// on Avisynth C Interface, such as 3rd-party filters, import and
// export plugins, or graphical user interfaces.
+// NOTE: this is a partial update of the Avisynth C interface to recognize
+// new color spaces added in Avisynth 2.60. By no means is this document
+// completely Avisynth 2.60 compliant.
+
#ifndef __AVISYNTH_C__
#define __AVISYNTH_C__
# define AVSC_CC __stdcall
#endif
-#define AVSC_EXPORT EXTERN_C __declspec(dllexport)
#define AVSC_INLINE static __inline
+
#ifdef AVISYNTH_C_EXPORTS
-# define AVSC_API(ret) EXTERN_C __declspec(dllexport) ret AVSC_CC
+# define AVSC_EXPORT EXTERN_C
+# define AVSC_API(ret, name) EXTERN_C __declspec(dllexport) ret AVSC_CC name
#else
-# define AVSC_API(ret) EXTERN_C __declspec(dllimport) ret AVSC_CC
+# define AVSC_EXPORT EXTERN_C __declspec(dllexport)
+# ifndef AVSC_NO_DECLSPEC
+# define AVSC_API(ret, name) EXTERN_C __declspec(dllimport) ret AVSC_CC name
+# else
+# define AVSC_API(ret, name) typedef ret (AVSC_CC *name##_func)
+# endif
#endif
typedef unsigned char BYTE;
//
#ifndef __AVISYNTH_H__
-enum { AVISYNTH_INTERFACE_VERSION = 2 };
+enum { AVISYNTH_INTERFACE_VERSION = 4 };
#endif
enum {AVS_SAMPLE_INT8 = 1<<0,
AVS_PLANAR_ALIGNED=1<<3,
AVS_PLANAR_Y_ALIGNED=AVS_PLANAR_Y|AVS_PLANAR_ALIGNED,
AVS_PLANAR_U_ALIGNED=AVS_PLANAR_U|AVS_PLANAR_ALIGNED,
- AVS_PLANAR_V_ALIGNED=AVS_PLANAR_V|AVS_PLANAR_ALIGNED};
+ AVS_PLANAR_V_ALIGNED=AVS_PLANAR_V|AVS_PLANAR_ALIGNED,
+ AVS_PLANAR_A=1<<4,
+ AVS_PLANAR_R=1<<5,
+ AVS_PLANAR_G=1<<6,
+ AVS_PLANAR_B=1<<7,
+ AVS_PLANAR_A_ALIGNED=AVS_PLANAR_A|AVS_PLANAR_ALIGNED,
+ AVS_PLANAR_R_ALIGNED=AVS_PLANAR_R|AVS_PLANAR_ALIGNED,
+ AVS_PLANAR_G_ALIGNED=AVS_PLANAR_G|AVS_PLANAR_ALIGNED,
+ AVS_PLANAR_B_ALIGNED=AVS_PLANAR_B|AVS_PLANAR_ALIGNED};
// Colorspace properties.
-enum {AVS_CS_BGR = 1<<28,
+enum {AVS_CS_BGR = 1<<28,
AVS_CS_YUV = 1<<29,
AVS_CS_INTERLEAVED = 1<<30,
- AVS_CS_PLANAR = 1<<31};
+ AVS_CS_PLANAR = 1<<31,
+
+ AVS_CS_SHIFT_SUB_WIDTH = 0,
+ AVS_CS_SHIFT_SUB_HEIGHT = 1 << 3,
+ AVS_CS_SHIFT_SAMPLE_BITS = 1 << 4,
+
+ AVS_CS_SUB_WIDTH_MASK = 7 << AVS_CS_SHIFT_SUB_WIDTH,
+ AVS_CS_SUB_WIDTH_1 = 3 << AVS_CS_SHIFT_SUB_WIDTH, // YV24
+ AVS_CS_SUB_WIDTH_2 = 0 << AVS_CS_SHIFT_SUB_WIDTH, // YV12, I420, YV16
+ AVS_CS_SUB_WIDTH_4 = 1 << AVS_CS_SHIFT_SUB_WIDTH, // YUV9, YV411
+
+ AVS_CS_VPLANEFIRST = 1 << 3, // YV12, YV16, YV24, YV411, YUV9
+ AVS_CS_UPLANEFIRST = 1 << 4, // I420
+
+ AVS_CS_SUB_HEIGHT_MASK = 7 << AVS_CS_SHIFT_SUB_HEIGHT,
+ AVS_CS_SUB_HEIGHT_1 = 3 << AVS_CS_SHIFT_SUB_HEIGHT, // YV16, YV24, YV411
+ AVS_CS_SUB_HEIGHT_2 = 0 << AVS_CS_SHIFT_SUB_HEIGHT, // YV12, I420
+ AVS_CS_SUB_HEIGHT_4 = 1 << AVS_CS_SHIFT_SUB_HEIGHT, // YUV9
+
+ AVS_CS_SAMPLE_BITS_MASK = 7 << AVS_CS_SHIFT_SAMPLE_BITS,
+ AVS_CS_SAMPLE_BITS_8 = 0 << AVS_CS_SHIFT_SAMPLE_BITS,
+ AVS_CS_SAMPLE_BITS_16 = 1 << AVS_CS_SHIFT_SAMPLE_BITS,
+ AVS_CS_SAMPLE_BITS_32 = 2 << AVS_CS_SHIFT_SAMPLE_BITS,
+
+ AVS_CS_PLANAR_MASK = AVS_CS_PLANAR | AVS_CS_INTERLEAVED | AVS_CS_YUV | AVS_CS_BGR | AVS_CS_SAMPLE_BITS_MASK | AVS_CS_SUB_HEIGHT_MASK | AVS_CS_SUB_WIDTH_MASK,
+ AVS_CS_PLANAR_FILTER = ~( AVS_CS_VPLANEFIRST | AVS_CS_UPLANEFIRST )};
// Specific colorformats
enum {
AVS_CS_BGR24 = 1<<0 | AVS_CS_BGR | AVS_CS_INTERLEAVED,
AVS_CS_BGR32 = 1<<1 | AVS_CS_BGR | AVS_CS_INTERLEAVED,
AVS_CS_YUY2 = 1<<2 | AVS_CS_YUV | AVS_CS_INTERLEAVED,
- AVS_CS_YV12 = 1<<3 | AVS_CS_YUV | AVS_CS_PLANAR, // y-v-u, planar
- AVS_CS_I420 = 1<<4 | AVS_CS_YUV | AVS_CS_PLANAR, // y-u-v, planar
- AVS_CS_IYUV = 1<<4 | AVS_CS_YUV | AVS_CS_PLANAR // same as above
+ // AVS_CS_YV12 = 1<<3 Reserved
+ // AVS_CS_I420 = 1<<4 Reserved
+ AVS_CS_RAW32 = 1<<5 | AVS_CS_INTERLEAVED,
+
+ AVS_CS_YV24 = AVS_CS_PLANAR | AVS_CS_YUV | AVS_CS_SAMPLE_BITS_8 | AVS_CS_VPLANEFIRST | AVS_CS_SUB_HEIGHT_1 | AVS_CS_SUB_WIDTH_1, // YVU 4:4:4 planar
+ AVS_CS_YV16 = AVS_CS_PLANAR | AVS_CS_YUV | AVS_CS_SAMPLE_BITS_8 | AVS_CS_VPLANEFIRST | AVS_CS_SUB_HEIGHT_1 | AVS_CS_SUB_WIDTH_2, // YVU 4:2:2 planar
+ AVS_CS_YV12 = AVS_CS_PLANAR | AVS_CS_YUV | AVS_CS_SAMPLE_BITS_8 | AVS_CS_VPLANEFIRST | AVS_CS_SUB_HEIGHT_2 | AVS_CS_SUB_WIDTH_2, // YVU 4:2:0 planar
+ AVS_CS_I420 = AVS_CS_PLANAR | AVS_CS_YUV | AVS_CS_SAMPLE_BITS_8 | AVS_CS_UPLANEFIRST | AVS_CS_SUB_HEIGHT_2 | AVS_CS_SUB_WIDTH_2, // YUV 4:2:0 planar
+ AVS_CS_IYUV = AVS_CS_I420,
+ AVS_CS_YV411 = AVS_CS_PLANAR | AVS_CS_YUV | AVS_CS_SAMPLE_BITS_8 | AVS_CS_VPLANEFIRST | AVS_CS_SUB_HEIGHT_1 | AVS_CS_SUB_WIDTH_4, // YVU 4:1:1 planar
+ AVS_CS_YUV9 = AVS_CS_PLANAR | AVS_CS_YUV | AVS_CS_SAMPLE_BITS_8 | AVS_CS_VPLANEFIRST | AVS_CS_SUB_HEIGHT_4 | AVS_CS_SUB_WIDTH_4, // YVU 4:1:0 planar
+ AVS_CS_Y8 = AVS_CS_PLANAR | AVS_CS_INTERLEAVED | AVS_CS_YUV | AVS_CS_SAMPLE_BITS_8 // Y 4:0:0 planar
};
enum {
enum {
AVS_CACHE_NOTHING=0,
- AVS_CACHE_RANGE=1 };
+ AVS_CACHE_RANGE=1,
+ AVS_CACHE_ALL=2,
+ AVS_CACHE_AUDIO=3,
+ AVS_CACHE_AUDIO_NONE=4,
+ AVS_CACHE_AUDIO_AUTO=5
+ };
#define AVS_FRAME_ALIGN 16
AVSC_INLINE int avs_is_yuy2(const AVS_VideoInfo * p)
{ return (p->pixel_type & AVS_CS_YUY2) == AVS_CS_YUY2; }
+AVSC_INLINE int avs_is_yv24(const AVS_VideoInfo * p)
+ { return (p->pixel_type & AVS_CS_PLANAR_MASK) == (AVS_CS_YV24 & AVS_CS_PLANAR_FILTER); }
+
+AVSC_INLINE int avs_is_yv16(const AVS_VideoInfo * p)
+ { return (p->pixel_type & AVS_CS_PLANAR_MASK) == (AVS_CS_YV16 & AVS_CS_PLANAR_FILTER); }
+
AVSC_INLINE int avs_is_yv12(const AVS_VideoInfo * p)
- { return ((p->pixel_type & AVS_CS_YV12) == AVS_CS_YV12)||((p->pixel_type & AVS_CS_I420) == AVS_CS_I420); }
+ { return (p->pixel_type & AVS_CS_PLANAR_MASK) == (AVS_CS_YV12 & AVS_CS_PLANAR_FILTER); }
-AVSC_INLINE int avs_is_color_space(const AVS_VideoInfo * p, int c_space)
- { return ((p->pixel_type & c_space) == c_space); }
+AVSC_INLINE int avs_is_yv411(const AVS_VideoInfo * p)
+ { return (p->pixel_type & AVS_CS_PLANAR_MASK) == (AVS_CS_YV411 & AVS_CS_PLANAR_FILTER); }
+
+AVSC_INLINE int avs_is_y8(const AVS_VideoInfo * p)
+ { return (p->pixel_type & AVS_CS_PLANAR_MASK) == (AVS_CS_Y8 & AVS_CS_PLANAR_FILTER); }
AVSC_INLINE int avs_is_property(const AVS_VideoInfo * p, int property)
{ return ((p->pixel_type & property)==property ); }
AVSC_INLINE int avs_is_planar(const AVS_VideoInfo * p)
{ return !!(p->pixel_type & AVS_CS_PLANAR); }
+
+AVSC_INLINE int avs_is_color_space(const AVS_VideoInfo * p, int c_space)
+ { return avs_is_planar(p) ? ((p->pixel_type & AVS_CS_PLANAR_MASK) == (c_space & AVS_CS_PLANAR_FILTER)) : ((p->pixel_type & c_space) == c_space); }
AVSC_INLINE int avs_is_field_based(const AVS_VideoInfo * p)
{ return !!(p->image_type & AVS_IT_FIELDBASED); }
int data_size;
// sequence_number is incremented every time the buffer is changed, so
// that stale views can tell they're no longer valid.
- long sequence_number;
+ volatile long sequence_number;
- long refcount;
+ volatile long refcount;
} AVS_VideoFrameBuffer;
// VideoFrame holds a "window" into a VideoFrameBuffer.
// AVS_VideoFrame is layed out identicly to IVideoFrame
// DO NOT USE THIS STRUCTURE DIRECTLY
typedef struct AVS_VideoFrame {
- int refcount;
+ volatile long refcount;
AVS_VideoFrameBuffer * vfb;
int offset, pitch, row_size, height, offsetU, offsetV, pitchUV; // U&V offsets are from top of picture.
+ int row_sizeUV, heightUV;
} AVS_VideoFrame;
// Access functions for AVS_VideoFrame
int r;
switch (plane) {
case AVS_PLANAR_U: case AVS_PLANAR_V:
- if (p->pitchUV) return p->row_size>>1;
+ if (p->pitchUV) return p->row_sizeUV;
else return 0;
case AVS_PLANAR_U_ALIGNED: case AVS_PLANAR_V_ALIGNED:
if (p->pitchUV) {
- int r = ((p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)) )>>1; // Aligned rowsize
+ r = (p->row_sizeUV+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)); // Aligned rowsize
if (r < p->pitchUV)
return r;
- return p->row_size>>1;
+ return p->row_sizeUV;
} else return 0;
case AVS_PLANAR_Y_ALIGNED:
r = (p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)); // Aligned rowsize
AVSC_INLINE int avs_get_height_p(const AVS_VideoFrame * p, int plane) {
switch (plane) {
case AVS_PLANAR_U: case AVS_PLANAR_V:
- if (p->pitchUV) return p->height>>1;
+ if (p->pitchUV) return p->heightUV;
return 0;
}
return p->height;}
}
-AVSC_API(void) avs_release_video_frame(AVS_VideoFrame *);
+AVSC_API(void, avs_release_video_frame)(AVS_VideoFrame *);
// makes a shallow copy of a video frame
-AVSC_API(AVS_VideoFrame *) avs_copy_video_frame(AVS_VideoFrame *);
+AVSC_API(AVS_VideoFrame *, avs_copy_video_frame)(AVS_VideoFrame *);
+#ifndef AVSC_NO_DECLSPEC
AVSC_INLINE void avs_release_frame(AVS_VideoFrame * f)
{avs_release_video_frame(f);}
AVSC_INLINE AVS_VideoFrame * avs_copy_frame(AVS_VideoFrame * f)
{return avs_copy_video_frame(f);}
-
-
+#endif
/////////////////////////////////////////////////////////////////////
//
// a pointer to NULL
static const AVS_Value avs_void = {'v'};
-AVSC_API(void) avs_copy_value(AVS_Value * dest, AVS_Value src);
-AVSC_API(void) avs_release_value(AVS_Value);
+AVSC_API(void, avs_copy_value)(AVS_Value * dest, AVS_Value src);
+AVSC_API(void, avs_release_value)(AVS_Value);
AVSC_INLINE int avs_defined(AVS_Value v) { return v.type != 'v'; }
AVSC_INLINE int avs_is_clip(AVS_Value v) { return v.type == 'c'; }
AVSC_INLINE int avs_is_array(AVS_Value v) { return v.type == 'a'; }
AVSC_INLINE int avs_is_error(AVS_Value v) { return v.type == 'e'; }
-AVSC_API(AVS_Clip *) avs_take_clip(AVS_Value, AVS_ScriptEnvironment *);
-AVSC_API(void) avs_set_to_clip(AVS_Value *, AVS_Clip *);
+AVSC_API(AVS_Clip *, avs_take_clip)(AVS_Value, AVS_ScriptEnvironment *);
+AVSC_API(void, avs_set_to_clip)(AVS_Value *, AVS_Clip *);
AVSC_INLINE int avs_as_bool(AVS_Value v)
{ return v.d.boolean; }
{ AVS_Value v; v.type = 'f'; v.d.floating_pt = v0; return v;}
AVSC_INLINE AVS_Value avs_new_value_error(const char * v0)
{ AVS_Value v; v.type = 'e'; v.d.string = v0; return v; }
+#ifndef AVSC_NO_DECLSPEC
AVSC_INLINE AVS_Value avs_new_value_clip(AVS_Clip * v0)
{ AVS_Value v; avs_set_to_clip(&v, v0); return v; }
+#endif
AVSC_INLINE AVS_Value avs_new_value_array(AVS_Value * v0, int size)
{ AVS_Value v; v.type = 'a'; v.d.array = v0; v.array_size = size; return v; }
// AVS_Clip
//
-AVSC_API(void) avs_release_clip(AVS_Clip *);
-AVSC_API(AVS_Clip *) avs_copy_clip(AVS_Clip *);
+AVSC_API(void, avs_release_clip)(AVS_Clip *);
+AVSC_API(AVS_Clip *, avs_copy_clip)(AVS_Clip *);
-AVSC_API(const char *) avs_clip_get_error(AVS_Clip *); // return 0 if no error
+AVSC_API(const char *, avs_clip_get_error)(AVS_Clip *); // return 0 if no error
-AVSC_API(const AVS_VideoInfo *) avs_get_video_info(AVS_Clip *);
+AVSC_API(const AVS_VideoInfo *, avs_get_video_info)(AVS_Clip *);
-AVSC_API(int) avs_get_version(AVS_Clip *);
+AVSC_API(int, avs_get_version)(AVS_Clip *);
-AVSC_API(AVS_VideoFrame *) avs_get_frame(AVS_Clip *, int n);
+AVSC_API(AVS_VideoFrame *, avs_get_frame)(AVS_Clip *, int n);
// The returned video frame must be released with avs_release_video_frame
-AVSC_API(int) avs_get_parity(AVS_Clip *, int n);
+AVSC_API(int, avs_get_parity)(AVS_Clip *, int n);
// return field parity if field_based, else parity of first field in frame
-AVSC_API(int) avs_get_audio(AVS_Clip *, void * buf,
- INT64 start, INT64 count);
+AVSC_API(int, avs_get_audio)(AVS_Clip *, void * buf,
+ INT64 start, INT64 count);
// start and count are in samples
-AVSC_API(int) avs_set_cache_hints(AVS_Clip *,
- int cachehints, int frame_range);
+AVSC_API(int, avs_set_cache_hints)(AVS_Clip *,
+ int cachehints, int frame_range);
// This is the callback type used by avs_add_function
typedef AVS_Value (AVSC_CC * AVS_ApplyFunc)
AVS_VideoFrame * (AVSC_CC * get_frame)(AVS_FilterInfo *, int n);
int (AVSC_CC * get_parity)(AVS_FilterInfo *, int n);
int (AVSC_CC * get_audio)(AVS_FilterInfo *, void * buf,
- INT64 start, INT64 count);
+ INT64 start, INT64 count);
int (AVSC_CC * set_cache_hints)(AVS_FilterInfo *, int cachehints,
- int frame_range);
+ int frame_range);
void (AVSC_CC * free_filter)(AVS_FilterInfo *);
// Should be set when ever there is an error to report.
// set than ALL methods (the function pointers) must be defined
// If it is set than you do not need to worry about freeing the child
// clip.
-AVSC_API(AVS_Clip *) avs_new_c_filter(AVS_ScriptEnvironment * e,
- AVS_FilterInfo * * fi,
- AVS_Value child, int store_child);
+AVSC_API(AVS_Clip *, avs_new_c_filter)(AVS_ScriptEnvironment * e,
+ AVS_FilterInfo * * fi,
+ AVS_Value child, int store_child);
/////////////////////////////////////////////////////////////////////
//
AVS_CPU_3DNOW_EXT = 0x80, // Athlon
AVS_CPU_X86_64 = 0xA0, // Hammer (note: equiv. to 3DNow + SSE2,
// which only Hammer will have anyway)
+ AVS_CPUF_SSE3 = 0x100, // PIV+, K8 Venice
+ AVS_CPUF_SSSE3 = 0x200, // Core 2
+ AVS_CPUF_SSE4 = 0x400, // Penryn, Wolfdale, Yorkfield
+ AVS_CPUF_SSE4_1 = 0x400,
+ AVS_CPUF_SSE4_2 = 0x800, // Nehalem
};
-AVSC_API(long) avs_get_cpu_flags(AVS_ScriptEnvironment *);
-AVSC_API(int) avs_check_version(AVS_ScriptEnvironment *, int version);
+AVSC_API(long, avs_get_cpu_flags)(AVS_ScriptEnvironment *);
+AVSC_API(int, avs_check_version)(AVS_ScriptEnvironment *, int version);
-AVSC_API(char *) avs_save_string(AVS_ScriptEnvironment *, const char* s, int length);
-AVSC_API(char *) avs_sprintf(AVS_ScriptEnvironment *, const char * fmt, ...);
+AVSC_API(char *, avs_save_string)(AVS_ScriptEnvironment *, const char* s, int length);
+AVSC_API(char *, avs_sprintf)(AVS_ScriptEnvironment *, const char * fmt, ...);
-AVSC_API(char *) avs_vsprintf(AVS_ScriptEnvironment *, const char * fmt, void* val);
+AVSC_API(char *, avs_vsprintf)(AVS_ScriptEnvironment *, const char * fmt, void* val);
// note: val is really a va_list; I hope everyone typedefs va_list to a pointer
-AVSC_API(int) avs_add_function(AVS_ScriptEnvironment *,
- const char * name, const char * params,
- AVS_ApplyFunc apply, void * user_data);
+AVSC_API(int, avs_add_function)(AVS_ScriptEnvironment *,
+ const char * name, const char * params,
+ AVS_ApplyFunc apply, void * user_data);
-AVSC_API(int) avs_function_exists(AVS_ScriptEnvironment *, const char * name);
+AVSC_API(int, avs_function_exists)(AVS_ScriptEnvironment *, const char * name);
-AVSC_API(AVS_Value) avs_invoke(AVS_ScriptEnvironment *, const char * name,
+AVSC_API(AVS_Value, avs_invoke)(AVS_ScriptEnvironment *, const char * name,
AVS_Value args, const char** arg_names);
// The returned value must be be released with avs_release_value
-AVSC_API(AVS_Value) avs_get_var(AVS_ScriptEnvironment *, const char* name);
+AVSC_API(AVS_Value, avs_get_var)(AVS_ScriptEnvironment *, const char* name);
// The returned value must be be released with avs_release_value
-AVSC_API(int) avs_set_var(AVS_ScriptEnvironment *, const char* name, AVS_Value val);
+AVSC_API(int, avs_set_var)(AVS_ScriptEnvironment *, const char* name, AVS_Value val);
-AVSC_API(int) avs_set_global_var(AVS_ScriptEnvironment *, const char* name, const AVS_Value val);
+AVSC_API(int, avs_set_global_var)(AVS_ScriptEnvironment *, const char* name, const AVS_Value val);
//void avs_push_context(AVS_ScriptEnvironment *, int level=0);
//void avs_pop_context(AVS_ScriptEnvironment *);
-AVSC_API(AVS_VideoFrame *) avs_new_video_frame_a(AVS_ScriptEnvironment *,
+AVSC_API(AVS_VideoFrame *, avs_new_video_frame_a)(AVS_ScriptEnvironment *,
const AVS_VideoInfo * vi, int align);
// align should be at least 16
+#ifndef AVSC_NO_DECLSPEC
AVSC_INLINE
AVS_VideoFrame * avs_new_video_frame(AVS_ScriptEnvironment * env,
const AVS_VideoInfo * vi)
AVS_VideoFrame * avs_new_frame(AVS_ScriptEnvironment * env,
const AVS_VideoInfo * vi)
{return avs_new_video_frame_a(env,vi,AVS_FRAME_ALIGN);}
+#endif
-AVSC_API(int) avs_make_writable(AVS_ScriptEnvironment *, AVS_VideoFrame * * pvf);
+AVSC_API(int, avs_make_writable)(AVS_ScriptEnvironment *, AVS_VideoFrame * * pvf);
-AVSC_API(void) avs_bit_blt(AVS_ScriptEnvironment *, BYTE* dstp, int dst_pitch, const BYTE* srcp, int src_pitch, int row_size, int height);
+AVSC_API(void, avs_bit_blt)(AVS_ScriptEnvironment *, BYTE* dstp, int dst_pitch, const BYTE* srcp, int src_pitch, int row_size, int height);
typedef void (AVSC_CC *AVS_ShutdownFunc)(void* user_data, AVS_ScriptEnvironment * env);
-AVSC_API(void) avs_at_exit(AVS_ScriptEnvironment *, AVS_ShutdownFunc function, void * user_data);
+AVSC_API(void, avs_at_exit)(AVS_ScriptEnvironment *, AVS_ShutdownFunc function, void * user_data);
-AVSC_API(AVS_VideoFrame *) avs_subframe(AVS_ScriptEnvironment *, AVS_VideoFrame * src, int rel_offset, int new_pitch, int new_row_size, int new_height);
+AVSC_API(AVS_VideoFrame *, avs_subframe)(AVS_ScriptEnvironment *, AVS_VideoFrame * src, int rel_offset, int new_pitch, int new_row_size, int new_height);
// The returned video frame must be be released
-AVSC_API(int) avs_set_memory_max(AVS_ScriptEnvironment *, int mem);
+AVSC_API(int, avs_set_memory_max)(AVS_ScriptEnvironment *, int mem);
-AVSC_API(int) avs_set_working_dir(AVS_ScriptEnvironment *, const char * newdir);
+AVSC_API(int, avs_set_working_dir)(AVS_ScriptEnvironment *, const char * newdir);
// avisynth.dll exports this; it's a way to use it as a library, without
// writing an AVS script or without going through AVIFile.
-AVSC_API(AVS_ScriptEnvironment *) avs_create_script_environment(int version);
+AVSC_API(AVS_ScriptEnvironment *, avs_create_script_environment)(int version);
// this symbol is the entry point for the plugin and must
// be defined
const char * AVSC_CC avisynth_c_plugin_init(AVS_ScriptEnvironment* env);
-AVSC_API(void) avs_delete_script_environment(AVS_ScriptEnvironment *);
+AVSC_API(void, avs_delete_script_environment)(AVS_ScriptEnvironment *);
-AVSC_API(AVS_VideoFrame *) avs_subframe_planar(AVS_ScriptEnvironment *, AVS_VideoFrame * src, int rel_offset, int new_pitch, int new_row_size, int new_height, int rel_offsetU, int rel_offsetV, int new_pitchUV);
+AVSC_API(AVS_VideoFrame *, avs_subframe_planar)(AVS_ScriptEnvironment *, AVS_VideoFrame * src, int rel_offset, int new_pitch, int new_row_size, int new_height, int rel_offsetU, int rel_offsetV, int new_pitchUV);
// The returned video frame must be be released
+#ifdef AVSC_NO_DECLSPEC
+// use LoadLibrary and related functions to dynamically load Avisynth instead of declspec(dllimport)
+/*
+ The following functions needs to have been declared, probably from windows.h
+
+ void* malloc(size_t)
+ void free(void*);
+
+ HMODULE LoadLibrary(const char*);
+ void* GetProcAddress(HMODULE, const char*);
+ FreeLibrary(HMODULE);
+*/
+
+
+typedef struct AVS_Library AVS_Library;
+
+#define AVSC_DECLARE_FUNC(name) name##_func name
+
+struct AVS_Library {
+ HMODULE handle;
+
+ AVSC_DECLARE_FUNC(avs_add_function);
+ AVSC_DECLARE_FUNC(avs_at_exit);
+ AVSC_DECLARE_FUNC(avs_bit_blt);
+ AVSC_DECLARE_FUNC(avs_check_version);
+ AVSC_DECLARE_FUNC(avs_clip_get_error);
+ AVSC_DECLARE_FUNC(avs_copy_clip);
+ AVSC_DECLARE_FUNC(avs_copy_value);
+ AVSC_DECLARE_FUNC(avs_copy_video_frame);
+ AVSC_DECLARE_FUNC(avs_create_script_environment);
+ AVSC_DECLARE_FUNC(avs_delete_script_environment);
+ AVSC_DECLARE_FUNC(avs_function_exists);
+ AVSC_DECLARE_FUNC(avs_get_audio);
+ AVSC_DECLARE_FUNC(avs_get_cpu_flags);
+ AVSC_DECLARE_FUNC(avs_get_frame);
+ AVSC_DECLARE_FUNC(avs_get_parity);
+ AVSC_DECLARE_FUNC(avs_get_var);
+ AVSC_DECLARE_FUNC(avs_get_version);
+ AVSC_DECLARE_FUNC(avs_get_video_info);
+ AVSC_DECLARE_FUNC(avs_invoke);
+ AVSC_DECLARE_FUNC(avs_make_writable);
+ AVSC_DECLARE_FUNC(avs_new_c_filter);
+ AVSC_DECLARE_FUNC(avs_new_video_frame_a);
+ AVSC_DECLARE_FUNC(avs_release_clip);
+ AVSC_DECLARE_FUNC(avs_release_value);
+ AVSC_DECLARE_FUNC(avs_release_video_frame);
+ AVSC_DECLARE_FUNC(avs_save_string);
+ AVSC_DECLARE_FUNC(avs_set_cache_hints);
+ AVSC_DECLARE_FUNC(avs_set_global_var);
+ AVSC_DECLARE_FUNC(avs_set_memory_max);
+ AVSC_DECLARE_FUNC(avs_set_to_clip);
+ AVSC_DECLARE_FUNC(avs_set_var);
+ AVSC_DECLARE_FUNC(avs_set_working_dir);
+ AVSC_DECLARE_FUNC(avs_sprintf);
+ AVSC_DECLARE_FUNC(avs_subframe);
+ AVSC_DECLARE_FUNC(avs_subframe_planar);
+ AVSC_DECLARE_FUNC(avs_take_clip);
+ AVSC_DECLARE_FUNC(avs_vsprintf);
+};
+
+#undef AVSC_DECLARE_FUNC
+
+
+AVSC_INLINE AVS_Library * avs_load_library() {
+ AVS_Library *library = (AVS_Library *)malloc(sizeof(AVS_Library));
+ if (library == NULL)
+ return NULL;
+ library->handle = LoadLibrary("avisynth");
+ if (library->handle == NULL)
+ goto fail;
+
+#define __AVSC_STRINGIFY(x) #x
+#define AVSC_STRINGIFY(x) __AVSC_STRINGIFY(x)
+#define AVSC_LOAD_FUNC(name) {\
+ library->name = (name##_func) GetProcAddress(library->handle, AVSC_STRINGIFY(name));\
+ if (library->name == NULL)\
+ goto fail;\
+}
+
+ AVSC_LOAD_FUNC(avs_add_function);
+ AVSC_LOAD_FUNC(avs_at_exit);
+ AVSC_LOAD_FUNC(avs_bit_blt);
+ AVSC_LOAD_FUNC(avs_check_version);
+ AVSC_LOAD_FUNC(avs_clip_get_error);
+ AVSC_LOAD_FUNC(avs_copy_clip);
+ AVSC_LOAD_FUNC(avs_copy_value);
+ AVSC_LOAD_FUNC(avs_copy_video_frame);
+ AVSC_LOAD_FUNC(avs_create_script_environment);
+ AVSC_LOAD_FUNC(avs_delete_script_environment);
+ AVSC_LOAD_FUNC(avs_function_exists);
+ AVSC_LOAD_FUNC(avs_get_audio);
+ AVSC_LOAD_FUNC(avs_get_cpu_flags);
+ AVSC_LOAD_FUNC(avs_get_frame);
+ AVSC_LOAD_FUNC(avs_get_parity);
+ AVSC_LOAD_FUNC(avs_get_var);
+ AVSC_LOAD_FUNC(avs_get_version);
+ AVSC_LOAD_FUNC(avs_get_video_info);
+ AVSC_LOAD_FUNC(avs_invoke);
+ AVSC_LOAD_FUNC(avs_make_writable);
+ AVSC_LOAD_FUNC(avs_new_c_filter);
+ AVSC_LOAD_FUNC(avs_new_video_frame_a);
+ AVSC_LOAD_FUNC(avs_release_clip);
+ AVSC_LOAD_FUNC(avs_release_value);
+ AVSC_LOAD_FUNC(avs_release_video_frame);
+ AVSC_LOAD_FUNC(avs_save_string);
+ AVSC_LOAD_FUNC(avs_set_cache_hints);
+ AVSC_LOAD_FUNC(avs_set_global_var);
+ AVSC_LOAD_FUNC(avs_set_memory_max);
+ AVSC_LOAD_FUNC(avs_set_to_clip);
+ AVSC_LOAD_FUNC(avs_set_var);
+ AVSC_LOAD_FUNC(avs_set_working_dir);
+ AVSC_LOAD_FUNC(avs_sprintf);
+ AVSC_LOAD_FUNC(avs_subframe);
+ AVSC_LOAD_FUNC(avs_subframe_planar);
+ AVSC_LOAD_FUNC(avs_take_clip);
+ AVSC_LOAD_FUNC(avs_vsprintf);
+
+#undef __AVSC_STRINGIFY
+#undef AVSC_STRINGIFY
+#undef AVSC_LOAD_FUNC
+
+ return library;
+
+fail:
+ free(library);
+ return NULL;
+}
+
+AVSC_INLINE void avs_free_library(AVS_Library *library) {
+ if (library == NULL)
+ return;
+ FreeLibrary(library->handle);
+ free(library);
+}
+#endif
+
#endif
projects / x264 / blobdiff