png.h File Reference

Go to the source code of this file.

Functions
void *	ff_png_zalloc (void *opaque, unsigned int items, unsigned int size)
void	ff_png_zfree (void *opaque, void *ptr)
int	ff_png_get_nb_channels (int color_type)
int	ff_png_pass_row_size (int pass, int bits_per_pixel, int width)
Variables
const uint8_t	ff_pngsig [8]
const uint8_t	ff_png_pass_ymask [NB_PASSES]
const uint8_t	ff_png_pass_xmin [NB_PASSES]
const uint8_t	ff_png_pass_xshift [NB_PASSES]
const uint8_t	ff_png_pass_mask [NB_PASSES]

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Function Documentation

void* ff_png_zalloc	(	void *	opaque,
		unsigned int	items,
		unsigned int	size
	)

Definition at line 47 of file png.c.

Referenced by decode_frame(), and encode_frame().

void ff_png_zfree	(	void *	opaque,
		void *	ptr
	)

Definition at line 54 of file png.c.

Referenced by decode_frame(), and encode_frame().

int ff_png_get_nb_channels

(

int

color_type

)

Definition at line 59 of file png.c.

Referenced by decode_frame(), and encode_frame().

int ff_png_pass_row_size	(	int	pass,
		int	bits_per_pixel,
		int	width
	)

Definition at line 72 of file png.c.

Referenced by decode_frame(), encode_frame(), and png_handle_row().

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Variable Documentation

const uint8_t ff_pngsig[8]

Definition at line 25 of file png.c.

Referenced by decode_frame(), and encode_frame().

const uint8_t ff_png_pass_ymask[NB_PASSES]

Definition at line 28 of file png.c.

Referenced by encode_frame(), and png_handle_row().

const uint8_t ff_png_pass_xmin[NB_PASSES]

Definition at line 33 of file png.c.

Referenced by ff_png_pass_row_size().

const uint8_t ff_png_pass_xshift[NB_PASSES]

Definition at line 38 of file png.c.

Referenced by ff_png_pass_row_size().

const uint8_t ff_png_pass_mask[NB_PASSES]

Definition at line 43 of file png.c.

Referenced by png_get_interlaced_row(), and png_put_interlaced_row().