vhook/ppm.c File Reference

#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <ctype.h>
#include "libavutil/avstring.h"
#include "libavformat/framehook.h"
#include "libavformat/avformat.h"
#include "libswscale/swscale.h"

Go to the source code of this file.

Data Structures
struct	rwpipe
	Bi-directional pipe structure. More...
struct	ContextInfo
	Context info for this vhook - stores the pipe and image buffers. More...
Defines
#define	COMMAND_SIZE   10240
Functions
static rwpipe *	rwpipe_open (int argc, char *argv[])
	Create a bidirectional pipe for the given command.
static FILE *	rwpipe_reader (rwpipe *this)
	Read data from the pipe.
static FILE *	rwpipe_writer (rwpipe *this)
	Write data to the pipe.
static int	rwpipe_read_number (rwpipe *rw)
static int	rwpipe_read_ppm_header (rwpipe *rw, int *width, int *height)
	Read a PPM P6 header.
static void	rwpipe_close (rwpipe *this)
	Close the pipe and process.
int	Configure (void **ctxp, int argc, char *argv[])
	Initialise the context info for this vhook.
void	Process (void *ctx, AVPicture *picture, enum PixelFormat pix_fmt, int width, int height, int64_t pts)
	Process a frame.
void	Release (void *ctx)
	Clean up the effect.
Variables
static int	sws_flags = SWS_BICUBIC

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Define Documentation

#define COMMAND_SIZE   10240

Referenced by rwpipe_open().

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Function Documentation

int Configure	(	void **	ctxp,
		int	argc,
		char *	argv[]
	)

Initialise the context info for this vhook.

Definition at line 215 of file ppm.c.

void Process	(	void *	ctx,
		AVPicture *	picture,
		enum PixelFormat	pix_fmt,
		int	width,
		int	height,
		int64_t	pts
	)

Process a frame.

Definition at line 233 of file ppm.c.

void Release

(

void *

ctx

)

Clean up the effect.

Definition at line 359 of file ppm.c.

static void rwpipe_close

(

rwpipe *

this

)

[static]

Close the pipe and process.

Definition at line 182 of file ppm.c.

Referenced by Release().

static rwpipe* rwpipe_open	(	int	argc,
		char *	argv[]
	)			[static]

Create a bidirectional pipe for the given command.

Definition at line 50 of file ppm.c.

Referenced by Configure().

static int rwpipe_read_number

(

rwpipe *

rw

)

[static]

Definition at line 129 of file ppm.c.

Referenced by rwpipe_read_ppm_header().

static int rwpipe_read_ppm_header	(	rwpipe *	rw,
		int *	width,
		int *	height
	)			[static]

Read a PPM P6 header.

Definition at line 160 of file ppm.c.

Referenced by Process().

static FILE* rwpipe_reader

(

rwpipe *

this

)

[static]

Read data from the pipe.

Definition at line 107 of file ppm.c.

Referenced by Process(), rwpipe_read_number(), and rwpipe_read_ppm_header().

static FILE* rwpipe_writer

(

rwpipe *

this

)

[static]

Write data to the pipe.

Definition at line 118 of file ppm.c.

Referenced by Process().

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Variable Documentation

int sws_flags = SWS_BICUBIC [static]

Definition at line 34 of file ppm.c.