FFmpeg: doc/examples/transcode.c File Reference

FFmpeg

transcode.c File Reference

#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavfilter/buffersink.h>
#include <libavfilter/buffersrc.h>
#include <libavutil/channel_layout.h>
#include <libavutil/opt.h>
#include <libavutil/pixdesc.h>

Go to the source code of this file.

Data Structures

struct FilteringContext

struct StreamContext

Functions

static int open_input_file (const char *filename)

static int open_output_file (const char *filename)

static int init_filter (FilteringContext *fctx, AVCodecContext *dec_ctx, AVCodecContext *enc_ctx, const char *filter_spec)

static int init_filters (void)

static int encode_write_frame (unsigned int stream_index, int flush)

static int filter_encode_write_frame (AVFrame *frame, unsigned int stream_index)

static int flush_encoder (unsigned int stream_index)

int main (int argc, char **argv)

Variables

static AVFormatContext * ifmt_ctx

static AVFormatContext * ofmt_ctx

static FilteringContext * filter_ctx

static StreamContext * stream_ctx

Function Documentation

◆ open_input_file()

static int open_input_file ( const char * filename )

static

Examples: transcode.c.

Definition at line 61 of file transcode.c.

Referenced by main().

◆ open_output_file()

static int open_output_file ( const char * filename )

static

Examples: transcode.c.

Definition at line 123 of file transcode.c.

Referenced by main().

◆ init_filter()

static int init_filter ( FilteringContext * fctx,

AVCodecContext * dec_ctx,

AVCodecContext * enc_ctx,

const char * filter_spec

)

static

Examples: transcode.c.

Definition at line 239 of file transcode.c.

Referenced by init_filters().

◆ init_filters()

static int init_filters ( void )

static

Examples: transcode.c.

Definition at line 389 of file transcode.c.

Referenced by main().

◆ encode_write_frame()

static int encode_write_frame ( unsigned int stream_index,

int flush

)

static

Examples: transcode.c.

Definition at line 427 of file transcode.c.

Referenced by filter_encode_write_frame(), and flush_encoder().

◆ filter_encode_write_frame()

static int filter_encode_write_frame ( AVFrame * frame,

unsigned int stream_index

)

static

Examples: transcode.c.

Definition at line 464 of file transcode.c.

Referenced by main().

◆ flush_encoder()

static int flush_encoder ( unsigned int stream_index )

static

Examples: transcode.c.

Definition at line 503 of file transcode.c.

Referenced by main().

◆ main()

int main ( int argc,

char ** argv

)

Examples: transcode.c.

Definition at line 513 of file transcode.c.

Variable Documentation

◆ ifmt_ctx

AVFormatContext* ifmt_ctx

static

Examples: transcode.c.

Definition at line 41 of file transcode.c.

Referenced by init_filters(), main(), open_input_file(), and open_output_file().

◆ ofmt_ctx

AVFormatContext* ofmt_ctx

static

Examples: transcode.c.

Definition at line 42 of file transcode.c.

Referenced by encode_write_frame(), main(), and open_output_file().

◆ filter_ctx

FilteringContext* filter_ctx

static

Examples: transcode.c.

Definition at line 51 of file transcode.c.

Referenced by activate(), default_filter_name(), dnn_classify_activate(), dnn_classify_post_proc(), dnn_detect_activate(), dnn_detect_post_proc(), dnn_detect_post_proc_ov(), dnn_detect_post_proc_tf(), encode_write_frame(), ff_dnn_init(), ff_dnn_load_model_native(), ff_dnn_load_model_ov(), ff_dnn_load_model_tf(), filter_encode_write_frame(), init_filters(), main(), print_digraph(), and print_formats().

◆ stream_ctx

StreamContext* stream_ctx

static

Examples: transcode.c.

Definition at line 59 of file transcode.c.

Referenced by encode_write_frame(), flush_encoder(), init_filters(), main(), open_input_file(), and open_output_file().

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