FFmpeg: doc/examples/vaapi_transcode.c File Reference

FFmpeg

vaapi_transcode.c File Reference

#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

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 45 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 59 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 109 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 142 of file vaapi_transcode.c.

Referenced by main().

◆ main()

int main ( int argc,

char ** argv

)

Examples: vaapi_transcode.c.

Definition at line 222 of file vaapi_transcode.c.

Variable Documentation

◆ ifmt_ctx

AVFormatContext* ifmt_ctx = NULL

static

Examples: vaapi_transcode.c.

Definition at line 38 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 38 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 39 of file vaapi_transcode.c.

Referenced by main(), and open_input_file().

◆ decoder_ctx

AVCodecContext* decoder_ctx = NULL

static

Examples: vaapi_transcode.c.

Definition at line 40 of file vaapi_transcode.c.

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

◆ encoder_ctx

AVCodecContext * encoder_ctx = NULL

static

Examples: vaapi_transcode.c.

Definition at line 40 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 41 of file vaapi_transcode.c.

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

◆ ost

AVStream* ost

static

Examples: mux.c, qsv_transcode.c, and vaapi_transcode.c.

Definition at line 42 of file vaapi_transcode.c.

Referenced by add_stream(), avformat_transfer_internal_stream_timing_info(), bsf_init(), check_recording_time(), check_written(), choose_encoder(), choose_pix_fmts(), close_stream(), configure_filtergraph(), configure_output_audio_filter(), configure_output_video_filter(), copy_meta(), dash_check_bitstream(), dec_create(), dec_enc(), do_subtitle_out(), enc_open(), enc_stats_init(), enc_stats_write(), enc_thread_set_name(), encode_frame(), encoder_thread(), fg_output_step(), fg_thread_set_name(), frame_encode(), get_audio_frame(), get_video_frame(), hw_device_setup_for_encode(), init_simple_filtergraph(), ist_output_add(), ms_from_ost(), mux_final_stats(), mux_fixup_ts(), mux_log_debug_ts(), mux_packet_filter(), muxer_thread(), new_stream_audio(), new_stream_subtitle(), new_stream_video(), of_add_attachments(), of_open(), of_stream_init(), of_streamcopy(), ofilter_bind_ost(), ogg_restore(), ogg_save(), open_audio(), open_video(), ost_add(), ost_free(), ost_get_filters(), pix_fmt_parse(), print_report(), print_stream_maps(), process_forced_keyframes(), seg_check_bitstream(), set_channel_layout(), set_dispositions(), set_encoder_id(), setup_sync_queues(), streamcopy_init(), update_video_stats(), video_sync_process(), webm_chunk_init(), webm_chunk_write_header(), write_audio_frame(), write_packet(), and write_video_frame().

◆ initialized

int initialized = 0

static

Examples: vaapi_transcode.c.

Definition at line 43 of file vaapi_transcode.c.

Referenced by avfilter_link(), dec_enc(), and writer_register_all().

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