | int | out_arate,
|  | float | vol
| ) |  |

int64_t sample_move_abuf_int16 | ( | short * | obuf,
|  | int | nchans,
|  | int | nsamps,
|  | int | out_arate
| ) |  |

void sample_move_d16_d16 | ( | int16_t * | dst,
|  | int16_t * | src,
|  | uint64_t | nsamples,
|  | size_t | tbytes,
|  | float | scale,
|  | int | nDstChannels,
|  | int | nSrcChannels,
|  | int | swap_endian,
|  | int | swap_sign
| ) |  |

void sample_move_d16_d8 | ( | uint8_t * | dst,
|  | short * | src,
|  | uint64_t | nsamples,
|  | size_t | tbytes,
|  | float | scale,
|  | int | nDstChannels,
|  | int | nSrcChannels,
|  | int | swap_sign
| ) |  |

void sample_move_d16_float | ( | float * | dst,
|  | short * | src,
|  | uint64_t | nsamples,
|  | uint64_t | src_skip,
|  | int | is_unsigned,
|  | boolean | rev_endian,
|  | float | vol
| ) |  |

void sample_move_d8_d16 | ( | short * | dst,
|  | uint8_t * | src,
|  | uint64_t | nsamples,
|  | size_t | tbytes,
|  | float | scale,
|  | int | nDstChannels,
|  | int | nSrcChannels,
|  | int | swap_sign
| ) |  |

void sample_move_float_float | ( | float * | dst,
|  | float * | src,
|  | uint64_t | nsamples,
|  | float | scale,
|  | int | dst_skip
| ) |  |

int64_t sample_move_float_int | ( | void * | holding_buff,
|  | float ** | float_buffer,
|  | int | nsamps,
|  | float | scale,
|  | int | chans,
|  | int | asamps,
|  | int | usigned,
|  | boolean | little_endian,
|  | boolean | interleaved,
|  | float | vol
| ) |  |

returns frames output

LIVES_INLINE void sample_silence_dS | ( | float * | dst,
|  | uint64_t | nsamples
| ) |  |

boolean start_audio_stream | ( | void |  | ) |

void stop_audio_stream | ( | void |  | ) |

## Variable Documentation

lives_pgid_t astream_pgid =0

weed_timecode_t aud_tc

off64_t audio_pos