ffmpeg_fft.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <glsym/glsym.h>
#include <libretro.h>
#include <retro_miscellaneous.h>
#include <retro_inline.h>
#include <filters.h>
#include <math/complex.h>
#include <gfx/math/matrix_4x4.h>
#include <gfx/math/vector_2.h>
#include "ffmpeg_fft.h"
#include "gl_shaders/fft_heightmap.glsl.vert.h"
#include "gl_shaders/fft_heightmap.glsl.frag.h"
#include "gl_shaders/fft_vertex_program.glsl.vert.h"
#include "gl_shaders/fft_fragment_program_resolve.glsl.frag.h"
#include "gl_shaders/fft_fragment_program_real.glsl.frag.h"
#include "gl_shaders/fft_fragment_program_complex.glsl.frag.h"
#include "gl_shaders/fft_fragment_program_blur.glsl.frag.h"

Include dependency graph for ffmpeg_fft.c:

Classes
struct	target
class	Pass
struct	GLFFT
struct	GLFFT::Block

Macros
#define	GL_CHECK_ERROR()
#define	M_HALF_PI   1.57079632679489661923132169163975144
#define	KAISER_BETA   12.0

Typedefs
typedef float	stub_matrix4x4[4][4]

Functions
static GLuint	fft_compile_shader (fft_t *fft, GLenum type, const char *source)
static GLuint	fft_compile_program (fft_t *fft, const char *vertex_source, const char *fragment_source)
static INLINE unsigned	log2i (unsigned x)
static INLINE unsigned	bitinverse (unsigned x, unsigned size)
static fft_complex_t	exp_imag (float phase)
void	fft_build_params (fft_t *fft, GLuint *buffer, unsigned step, unsigned size)
static void	fft_init_quad_vao (fft_t *fft)
static void	fft_init_texture (fft_t *fft, GLuint *tex, GLenum format, unsigned width, unsigned height, unsigned levels, GLenum mag, GLenum min)
static void	fft_init_target (fft_t *fft, struct target *target, GLenum format, unsigned width, unsigned height, unsigned levels, GLenum mag, GLenum min)
static void	fft_init (fft_t *fft)
static void	fft_init_block (fft_t *fft)
static bool	fft_context_reset (fft_t *fft, unsigned fft_steps, rglgen_proc_address_t proc, unsigned fft_depth)
fft_t *	fft_new (unsigned fft_steps, rglgen_proc_address_t proc)
void	fft_init_multisample (fft_t *fft, unsigned width, unsigned height, unsigned samples)
static void	fft_context_destroy (fft_t *fft)
void	fft_free (fft_t *fft)
void	fft_step_fft (fft_t *fft, const GLshort *audio_buffer, unsigned frames)
void	fft_render (fft_t *fft, GLuint backbuffer, unsigned width, unsigned height)

Variables
retro_log_printf_t	log_cb

Macro Definition Documentation

GL_CHECK_ERROR

#define GL_CHECK_ERROR

(

)

KAISER_BETA

#define KAISER_BETA   12.0

M_HALF_PI

#define M_HALF_PI   1.57079632679489661923132169163975144

Typedef Documentation

stub_matrix4x4

typedef float stub_matrix4x4[4][4]

Function Documentation

bitinverse()

static INLINE unsigned bitinverse ( unsigned  x, unsigned  size  )

static

Here is the call graph for this function:

Here is the caller graph for this function:

exp_imag()

static fft_complex_t exp_imag ( float  phase )

static

Here is the caller graph for this function:

fft_build_params()

void fft_build_params	(	fft_t *	fft,
		GLuint *	buffer,
		unsigned	step,
		unsigned	size
	)

Here is the call graph for this function:

Here is the caller graph for this function:

fft_compile_program()

static GLuint fft_compile_program ( fft_t *  fft, const char *  vertex_source, const char *  fragment_source  )

static

Here is the call graph for this function:

Here is the caller graph for this function:

fft_compile_shader()

static GLuint fft_compile_shader ( fft_t *  fft, GLenum  type, const char *  source  )

static

Here is the caller graph for this function:

fft_context_destroy()

static void fft_context_destroy ( fft_t *  fft )

static

Here is the call graph for this function:

Here is the caller graph for this function:

fft_context_reset()

static bool fft_context_reset ( fft_t *  fft, unsigned  fft_steps, rglgen_proc_address_t  proc, unsigned  fft_depth  )

static

Here is the call graph for this function:

Here is the caller graph for this function:

fft_free()

void fft_free

(

fft_t *

fft

)

Here is the caller graph for this function:

fft_init()

static void fft_init ( fft_t *  fft )

static

Here is the call graph for this function:

Here is the caller graph for this function:

fft_init_block()

static void fft_init_block ( fft_t *  fft )

static

Here is the call graph for this function:

Here is the caller graph for this function:

fft_init_multisample()

void fft_init_multisample	(	fft_t *	fft,
		unsigned	width,
		unsigned	height,
		unsigned	samples
	)

Here is the call graph for this function:

Here is the caller graph for this function:

fft_init_quad_vao()

static void fft_init_quad_vao ( fft_t *  fft )

static

Here is the caller graph for this function:

fft_init_target()

static void fft_init_target ( fft_t *  fft, struct target *  target, GLenum  format, unsigned  width, unsigned  height, unsigned  levels, GLenum  mag, GLenum  min  )

static

Here is the call graph for this function:

Here is the caller graph for this function:

fft_init_texture()

static void fft_init_texture ( fft_t *  fft, GLuint *  tex, GLenum  format, unsigned  width, unsigned  height, unsigned  levels, GLenum  mag, GLenum  min  )

static

Here is the caller graph for this function:

fft_new()

fft_t* fft_new	(	unsigned	fft_steps,
		rglgen_proc_address_t	proc
	)

Here is the call graph for this function:

Here is the caller graph for this function:

fft_render()

void fft_render	(	fft_t *	fft,
		GLuint	backbuffer,
		unsigned	width,
		unsigned	height
	)

Here is the caller graph for this function:

fft_step_fft()

void fft_step_fft	(	fft_t *	fft,
		const GLshort *	audio_buffer,
		unsigned	frames
	)

Here is the call graph for this function:

Here is the caller graph for this function:

log2i()

static INLINE unsigned log2i ( unsigned  x )

static

Here is the caller graph for this function:

Variable Documentation

log_cb

retro_log_printf_t log_cb