vaapi_transcode.c File Reference

Intel VAAPI-accelerated transcoding example. More...

#include <stdio.h>
#include <errno.h>
#include <libavutil/hwcontext.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>

Go to the source code of this file.

Functions
static enum AVPixelFormat	get_vaapi_format (AVCodecContext *ctx, const enum AVPixelFormat *pix_fmts)
static int	open_input_file (const char *filename)
static int	encode_write (AVPacket *enc_pkt, AVFrame *frame)
static int	dec_enc (AVPacket *pkt, const AVCodec *enc_codec)
int	main (int argc, char **argv)

Variables
static AVFormatContext *	ifmt_ctx = NULL
static AVFormatContext *	ofmt_ctx = NULL
static AVBufferRef *	hw_device_ctx = NULL
static AVCodecContext *	decoder_ctx = NULL
static AVCodecContext *	encoder_ctx = NULL
static int	video_stream = -1
static AVStream *	ost
static int	initialized = 0

Detailed Description

Intel VAAPI-accelerated transcoding example.

Definition in file vaapi_transcode.c.

Function Documentation

get_vaapi_format()

static enum AVPixelFormat get_vaapi_format ( AVCodecContext *  ctx, const enum AVPixelFormat *  pix_fmts  )

static

Examples

vaapi_transcode.c.

Definition at line 48 of file vaapi_transcode.c.

Referenced by open_input_file().

open_input_file()

static int open_input_file ( const char *  filename )

static

Examples

vaapi_transcode.c.

Definition at line 62 of file vaapi_transcode.c.

Referenced by main().

encode_write()

static int encode_write ( AVPacket *  enc_pkt, AVFrame *  frame  )

static

Examples

vaapi_transcode.c.

Definition at line 112 of file vaapi_transcode.c.

Referenced by dec_enc(), and main().

dec_enc()

static int dec_enc ( AVPacket *  pkt, const AVCodec *  enc_codec  )

static

Examples

vaapi_transcode.c.

Definition at line 145 of file vaapi_transcode.c.

Referenced by main().

main()

int main	(	int	argc,
		char **	argv
	)

Examples

vaapi_transcode.c.

Definition at line 225 of file vaapi_transcode.c.

Variable Documentation

ifmt_ctx

AVFormatContext* ifmt_ctx = NULL

static

Examples

vaapi_transcode.c.

Definition at line 41 of file vaapi_transcode.c.

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

ofmt_ctx

AVFormatContext * ofmt_ctx = NULL

static

Examples

vaapi_transcode.c.

Definition at line 41 of file vaapi_transcode.c.

Referenced by dec_enc(), encode_write(), and main().

hw_device_ctx

AVBufferRef* hw_device_ctx = NULL

static

Examples

vaapi_transcode.c.

Definition at line 42 of file vaapi_transcode.c.

Referenced by main(), and open_input_file().

decoder_ctx

AVCodecContext* decoder_ctx = NULL

static

Examples

hw_decode.c, qsvdec.c, and vaapi_transcode.c.

Definition at line 43 of file vaapi_transcode.c.

Referenced by dec_enc(), decode_packet(), main(), and open_input_file().

encoder_ctx

AVCodecContext * encoder_ctx = NULL

static

Examples

vaapi_transcode.c.

Definition at line 43 of file vaapi_transcode.c.

Referenced by dec_enc(), encode_write(), and main().

video_stream

int video_stream = -1

static

Examples

vaapi_transcode.c.

Definition at line 44 of file vaapi_transcode.c.

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

ost

AVStream* ost

static

Examples

muxing.c, and vaapi_transcode.c.

Definition at line 45 of file vaapi_transcode.c.

Referenced by add_stream(), close_stream(), dec_enc(), get_audio_frame(), get_video_frame(), open_audio(), open_video(), write_audio_frame(), and write_video_frame().

initialized

int initialized = 0

static

Examples

vaapi_transcode.c.

Definition at line 46 of file vaapi_transcode.c.

Referenced by dec_enc().