avisynth.c File Reference

#include "libavutil/internal.h"
#include "avformat.h"
#include "internal.h"
#include "libavcodec/internal.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_LIB   "libavxsynth.so"
#define	LoadLibrary(x)   dlopen(x, RTLD_NOW | RTLD_GLOBAL)
#define	GetProcAddress   dlsym
#define	FreeLibrary   dlclose
#define	avs_is_yv24(vi)   0
#define	avs_is_yv16(vi)   0
#define	avs_is_yv411(vi)   0
#define	avs_is_y8(vi)   0
#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] = {AVS_PLANAR_Y, AVS_PLANAR_U, AVS_PLANAR_V}
static AviSynthLibrary *	avs_library = NULL
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 27 of file avisynth.c.

#define AVISYNTH_LIB   "libavxsynth.so"

Definition at line 48 of file avisynth.c.

Referenced by avisynth_load_library().

#define LoadLibrary

(

x

)

dlopen(x, RTLD_NOW | RTLD_GLOBAL)

Definition at line 51 of file avisynth.c.

Referenced by avisynth_load_library().

#define GetProcAddress   dlsym

Definition at line 52 of file avisynth.c.

Referenced by w32thread_init().

#define FreeLibrary   dlclose

Definition at line 53 of file avisynth.c.

Referenced by avisynth_atexit_handler(), and avisynth_load_library().

#define avs_is_yv24

(

vi

)

0

Definition at line 58 of file avisynth.c.

Referenced by avisynth_read_packet_video().

#define avs_is_yv16

(

vi

)

0

Definition at line 59 of file avisynth.c.

Referenced by avisynth_read_packet_video().

#define avs_is_yv411

(

vi

)

0

Definition at line 60 of file avisynth.c.

Referenced by avisynth_read_packet_video().

#define avs_is_y8

(

vi

)

0

Definition at line 61 of file avisynth.c.

Referenced by avisynth_read_packet_video().

#define AVSC_DECLARE_FUNC

(

name

)

name##_func name

Definition at line 66 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 213 of file avisynth.c.

Referenced by avisynth_load_library().

static av_cold int avisynth_load_library ( void  )

static

Definition at line 118 of file avisynth.c.

Referenced by avisynth_context_create().

static av_cold int avisynth_context_create ( AVFormatContext *  s )

static

Definition at line 162 of file avisynth.c.

Referenced by avisynth_open_file().

static av_cold void avisynth_context_destroy ( AviSynthContext *  avs )

static

Definition at line 190 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 228 of file avisynth.c.

Referenced by avisynth_create_stream().

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

static

Definition at line 301 of file avisynth.c.

Referenced by avisynth_create_stream().

static int avisynth_create_stream ( AVFormatContext *  s )

static

Definition at line 333 of file avisynth.c.

Referenced by avisynth_open_file().

static int avisynth_open_file ( AVFormatContext *  s )

static

Definition at line 358 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 406 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 422 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 505 of file avisynth.c.

Referenced by avisynth_read_packet().

static av_cold int avisynth_read_header ( AVFormatContext *  s )

static

Definition at line 567 of file avisynth.c.

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

static

Definition at line 583 of file avisynth.c.

static av_cold int avisynth_read_close ( AVFormatContext *  s )

static

Definition at line 613 of file avisynth.c.

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

static

Definition at line 622 of file avisynth.c.

Variable Documentation

const int avs_planes_packed[1] = {0}

static

Definition at line 104 of file avisynth.c.

Referenced by avisynth_create_stream_video().

const int avs_planes_grey[1] = {AVS_PLANAR_Y}

static

Definition at line 105 of file avisynth.c.

Referenced by avisynth_create_stream_video().

const int avs_planes_yuv[3] = {AVS_PLANAR_Y, AVS_PLANAR_U, AVS_PLANAR_V}

static

Definition at line 106 of file avisynth.c.

Referenced by avisynth_create_stream_video().

AviSynthLibrary* avs_library = NULL

static

Definition at line 110 of file avisynth.c.

int avs_atexit_called = 0

static

Definition at line 111 of file avisynth.c.

Referenced by avisynth_atexit_handler(), and avisynth_context_destroy().

AviSynthContext* avs_ctx_list = NULL

static

Definition at line 114 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 656 of file avisynth.c.