doc/examples/filtering.c File Reference

API example for decoding and filtering. More...

#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavfilter/avfiltergraph.h>
#include <libavfilter/vsrc_buffer.h>

Go to the source code of this file.

Defines
#define	_XOPEN_SOURCE   600
Functions
static int	open_input_file (const char *filename)
static int	init_filters (const char *filters_descr)
static void	display_picref (AVFilterBufferRef *picref, AVRational time_base)
int	main (int argc, char **argv)
Variables
const char *	filter_descr = "scale=78:24"
static AVFormatContext *	fmt_ctx
static AVCodecContext *	dec_ctx
AVFilterContext *	buffersink_ctx
AVFilterContext *	buffersrc_ctx
AVFilterGraph *	filter_graph
static int	video_stream_index = -1
static int64_t	last_pts = AV_NOPTS_VALUE

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Detailed Description

API example for decoding and filtering.

Definition in file filtering.c.

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Define Documentation

#define _XOPEN_SOURCE   600

Definition at line 29 of file filtering.c.

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Function Documentation

static void display_picref	(	AVFilterBufferRef *	picref,
		AVRational	time_base
	)			[static]

Definition at line 129 of file filtering.c.

Referenced by main().

static int init_filters

(

const char *

filters_descr

)

[static]

Definition at line 79 of file filtering.c.

Referenced by main().

int main	(	int	argc,
		char **	argv
	)

Definition at line 160 of file filtering.c.

static int open_input_file

(

const char *

filename

)

[static]

Definition at line 46 of file filtering.c.

Referenced by main(), and probe_file().

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Variable Documentation

AVFilterContext* buffersink_ctx

Definition at line 40 of file filtering.c.

AVFilterContext* buffersrc_ctx

Definition at line 41 of file filtering.c.

AVCodecContext* dec_ctx [static]

Definition at line 39 of file filtering.c.

Referenced by get_decoded_frame(), and show_stream().

const char* filter_descr = "scale=78:24"

Definition at line 36 of file filtering.c.

Referenced by init_filters(), and main().

AVFilterGraph* filter_graph

Definition at line 42 of file filtering.c.

AVFormatContext* fmt_ctx [static]

Definition at line 38 of file filtering.c.

Referenced by main(), open_input_file(), and probe_file().

int64_t last_pts = AV_NOPTS_VALUE [static]

Definition at line 44 of file filtering.c.

Referenced by display_picref(), and find_and_decode_index().

int video_stream_index = -1 [static]

Definition at line 43 of file filtering.c.

Referenced by main(), and open_input_file().