FFmpeg: doc/examples/qsv_transcode.c File Reference

FFmpeg

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

Go to the source code of this file.

Data Structures
struct	DynamicSetting

Functions
static int	str_to_dict (char optstr, AVDictionary *opt)

static int	dynamic_set_parameter (AVCodecContext *avctx)

static int	get_format (AVCodecContext avctx, const enum AVPixelFormat pix_fmts)

static int	open_input_file (char *filename)

static int	encode_write (AVPacket enc_pkt, AVFrame frame)

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

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 DynamicSetting *	dynamic_setting

static int	setting_number

static int	current_setting_number

Function Documentation

◆ str_to_dict()

static int str_to_dict	(	char *	optstr,
		AVDictionary **	opt
	)

static

Examples: qsv_transcode.c.

Definition at line 59 of file qsv_transcode.c.

Referenced by dec_enc(), and dynamic_set_parameter().

◆ dynamic_set_parameter()

static int dynamic_set_parameter ( AVCodecContext * avctx )

static

Examples: qsv_transcode.c.

Definition at line 82 of file qsv_transcode.c.

Referenced by encode_write().

◆ get_format()

static int get_format	(	AVCodecContext *	avctx,
		const enum AVPixelFormat *	pix_fmts
	)

static

Examples: qsv_transcode.c.

Definition at line 118 of file qsv_transcode.c.

Referenced by open_input_file().

◆ open_input_file()

static int open_input_file ( char * filename )

static

Examples: qsv_transcode.c.

Definition at line 133 of file qsv_transcode.c.

Referenced by main().

◆ encode_write()

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

static

Examples: qsv_transcode.c.

Definition at line 211 of file qsv_transcode.c.

Referenced by dec_enc(), and main().

◆ dec_enc()

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

static

Examples: qsv_transcode.c.

Definition at line 247 of file qsv_transcode.c.

Referenced by main().

◆ main()

int main	(	int	argc,
		char **	argv
	)

Examples: qsv_transcode.c.

Definition at line 341 of file qsv_transcode.c.

Variable Documentation

◆ ifmt_ctx

AVFormatContext* ifmt_ctx = NULL

static

Examples: qsv_transcode.c, and remux.c.

Definition at line 46 of file qsv_transcode.c.

Referenced by main(), and open_input_file().

◆ ofmt_ctx

AVFormatContext * ofmt_ctx = NULL

static

Examples: qsv_transcode.c, and remux.c.

Definition at line 46 of file qsv_transcode.c.

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

◆ hw_device_ctx

AVBufferRef* hw_device_ctx = NULL

static

Examples: qsv_transcode.c.

Definition at line 47 of file qsv_transcode.c.

Referenced by main(), and open_input_file().

◆ decoder_ctx

AVCodecContext* decoder_ctx = NULL

static

Examples: hw_decode.c, qsv_decode.c, and qsv_transcode.c.

Definition at line 48 of file qsv_transcode.c.

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

◆ encoder_ctx

AVCodecContext * encoder_ctx = NULL

static

Examples: qsv_transcode.c.

Definition at line 48 of file qsv_transcode.c.

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

◆ video_stream

int video_stream = -1

static

Examples: qsv_transcode.c.

Definition at line 49 of file qsv_transcode.c.

Referenced by main(), and open_input_file().

◆ dynamic_setting

DynamicSetting* dynamic_setting

static

Examples: qsv_transcode.c.

Definition at line 55 of file qsv_transcode.c.

Referenced by dynamic_set_parameter(), and main().

◆ setting_number

int setting_number

static

Examples: qsv_transcode.c.

Definition at line 56 of file qsv_transcode.c.

Referenced by dynamic_set_parameter(), and main().

◆ current_setting_number

int current_setting_number

static

Examples: qsv_transcode.c.

Definition at line 57 of file qsv_transcode.c.

Referenced by dynamic_set_parameter(), and main().