FFmpeg: libavcodec/mpegaudiodsp.h File Reference

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Data Structures | Macros | Functions | Variables

mpegaudiodsp.h File Reference

#include <stdint.h>
#include "libavutil/common.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.

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, int 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, int 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_mipsfpu (MPADSPContext *s)

void ff_mpadsp_init_mipsdspr1 (MPADSPContext *s)

void ff_mpa_synth_init_float (float *window)

void ff_mpa_synth_init_fixed (int32_t *window)

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

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

void ff_init_mpadsp_tabs_float (void)

void ff_init_mpadsp_tabs_fixed (void)

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

#define MDCT_BUF_SIZE FFALIGN(36, 2*4)

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

Definition at line 85 of file mpegaudiodsp.h.

Referenced by ff_init_mpadsp_tabs_TMPL(), and imdct36().

Function Documentation

void ff_mpadsp_init ( MPADSPContext * s )

Definition at line 27 of file mpegaudiodsp.c.

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

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,

int incr,

int32_t * sb_samples

)

Referenced by mpc_synth().

void ff_mpa_synth_filter_float ( MPADSPContext * s,

float * synth_buf_ptr,

int * synth_buf_offset,

float * window,

int * dither_state,

float * samples,

int incr,

float * sb_samples

)

Referenced by qdm2_synthesis_filter().

void ff_mpadsp_init_aarch64 ( MPADSPContext * s )

Definition at line 31 of file mpegaudiodsp_init.c.

Referenced by ff_mpadsp_init().

void ff_mpadsp_init_arm ( MPADSPContext * s )

Definition at line 31 of file mpegaudiodsp_init_arm.c.

Referenced by ff_mpadsp_init().

void ff_mpadsp_init_ppc ( MPADSPContext * s )

Definition at line 133 of file mpegaudiodsp_altivec.c.

Referenced by ff_mpadsp_init().

void ff_mpadsp_init_x86 ( MPADSPContext * s )

Definition at line 240 of file mpegaudiodsp.c.

Referenced by ff_mpadsp_init().

void ff_mpadsp_init_mipsfpu ( MPADSPContext * s )

Definition at line 1246 of file mpegaudiodsp_mips_float.c.

Referenced by ff_mpadsp_init().

void ff_mpadsp_init_mipsdspr1 ( MPADSPContext * s )

Definition at line 904 of file mpegaudiodsp_mips_fixed.c.

Referenced by ff_mpadsp_init().

void ff_mpa_synth_init_float ( float * window )

Referenced by qdm2_init_static_data().

void ff_mpa_synth_init_fixed ( int32_t * window )

Referenced by ff_mpc_init().

void ff_mpadsp_apply_window_float ( float * synth_buf,

float * window,

int * dither_state,

float * samples,

int incr

)

Referenced by ff_mpadsp_init().

void ff_mpadsp_apply_window_fixed ( int32_t * synth_buf,

int32_t * window,

int * dither_state,

int16_t * samples,

int incr

)

Referenced by ff_mpadsp_init().

void ff_imdct36_blocks_float ( float * out,

float * buf,

float * in,

int count,

int switch_point,

int block_type

)

Referenced by ff_mpadsp_init().

void ff_imdct36_blocks_fixed ( int * out,

int * buf,

int * in,

int count,

int switch_point,

int block_type

)

Referenced by ff_mpadsp_init().

void ff_init_mpadsp_tabs_float ( void )

Referenced by ff_mpadsp_init().

void ff_init_mpadsp_tabs_fixed ( void )

Referenced by ff_mpadsp_init().

Variable Documentation

int32_t ff_mpa_synth_window_fixed[]

Referenced by ff_mpc_init(), and mpc_synth().

float ff_mpa_synth_window_float[]

Referenced by qdm2_init_static_data(), and qdm2_synthesis_filter().

const int32_t ff_mpa_enwindow[257]

Definition at line 22 of file mpegaudiodsp_data.c.

Referenced by ff_mpa_synth_init_TMPL(), and MPA_encode_init().

int ff_mdct_win_fixed[8][MDCT_BUF_SIZE]

Referenced by ff_imdct36_blocks_mips_fixed().

float ff_mdct_win_float[8][MDCT_BUF_SIZE]

Referenced by ff_imdct36_blocks_mips_float(), and ff_mpadsp_init_x86().

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