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 (AVFrame *frame)
static int	dec_enc (AVPacket *pkt, 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 46 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 60 of file vaapi_transcode.c.

Referenced by main().

encode_write()

static int encode_write ( AVFrame *  frame )

static

Examples:

vaapi_transcode.c.

Definition at line 110 of file vaapi_transcode.c.

Referenced by dec_enc(), and main().

dec_enc()

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

static

Examples:

vaapi_transcode.c.

Definition at line 146 of file vaapi_transcode.c.

Referenced by main().

main()

int main	(	int	argc,
		char **	argv
	)

Examples:

vaapi_transcode.c.

Definition at line 228 of file vaapi_transcode.c.

Variable Documentation

ifmt_ctx

AVFormatContext* ifmt_ctx = NULL

static

Examples:

vaapi_transcode.c.

Definition at line 39 of file vaapi_transcode.c.

ofmt_ctx

AVFormatContext * ofmt_ctx = NULL

static

Examples:

vaapi_transcode.c.

Definition at line 39 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 40 of file vaapi_transcode.c.

decoder_ctx

AVCodecContext* decoder_ctx = NULL

static

Examples:

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

Definition at line 41 of file vaapi_transcode.c.

Referenced by main().

encoder_ctx

AVCodecContext * encoder_ctx = NULL

static

Examples:

vaapi_transcode.c.

Definition at line 41 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 42 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 43 of file vaapi_transcode.c.

Referenced by choose_output(), choose_pix_fmts(), configure_filtergraph(), configure_output_audio_filter(), configure_output_video_filter(), dash_check_bitstream(), DEF_CHOOSE_FORMAT(), init_output_filter(), new_attachment_stream(), new_audio_stream(), new_data_stream(), new_output_stream(), new_subtitle_stream(), new_unknown_stream(), new_video_stream(), ogg_restore(), ogg_save(), open_output_file(), print_report(), seg_check_bitstream(), transcode(), transcode_init(), and transcode_step().

initialized

int initialized = 0

static

Examples:

vaapi_transcode.c.

Definition at line 44 of file vaapi_transcode.c.

Referenced by dec_enc(), ff_ccitt_unpack_init(), init_tables(), and writer_register_all().