ffmpeg_enc.c File Reference

#include <math.h>
#include <stdint.h>
#include "ffmpeg.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/avutil.h"
#include "libavutil/dict.h"
#include "libavutil/display.h"
#include "libavutil/eval.h"
#include "libavutil/frame.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/rational.h"
#include "libavutil/time.h"
#include "libavutil/timestamp.h"
#include "libavcodec/avcodec.h"

Go to the source code of this file.

Data Structures
struct	EncoderPriv
struct	EncoderThread

Functions
static EncoderPriv *	ep_from_enc (Encoder *enc)
void	enc_free (Encoder **penc)
static const char *	enc_item_name (void *obj)
static int	enc_realloc (Encoder *enc, const AVCodec *codec)
int	enc_alloc (Encoder **penc, const AVCodec *codec, Scheduler *sch, unsigned sch_idx, void *log_parent)
static int	hw_device_setup_for_encode (Encoder *e, AVCodecContext *enc_ctx, AVBufferRef *frames_ref)
static int	apply_enc_options (Encoder *e, AVDictionary **opts)
static int	enc_reopen (void *opaque, const AVFrame *frame, AVDictionary **extra_encoder_opts)
int	enc_open (void *opaque, const AVFrame *frame)
static int	check_recording_time (OutputStream *ost, int64_t ts, AVRational tb)
static int	do_subtitle_out (OutputFile *of, OutputStream *ost, const AVSubtitle *sub, AVPacket *pkt)
void	enc_stats_write (OutputStream *ost, EncStats *es, const AVFrame *frame, const AVPacket *pkt, uint64_t frame_num)
static double	psnr (double d)
static int	update_video_stats (OutputStream *ost, const AVPacket *pkt, int write_vstats)
static int	encode_frame (OutputFile *of, OutputStream *ost, AVFrame *frame, AVPacket *pkt)
static enum AVPictureType	forced_kf_apply (void *logctx, KeyframeForceCtx *kf, const AVFrame *frame)
static int	frame_encode (OutputStream *ost, AVFrame *frame, AVPacket *pkt)
static void	enc_thread_set_name (const OutputStream *ost)
static void	enc_thread_uninit (EncoderThread *et)
static int	enc_thread_init (EncoderThread *et)
static int	flush_encoder (OutputStream *ost, EncoderThread *et)
static int	reinit_encoder (OutputStream *ost, EncoderThread *et)
int	encoder_thread (void *arg)
int	enc_loopback (Encoder *enc)

Variables
static const AVClass	enc_class

Function Documentation

ep_from_enc()

static EncoderPriv * ep_from_enc ( Encoder * enc )

static

Definition at line 62 of file ffmpeg_enc.c.

Referenced by do_subtitle_out(), enc_loopback(), enc_open(), enc_realloc(), enc_reopen(), enc_stats_write(), encode_frame(), encoder_thread(), and update_video_stats().

enc_free()

void enc_free

(

Encoder **

penc

)

Definition at line 73 of file ffmpeg_enc.c.

Referenced by enc_alloc(), and ost_free().

enc_item_name()

static const char * enc_item_name ( void * obj )

static

Definition at line 88 of file ffmpeg_enc.c.

enc_realloc()

static int enc_realloc ( Encoder * enc, const AVCodec * codec )

static

Definition at line 102 of file ffmpeg_enc.c.

Referenced by reinit_encoder().

enc_alloc()

int enc_alloc	(	Encoder **	penc,
		const AVCodec *	codec,
		Scheduler *	sch,
		unsigned	sch_idx,
		void *	log_parent )

Definition at line 125 of file ffmpeg_enc.c.

Referenced by ost_add().

hw_device_setup_for_encode()

static int hw_device_setup_for_encode ( Encoder * e, AVCodecContext * enc_ctx, AVBufferRef * frames_ref )

static

Definition at line 159 of file ffmpeg_enc.c.

Referenced by enc_reopen().

apply_enc_options()

static int apply_enc_options ( Encoder * e, AVDictionary ** opts )

static

Definition at line 210 of file ffmpeg_enc.c.

Referenced by enc_reopen().

enc_reopen()

static int enc_reopen ( void * opaque, const AVFrame * frame, AVDictionary ** extra_encoder_opts )

static

The video color properties should always be in sync with the user- requested values, since we forward them to the filter graph.

Definition at line 228 of file ffmpeg_enc.c.

Referenced by enc_open(), and reinit_encoder().

enc_open()

int enc_open	(	void *	opaque,
		const AVFrame *	frame )

Definition at line 424 of file ffmpeg_enc.c.

Referenced by encoder_thread(), and ost_add().

check_recording_time()

static int check_recording_time ( OutputStream * ost, int64_t ts, AVRational tb )

static

Definition at line 451 of file ffmpeg_enc.c.

Referenced by do_subtitle_out(), and frame_encode().

do_subtitle_out()

static int do_subtitle_out ( OutputFile * of, OutputStream * ost, const AVSubtitle * sub, AVPacket * pkt )

static

Definition at line 462 of file ffmpeg_enc.c.

Referenced by frame_encode().

enc_stats_write()

void enc_stats_write	(	OutputStream *	ost,
		EncStats *	es,
		const AVFrame *	frame,
		const AVPacket *	pkt,
		uint64_t	frame_num )

Definition at line 550 of file ffmpeg_enc.c.

Referenced by encode_frame(), and write_packet().

psnr()

static double psnr ( double d )

inlinestatic

Definition at line 624 of file ffmpeg_enc.c.

Referenced by FRAMESYNC_DEFINE_CLASS(), main(), run_psnr(), uninit(), and update_video_stats().

update_video_stats()

static int update_video_stats ( OutputStream * ost, const AVPacket * pkt, int write_vstats )

static

Definition at line 629 of file ffmpeg_enc.c.

Referenced by encode_frame().

encode_frame()

static int encode_frame ( OutputFile * of, OutputStream * ost, AVFrame * frame, AVPacket * pkt )

static

Definition at line 694 of file ffmpeg_enc.c.

Referenced by ac3_fixed_encode_init(), ff_ac3_float_encode_init(), and frame_encode().

forced_kf_apply()

static enum AVPictureType forced_kf_apply ( void * logctx, KeyframeForceCtx * kf, const AVFrame * frame )

static

Definition at line 829 of file ffmpeg_enc.c.

Referenced by frame_encode().

frame_encode()

static int frame_encode ( OutputStream * ost, AVFrame * frame, AVPacket * pkt )

static

Definition at line 878 of file ffmpeg_enc.c.

Referenced by encoder_thread(), and flush_encoder().

enc_thread_set_name()

static void enc_thread_set_name ( const OutputStream * ost )

static

Definition at line 913 of file ffmpeg_enc.c.

Referenced by encoder_thread().

enc_thread_uninit()

static void enc_thread_uninit ( EncoderThread * et )

static

Definition at line 921 of file ffmpeg_enc.c.

Referenced by enc_thread_init(), and encoder_thread().

enc_thread_init()

static int enc_thread_init ( EncoderThread * et )

static

Definition at line 929 of file ffmpeg_enc.c.

Referenced by encoder_thread().

flush_encoder()

static int flush_encoder ( OutputStream * ost, EncoderThread * et )

static

Definition at line 948 of file ffmpeg_enc.c.

Referenced by encoder_thread(), and reinit_encoder().

reinit_encoder()

static int reinit_encoder ( OutputStream * ost, EncoderThread * et )

static

Definition at line 961 of file ffmpeg_enc.c.

Referenced by encoder_thread().

encoder_thread()

int encoder_thread

(

void *

arg

)

Definition at line 1009 of file ffmpeg_enc.c.

Referenced by ost_add().

enc_loopback()

int enc_loopback

(

Encoder *

enc

)

Definition at line 1098 of file ffmpeg_enc.c.

Referenced by dec_create().

Variable Documentation

enc_class

const AVClass enc_class

static

Initial value:

= {
    .class_name                = "Encoder",
    .version                   = LIBAVUTIL_VERSION_INT,
    .parent_log_context_offset =  0x42 ,
    .item_name                 = enc_item_name,
}

Definition at line 95 of file ffmpeg_enc.c.

Referenced by enc_alloc().