ffmpeg_access.c File Reference

#include "ffmpeg_access.h"
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libswscale/swscale.h>
#include <stdio.h>
#include <tiffio.h>
#include <errno.h>

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Macros
#define	_GNU_SOURCE
#define	true   1
#define	false   0;

Typedefs
typedef int	bool

Functions
int	GetNextFrame (AVFormatContext *pFormatCtx, AVCodecContext *pCodecCtx, int videoStream, AVFrame *pFrame)
int	ffmpegNextFrame (FfmpegMovie *movie)
int	ffmpegConvertCurrentFrame (FfmpegMovie *movie)
void	SaveFrame (AVFrame *pFrame, int width, int height, int iFrame)
void	ffmpegSetLastErrorOccured (char *msg, int errorCode)
int	ffmpegInit ()
int	ffmpegErrorOccured ()
char *	ffmpegLastErrorOccured ()
void	ffmpegMovieBackToStart (FfmpegMovie *movie)
int	ffmpegLoadMovie (const char *movieName, FfmpegMovie *resultMovie)
int	saveTIFFPictureToFile (const char *fileName, char *buffer, unsigned int width, unsigned int height)

Variables
static int	_ffmpegErrorOccuredFlag
static char *	_ffmpegLastErrorString
static struct SwsContext *	img_convert_ctx

Macro Definition Documentation

_GNU_SOURCE

#define _GNU_SOURCE

false

#define false   0;

true

#define true   1

Typedef Documentation

bool

typedef int bool

Function Documentation

ffmpegConvertCurrentFrame()

int ffmpegConvertCurrentFrame

(

FfmpegMovie *

movie

)

References img_convert_ctx, FfmpegMovie::pCodecCtx, FfmpegMovie::pConvertedFrame, and FfmpegMovie::pCurrentFrame.

Referenced by LynkeosFfmpegMovie::loadImageDataIn:.

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ffmpegErrorOccured()

int ffmpegErrorOccured

(

)

References _ffmpegErrorOccuredFlag.

ffmpegInit()

int ffmpegInit

(

)

References ffmpegSetLastErrorOccured().

Referenced by main().

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ffmpegLastErrorOccured()

char* ffmpegLastErrorOccured

(

)

References _ffmpegLastErrorString.

ffmpegLoadMovie()

int ffmpegLoadMovie	(	const char *	movieName,
		FfmpegMovie *	resultMovie
	)

References _ffmpegErrorOccuredFlag, ffmpegSetLastErrorOccured(), FfmpegMovie::pCodecCtx, FfmpegMovie::pConvertedFrame, FfmpegMovie::pCurrentFrame, FfmpegMovie::pFormatCtx, FfmpegMovie::ppmData, and FfmpegMovie::videoStream.

Referenced by ffmpegMovieBackToStart(), and LynkeosFfmpegMovie::initWithURL:byReference:.

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ffmpegMovieBackToStart()

void ffmpegMovieBackToStart

(

FfmpegMovie *

movie

)

References ffmpegLoadMovie(), FfmpegMovie::pCodecCtx, FfmpegMovie::pConvertedFrame, FfmpegMovie::pCurrentFrame, FfmpegMovie::pFormatCtx, FfmpegMovie::ppmData, and FfmpegMovie::videoStream.

Referenced by LynkeosFfmpegMovie::resetMovie.

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ffmpegNextFrame()

int ffmpegNextFrame

(

FfmpegMovie *

movie

)

References GetNextFrame(), FfmpegMovie::pCodecCtx, FfmpegMovie::pCurrentFrame, FfmpegMovie::pFormatCtx, and FfmpegMovie::videoStream.

Referenced by LynkeosFfmpegMovie::getNextFrameTime.

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ffmpegSetLastErrorOccured()

void ffmpegSetLastErrorOccured	(	char *	msg,
		int	errorCode
	)

References _ffmpegErrorOccuredFlag, and _ffmpegLastErrorString.

Referenced by ffmpegInit(), and ffmpegLoadMovie().

GetNextFrame()

int GetNextFrame	(	AVFormatContext *	pFormatCtx,
		AVCodecContext *	pCodecCtx,
		int	videoStream,
		AVFrame *	pFrame
	)

Referenced by ffmpegNextFrame().

SaveFrame()

void SaveFrame	(	AVFrame *	pFrame,
		int	width,
		int	height,
		int	iFrame
	)

saveTIFFPictureToFile()

int saveTIFFPictureToFile	(	const char *	fileName,
		char *	buffer,
		unsigned int	width,
		unsigned int	height
	)

Referenced by MyDocument::saveStackedImage:.

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Variable Documentation

_ffmpegErrorOccuredFlag

int _ffmpegErrorOccuredFlag

static

Referenced by ffmpegErrorOccured(), ffmpegLoadMovie(), and ffmpegSetLastErrorOccured().

_ffmpegLastErrorString

char* _ffmpegLastErrorString

static

Referenced by ffmpegLastErrorOccured(), and ffmpegSetLastErrorOccured().

img_convert_ctx

struct SwsContext* img_convert_ctx

static

Referenced by ffmpegConvertCurrentFrame().