#include <climits>
#include "libmythbase/mythconfig.h"
#include "libmythbase/mythlogging.h"
#include "libmythtv/mythframe.h"
#include "pgm.h"
#include "libavcodec/avcodec.h"
#include "libavutil/imgutils.h"

Include dependency graph for pgm.cpp:

Functions
int	pgm_read (unsigned char buf, int width, int height, const char filename)

int	pgm_write (const unsigned char buf, int width, int height, const char filename)

static int	pgm_expand (AVFrame dst, const AVFrame src, int srcheight, int extratop, int extraright, int extrabottom, int extraleft)

static int	pgm_expand_uniform (AVFrame dst, const AVFrame src, int srcheight, int extramargin)

int	pgm_crop (AVFrame dst, const AVFrame src, int srcheight, int srcrow, int srccol, int cropwidth, int cropheight)

int	pgm_overlay (AVFrame dst, const AVFrame s1, int s1height, int s1row, int s1col, const AVFrame *s2, int s2height)

int	pgm_convolve_radial (AVFrame dst, AVFrame s1, AVFrame s2, const AVFrame src, int srcheight, const double *mask, int mask_radius)

Function Documentation

◆ pgm_read()

int pgm_read	(	unsigned char *	buf,
		int	width,
		int	height,
		const char *	filename
	)

Definition at line 35 of file pgm.cpp.

◆ pgm_write()

int pgm_write	(	const unsigned char *	buf,
		int	width,
		int	height,
		const char *	filename
	)

Definition at line 83 of file pgm.cpp.

◆ pgm_expand()

static int pgm_expand	(	AVFrame *	dst,
		const AVFrame *	src,
		int	srcheight,
		int	extratop,
		int	extraright,
		int	extrabottom,
		int	extraleft
	)

static

Definition at line 115 of file pgm.cpp.

Referenced by pgm_expand_uniform().

◆ pgm_expand_uniform()

static int pgm_expand_uniform	(	AVFrame *	dst,
		const AVFrame *	src,
		int	srcheight,
		int	extramargin
	)

static

Definition at line 161 of file pgm.cpp.

Referenced by pgm_convolve_radial().

◆ pgm_crop()

int pgm_crop	(	AVFrame *	dst,
		const AVFrame *	src,
		int	srcheight,
		int	srcrow,
		int	srccol,
		int	cropwidth,
		int	cropheight
	)

Definition at line 168 of file pgm.cpp.

Referenced by TemplateMatcher::analyzeFrame(), and TemplateFinder::analyzeFrame().

◆ pgm_overlay()

int pgm_overlay	(	AVFrame *	dst,
		const AVFrame *	s1,
		int	s1height,
		int	s1row,
		int	s1col,
		const AVFrame *	s2,
		int	s2height
	)

Definition at line 191 of file pgm.cpp.

◆ pgm_convolve_radial()

int pgm_convolve_radial	(	AVFrame *	dst,
		AVFrame *	s1,
		AVFrame *	s2,
		const AVFrame *	src,
		int	srcheight,
		const double *	mask,
		int	mask_radius
	)

Definition at line 224 of file pgm.cpp.

Referenced by CannyEdgeDetector::detectEdges().

Functions