src/colourspace.c File Reference

#include <math.h>
#include "../libweed/weed.h"
#include "../libweed/weed-palettes.h"
#include "../libweed/weed-effects.h"
#include "../libweed/weed-host.h"
#include "support.h"
#include "main.h"

Functions
G_GNUC_CONST int	gdk_rowstride_value (int rowstride)
G_GNUC_CONST int	gdk_last_rowstride_value (int width, int nchans)
G_GNUC_CONST guchar	CLAMP0255 (gint32 a)
gboolean	weed_palette_is_alpha_palette (int pal)
gboolean	weed_palette_is_rgb_palette (int pal)
gboolean	weed_palette_is_yuv_palette (int pal)
gint	weed_palette_get_numplanes (int pal)
gboolean	weed_palette_is_valid_palette (int pal)
gint	weed_palette_get_bits_per_macropixel (int pal)
gint	weed_palette_get_pixels_per_macropixel (int pal)
gboolean	weed_palette_is_float_palette (int pal)
gboolean	weed_palette_has_alpha_channel (int pal)
gdouble	weed_palette_get_plane_ratio_horizontal (int pal, int plane)
gdouble	weed_palette_get_plane_ratio_vertical (int pal, int plane)
gboolean	weed_palette_is_lower_quality (int p1, int p2)
	return TRUE if p1 is lower quality than p2
const char *	weed_palette_get_name (int pal)
const char *	weed_yuv_clamping_get_name (int clamping)
const char *	weed_yuv_subspace_get_name (int subspace)
gchar *	weed_palette_get_name_full (int pal, int clamped, int subspace)
gdouble	weed_palette_get_compression_ratio (int pal)
int	fourccp_to_weedp (unsigned int fourcc, int bpp, lives_interlace_t *interlace, int *sampling, int *sspace, int *clamping)
gboolean	gdk_pixbuf_is_all_black (GdkPixbuf *pixbuf)
void	pixel_data_planar_from_membuf (void **pixel_data, void *data, size_t size, int palette)
void	convert_rgb_to_uyvy_frame (guchar *rgbdata, gint hsize, gint vsize, gint rowstride, uyvy_macropixel *u, gboolean has_alpha, gboolean clamped)
void	convert_rgb_to_yuv420_frame (guchar *rgbdata, gint hsize, gint vsize, gint rowstride, guchar **dest, gboolean is_422, gboolean has_alpha, int samtype, gboolean clamped)
void	switch_yuv_clamping_and_subspace (weed_plant_t *layer, int oclamping, int osubspace)
void	create_empty_pixel_data (weed_plant_t *layer)
gboolean	convert_layer_palette_full (weed_plant_t *layer, int outpl, int osamtype, gboolean oclamping, int osubspace)
gboolean	convert_layer_palette (weed_plant_t *layer, int outpl, int op_clamping)
GdkPixbuf *	gdk_pixbuf_new_blank (gint width, gint height, int palette)
GdkPixbuf *	layer_to_pixbuf (weed_plant_t *layer)
gboolean	weed_palette_is_resizable (int pal)
void	resize_layer (weed_plant_t *layer, int width, int height, int interp)
gboolean	pixbuf_to_layer (weed_plant_t *layer, GdkPixbuf *pixbuf)
weed_plant_t *	weed_layer_new (int width, int height, int *rowstrides, int current_palette)
weed_plant_t *	weed_layer_copy (weed_plant_t *dlayer, weed_plant_t *slayer)
void	weed_layer_free (weed_plant_t *layer)
int	weed_layer_get_palette (weed_plant_t *layer)
Variables
static short	max_Y
static short	min_UV
static short	max_UV
unsigned char	gamma_lut [256]
double	current_gamma = -1.

---

Function Documentation

G_GNUC_CONST guchar CLAMP0255

(

gint32

a

)

[inline]

gboolean convert_layer_palette	(	weed_plant_t *	layer,
		int	outpl,
		int	op_clamping
	)

gboolean convert_layer_palette_full	(	weed_plant_t *	layer,
		int	outpl,
		int	osamtype,
		gboolean	oclamping,
		int	osubspace
	)

void convert_rgb_to_uyvy_frame	(	guchar *	rgbdata,
		gint	hsize,
		gint	vsize,
		gint	rowstride,
		uyvy_macropixel *	u,
		gboolean	has_alpha,
		gboolean	clamped
	)

void convert_rgb_to_yuv420_frame	(	guchar *	rgbdata,
		gint	hsize,
		gint	vsize,
		gint	rowstride,
		guchar **	dest,
		gboolean	is_422,
		gboolean	has_alpha,
		int	samtype,
		gboolean	clamped
	)

void create_empty_pixel_data

(

weed_plant_t *

layer

)

int fourccp_to_weedp	(	unsigned int	fourcc,
		int	bpp,
		lives_interlace_t *	interlace,
		int *	sampling,
		int *	sspace,
		int *	clamping
	)

G_GNUC_CONST int gdk_last_rowstride_value	(	int	width,
		int	nchans
	)		[inline]

gboolean gdk_pixbuf_is_all_black

(

GdkPixbuf *

pixbuf

)

GdkPixbuf* gdk_pixbuf_new_blank	(	gint	width,
		gint	height,
		int	palette
	)

G_GNUC_CONST int gdk_rowstride_value

(

int

rowstride

)

[inline]

GdkPixbuf* layer_to_pixbuf

(

weed_plant_t *

layer

)

gboolean pixbuf_to_layer	(	weed_plant_t *	layer,
		GdkPixbuf *	pixbuf
	)

void pixel_data_planar_from_membuf	(	void **	pixel_data,
		void *	data,
		size_t	size,
		int	palette
	)

void resize_layer	(	weed_plant_t *	layer,
		int	width,
		int	height,
		int	interp
	)

void switch_yuv_clamping_and_subspace	(	weed_plant_t *	layer,
		int	oclamping,
		int	osubspace
	)

weed_plant_t* weed_layer_copy	(	weed_plant_t *	dlayer,
		weed_plant_t *	slayer
	)

void weed_layer_free

(

weed_plant_t *

layer

)

int weed_layer_get_palette

(

weed_plant_t *

layer

)

weed_plant_t* weed_layer_new	(	int	width,
		int	height,
		int *	rowstrides,
		int	current_palette
	)

gint weed_palette_get_bits_per_macropixel

(

int

pal

)

[inline]

gdouble weed_palette_get_compression_ratio

(

int

pal

)

const char* weed_palette_get_name

(

int

pal

)

gchar* weed_palette_get_name_full	(	int	pal,
		int	clamped,
		int	subspace
	)

gint weed_palette_get_numplanes

(

int

pal

)

[inline]

gint weed_palette_get_pixels_per_macropixel

(

int

pal

)

[inline]

gdouble weed_palette_get_plane_ratio_horizontal	(	int	pal,
		int	plane
	)		[inline]

gdouble weed_palette_get_plane_ratio_vertical	(	int	pal,
		int	plane
	)		[inline]

gboolean weed_palette_has_alpha_channel

(

int

pal

)

[inline]

gboolean weed_palette_is_alpha_palette

(

int

pal

)

[inline]

gboolean weed_palette_is_float_palette

(

int

pal

)

[inline]

gboolean weed_palette_is_lower_quality	(	int	p1,
		int	p2
	)

return TRUE if p1 is lower quality than p2

gboolean weed_palette_is_resizable

(

int

pal

)

[inline]

gboolean weed_palette_is_rgb_palette

(

int

pal

)

[inline]

gboolean weed_palette_is_valid_palette

(

int

pal

)

[inline]

gboolean weed_palette_is_yuv_palette

(

int

pal

)

[inline]

const char* weed_yuv_clamping_get_name

(

int

clamping

)

const char* weed_yuv_subspace_get_name

(

int

subspace

)

---

Variable Documentation

double current_gamma = -1.

unsigned char gamma_lut[256]

short max_UV

short max_Y

short min_UV