FFmpeg
Data Structures | Macros | Functions | Variables
mpegaudiodsp.h File Reference
#include <stddef.h>
#include <stdint.h>
#include "libavutil/macros.h"

Go to the source code of this file.

Data Structures

struct  MPADSPContext
 

Macros

#define MDCT_BUF_SIZE   FFALIGN(36, 2*4)
 For SSE implementation, MDCT_BUF_SIZE/2 should be 128-bit aligned. More...
 

Functions

void ff_mpadsp_init (MPADSPContext *s)
 
void ff_mpa_synth_filter_fixed (MPADSPContext *s, int32_t *synth_buf_ptr, int *synth_buf_offset, int32_t *window, int *dither_state, int16_t *samples, ptrdiff_t incr, int32_t *sb_samples)
 
void ff_mpa_synth_filter_float (MPADSPContext *s, float *synth_buf_ptr, int *synth_buf_offset, float *window, int *dither_state, float *samples, ptrdiff_t incr, float *sb_samples)
 
void ff_mpadsp_init_aarch64 (MPADSPContext *s)
 
void ff_mpadsp_init_arm (MPADSPContext *s)
 
void ff_mpadsp_init_ppc (MPADSPContext *s)
 
void ff_mpadsp_init_x86 (MPADSPContext *s)
 
void ff_mpadsp_init_x86_tabs (void)
 
void ff_mpadsp_init_mipsfpu (MPADSPContext *s)
 
void ff_mpadsp_init_mipsdsp (MPADSPContext *s)
 
void ff_mpa_synth_init_float (void)
 
void ff_mpa_synth_init_fixed (void)
 
void ff_mpadsp_apply_window_float (float *synth_buf, float *window, int *dither_state, float *samples, ptrdiff_t incr)
 
void ff_mpadsp_apply_window_fixed (int32_t *synth_buf, int32_t *window, int *dither_state, int16_t *samples, ptrdiff_t incr)
 
void ff_imdct36_blocks_float (float *out, float *buf, float *in, int count, int switch_point, int block_type)
 
void ff_imdct36_blocks_fixed (int *out, int *buf, int *in, int count, int switch_point, int block_type)
 

Variables

int32_t ff_mpa_synth_window_fixed []
 
float ff_mpa_synth_window_float []
 
const int32_t ff_mpa_enwindow [257]
 
int ff_mdct_win_fixed [8][MDCT_BUF_SIZE]
 
float ff_mdct_win_float [8][MDCT_BUF_SIZE]
 

Macro Definition Documentation

◆ MDCT_BUF_SIZE

#define MDCT_BUF_SIZE   FFALIGN(36, 2*4)

For SSE implementation, MDCT_BUF_SIZE/2 should be 128-bit aligned.

Definition at line 87 of file mpegaudiodsp.h.

Function Documentation

◆ ff_mpadsp_init()

void ff_mpadsp_init ( MPADSPContext s)

Definition at line 81 of file mpegaudiodsp.c.

Referenced by decode_init(), mpc7_decode_init(), mpc8_decode_init(), and qdm2_decode_init().

◆ ff_mpa_synth_filter_fixed()

void ff_mpa_synth_filter_fixed ( MPADSPContext s,
int32_t synth_buf_ptr,
int synth_buf_offset,
int32_t window,
int dither_state,
int16_t *  samples,
ptrdiff_t  incr,
int32_t sb_samples 
)

Referenced by mpc_synth().

◆ ff_mpa_synth_filter_float()

void ff_mpa_synth_filter_float ( MPADSPContext s,
float synth_buf_ptr,
int synth_buf_offset,
float window,
int dither_state,
float samples,
ptrdiff_t  incr,
float sb_samples 
)

Referenced by qdm2_synthesis_filter().

◆ ff_mpadsp_init_aarch64()

void ff_mpadsp_init_aarch64 ( MPADSPContext s)

Definition at line 32 of file mpegaudiodsp_init.c.

Referenced by ff_mpadsp_init().

◆ ff_mpadsp_init_arm()

void ff_mpadsp_init_arm ( MPADSPContext s)

Definition at line 31 of file mpegaudiodsp_init_arm.c.

Referenced by ff_mpadsp_init().

◆ ff_mpadsp_init_ppc()

void ff_mpadsp_init_ppc ( MPADSPContext s)

Definition at line 134 of file mpegaudiodsp_altivec.c.

Referenced by ff_mpadsp_init().

◆ ff_mpadsp_init_x86()

void ff_mpadsp_init_x86 ( MPADSPContext s)

Definition at line 262 of file mpegaudiodsp.c.

Referenced by ff_mpadsp_init().

◆ ff_mpadsp_init_x86_tabs()

void ff_mpadsp_init_x86_tabs ( void  )

Definition at line 245 of file mpegaudiodsp.c.

Referenced by mpadsp_init_tabs().

◆ ff_mpadsp_init_mipsfpu()

void ff_mpadsp_init_mipsfpu ( MPADSPContext s)

Definition at line 1249 of file mpegaudiodsp_mips_float.c.

Referenced by ff_mpadsp_init().

◆ ff_mpadsp_init_mipsdsp()

void ff_mpadsp_init_mipsdsp ( MPADSPContext s)

Definition at line 911 of file mpegaudiodsp_mips_fixed.c.

Referenced by ff_mpadsp_init().

◆ ff_mpa_synth_init_float()

void ff_mpa_synth_init_float ( void  )

Referenced by qdm2_init_static_data().

◆ ff_mpa_synth_init_fixed()

void ff_mpa_synth_init_fixed ( void  )

◆ ff_mpadsp_apply_window_float()

void ff_mpadsp_apply_window_float ( float synth_buf,
float window,
int dither_state,
float samples,
ptrdiff_t  incr 
)

Referenced by ff_mpadsp_init().

◆ ff_mpadsp_apply_window_fixed()

void ff_mpadsp_apply_window_fixed ( int32_t synth_buf,
int32_t window,
int dither_state,
int16_t *  samples,
ptrdiff_t  incr 
)

Referenced by ff_mpadsp_init().

◆ ff_imdct36_blocks_float()

void ff_imdct36_blocks_float ( float out,
float buf,
float in,
int  count,
int  switch_point,
int  block_type 
)

Referenced by ff_mpadsp_init().

◆ ff_imdct36_blocks_fixed()

void ff_imdct36_blocks_fixed ( int out,
int buf,
int in,
int  count,
int  switch_point,
int  block_type 
)

Referenced by ff_mpadsp_init().

Variable Documentation

◆ ff_mpa_synth_window_fixed

int32_t ff_mpa_synth_window_fixed[]

Referenced by mpc_synth().

◆ ff_mpa_synth_window_float

float ff_mpa_synth_window_float[]

Referenced by qdm2_synthesis_filter().

◆ ff_mpa_enwindow

const int32_t ff_mpa_enwindow[257]

Definition at line 22 of file mpegaudiodsp_data.c.

Referenced by MPA_encode_init(), and mpa_synth_init().

◆ ff_mdct_win_fixed

int ff_mdct_win_fixed[8][MDCT_BUF_SIZE]

Referenced by mpadsp_init_tabs().

◆ ff_mdct_win_float

float ff_mdct_win_float[8][MDCT_BUF_SIZE]