FFmpeg: doc/examples/hw_decode.c File Reference

FFmpeg

#include <stdio.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/pixdesc.h>
#include <libavutil/hwcontext.h>
#include <libavutil/opt.h>
#include <libavutil/avassert.h>
#include <libavutil/imgutils.h>

Go to the source code of this file.

Functions
static int	hw_decoder_init (AVCodecContext *ctx, const enum AVHWDeviceType type)

static enum AVPixelFormat	get_hw_format (AVCodecContext ctx, const enum AVPixelFormat pix_fmts)

static int	decode_write (AVCodecContext avctx, AVPacket packet)

int	main (int argc, char *argv[])

Variables
static AVBufferRef *	hw_device_ctx = NULL

static enum AVPixelFormat	hw_pix_fmt

static FILE *	output_file = NULL

Detailed Description

HW-Accelerated decoding example.

Definition in file hw_decode.c.

Function Documentation

◆ hw_decoder_init()

static int hw_decoder_init	(	AVCodecContext *	ctx,
		const enum AVHWDeviceType	type
	)

static

Examples: hw_decode.c.

Definition at line 49 of file hw_decode.c.

Referenced by main().

◆ get_hw_format()

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

static

Examples: hw_decode.c.

Definition at line 63 of file hw_decode.c.

Referenced by main().

◆ decode_write()

static int decode_write	(	AVCodecContext *	avctx,
		AVPacket *	packet
	)

static

Examples: hw_decode.c.

Definition at line 77 of file hw_decode.c.

Referenced by main().

◆ main()

int main	(	int	argc,
		char *	argv[]
	)

Examples: hw_decode.c.

Definition at line 149 of file hw_decode.c.

Variable Documentation

◆ hw_device_ctx

AVBufferRef* hw_device_ctx = NULL

static

Examples: hw_decode.c.

Definition at line 45 of file hw_decode.c.

Referenced by configure_filtergraph(), cuvid_init(), hw_decoder_init(), main(), nvdec_decoder_create(), qsv_device_init(), qsv_init(), and transcode().

◆ hw_pix_fmt

enum AVPixelFormat hw_pix_fmt

static

Examples: hw_decode.c.

Definition at line 46 of file hw_decode.c.

Referenced by avcodec_get_hw_frames_parameters(), decode_write(), get_hw_format(), and main().

◆ output_file

FILE* output_file = NULL

static

Examples: hw_decode.c.

Definition at line 47 of file hw_decode.c.

Referenced by decode_write(), and main().