AgsAudioBufferUtil: Advanced Gtk+ Sequencer Audio Reference Manual

AgsAudioBufferUtil

AgsAudioBufferUtil — audio buffer util

Stability Level

Stable, unless otherwise indicated

Functions

#define	AGS_AUDIO_BUFFER_S8()
#define	AGS_AUDIO_BUFFER_S16()
#define	AGS_AUDIO_BUFFER_S24()
#define	AGS_AUDIO_BUFFER_S32()
#define	AGS_AUDIO_BUFFER_S64()
#define	AGS_AUDIO_BUFFER_FLOAT()
#define	AGS_AUDIO_BUFFER_DOUBLE()
#define	AGS_AUDIO_BUFFER_COMPLEX()
#define	AGS_AUDIO_BUFFER_UTIL_S8_TO_COMPLEX()
#define	AGS_AUDIO_BUFFER_UTIL_S16_TO_COMPLEX()
#define	AGS_AUDIO_BUFFER_UTIL_S24_TO_COMPLEX()
#define	AGS_AUDIO_BUFFER_UTIL_S32_TO_COMPLEX()
#define	AGS_AUDIO_BUFFER_UTIL_S64_TO_COMPLEX()
#define	AGS_AUDIO_BUFFER_UTIL_FLOAT_TO_COMPLEX()
#define	AGS_AUDIO_BUFFER_UTIL_DOUBLE_TO_COMPLEX()
#define	AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S8()
#define	AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S16()
#define	AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S24()
#define	AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S32()
#define	AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S64()
#define	AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_FLOAT()
#define	AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_DOUBLE()
AgsAudioBufferUtilFormat	ags_audio_buffer_util_format_from_soundcard ()
AgsAudioBufferUtilCopyMode	ags_audio_buffer_util_get_copy_mode ()
void	ags_audio_buffer_util_clear_float ()
void	ags_audio_buffer_util_clear_float32 ()
void	ags_audio_buffer_util_clear_double ()
void	ags_audio_buffer_util_clear_complex ()
void	ags_audio_buffer_util_clear_buffer ()
void	ags_audio_buffer_util_pong_s8 ()
void	ags_audio_buffer_util_pong_s16 ()
void	ags_audio_buffer_util_pong_s24 ()
void	ags_audio_buffer_util_pong_s32 ()
void	ags_audio_buffer_util_pong_s64 ()
void	ags_audio_buffer_util_pong_float ()
void	ags_audio_buffer_util_pong_double ()
void	ags_audio_buffer_util_pong_complex ()
void	ags_audio_buffer_util_pong ()
void	ags_audio_buffer_util_copy_s8_to_s8 ()
void	ags_audio_buffer_util_copy_s8_to_s16 ()
void	ags_audio_buffer_util_copy_s8_to_s24 ()
void	ags_audio_buffer_util_copy_s8_to_s32 ()
void	ags_audio_buffer_util_copy_s8_to_s64 ()
void	ags_audio_buffer_util_copy_s8_to_float ()
void	ags_audio_buffer_util_copy_s8_to_double ()
void	ags_audio_buffer_util_copy_s16_to_s8 ()
void	ags_audio_buffer_util_copy_s16_to_s16 ()
void	ags_audio_buffer_util_copy_s16_to_s24 ()
void	ags_audio_buffer_util_copy_s16_to_s32 ()
void	ags_audio_buffer_util_copy_s16_to_s64 ()
void	ags_audio_buffer_util_copy_s16_to_float ()
void	ags_audio_buffer_util_copy_s16_to_double ()
void	ags_audio_buffer_util_copy_s24_to_s8 ()
void	ags_audio_buffer_util_copy_s24_to_s16 ()
void	ags_audio_buffer_util_copy_s24_to_s24 ()
void	ags_audio_buffer_util_copy_s24_to_s32 ()
void	ags_audio_buffer_util_copy_s24_to_s64 ()
void	ags_audio_buffer_util_copy_s24_to_float ()
void	ags_audio_buffer_util_copy_s24_to_double ()
void	ags_audio_buffer_util_copy_s32_to_s8 ()
void	ags_audio_buffer_util_copy_s32_to_s16 ()
void	ags_audio_buffer_util_copy_s32_to_s24 ()
void	ags_audio_buffer_util_copy_s32_to_s32 ()
void	ags_audio_buffer_util_copy_s32_to_s64 ()
void	ags_audio_buffer_util_copy_s32_to_float ()
void	ags_audio_buffer_util_copy_s32_to_double ()
void	ags_audio_buffer_util_copy_s64_to_s8 ()
void	ags_audio_buffer_util_copy_s64_to_s16 ()
void	ags_audio_buffer_util_copy_s64_to_s24 ()
void	ags_audio_buffer_util_copy_s64_to_s32 ()
void	ags_audio_buffer_util_copy_s64_to_s64 ()
void	ags_audio_buffer_util_copy_s64_to_float ()
void	ags_audio_buffer_util_copy_s64_to_double ()
void	ags_audio_buffer_util_copy_float_to_s8 ()
void	ags_audio_buffer_util_copy_float_to_s16 ()
void	ags_audio_buffer_util_copy_float_to_s24 ()
void	ags_audio_buffer_util_copy_float_to_s32 ()
void	ags_audio_buffer_util_copy_float_to_s64 ()
void	ags_audio_buffer_util_copy_float_to_float ()
void	ags_audio_buffer_util_copy_float_to_double ()
void	ags_audio_buffer_util_copy_double_to_s8 ()
void	ags_audio_buffer_util_copy_double_to_s16 ()
void	ags_audio_buffer_util_copy_double_to_s24 ()
void	ags_audio_buffer_util_copy_double_to_s32 ()
void	ags_audio_buffer_util_copy_double_to_s64 ()
void	ags_audio_buffer_util_copy_double_to_float ()
void	ags_audio_buffer_util_copy_double_to_double ()
void	ags_audio_buffer_util_copy_s8_to_float32 ()
void	ags_audio_buffer_util_copy_s16_to_float32 ()
void	ags_audio_buffer_util_copy_s24_to_float32 ()
void	ags_audio_buffer_util_copy_s32_to_float32 ()
void	ags_audio_buffer_util_copy_s64_to_float32 ()
void	ags_audio_buffer_util_copy_float_to_float32 ()
void	ags_audio_buffer_util_copy_double_to_float32 ()
void	ags_audio_buffer_util_copy_float32_to_float32 ()
void	ags_audio_buffer_util_copy_float32_to_s8 ()
void	ags_audio_buffer_util_copy_float32_to_s16 ()
void	ags_audio_buffer_util_copy_float32_to_s24 ()
void	ags_audio_buffer_util_copy_float32_to_s32 ()
void	ags_audio_buffer_util_copy_float32_to_s64 ()
void	ags_audio_buffer_util_copy_float32_to_float ()
void	ags_audio_buffer_util_copy_float32_to_double ()
void	ags_audio_buffer_util_copy_s8_to_complex ()
void	ags_audio_buffer_util_copy_s16_to_complex ()
void	ags_audio_buffer_util_copy_s24_to_complex ()
void	ags_audio_buffer_util_copy_s32_to_complex ()
void	ags_audio_buffer_util_copy_s64_to_complex ()
void	ags_audio_buffer_util_copy_float_to_complex ()
void	ags_audio_buffer_util_copy_double_to_complex ()
void	ags_audio_buffer_util_copy_float32_to_complex ()
void	ags_audio_buffer_util_copy_complex_to_complex ()
void	ags_audio_buffer_util_copy_complex_to_s8 ()
void	ags_audio_buffer_util_copy_complex_to_s16 ()
void	ags_audio_buffer_util_copy_complex_to_s24 ()
void	ags_audio_buffer_util_copy_complex_to_s32 ()
void	ags_audio_buffer_util_copy_complex_to_s64 ()
void	ags_audio_buffer_util_copy_complex_to_float ()
void	ags_audio_buffer_util_copy_complex_to_double ()
void	ags_audio_buffer_util_copy_complex_to_float32 ()
void	ags_audio_buffer_util_copy_buffer_to_buffer ()
GType	ags_audio_buffer_util_get_type ()

Types and Values

enum	AgsAudioBufferUtilFormat
enum	AgsAudioBufferUtilSamplerate
enum	AgsAudioBufferUtilCopyMode
#define	AGS_TYPE_AUDIO_BUFFER_UTIL
struct	AgsAudioBufferUtil

Object Hierarchy

    GBoxed
    ╰── AgsAudioBufferUtil

Includes

#include <ags/audio/ags_audio_buffer_util.h>

Description

Utility functions to process audio buffer.

Functions

AGS_AUDIO_BUFFER_S8()

#define AGS_AUDIO_BUFFER_S8(ptr) ((gint8 *)(ptr))

AGS_AUDIO_BUFFER_S16()

#define AGS_AUDIO_BUFFER_S16(ptr) ((gint16 *)(ptr))

AGS_AUDIO_BUFFER_S24()

#define AGS_AUDIO_BUFFER_S24(ptr) ((gint32 *)(ptr))

AGS_AUDIO_BUFFER_S32()

#define AGS_AUDIO_BUFFER_S32(ptr) ((gint32 *)(ptr))

AGS_AUDIO_BUFFER_S64()

#define AGS_AUDIO_BUFFER_S64(ptr) ((gint64 *)(ptr))

AGS_AUDIO_BUFFER_FLOAT()

#define AGS_AUDIO_BUFFER_FLOAT(ptr) ((gfloat *)(ptr))

AGS_AUDIO_BUFFER_DOUBLE()

#define AGS_AUDIO_BUFFER_DOUBLE(ptr) ((gdouble *)(ptr))

AGS_AUDIO_BUFFER_COMPLEX()

#define AGS_AUDIO_BUFFER_COMPLEX(ptr) ((AgsComplex *)(ptr))

AGS_AUDIO_BUFFER_UTIL_S8_TO_COMPLEX()

#define             AGS_AUDIO_BUFFER_UTIL_S8_TO_COMPLEX(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_S16_TO_COMPLEX()

#define             AGS_AUDIO_BUFFER_UTIL_S16_TO_COMPLEX(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_S24_TO_COMPLEX()

#define             AGS_AUDIO_BUFFER_UTIL_S24_TO_COMPLEX(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_S32_TO_COMPLEX()

#define             AGS_AUDIO_BUFFER_UTIL_S32_TO_COMPLEX(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_S64_TO_COMPLEX()

#define             AGS_AUDIO_BUFFER_UTIL_S64_TO_COMPLEX(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_FLOAT_TO_COMPLEX()

#define             AGS_AUDIO_BUFFER_UTIL_FLOAT_TO_COMPLEX(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_DOUBLE_TO_COMPLEX()

#define             AGS_AUDIO_BUFFER_UTIL_DOUBLE_TO_COMPLEX(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S8()

#define             AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S8(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S16()

#define             AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S16(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S24()

#define             AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S24(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S32()

#define             AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S32(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S64()

#define             AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_S64(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_FLOAT()

#define             AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_FLOAT(x_val, x_retval)

AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_DOUBLE()

#define             AGS_AUDIO_BUFFER_UTIL_COMPLEX_TO_DOUBLE(x_val, x_retval)

ags_audio_buffer_util_format_from_soundcard ()

AgsAudioBufferUtilFormat
ags_audio_buffer_util_format_from_soundcard
                               (AgsSoundcardFormat soundcard_format);

Translate soundcard format to audio buffer util format.

Parameters

soundcard_format

the soundcard bit mode

Returns

the converted format

Since: 3.0.0

ags_audio_buffer_util_get_copy_mode ()

AgsAudioBufferUtilCopyMode
ags_audio_buffer_util_get_copy_mode (AgsAudioBufferUtilFormat destination_format,
                                     AgsAudioBufferUtilFormat source_format);

Get copy mode for given destination and source format.

Parameters

destination_format	the destination buffer format
source_format	the source buffer format

Returns

the desired copy mode

Since: 3.0.0

ags_audio_buffer_util_clear_float ()

void
ags_audio_buffer_util_clear_float (gfloat *buffer,
                                   guint channels,
                                   guint count);

Clears a buffer.

Parameters

buffer	the buffer to clear
channels	number of channels
count	count frames

Since: 3.0.0

ags_audio_buffer_util_clear_float32 ()

void
ags_audio_buffer_util_clear_float32 (Float32 *buffer,
                                     guint channels,
                                     guint count);

Clears a buffer.

Parameters

buffer	the buffer to clear
channels	number of channels
count	count frames

Since: 3.0.0

ags_audio_buffer_util_clear_double ()

void
ags_audio_buffer_util_clear_double (gdouble *buffer,
                                    guint channels,
                                    guint count);

Clears a buffer.

Parameters

buffer	the buffer to clear
channels	number of channels
count	count frames

Since: 3.0.0

ags_audio_buffer_util_clear_complex ()

void
ags_audio_buffer_util_clear_complex (AgsComplex *buffer,
                                     guint channels,
                                     guint count);

Clears a buffer.

Parameters

buffer	the buffer to clear
channels	number of channels
count	count frames

Since: 3.0.0

ags_audio_buffer_util_clear_buffer ()

void
ags_audio_buffer_util_clear_buffer (void *buffer,
                                    guint channels,
                                    guint count,
                                    guint format);

Clears the audio data.

Parameters

buffer	the audio data
channels	the number of channels
count	number of frames
format	the format

Since: 3.0.0

ags_audio_buffer_util_pong_s8 ()

void
ags_audio_buffer_util_pong_s8 (gint8 *destination,
                               guint dchannels,
                               gint8 *source,
                               guint schannels,
                               guint count);

Pingpong copy source to destination .

Parameters

destination	the destination
dchannels	the destination channels
source	the source
schannels	the source channels
count	the count of frames

Since: 3.4.0

ags_audio_buffer_util_pong_s16 ()

void
ags_audio_buffer_util_pong_s16 (gint16 *destination,
                                guint dchannels,
                                gint16 *source,
                                guint schannels,
                                guint count);

Pingpong copy source to destination .

Parameters

destination	the destination
dchannels	the destination channels
source	the source
schannels	the source channels
count	the count of frames

Since: 3.4.0

ags_audio_buffer_util_pong_s24 ()

void
ags_audio_buffer_util_pong_s24 (gint32 *destination,
                                guint dchannels,
                                gint32 *source,
                                guint schannels,
                                guint count);

Pingpong copy source to destination .

Parameters

destination	the destination
dchannels	the destination channels
source	the source
schannels	the source channels
count	the count of frames

Since: 3.4.0

ags_audio_buffer_util_pong_s32 ()

void
ags_audio_buffer_util_pong_s32 (gint32 *destination,
                                guint dchannels,
                                gint32 *source,
                                guint schannels,
                                guint count);

Pingpong copy source to destination .

Parameters

destination	the destination
dchannels	the destination channels
source	the source
schannels	the source channels
count	the count of frames

Since: 3.4.0

ags_audio_buffer_util_pong_s64 ()

void
ags_audio_buffer_util_pong_s64 (gint64 *destination,
                                guint dchannels,
                                gint64 *source,
                                guint schannels,
                                guint count);

Pingpong copy source to destination .

Parameters

destination	the destination
dchannels	the destination channels
source	the source
schannels	the source channels
count	the count of frames

Since: 3.4.0

ags_audio_buffer_util_pong_float ()

void
ags_audio_buffer_util_pong_float (gfloat *destination,
                                  guint dchannels,
                                  gfloat *source,
                                  guint schannels,
                                  guint count);

Pingpong copy source to destination .

Parameters

destination	the destination
dchannels	the destination channels
source	the source
schannels	the source channels
count	the count of frames

Since: 3.4.0

ags_audio_buffer_util_pong_double ()

void
ags_audio_buffer_util_pong_double (gdouble *destination,
                                   guint dchannels,
                                   gdouble *source,
                                   guint schannels,
                                   guint count);

Pingpong copy source to destination .

Parameters

destination	the destination
dchannels	the destination channels
source	the source
schannels	the source channels
count	the count of frames

Since: 3.4.0

ags_audio_buffer_util_pong_complex ()

void
ags_audio_buffer_util_pong_complex (AgsComplex *destination,
                                    guint dchannels,
                                    AgsComplex *source,
                                    guint schannels,
                                    guint count);

Pingpong copy source to destination .

Parameters

destination	the destination
dchannels	the destination channels
source	the source
schannels	the source channels
count	the count of frames

Since: 3.4.0

ags_audio_buffer_util_pong ()

void
ags_audio_buffer_util_pong (void *destination,
                            guint dchannels,
                            void *source,
                            guint schannels,
                            guint count,
                            guint format);

Pingpong copy source to destination .

Parameters

destination	the destination
dchannels	the destination channels
source	the source
schannels	the source channels
count	the count of frames
format	the format

Since: 3.4.0