FFmpeg: doc/examples/decoding_encoding.c File Reference

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Macros | Functions

decoding_encoding.c File Reference

libavcodec API use example. More...

#include <math.h>
#include <libavutil/opt.h>
#include <libavcodec/avcodec.h>
#include <libavutil/channel_layout.h>
#include <libavutil/common.h>
#include <libavutil/imgutils.h>
#include <libavutil/mathematics.h>
#include <libavutil/samplefmt.h>

Go to the source code of this file.

Macros

#define INBUF_SIZE 4096

#define AUDIO_INBUF_SIZE 20480

#define AUDIO_REFILL_THRESH 4096

Functions

static int check_sample_fmt (AVCodec *codec, enum AVSampleFormat sample_fmt)

static int select_sample_rate (AVCodec *codec)

static int select_channel_layout (AVCodec *codec)

static void audio_encode_example (const char *filename)

static void audio_decode_example (const char *outfilename, const char *filename)

static void video_encode_example (const char *filename, int codec_id)

static void pgm_save (unsigned char *buf, int wrap, int xsize, int ysize, char *filename)

static int decode_write_frame (const char *outfilename, AVCodecContext *avctx, AVFrame *frame, int *frame_count, AVPacket *pkt, int last)

static void video_decode_example (const char *outfilename, const char *filename)

int main (int argc, char **argv)

Detailed Description

libavcodec API use example.

Note that libavcodec only handles codecs (mpeg, mpeg4, etc...), not file formats (avi, vob, mp4, mov, mkv, mxf, flv, mpegts, mpegps, etc...). See library 'libavformat' for the format handling

Definition in file decoding_encoding.c.

Macro Definition Documentation

#define INBUF_SIZE 4096

Examples:: doc/examples/decoding_encoding.c.

Definition at line 43 of file decoding_encoding.c.

Referenced by video_decode_example().

#define AUDIO_INBUF_SIZE 20480

Examples:: doc/examples/decoding_encoding.c.

Definition at line 44 of file decoding_encoding.c.

Referenced by audio_decode_example().

#define AUDIO_REFILL_THRESH 4096

Examples:: doc/examples/decoding_encoding.c.

Definition at line 45 of file decoding_encoding.c.

Referenced by audio_decode_example().

Function Documentation

static int check_sample_fmt ( AVCodec * codec,

enum AVSampleFormat sample_fmt

)

static

Examples:: doc/examples/decoding_encoding.c.

Definition at line 48 of file decoding_encoding.c.

Referenced by audio_encode_example().

static int select_sample_rate ( AVCodec * codec )

static

Examples:: doc/examples/decoding_encoding.c.

Definition at line 61 of file decoding_encoding.c.

Referenced by audio_encode_example().

static int select_channel_layout ( AVCodec * codec )

static

Examples:: doc/examples/decoding_encoding.c.

Definition at line 78 of file decoding_encoding.c.

Referenced by audio_encode_example().

static void audio_encode_example ( const char * filename )

static

Examples:: doc/examples/decoding_encoding.c.

Definition at line 103 of file decoding_encoding.c.

Referenced by main().

static void audio_decode_example ( const char * outfilename,

const char * filename

)

static

Examples:: doc/examples/decoding_encoding.c.

Definition at line 238 of file decoding_encoding.c.

Referenced by main().

static void video_encode_example ( const char * filename,

int codec_id

)

static

Examples:: doc/examples/decoding_encoding.c.

Definition at line 338 of file decoding_encoding.c.

Referenced by main().

static void pgm_save ( unsigned char * buf,

int wrap,

int xsize,

int ysize,

char * filename

)

static

Examples:: doc/examples/decoding_encoding.c.

Definition at line 478 of file decoding_encoding.c.

Referenced by decode_write_frame().

static int decode_write_frame ( const char * outfilename,

AVCodecContext * avctx,

AVFrame * frame,

int * frame_count,

AVPacket * pkt,

int last

)

static

Examples:: doc/examples/decoding_encoding.c.

Definition at line 491 of file decoding_encoding.c.

Referenced by video_decode_example().

static void video_decode_example ( const char * outfilename,

const char * filename

)

static

Examples:: doc/examples/decoding_encoding.c.

Definition at line 519 of file decoding_encoding.c.

Referenced by main().

int main ( int argc,

char ** argv

)

Definition at line 616 of file decoding_encoding.c.

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