vapoursynth.c File Reference

#include <limits.h>
#include <vapoursynth/VSScript4.h>
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/eval.h"
#include "libavutil/frame.h"
#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avformat.h"
#include "demux.h"
#include "internal.h"
#include <dlfcn.h>

Go to the source code of this file.

Data Structures
struct	VSState
struct	VSContext
struct	vsframe_ref_data

Macros
#define	VSSCRIPT_NAME   "libvapoursynth-script"
#define	VSSCRIPT_LIB   VSSCRIPT_NAME SLIBSUF
#define	OFFSET(x)   offsetof(VSContext, x)
#define	A   AV_OPT_FLAG_AUDIO_PARAM
#define	D   AV_OPT_FLAG_DECODING_PARAM

Functions
static av_cold void *	vs_load_library (VSScriptGetAPIFunc *get_vssapi)
static void	free_vss_state (void *opaque, uint8_t *data)
static av_cold int	read_close_vs (AVFormatContext *s)
static av_cold int	is_native_endian (enum AVPixelFormat pixfmt)
static av_cold enum AVPixelFormat	match_pixfmt (const VSVideoFormat *vsf, int c_order[4])
static av_cold int	read_header_vs (AVFormatContext *s)
static void	free_frame (void *opaque, uint8_t *data)
static int	get_vs_prop_int (AVFormatContext *s, const VSMap *map, const char *name, int def)
static void	free_vsframe_ref (void *opaque, uint8_t *data)
static int	read_packet_vs (AVFormatContext *s, AVPacket *pkt)
static int	read_seek_vs (AVFormatContext *s, int stream_idx, int64_t ts, int flags)
static av_cold int	probe_vs (const AVProbeData *p)

Variables
const typedef VSSCRIPTAPI *(*	VSScriptGetAPIFunc )(int version)
static const AVOption	options []
static const AVClass	class_vs
const FFInputFormat	ff_vapoursynth_demuxer

Detailed Description

VapourSynth demuxer

Synthesizes vapour (?)

Definition in file vapoursynth.c.

Macro Definition Documentation

VSSCRIPT_NAME

#define VSSCRIPT_NAME   "libvapoursynth-script"

Definition at line 51 of file vapoursynth.c.

VSSCRIPT_LIB

#define VSSCRIPT_LIB   VSSCRIPT_NAME SLIBSUF

Definition at line 52 of file vapoursynth.c.

OFFSET

#define OFFSET

(

x

)

offsetof(VSContext, x)

Definition at line 81 of file vapoursynth.c.

A

#define A   AV_OPT_FLAG_AUDIO_PARAM

Definition at line 82 of file vapoursynth.c.

D

#define D   AV_OPT_FLAG_DECODING_PARAM

Definition at line 83 of file vapoursynth.c.

Function Documentation

vs_load_library()

static av_cold void* vs_load_library ( VSScriptGetAPIFunc *  get_vssapi )

static

Definition at line 89 of file vapoursynth.c.

Referenced by read_header_vs().

free_vss_state()

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

static

Definition at line 123 of file vapoursynth.c.

Referenced by read_header_vs().

read_close_vs()

static av_cold int read_close_vs ( AVFormatContext *  s )

static

Definition at line 132 of file vapoursynth.c.

is_native_endian()

static av_cold int is_native_endian ( enum AVPixelFormat  pixfmt )

static

Definition at line 150 of file vapoursynth.c.

Referenced by match_pixfmt().

match_pixfmt()

static av_cold enum AVPixelFormat match_pixfmt ( const VSVideoFormat *  vsf, int  c_order[4]  )

static

Definition at line 160 of file vapoursynth.c.

Referenced by read_header_vs().

read_header_vs()

static av_cold int read_header_vs ( AVFormatContext *  s )

static

Definition at line 221 of file vapoursynth.c.

free_frame()

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

static

Definition at line 363 of file vapoursynth.c.

Referenced by read_packet_vs().

get_vs_prop_int()

static int get_vs_prop_int ( AVFormatContext *  s, const VSMap *  map, const char *  name, int  def  )

static

Definition at line 370 of file vapoursynth.c.

Referenced by read_packet_vs().

free_vsframe_ref()

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

static

Definition at line 386 of file vapoursynth.c.

Referenced by read_packet_vs().

read_packet_vs()

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

static

Definition at line 398 of file vapoursynth.c.

read_seek_vs()

static int read_seek_vs ( AVFormatContext *  s, int  stream_idx, int64_t  ts, int  flags  )

static

Definition at line 522 of file vapoursynth.c.

probe_vs()

static av_cold int probe_vs ( const AVProbeData *  p )

static

Definition at line 533 of file vapoursynth.c.

Variable Documentation

VSScriptGetAPIFunc

const typedef VSSCRIPTAPI*(* VSScriptGetAPIFunc) (int version)

Definition at line 60 of file vapoursynth.c.

Referenced by read_header_vs(), and vs_load_library().

options

const AVOption options[]

static

Initial value:

= {
    {"max_script_size",    "set max file size supported (in bytes)", OFFSET(max_script_size),    AV_OPT_TYPE_INT64, {.i64 = 1 * 1024 * 1024}, 0,    SIZE_MAX - 1, A|D},
    {NULL}
}

Definition at line 84 of file vapoursynth.c.

class_vs

const AVClass class_vs

static

Initial value:

= {
    .class_name = "VapourSynth demuxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 540 of file vapoursynth.c.

ff_vapoursynth_demuxer

const FFInputFormat ff_vapoursynth_demuxer

Initial value:

= {
    .p.name         = "vapoursynth",
    .p.long_name    = NULL_IF_CONFIG_SMALL("VapourSynth demuxer"),
    .p.priv_class   = &class_vs,
    .priv_data_size = sizeof(VSContext),
    .flags_internal = FF_INFMT_FLAG_INIT_CLEANUP,
    .read_probe     = probe_vs,
    .read_header    = read_header_vs,
    .read_packet    = read_packet_vs,
    .read_close     = read_close_vs,
    .read_seek      = read_seek_vs,
}

Definition at line 547 of file vapoursynth.c.