avisynth.c File Reference

#include "libavutil/internal.h"
#include "libavcodec/internal.h"
#include "avformat.h"
#include "internal.h"
#include "config.h"
#include <dlfcn.h>
#include "compat/avisynth/avxsynth_c.h"

Go to the source code of this file.

Data Structures
struct	AviSynthLibrary
struct	AviSynthContext

Macros
#define	AVSC_NO_DECLSPEC
#define	AVISYNTH_NAME   "libavxsynth"
#define	AVISYNTH_LIB   AVISYNTH_NAME SLIBSUF
#define	LoadLibrary(x)   dlopen(x, RTLD_NOW | RTLD_LOCAL)
#define	GetProcAddress   dlsym
#define	FreeLibrary   dlclose
#define	AVSC_DECLARE_FUNC(name)   name ## _func name
#define	LOAD_AVS_FUNC(name, continue_on_fail)

Functions
static av_cold void	avisynth_atexit_handler (void)
static av_cold int	avisynth_load_library (void)
static av_cold int	avisynth_context_create (AVFormatContext *s)
static av_cold void	avisynth_context_destroy (AviSynthContext *avs)
static int	avisynth_create_stream_video (AVFormatContext *s, AVStream *st)
static int	avisynth_create_stream_audio (AVFormatContext *s, AVStream *st)
static int	avisynth_create_stream (AVFormatContext *s)
static int	avisynth_open_file (AVFormatContext *s)
static void	avisynth_next_stream (AVFormatContext *s, AVStream **st, AVPacket *pkt, int *discard)
static int	avisynth_read_packet_video (AVFormatContext *s, AVPacket *pkt, int discard)
static int	avisynth_read_packet_audio (AVFormatContext *s, AVPacket *pkt, int discard)
static av_cold int	avisynth_read_header (AVFormatContext *s)
static int	avisynth_read_packet (AVFormatContext *s, AVPacket *pkt)
static av_cold int	avisynth_read_close (AVFormatContext *s)
static int	avisynth_read_seek (AVFormatContext *s, int stream_index, int64_t timestamp, int flags)

Variables
static const int	avs_planes_packed [1] = { 0 }
static const int	avs_planes_grey [1] = { AVS_PLANAR_Y }
static const int	avs_planes_yuv [3]
static AviSynthLibrary	avs_library
static int	avs_atexit_called = 0
static AviSynthContext *	avs_ctx_list = NULL
AVInputFormat	ff_avisynth_demuxer

Macro Definition Documentation

#define AVSC_NO_DECLSPEC

Definition at line 28 of file avisynth.c.

#define AVISYNTH_NAME   "libavxsynth"

Definition at line 40 of file avisynth.c.

#define AVISYNTH_LIB   AVISYNTH_NAME SLIBSUF

Definition at line 41 of file avisynth.c.

Referenced by avisynth_load_library().

#define LoadLibrary

(

x

)

dlopen(x, RTLD_NOW | RTLD_LOCAL)

Definition at line 43 of file avisynth.c.

Referenced by avisynth_load_library(), dxva2_alloc(), nvenc_dyload_cuda(), and nvenc_dyload_nvenc().

#define GetProcAddress   dlsym

Definition at line 44 of file avisynth.c.

Referenced by dxva2_alloc(), and w32thread_init().

#define FreeLibrary   dlclose

Definition at line 45 of file avisynth.c.

Referenced by avisynth_atexit_handler(), avisynth_load_library(), and dxva2_uninit().

#define AVSC_DECLARE_FUNC

(

name

)

name ## _func name

Definition at line 50 of file avisynth.c.

#define LOAD_AVS_FUNC	(		name,
			continue_on_fail
	)

Value:

avs_library.name =                                             \
            (void *)GetProcAddress(avs_library.library, #name);        \
        if (!continue_on_fail && !avs_library.name)                    \
            goto fail;

Referenced by avisynth_load_library().

Function Documentation

static av_cold void avisynth_atexit_handler ( void  )

static

Definition at line 215 of file avisynth.c.

Referenced by avisynth_load_library().

static av_cold int avisynth_load_library ( void  )

static

Definition at line 113 of file avisynth.c.

Referenced by avisynth_context_create().

static av_cold int avisynth_context_create ( AVFormatContext *  s )

static

Definition at line 163 of file avisynth.c.

Referenced by avisynth_open_file().

static av_cold void avisynth_context_destroy ( AviSynthContext *  avs )

static

Definition at line 191 of file avisynth.c.

Referenced by avisynth_atexit_handler(), avisynth_open_file(), and avisynth_read_close().

static int avisynth_create_stream_video ( AVFormatContext *  s, AVStream *  st  )

static

Definition at line 230 of file avisynth.c.

Referenced by avisynth_create_stream().

static int avisynth_create_stream_audio ( AVFormatContext *  s, AVStream *  st  )

static

Definition at line 307 of file avisynth.c.

Referenced by avisynth_create_stream().

static int avisynth_create_stream ( AVFormatContext *  s )

static

Definition at line 343 of file avisynth.c.

Referenced by avisynth_open_file().

static int avisynth_open_file ( AVFormatContext *  s )

static

Definition at line 369 of file avisynth.c.

Referenced by avisynth_read_header().

static void avisynth_next_stream ( AVFormatContext *  s, AVStream **  st, AVPacket *  pkt, int *  discard  )

static

Definition at line 433 of file avisynth.c.

Referenced by avisynth_read_packet().

static int avisynth_read_packet_video ( AVFormatContext *  s, AVPacket *  pkt, int  discard  )

static

Definition at line 451 of file avisynth.c.

Referenced by avisynth_read_packet().

static int avisynth_read_packet_audio ( AVFormatContext *  s, AVPacket *  pkt, int  discard  )

static

Definition at line 544 of file avisynth.c.

Referenced by avisynth_read_packet().

static av_cold int avisynth_read_header ( AVFormatContext *  s )

static

Definition at line 611 of file avisynth.c.

static int avisynth_read_packet ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 628 of file avisynth.c.

static av_cold int avisynth_read_close ( AVFormatContext *  s )

static

Definition at line 658 of file avisynth.c.

static int avisynth_read_seek ( AVFormatContext *  s, int  stream_index, int64_t  timestamp, int  flags  )

static

Definition at line 668 of file avisynth.c.

Variable Documentation

const int avs_planes_packed[1] = { 0 }

static

Definition at line 98 of file avisynth.c.

Referenced by avisynth_create_stream_video().

const int avs_planes_grey[1] = { AVS_PLANAR_Y }

static

Definition at line 99 of file avisynth.c.

Referenced by avisynth_create_stream_video().

const int avs_planes_yuv[3]

static

Initial value:

= { AVS_PLANAR_Y, AVS_PLANAR_U,
                                          AVS_PLANAR_V }

Definition at line 100 of file avisynth.c.

Referenced by avisynth_create_stream_video().

AviSynthLibrary avs_library

static

Definition at line 105 of file avisynth.c.

int avs_atexit_called = 0

static

Definition at line 106 of file avisynth.c.

Referenced by avisynth_atexit_handler(), and avisynth_context_destroy().

AviSynthContext* avs_ctx_list = NULL

static

Definition at line 109 of file avisynth.c.

Referenced by avisynth_atexit_handler(), avisynth_context_create(), and avisynth_context_destroy().

AVInputFormat ff_avisynth_demuxer

Initial value:

= {
    .name           = "avisynth",
    .long_name      = NULL_IF_CONFIG_SMALL("AviSynth script"),
    .priv_data_size = sizeof(AviSynthContext),
    .read_header    = avisynth_read_header,
    .read_packet    = avisynth_read_packet,
    .read_close     = avisynth_read_close,
    .read_seek      = avisynth_read_seek,
    .extensions     = "avs",
}

Definition at line 707 of file avisynth.c.