ffmpeg_dec.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/dict.h"
#include "libavutil/error.h"
#include "libavutil/log.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#include "libavutil/time.h"
#include "libavutil/timestamp.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/codec.h"
#include "libavfilter/buffersrc.h"
#include "ffmpeg.h"
#include "ffmpeg_utils.h"
#include "thread_queue.h"

Go to the source code of this file.

Data Structures
struct	DecoderPriv
struct	DecThreadContext

Functions
static DecoderPriv *	dp_from_dec (Decoder *d)
void	dec_free (Decoder **pdec)
static const char *	dec_item_name (void *obj)
static int	decoder_thread (void *arg)
static int	dec_alloc (DecoderPriv **pdec, Scheduler *sch, int send_end_ts)
static AVRational	audio_samplerate_update (DecoderPriv *dp, const AVFrame *frame)
static void	audio_ts_process (DecoderPriv *dp, AVFrame *frame)
static int64_t	video_duration_estimate (const DecoderPriv *dp, const AVFrame *frame)
static int	hwaccel_retrieve_data (AVCodecContext *avctx, AVFrame *input)
static int	video_frame_process (DecoderPriv *dp, AVFrame *frame)
static int	copy_av_subtitle (AVSubtitle *dst, const AVSubtitle *src)
static void	subtitle_free (void *opaque, uint8_t *data)
static int	subtitle_wrap_frame (AVFrame *frame, AVSubtitle *subtitle, int copy)
static int	process_subtitle (DecoderPriv *dp, AVFrame *frame)
static int	fix_sub_duration_heartbeat (DecoderPriv *dp, int64_t signal_pts)
static int	transcode_subtitles (DecoderPriv *dp, const AVPacket *pkt, AVFrame *frame)
static int	packet_decode (DecoderPriv *dp, AVPacket *pkt, AVFrame *frame)
static int	dec_open (DecoderPriv *dp, AVDictionary **dec_opts, const DecoderOpts *o, AVFrame *param_out)
static int	dec_standalone_open (DecoderPriv *dp, const AVPacket *pkt)
static void	dec_thread_set_name (const DecoderPriv *dp)
static void	dec_thread_uninit (DecThreadContext *dt)
static int	dec_thread_init (DecThreadContext *dt)
static enum AVPixelFormat	get_format (AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
static HWDevice *	hw_device_match_by_codec (const AVCodec *codec)
static int	hw_device_setup_for_decode (DecoderPriv *dp, const AVCodec *codec, const char *hwaccel_device)
int	dec_init (Decoder **pdec, Scheduler *sch, AVDictionary **dec_opts, const DecoderOpts *o, AVFrame *param_out)
int	dec_create (const OptionsContext *o, const char *arg, Scheduler *sch)
	Create a standalone decoder. More...
int	dec_filter_add (Decoder *d, InputFilter *ifilter, InputFilterOptions *opts)

Variables
static const AVClass	dec_class

Function Documentation

dp_from_dec()

static DecoderPriv* dp_from_dec ( Decoder *  d )

static

Definition at line 87 of file ffmpeg_dec.c.

Referenced by dec_filter_add(), and dec_free().

dec_free()

void dec_free

(

Decoder **

pdec

)

Definition at line 98 of file ffmpeg_dec.c.

Referenced by dec_alloc(), dec_create(), dec_init(), ffmpeg_cleanup(), and ist_free().

dec_item_name()

static const char* dec_item_name ( void *  obj )

static

Definition at line 123 of file ffmpeg_dec.c.

decoder_thread()

static int decoder_thread ( void *  arg )

static

Definition at line 848 of file ffmpeg_dec.c.

Referenced by dec_alloc().

dec_alloc()

static int dec_alloc ( DecoderPriv **  pdec, Scheduler *  sch, int  send_end_ts  )

static

Definition at line 139 of file ffmpeg_dec.c.

Referenced by dec_create(), and dec_init().

audio_samplerate_update()

static AVRational audio_samplerate_update ( DecoderPriv *  dp, const AVFrame *  frame  )

static

Definition at line 179 of file ffmpeg_dec.c.

Referenced by audio_ts_process().

audio_ts_process()

static void audio_ts_process ( DecoderPriv *  dp, AVFrame *  frame  )

static

Definition at line 222 of file ffmpeg_dec.c.

Referenced by packet_decode().

video_duration_estimate()

static int64_t video_duration_estimate ( const DecoderPriv *  dp, const AVFrame *  frame  )

static

Definition at line 259 of file ffmpeg_dec.c.

Referenced by video_frame_process().

hwaccel_retrieve_data()

static int hwaccel_retrieve_data ( AVCodecContext *  avctx, AVFrame *  input  )

static

Definition at line 311 of file ffmpeg_dec.c.

Referenced by video_frame_process().

video_frame_process()

static int video_frame_process ( DecoderPriv *  dp, AVFrame *  frame  )

static

Definition at line 353 of file ffmpeg_dec.c.

Referenced by packet_decode().

copy_av_subtitle()

static int copy_av_subtitle ( AVSubtitle *  dst, const AVSubtitle *  src  )

static

Definition at line 409 of file ffmpeg_dec.c.

Referenced by subtitle_wrap_frame().

subtitle_free()

static void subtitle_free ( void *  opaque, uint8_t *  data  )

static

Definition at line 489 of file ffmpeg_dec.c.

Referenced by subtitle_wrap_frame().

subtitle_wrap_frame()

static int subtitle_wrap_frame ( AVFrame *  frame, AVSubtitle *  subtitle, int  copy  )

static

Definition at line 496 of file ffmpeg_dec.c.

Referenced by fix_sub_duration_heartbeat(), and transcode_subtitles().

process_subtitle()

static int process_subtitle ( DecoderPriv *  dp, AVFrame *  frame  )

static

Definition at line 529 of file ffmpeg_dec.c.

Referenced by fix_sub_duration_heartbeat(), and transcode_subtitles().

fix_sub_duration_heartbeat()

static int fix_sub_duration_heartbeat ( DecoderPriv *  dp, int64_t  signal_pts  )

static

Definition at line 572 of file ffmpeg_dec.c.

Referenced by ost_add(), and transcode_subtitles().

transcode_subtitles()

static int transcode_subtitles ( DecoderPriv *  dp, const AVPacket *  pkt, AVFrame *  frame  )

static

Definition at line 594 of file ffmpeg_dec.c.

Referenced by packet_decode().

packet_decode()

static int packet_decode ( DecoderPriv *  dp, AVPacket *  pkt, AVFrame *  frame  )

static

Definition at line 652 of file ffmpeg_dec.c.

Referenced by decoder_thread().

dec_open()

static int dec_open ( DecoderPriv *  dp, AVDictionary **  dec_opts, const DecoderOpts *  o, AVFrame *  param_out  )

static

Definition at line 1141 of file ffmpeg_dec.c.

Referenced by dec_init(), and dec_standalone_open().

dec_standalone_open()

static int dec_standalone_open ( DecoderPriv *  dp, const AVPacket *  pkt  )

static

Definition at line 771 of file ffmpeg_dec.c.

Referenced by decoder_thread().

dec_thread_set_name()

static void dec_thread_set_name ( const DecoderPriv *  dp )

static

Definition at line 806 of file ffmpeg_dec.c.

Referenced by decoder_thread().

dec_thread_uninit()

static void dec_thread_uninit ( DecThreadContext *  dt )

static

Definition at line 821 of file ffmpeg_dec.c.

Referenced by dec_thread_init(), and decoder_thread().

dec_thread_init()

static int dec_thread_init ( DecThreadContext *  dt )

static

Definition at line 829 of file ffmpeg_dec.c.

Referenced by decoder_thread().

get_format()

static enum AVPixelFormat get_format ( AVCodecContext *  s, const enum AVPixelFormat *  pix_fmts  )

static

Definition at line 962 of file ffmpeg_dec.c.

Referenced by dec_open().

hw_device_match_by_codec()

static HWDevice* hw_device_match_by_codec ( const AVCodec *  codec )

static

Definition at line 996 of file ffmpeg_dec.c.

Referenced by hw_device_setup_for_decode().

hw_device_setup_for_decode()

static int hw_device_setup_for_decode ( DecoderPriv *  dp, const AVCodec *  codec, const char *  hwaccel_device  )

static

Definition at line 1012 of file ffmpeg_dec.c.

Referenced by dec_open().

dec_init()

int dec_init	(	Decoder **	pdec,
		Scheduler *	sch,
		AVDictionary **	dec_opts,
		const DecoderOpts *	o,
		AVFrame *	param_out
	)

Parameters

dec_opts	Dictionary filled with decoder options. Its ownership is transferred to the decoder.
param_out	If non-NULL, media properties after opening the decoder are written here.

Return values

>=0	non-negative scheduler index on success
<0	an error code on failure

Definition at line 1253 of file ffmpeg_dec.c.

Referenced by ist_use().

dec_create()

int dec_create	(	const OptionsContext *	o,
		const char *	arg,
		Scheduler *	sch
	)

Create a standalone decoder.

Definition at line 1278 of file ffmpeg_dec.c.

dec_filter_add()

int dec_filter_add	(	Decoder *	d,
		InputFilter *	ifilter,
		InputFilterOptions *	opts
	)

Definition at line 1350 of file ffmpeg_dec.c.

Referenced by ifilter_bind_dec().

Variable Documentation

dec_class

const AVClass dec_class

static

Initial value:

= {
    .class_name                = "Decoder",
    .version                   = LIBAVUTIL_VERSION_INT,
    .parent_log_context_offset = 0x42,
    .item_name                 = dec_item_name,
}

Definition at line 130 of file ffmpeg_dec.c.

Referenced by dec_alloc().