diff options
| author | Aleksoid <aleksoid@users.sourceforge.net> | 2010-01-28 04:25:59 +0300 |
|---|---|---|
| committer | Aleksoid <aleksoid@users.sourceforge.net> | 2010-01-28 04:25:59 +0300 |
| commit | 1041bfef9f272ffb5bd17a382f9421e86196e4ae (patch) | |
| tree | 8941bff7729d8dc8df333fd48062b48e5d619089 /include | |
| parent | cea18ffdf7a5c27b8954e98dd4e5e31c755dda19 (diff) | |
Fix : add back avisynth files, error compile VSFilter.dll
git-svn-id: https://mpc-hc.svn.sourceforge.net/svnroot/mpc-hc/trunk@1568 10f7b99b-c216-0410-bff0-8a66a9350fd8
Diffstat (limited to 'include')
| -rw-r--r-- | include/avisynth/avisynth1.h | 406 | ||||
| -rw-r--r-- | include/avisynth/avisynth25.h | 670 |
2 files changed, 1076 insertions, 0 deletions
diff --git a/include/avisynth/avisynth1.h b/include/avisynth/avisynth1.h new file mode 100644 index 000000000..ce0089f1f --- /dev/null +++ b/include/avisynth/avisynth1.h @@ -0,0 +1,406 @@ +// Avisynth v1.0 beta. Copyright 2000 Ben Rudiak-Gould.
+// http://www.math.berkeley.edu/~benrg/avisynth.html
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA, or visit
+// http://www.gnu.org/copyleft/gpl.html .
+
+
+#pragma once
+
+#ifdef _MSC_VER
+ #include <crtdbg.h>
+#else
+ #define _ASSERTE(x) assert(x)
+ #include <assert.h>
+#endif
+
+
+enum { AVISYNTH_INTERFACE_VERSION = 1 };
+
+
+// I had problems with Premiere wanting 1-byte alignment for its structures,
+// so I now set the Avisynth struct alignment explicitly here.
+#pragma pack(push,8)
+
+
+// The VideoInfo struct holds global information about a clip (i.e.
+// information that does not depend on the frame number). The GetVideoInfo
+// method in IClip returns this struct.
+
+struct VideoInfo {
+ int width, height; // width=0 means no video
+ unsigned fps_numerator, fps_denominator;
+ int num_frames;
+ enum { UNKNOWN=0, BGR24=0x13, BGR32=0x14, YUY2=0x22 };
+ unsigned char pixel_type;
+ bool field_based;
+
+ int audio_samples_per_second; // 0 means no audio
+ int num_audio_samples;
+ bool stereo, sixteen_bit;
+
+ // useful functions of the above
+ bool HasVideo() const { return !!width; }
+ bool HasAudio() const { return !!audio_samples_per_second; }
+ bool IsRGB() const { return !!(pixel_type&0x10); }
+ bool IsRGB24() const { return pixel_type == BGR24; }
+ bool IsRGB32() const { return pixel_type == BGR32; }
+ bool IsYUV() const { return !!(pixel_type&0x20); }
+ bool IsYUY2() const { return pixel_type == YUY2; }
+ int BytesFromPixels(int pixels) const { return pixels * (pixel_type&7); }
+ int RowSize() const { return BytesFromPixels(width); }
+ int BitsPerPixel() const { return (pixel_type&7) * 8; }
+ int BMPSize() const { return height * ((RowSize()+3) & -4); }
+ int AudioSamplesFromFrames(int frames) const { return int(__int64(frames) * audio_samples_per_second * fps_denominator / fps_numerator); }
+ int FramesFromAudioSamples(int samples) const { return int(__int64(samples) * fps_numerator / fps_denominator / audio_samples_per_second); }
+ int AudioSamplesFromBytes(int bytes) const { return bytes >> (stereo + sixteen_bit); }
+ int BytesFromAudioSamples(int samples) const { return samples << (stereo + sixteen_bit); }
+ int BytesPerAudioSample() const { return BytesFromAudioSamples(1); }
+
+ // useful mutator
+ void SetFPS(unsigned numerator, unsigned denominator) {
+ unsigned x=numerator, y=denominator;
+ while (y) { // find gcd
+ unsigned t = x%y; x = y; y = t;
+ }
+ fps_numerator = numerator/x;
+ fps_denominator = denominator/x;
+ }
+};
+
+
+// VideoFrameBuffer holds information about a memory block which is used
+// for video data. For efficiency, instances of this class are not deleted
+// when the refcount reaches zero; instead they're stored in a linked list
+// to be reused. The instances are deleted when the corresponding AVS
+// file is closed.
+
+class VideoFrameBuffer {
+ unsigned char* const data;
+ const 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;
+
+ friend class VideoFrame;
+ friend class Cache;
+ long refcount;
+
+public:
+ VideoFrameBuffer(int size);
+ VideoFrameBuffer();
+ ~VideoFrameBuffer();
+
+ const unsigned char* GetReadPtr() const { return data; }
+ unsigned char* GetWritePtr() { ++sequence_number; return data; }
+ int GetDataSize() { return data_size; }
+ int GetSequenceNumber() { return sequence_number; }
+ int GetRefcount() { return refcount; }
+};
+
+
+class IClip;
+class PClip;
+class PVideoFrame;
+class IScriptEnvironment;
+class AVSValue;
+
+
+// VideoFrame holds a "window" into a VideoFrameBuffer. Operator new
+// is overloaded to recycle class instances.
+
+class VideoFrame {
+ int refcount;
+ VideoFrameBuffer* const vfb;
+ const int offset, pitch, row_size, height;
+
+ friend class PVideoFrame;
+ void AddRef() { ++refcount; }
+ void Release() { if (refcount==1) --vfb->refcount; --refcount; }
+
+ friend class ScriptEnvironment;
+ friend class Cache;
+
+ VideoFrame(VideoFrameBuffer* _vfb, int _offset, int _pitch, int _row_size, int _height);
+
+ void* operator new(unsigned size);
+
+public:
+ int GetPitch() const { return pitch; }
+ int GetRowSize() const { return row_size; }
+ int GetHeight() const { return height; }
+
+ // generally you shouldn't use these two
+ VideoFrameBuffer* GetFrameBuffer() const { return vfb; }
+ int GetOffset() const { return offset; }
+
+ // in plugins use env->SubFrame()
+ VideoFrame* Subframe(int rel_offset, int new_pitch, int new_row_size, int new_height) const;
+
+ const unsigned char* GetReadPtr() const { return vfb->GetReadPtr() + offset; }
+
+ bool IsWritable() const { return (refcount == 1 && vfb->refcount == 1); }
+
+ unsigned char* GetWritePtr() const {
+ return IsWritable() ? (vfb->GetWritePtr() + offset) : 0;
+ }
+
+ ~VideoFrame() { --vfb->refcount; }
+};
+
+
+// Base class for all filters.
+class IClip {
+ friend class PClip;
+ friend class AVSValue;
+ int refcnt;
+ void AddRef() { ++refcnt; }
+ void Release() { if (!--refcnt) delete this; }
+public:
+ IClip() : refcnt(0) {}
+
+ virtual int __stdcall GetVersion() { return AVISYNTH_INTERFACE_VERSION; }
+
+ virtual PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* env) = 0;
+ virtual bool __stdcall GetParity(int n) = 0; // return field parity if field_based, else parity of first field in frame
+ virtual void __stdcall GetAudio(void* buf, int start, int count, IScriptEnvironment* env) = 0; // start and count are in samples
+ virtual const VideoInfo& __stdcall GetVideoInfo() = 0;
+ virtual __stdcall ~IClip() {}
+};
+
+
+// smart pointer to IClip
+class PClip {
+
+ IClip* p;
+
+ IClip* GetPointerWithAddRef() const { if (p) p->AddRef(); return p; }
+ friend class AVSValue;
+ friend class VideoFrame;
+
+ void Init(IClip* x) {
+ if (x) x->AddRef();
+ p=x;
+ }
+ void Set(IClip* x) {
+ if (x) x->AddRef();
+ if (p) p->Release();
+ p=x;
+ }
+
+public:
+ PClip() { p = 0; }
+ PClip(const PClip& x) { Init(x.p); }
+ PClip(IClip* x) { Init(x); }
+ void operator=(IClip* x) { Set(x); }
+ void operator=(const PClip& x) { Set(x.p); }
+
+ IClip* operator->() const { return p; }
+
+ // useful in conditional expressions
+ operator void*() const { return p; }
+ bool operator!() const { return !p; }
+
+ ~PClip() { if (p) p->Release(); }
+};
+
+
+// smart pointer to VideoFrame
+class PVideoFrame {
+
+ VideoFrame* p;
+
+ void Init(VideoFrame* x) {
+ if (x) x->AddRef();
+ p=x;
+ }
+ void Set(VideoFrame* x) {
+ if (x) x->AddRef();
+ if (p) p->Release();
+ p=x;
+ }
+
+public:
+ PVideoFrame() { p = 0; }
+ PVideoFrame(const PVideoFrame& x) { Init(x.p); }
+ PVideoFrame(VideoFrame* x) { Init(x); }
+ void operator=(VideoFrame* x) { Set(x); }
+ void operator=(const PVideoFrame& x) { Set(x.p); }
+
+ VideoFrame* operator->() const { return p; }
+
+ // for conditional expressions
+ operator void*() const { return p; }
+ bool operator!() const { return !p; }
+
+ ~PVideoFrame() { if (p) p->Release(); }
+};
+
+
+class AVSValue {
+public:
+
+ AVSValue() { type = 'v'; }
+ AVSValue(IClip* c) { type = 'c'; clip = c; if (c) c->AddRef(); }
+ AVSValue(const PClip& c) { type = 'c'; clip = c.GetPointerWithAddRef(); }
+ AVSValue(bool b) { type = 'b'; boolean = b; }
+ AVSValue(int i) { type = 'i'; integer = i; }
+ AVSValue(float f) { type = 'f'; floating_pt = f; }
+ AVSValue(double f) { type = 'f'; floating_pt = float(f); }
+ AVSValue(const char* s) { type = 's'; string = s; }
+ AVSValue(const AVSValue* a, int size) { type = 'a'; array = a; array_size = size; }
+ AVSValue(const AVSValue& v) { Assign(&v, true); }
+
+ ~AVSValue() { if (IsClip() && clip) clip->Release(); }
+ AVSValue& operator=(const AVSValue& v) { Assign(&v, false); return *this; }
+
+ // Note that we transparently allow 'int' to be treated as 'float'.
+ // There are no int<->bool conversions, though.
+
+ bool Defined() const { return type != 'v'; }
+ bool IsClip() const { return type == 'c'; }
+ bool IsBool() const { return type == 'b'; }
+ bool IsInt() const { return type == 'i'; }
+ bool IsFloat() const { return type == 'f' || type == 'i'; }
+ bool IsString() const { return type == 's'; }
+ bool IsArray() const { return type == 'a'; }
+
+ PClip AsClip() const { _ASSERTE(IsClip()); return IsClip()?clip:0; }
+ bool AsBool() const { _ASSERTE(IsBool()); return boolean; }
+ int AsInt() const { _ASSERTE(IsInt()); return integer; }
+ const char* AsString() const { _ASSERTE(IsString()); return IsString()?string:0; }
+ double AsFloat() const { _ASSERTE(IsFloat()); return IsInt()?integer:floating_pt; }
+
+ bool AsBool(bool def) const { _ASSERTE(IsBool()||!Defined()); return IsBool() ? boolean : def; }
+ int AsInt(int def) const { _ASSERTE(IsInt()||!Defined()); return IsInt() ? integer : def; }
+ double AsFloat(double def) const { _ASSERTE(IsFloat()||!Defined()); return IsInt() ? integer : type=='f' ? floating_pt : def; }
+ const char* AsString(const char* def) const { _ASSERTE(IsString()||!Defined()); return IsString() ? string : def; }
+
+ int ArraySize() const { _ASSERTE(IsArray()); return IsArray()?array_size:1; }
+ const AVSValue& operator[](int index) const {
+ _ASSERTE(IsArray() && index>=0 && index<array_size);
+ return (IsArray() && index>=0 && index<array_size) ? array[index] : *this;
+ }
+
+private:
+
+ short type; // 'a'rray, 'c'lip, 'b'ool, 'i'nt, 'f'loat, 's'tring, or 'v'oid
+ short array_size;
+ union {
+ IClip* clip;
+ bool boolean;
+ int integer;
+ float floating_pt;
+ const char* string;
+ const AVSValue* array;
+ };
+
+ void Assign(const AVSValue* src, bool init) {
+ if (src->IsClip() && src->clip)
+ src->clip->AddRef();
+ if (!init && IsClip() && clip)
+ clip->Release();
+ // make sure this copies the whole struct!
+ ((__int32*)this)[0] = ((__int32*)src)[0];
+ ((__int32*)this)[1] = ((__int32*)src)[1];
+ }
+};
+
+
+// instantiable null filter
+class GenericVideoFilter : public IClip {
+protected:
+ PClip child;
+ VideoInfo vi;
+public:
+ GenericVideoFilter(PClip _child) : child(_child) { vi = child->GetVideoInfo(); }
+ PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* env) { return child->GetFrame(n, env); }
+ void __stdcall GetAudio(void* buf, int start, int count, IScriptEnvironment* env) { child->GetAudio(buf, start, count, env); }
+ const VideoInfo& __stdcall GetVideoInfo() { return vi; }
+ bool __stdcall GetParity(int n) { return child->GetParity(n); }
+};
+
+
+class AvisynthError /* exception */ {
+public:
+ const char* const msg;
+ AvisynthError(const char* _msg) : msg(_msg) {}
+};
+
+
+// For GetCPUFlags. These are the same as in VirtualDub.
+enum {
+ CPUF_FORCE = 0x01,
+ CPUF_FPU = 0x02,
+ CPUF_MMX = 0x04,
+ CPUF_INTEGER_SSE = 0x08, // Athlon MMX extensions or Intel SSE
+ CPUF_SSE = 0x10, // Full SSE (PIII)
+ CPUF_SSE2 = 0x20, // (PIV)
+ CPUF_3DNOW = 0x40,
+ CPUF_3DNOW_EXT = 0x80, // Athlon 3DNow! extensions
+};
+
+
+class IScriptEnvironment {
+public:
+ virtual __stdcall ~IScriptEnvironment() {}
+
+ virtual /*static*/ long __stdcall GetCPUFlags() = 0;
+
+ virtual char* __stdcall SaveString(const char* s, int length = -1) = 0;
+ virtual char* __stdcall Sprintf(const char* fmt, ...) = 0;
+ // note: val is really a va_list; I hope everyone typedefs va_list to a pointer
+ virtual char* __stdcall VSprintf(const char* fmt, void* val) = 0;
+
+ __declspec(noreturn) virtual void __stdcall ThrowError(const char* fmt, ...) = 0;
+
+ class NotFound /*exception*/ {}; // thrown by Invoke and GetVar
+
+ typedef AVSValue (__cdecl *ApplyFunc)(AVSValue args, void* user_data, IScriptEnvironment* env);
+
+ virtual void __stdcall AddFunction(const char* name, const char* params, ApplyFunc apply, void* user_data) = 0;
+ virtual bool __stdcall FunctionExists(const char* name) = 0;
+ virtual AVSValue __stdcall Invoke(const char* name, const AVSValue args, const char** arg_names=0) = 0;
+
+ virtual AVSValue __stdcall GetVar(const char* name) = 0;
+ virtual bool __stdcall SetVar(const char* name, const AVSValue& val) = 0;
+ virtual bool __stdcall SetGlobalVar(const char* name, const AVSValue& val) = 0;
+
+ virtual void __stdcall PushContext(int level=0) = 0;
+ virtual void __stdcall PopContext() = 0;
+
+ // align should be 4 or 8
+ virtual PVideoFrame __stdcall NewVideoFrame(const VideoInfo& vi, int align=8) = 0;
+
+ virtual bool __stdcall MakeWritable(PVideoFrame* pvf) = 0;
+
+ virtual /*static*/ void __stdcall BitBlt(unsigned char* dstp, int dst_pitch, const unsigned char* srcp, int src_pitch, int row_size, int height) = 0;
+
+ typedef void (__cdecl *ShutdownFunc)(void* user_data, IScriptEnvironment* env);
+ virtual void __stdcall AtExit(ShutdownFunc function, void* user_data) = 0;
+
+ virtual void __stdcall CheckVersion(int version = AVISYNTH_INTERFACE_VERSION) = 0;
+
+ virtual PVideoFrame __stdcall Subframe(PVideoFrame src, int rel_offset, int new_pitch, int new_row_size, int new_height) = 0;
+};
+
+
+// avisynth.dll exports this; it's a way to use it as a library, without
+// writing an AVS script or without going through AVIFile.
+IScriptEnvironment* __stdcall CreateScriptEnvironment(int version = AVISYNTH_INTERFACE_VERSION);
+
+
+#pragma pack(pop)
+
diff --git a/include/avisynth/avisynth25.h b/include/avisynth/avisynth25.h new file mode 100644 index 000000000..21de2eca4 --- /dev/null +++ b/include/avisynth/avisynth25.h @@ -0,0 +1,670 @@ +// Avisynth v2.5 alpha. Copyright 2002 Ben Rudiak-Gould et al.
+// http://www.avisynth.org
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA, or visit
+// http://www.gnu.org/copyleft/gpl.html .
+//
+// Linking Avisynth statically or dynamically with other modules is making a
+// combined work based on Avisynth. Thus, the terms and conditions of the GNU
+// General Public License cover the whole combination.
+//
+// As a special exception, the copyright holders of Avisynth give you
+// permission to link Avisynth with independent modules that communicate with
+// Avisynth solely through the interfaces defined in avisynth.h, regardless of the license
+// terms of these independent modules, and to copy and distribute the
+// resulting combined work under terms of your choice, provided that
+// every copy of the combined work is accompanied by a complete copy of
+// the source code of Avisynth (the version of Avisynth used to produce the
+// combined work), being distributed under the terms of the GNU General
+// Public License plus this exception. An independent module is a module
+// which is not derived from or based on Avisynth, such as 3rd-party filters,
+// import and export plugins, or graphical user interfaces.
+
+
+#pragma once
+
+enum { AVISYNTH_INTERFACE_VERSION = 2 };
+
+
+/* Define all types necessary for interfacing with avisynth.dll
+ Moved from internal.h */
+
+// Win32 API macros, notably the types BYTE, DWORD, ULONG, etc.
+#include <windef.h>
+
+// COM interface macros
+#include <objbase.h>
+
+// Raster types used by VirtualDub & Avisynth
+#define in64 (__int64)(unsigned short)
+typedef unsigned long Pixel; // this will break on 64-bit machines!
+typedef unsigned long Pixel32;
+typedef unsigned char Pixel8;
+typedef long PixCoord;
+typedef long PixDim;
+typedef long PixOffset;
+
+
+/* Compiler-specific crap */
+
+// Tell MSVC to stop precompiling here
+#ifdef _MSC_VER
+// #pragma hdrstop
+#endif
+
+// Set up debugging macros for MS compilers; for others, step down to the
+// standard <assert.h> interface
+#ifdef _MSC_VER
+ #include <crtdbg.h>
+#else
+ #define _RPT0(a,b) ((void)0)
+ #define _RPT1(a,b,c) ((void)0)
+ #define _RPT2(a,b,c,d) ((void)0)
+ #define _RPT3(a,b,c,d,e) ((void)0)
+ #define _RPT4(a,b,c,d,e,f) ((void)0)
+
+ #define _ASSERTE(x) assert(x)
+ #include <assert.h>
+#endif
+
+
+
+// I had problems with Premiere wanting 1-byte alignment for its structures,
+// so I now set the Avisynth struct alignment explicitly here.
+#pragma pack(push,8)
+
+#define FRAME_ALIGN 16
+// Default frame alignment is 16 bytes, to help P4, when using SSE2
+
+// The VideoInfo struct holds global information about a clip (i.e.
+// information that does not depend on the frame number). The GetVideoInfo
+// method in IClip returns this struct.
+
+// Audio Sample information
+typedef float SFLOAT;
+
+enum {SAMPLE_INT8 = 1<<0,
+ SAMPLE_INT16 = 1<<1,
+ SAMPLE_INT24 = 1<<2, // Int24 is a very stupid thing to code, but it's supported by some hardware.
+ SAMPLE_INT32 = 1<<3,
+ SAMPLE_FLOAT = 1<<4};
+
+enum {
+ PLANAR_Y=1<<0,
+ PLANAR_U=1<<1,
+ PLANAR_V=1<<2,
+ PLANAR_ALIGNED=1<<3,
+ PLANAR_Y_ALIGNED=PLANAR_Y|PLANAR_ALIGNED,
+ PLANAR_U_ALIGNED=PLANAR_U|PLANAR_ALIGNED,
+ PLANAR_V_ALIGNED=PLANAR_V|PLANAR_ALIGNED,
+ };
+
+struct VideoInfo {
+ int width, height; // width=0 means no video
+ unsigned fps_numerator, fps_denominator;
+ int num_frames;
+ // This is more extensible than previous versions. More properties can be added seeminglesly.
+
+ // Colorspace properties.
+ enum {
+ CS_BGR = 1<<28,
+ CS_YUV = 1<<29,
+ CS_INTERLEAVED = 1<<30,
+ CS_PLANAR = 1<<31
+ };
+
+ // Specific colorformats
+ enum { CS_UNKNOWN = 0,
+ CS_BGR24 = 1<<0 | CS_BGR | CS_INTERLEAVED,
+ CS_BGR32 = 1<<1 | CS_BGR | CS_INTERLEAVED,
+ CS_YUY2 = 1<<2 | CS_YUV | CS_INTERLEAVED,
+ CS_YV12 = 1<<3 | CS_YUV | CS_PLANAR, // y-v-u, planar
+ CS_I420 = 1<<4 | CS_YUV | CS_PLANAR, // y-u-v, planar
+ CS_IYUV = 1<<4 | CS_YUV | CS_PLANAR // same as above
+ };
+ int pixel_type; // changed to int as of 2.5
+
+
+ int audio_samples_per_second; // 0 means no audio
+ int sample_type; // as of 2.5
+ __int64 num_audio_samples; // changed as of 2.5
+ int nchannels; // as of 2.5
+
+ // Imagetype properties
+
+ int image_type;
+
+ enum {
+ IT_BFF = 1<<0,
+ IT_TFF = 1<<1,
+ IT_FIELDBASED = 1<<2
+ };
+
+ // useful functions of the above
+ bool HasVideo() const { return (width!=0); }
+ bool HasAudio() const { return (audio_samples_per_second!=0); }
+ bool IsRGB() const { return !!(pixel_type&CS_BGR); }
+ bool IsRGB24() const { return (pixel_type&CS_BGR24)==CS_BGR24; } // Clear out additional properties
+ bool IsRGB32() const { return (pixel_type & CS_BGR32) == CS_BGR32 ; }
+ bool IsYUV() const { return !!(pixel_type&CS_YUV ); }
+ bool IsYUY2() const { return (pixel_type & CS_YUY2) == CS_YUY2; }
+ bool IsYV12() const { return ((pixel_type & CS_YV12) == CS_YV12)||((pixel_type & CS_I420) == CS_I420); }
+ bool IsColorSpace(int c_space) const { return ((pixel_type & c_space) == c_space); }
+ bool Is(int property) const { return ((pixel_type & property)==property ); }
+ bool IsPlanar() const { return !!(pixel_type & CS_PLANAR); }
+ bool IsFieldBased() const { return !!(image_type & IT_FIELDBASED); }
+ bool IsParityKnown() const { return ((image_type & IT_FIELDBASED)&&(image_type & (IT_BFF||IT_TFF))); }
+ bool IsBFF() const { return !!(pixel_type & IT_BFF); }
+ bool IsTFF() const { return !!(pixel_type & IT_TFF); }
+
+ bool IsVPlaneFirst() const {return ((pixel_type & CS_YV12) == CS_YV12); } // Don't use this
+ int BytesFromPixels(int pixels) const { return pixels * (BitsPerPixel()>>3); } // Will not work on planar images, but will return only luma planes
+ int RowSize() const { return BytesFromPixels(width); } // Also only returns first plane on planar images
+ int BMPSize() const { if (IsPlanar()) {int p = height * ((RowSize()+3) & ~3); p+=p>>1; return p; } return height * ((RowSize()+3) & ~3); }
+ __int64 AudioSamplesFromFrames(__int64 frames) const { return (__int64(frames) * audio_samples_per_second * fps_denominator / fps_numerator); }
+ int FramesFromAudioSamples(__int64 samples) const { return (int)(samples * (__int64)fps_numerator / (__int64)fps_denominator / (__int64)audio_samples_per_second); }
+ __int64 AudioSamplesFromBytes(__int64 bytes) const { return bytes / BytesPerAudioSample(); }
+ __int64 BytesFromAudioSamples(__int64 samples) const { return samples * BytesPerAudioSample(); }
+ int AudioChannels() const { return nchannels; }
+ int SampleType() const{ return sample_type;}
+ int SamplesPerSecond() const { return audio_samples_per_second; }
+ int BytesPerAudioSample() const { return nchannels*BytesPerChannelSample();}
+ void SetFieldBased(bool isfieldbased) { if (isfieldbased) image_type|=IT_FIELDBASED; else image_type&=~IT_FIELDBASED; }
+ void Set(int property) { image_type|=property; }
+ void Clear(int property) { image_type&=~property; }
+
+ int BitsPerPixel() const {
+ switch (pixel_type) {
+ case CS_BGR24:
+ return 24;
+ case CS_BGR32:
+ return 32;
+ case CS_YUY2:
+ return 16;
+ case CS_YV12:
+ case CS_I420:
+ return 12;
+ default:
+ return 0;
+ }
+ }
+ int BytesPerChannelSample() const {
+ switch (sample_type) {
+ case SAMPLE_INT8:
+ return sizeof(signed char);
+ case SAMPLE_INT16:
+ return sizeof(signed short);
+ case SAMPLE_INT24:
+ return 3;
+ case SAMPLE_INT32:
+ return sizeof(signed int);
+ case SAMPLE_FLOAT:
+ return sizeof(SFLOAT);
+ default:
+ _ASSERTE("Sample type not recognized!");
+ return 0;
+ }
+ }
+
+ // useful mutator
+ void SetFPS(unsigned numerator, unsigned denominator) {
+ unsigned x=numerator, y=denominator;
+ while (y) { // find gcd
+ unsigned t = x%y; x = y; y = t;
+ }
+ fps_numerator = numerator/x;
+ fps_denominator = denominator/x;
+ }
+};
+
+enum {
+ FILTER_TYPE=1,
+ FILTER_INPUT_COLORSPACE=2,
+ FILTER_OUTPUT_TYPE=9,
+ FILTER_NAME=4,
+ FILTER_AUTHOR=5,
+ FILTER_VERSION=6,
+ FILTER_ARGS=7,
+ FILTER_ARGS_INFO=8,
+ FILTER_ARGS_DESCRIPTION=10,
+ FILTER_DESCRIPTION=11,
+};
+enum { //SUBTYPES
+ FILTER_TYPE_AUDIO=1,
+ FILTER_TYPE_VIDEO=2,
+ FILTER_OUTPUT_TYPE_SAME=3,
+ FILTER_OUTPUT_TYPE_DIFFERENT=4,
+};
+
+
+
+// VideoFrameBuffer holds information about a memory block which is used
+// for video data. For efficiency, instances of this class are not deleted
+// when the refcount reaches zero; instead they're stored in a linked list
+// to be reused. The instances are deleted when the corresponding AVS
+// file is closed.
+
+class VideoFrameBuffer {
+ BYTE* const data;
+ const 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;
+
+ friend class VideoFrame;
+ friend class Cache;
+ long refcount;
+
+public:
+ VideoFrameBuffer(int size);
+ VideoFrameBuffer();
+ ~VideoFrameBuffer();
+
+ const BYTE* GetReadPtr() const { return data; }
+ BYTE* GetWritePtr() { ++sequence_number; return data; }
+ int GetDataSize() { return data_size; }
+ int GetSequenceNumber() { return sequence_number; }
+ int GetRefcount() { return refcount; }
+};
+
+
+class IClip;
+class PClip;
+class PVideoFrame;
+class IScriptEnvironment;
+class AVSValue;
+
+
+// VideoFrame holds a "window" into a VideoFrameBuffer. Operator new
+// is overloaded to recycle class instances.
+
+class VideoFrame {
+ int refcount;
+ VideoFrameBuffer* const vfb;
+ const int offset, pitch, row_size, height, offsetU, offsetV, pitchUV; // U&V offsets are from top of picture.
+
+ friend class PVideoFrame;
+ void AddRef() { ++refcount; }
+ void Release() { if (refcount==1) --vfb->refcount; --refcount; }
+
+ friend class ScriptEnvironment;
+ friend class Cache;
+
+ VideoFrame(VideoFrameBuffer* _vfb, int _offset, int _pitch, int _row_size, int _height);
+ VideoFrame(VideoFrameBuffer* _vfb, int _offset, int _pitch, int _row_size, int _height, int _offsetU, int _offsetV, int _pitchUV);
+
+ void* operator new(unsigned size);
+// TESTME: OFFSET U/V may be switched to what could be expected from AVI standard!
+public:
+ int GetPitch() const { return pitch; }
+ int GetPitch(int plane) const { switch (plane) {case PLANAR_U: case PLANAR_V: return pitchUV;} return pitch; }
+ int GetRowSize() const { return row_size; }
+ int GetRowSize(int plane) const {
+ switch (plane) {
+ case PLANAR_U: case PLANAR_V: if (pitchUV) return row_size>>1; else return 0;
+ case PLANAR_U_ALIGNED: case PLANAR_V_ALIGNED:
+ if (pitchUV) {
+ int r = ((row_size+FRAME_ALIGN-1)&(~(FRAME_ALIGN-1)) )>>1; // Aligned rowsize
+ if (r<=pitchUV)
+ return r;
+ return row_size>>1;
+ } else return 0;
+ case PLANAR_Y_ALIGNED:
+ int r = (row_size+FRAME_ALIGN-1)&(~(FRAME_ALIGN-1)); // Aligned rowsize
+ if (r<=pitch)
+ return r;
+ return row_size;
+ }
+ return row_size; }
+ int GetHeight() const { return height; }
+ int GetHeight(int plane) const { switch (plane) {case PLANAR_U: case PLANAR_V: if (pitchUV) return height>>1; return 0;} return height; }
+
+ // generally you shouldn't use these three
+ VideoFrameBuffer* GetFrameBuffer() const { return vfb; }
+ int GetOffset() const { return offset; }
+ int GetOffset(int plane) const { switch (plane) {case PLANAR_U: return offsetU;case PLANAR_V: return offsetV;default: return offset;}; }
+
+ // in plugins use env->SubFrame()
+ VideoFrame* Subframe(int rel_offset, int new_pitch, int new_row_size, int new_height) const;
+ VideoFrame* Subframe(int rel_offset, int new_pitch, int new_row_size, int new_height, int rel_offsetU, int rel_offsetV, int pitchUV) const;
+
+
+ const BYTE* GetReadPtr() const { return vfb->GetReadPtr() + offset; }
+ const BYTE* GetReadPtr(int plane) const { return vfb->GetReadPtr() + GetOffset(plane); }
+
+ bool IsWritable() const { return (refcount == 1 && vfb->refcount == 1); }
+
+ BYTE* GetWritePtr() const {
+ return IsWritable() ? (vfb->GetWritePtr() + offset) : 0;
+ }
+
+ BYTE* GetWritePtr(int plane) const {
+ if (plane==PLANAR_Y)
+ return IsWritable() ? vfb->GetWritePtr() + GetOffset(plane) : 0;
+ return vfb->data + GetOffset(plane);
+ }
+
+ ~VideoFrame() { --vfb->refcount; }
+};
+
+enum {
+ CACHE_NOTHING=0,
+ CACHE_RANGE=1 };
+
+// Base class for all filters.
+class IClip {
+ friend class PClip;
+ friend class AVSValue;
+ int refcnt;
+ void AddRef() { ++refcnt; }
+ void Release() { if (!--refcnt) delete this; }
+public:
+ IClip() : refcnt(0) {}
+
+ virtual int __stdcall GetVersion() { return AVISYNTH_INTERFACE_VERSION; }
+
+ virtual PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* env) = 0;
+ virtual bool __stdcall GetParity(int n) = 0; // return field parity if field_based, else parity of first field in frame
+ virtual void __stdcall GetAudio(void* buf, __int64 start, __int64 count, IScriptEnvironment* env) = 0; // start and count are in samples
+ virtual void __stdcall SetCacheHints(int cachehints,int frame_range) = 0 ; // We do not pass cache requests upwards, only to the next filter.
+ virtual const VideoInfo& __stdcall GetVideoInfo() = 0;
+ virtual __stdcall ~IClip() {}
+};
+
+
+// smart pointer to IClip
+class PClip {
+
+ IClip* p;
+
+ IClip* GetPointerWithAddRef() const { if (p) p->AddRef(); return p; }
+ friend class AVSValue;
+ friend class VideoFrame;
+
+ void Init(IClip* x) {
+ if (x) x->AddRef();
+ p=x;
+ }
+ void Set(IClip* x) {
+ if (x) x->AddRef();
+ if (p) p->Release();
+ p=x;
+ }
+
+public:
+ PClip() { p = 0; }
+ PClip(const PClip& x) { Init(x.p); }
+ PClip(IClip* x) { Init(x); }
+ void operator=(IClip* x) { Set(x); }
+ void operator=(const PClip& x) { Set(x.p); }
+
+ IClip* operator->() const { return p; }
+
+ // useful in conditional expressions
+ operator void*() const { return p; }
+ bool operator!() const { return !p; }
+
+ ~PClip() { if (p) p->Release(); }
+};
+
+
+// smart pointer to VideoFrame
+class PVideoFrame {
+
+ VideoFrame* p;
+
+ void Init(VideoFrame* x) {
+ if (x) x->AddRef();
+ p=x;
+ }
+ void Set(VideoFrame* x) {
+ if (x) x->AddRef();
+ if (p) p->Release();
+ p=x;
+ }
+
+public:
+ PVideoFrame() { p = 0; }
+ PVideoFrame(const PVideoFrame& x) { Init(x.p); }
+ PVideoFrame(VideoFrame* x) { Init(x); }
+ void operator=(VideoFrame* x) { Set(x); }
+ void operator=(const PVideoFrame& x) { Set(x.p); }
+
+ VideoFrame* operator->() const { return p; }
+
+ // for conditional expressions
+ operator void*() const { return p; }
+ bool operator!() const { return !p; }
+
+ ~PVideoFrame() { if (p) p->Release(); }
+};
+
+
+class AVSValue {
+public:
+
+ AVSValue() { type = 'v'; }
+ AVSValue(IClip* c) { type = 'c'; clip = c; if (c) c->AddRef(); }
+ AVSValue(const PClip& c) { type = 'c'; clip = c.GetPointerWithAddRef(); }
+ AVSValue(bool b) { type = 'b'; boolean = b; }
+ AVSValue(int i) { type = 'i'; integer = i; }
+// AVSValue(__int64 l) { type = 'l'; longlong = l; }
+ AVSValue(float f) { type = 'f'; floating_pt = f; }
+ AVSValue(double f) { type = 'f'; floating_pt = float(f); }
+ AVSValue(const char* s) { type = 's'; string = s; }
+ AVSValue(const AVSValue* a, int size) { type = 'a'; array = a; array_size = size; }
+ AVSValue(const AVSValue& v) { Assign(&v, true); }
+
+ ~AVSValue() { if (IsClip() && clip) clip->Release(); }
+ AVSValue& operator=(const AVSValue& v) { Assign(&v, false); return *this; }
+
+ // Note that we transparently allow 'int' to be treated as 'float'.
+ // There are no int<->bool conversions, though.
+
+ bool Defined() const { return type != 'v'; }
+ bool IsClip() const { return type == 'c'; }
+ bool IsBool() const { return type == 'b'; }
+ bool IsInt() const { return type == 'i'; }
+// bool IsLong() const { return (type == 'l'|| type == 'i'); }
+ bool IsFloat() const { return type == 'f' || type == 'i'; }
+ bool IsString() const { return type == 's'; }
+ bool IsArray() const { return type == 'a'; }
+
+ PClip AsClip() const { _ASSERTE(IsClip()); return IsClip()?clip:0; }
+ bool AsBool() const { _ASSERTE(IsBool()); return boolean; }
+ int AsInt() const { _ASSERTE(IsInt()); return integer; }
+// int AsLong() const { _ASSERTE(IsLong()); return longlong; }
+ const char* AsString() const { _ASSERTE(IsString()); return IsString()?string:0; }
+ double AsFloat() const { _ASSERTE(IsFloat()); return IsInt()?integer:floating_pt; }
+
+ bool AsBool(bool def) const { _ASSERTE(IsBool()||!Defined()); return IsBool() ? boolean : def; }
+ int AsInt(int def) const { _ASSERTE(IsInt()||!Defined()); return IsInt() ? integer : def; }
+ double AsFloat(double def) const { _ASSERTE(IsFloat()||!Defined()); return IsInt() ? integer : type=='f' ? floating_pt : def; }
+ const char* AsString(const char* def) const { _ASSERTE(IsString()||!Defined()); return IsString() ? string : def; }
+
+ int ArraySize() const { _ASSERTE(IsArray()); return IsArray()?array_size:1; }
+ const AVSValue& operator[](int index) const {
+ _ASSERTE(IsArray() && index>=0 && index<array_size);
+ return (IsArray() && index>=0 && index<array_size) ? array[index] : *this;
+ }
+
+private:
+
+ short type; // 'a'rray, 'c'lip, 'b'ool, 'i'nt, 'f'loat, 's'tring, 'v'oid, or 'l'ong
+ short array_size;
+ union {
+ IClip* clip;
+ bool boolean;
+ int integer;
+ float floating_pt;
+ const char* string;
+ const AVSValue* array;
+// __int64 longlong;
+ };
+
+ void Assign(const AVSValue* src, bool init) {
+ if (src->IsClip() && src->clip)
+ src->clip->AddRef();
+ if (!init && IsClip() && clip)
+ clip->Release();
+ // make sure this copies the whole struct!
+ ((__int32*)this)[0] = ((__int32*)src)[0];
+ ((__int32*)this)[1] = ((__int32*)src)[1];
+ }
+};
+
+
+// instantiable null filter
+class GenericVideoFilter : public IClip {
+protected:
+ PClip child;
+ VideoInfo vi;
+public:
+ GenericVideoFilter(PClip _child) : child(_child) { vi = child->GetVideoInfo(); }
+ PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* env) { return child->GetFrame(n, env); }
+ void __stdcall GetAudio(void* buf, __int64 start, __int64 count, IScriptEnvironment* env) { child->GetAudio(buf, start, count, env); }
+ const VideoInfo& __stdcall GetVideoInfo() { return vi; }
+ bool __stdcall GetParity(int n) { return child->GetParity(n); }
+ void __stdcall SetCacheHints(int cachehints,int frame_range) { } ; // We do not pass cache requests upwards, only to the next filter.
+};
+
+
+class AvisynthError /* exception */ {
+public:
+ const char* const msg;
+ AvisynthError(const char* _msg) : msg(_msg) {}
+};
+
+
+// For GetCPUFlags. These are backwards-compatible with those in VirtualDub.
+enum {
+ /* slowest CPU to support extension */
+ CPUF_FORCE = 0x01, // N/A
+ CPUF_FPU = 0x02, // 386/486DX
+ CPUF_MMX = 0x04, // P55C, K6, PII
+ CPUF_INTEGER_SSE = 0x08, // PIII, Athlon
+ CPUF_SSE = 0x10, // PIII, Athlon XP/MP
+ CPUF_SSE2 = 0x20, // PIV, Hammer
+ CPUF_3DNOW = 0x40, // K6-2
+ CPUF_3DNOW_EXT = 0x80, // Athlon
+ CPUF_X86_64 = 0xA0, // Hammer (note: equiv. to 3DNow + SSE2, which only Hammer
+ // will have anyway)
+};
+#define MAX_INT 0x7fffffff
+#define MIN_INT 0x80000000
+
+
+class ConvertAudio : public GenericVideoFilter
+/**
+ * Helper class to convert audio to any format
+ **/
+{
+public:
+ ConvertAudio(PClip _clip, int prefered_format);
+ void __stdcall GetAudio(void* buf, __int64 start, __int64 count, IScriptEnvironment* env);
+
+ static PClip Create(PClip clip, int sample_type, int prefered_type);
+ static AVSValue __cdecl Create_float(AVSValue args, void*, IScriptEnvironment*);
+ static AVSValue __cdecl Create_32bit(AVSValue args, void*, IScriptEnvironment*);
+ static AVSValue __cdecl Create_16bit(AVSValue args, void*, IScriptEnvironment*);
+ static AVSValue __cdecl Create_8bit(AVSValue args, void*, IScriptEnvironment*);
+ virtual ~ConvertAudio()
+ {if (tempbuffer_size) {delete[] tempbuffer;tempbuffer_size=0;}}
+private:
+void ConvertAudio::convertToFloat(char* inbuf, float* outbuf, char sample_type, int count);
+void ConvertAudio::convertFromFloat(float* inbuf, void* outbuf, char sample_type, int count);
+
+ __inline int Saturate_int8(float n);
+ __inline short Saturate_int16(float n);
+ __inline int Saturate_int24(float n);
+ __inline int Saturate_int32(float n);
+
+ char src_format;
+ char dst_format;
+ int src_bps;
+ char *tempbuffer;
+ SFLOAT *floatbuffer;
+ int tempbuffer_size;
+};
+
+class AlignPlanar : public GenericVideoFilter {
+public:
+ AlignPlanar(PClip _clip);
+ static PClip Create(PClip clip);
+ PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* env);
+};
+
+class FillBorder : public GenericVideoFilter {
+public:
+ FillBorder(PClip _clip);
+ static PClip Create(PClip clip);
+ PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* env);
+};
+
+class IScriptEnvironment {
+public:
+ virtual __stdcall ~IScriptEnvironment() {}
+
+ virtual /*static*/ long __stdcall GetCPUFlags() = 0;
+
+ virtual char* __stdcall SaveString(const char* s, int length = -1) = 0;
+ virtual char* __stdcall Sprintf(const char* fmt, ...) = 0;
+ // note: val is really a va_list; I hope everyone typedefs va_list to a pointer
+ virtual char* __stdcall VSprintf(const char* fmt, void* val) = 0;
+
+ __declspec(noreturn) virtual void __stdcall ThrowError(const char* fmt, ...) = 0;
+
+ class NotFound /*exception*/ {}; // thrown by Invoke and GetVar
+
+ typedef AVSValue (__cdecl *ApplyFunc)(AVSValue args, void* user_data, IScriptEnvironment* env);
+
+ virtual void __stdcall AddFunction(const char* name, const char* params, ApplyFunc apply, void* user_data) = 0;
+ virtual bool __stdcall FunctionExists(const char* name) = 0;
+ virtual AVSValue __stdcall Invoke(const char* name, const AVSValue args, const char** arg_names=0) = 0;
+
+ virtual AVSValue __stdcall GetVar(const char* name) = 0;
+ virtual bool __stdcall SetVar(const char* name, const AVSValue& val) = 0;
+ virtual bool __stdcall SetGlobalVar(const char* name, const AVSValue& val) = 0;
+
+ virtual void __stdcall PushContext(int level=0) = 0;
+ virtual void __stdcall PopContext() = 0;
+
+ // align should be 4 or 8
+ virtual PVideoFrame __stdcall NewVideoFrame(const VideoInfo& vi, int align=FRAME_ALIGN) = 0;
+
+ virtual bool __stdcall MakeWritable(PVideoFrame* pvf) = 0;
+
+ virtual /*static*/ void __stdcall BitBlt(BYTE* dstp, int dst_pitch, const BYTE* srcp, int src_pitch, int row_size, int height) = 0;
+
+ typedef void (__cdecl *ShutdownFunc)(void* user_data, IScriptEnvironment* env);
+ virtual void __stdcall AtExit(ShutdownFunc function, void* user_data) = 0;
+
+ virtual void __stdcall CheckVersion(int version = AVISYNTH_INTERFACE_VERSION) = 0;
+
+ virtual PVideoFrame __stdcall Subframe(PVideoFrame src, int rel_offset, int new_pitch, int new_row_size, int new_height) = 0;
+
+ virtual int __stdcall SetMemoryMax(int mem) = 0;
+
+ virtual int __stdcall SetWorkingDir(const char * newdir) = 0;
+
+};
+
+
+// avisynth.dll exports this; it's a way to use it as a library, without
+// writing an AVS script or without going through AVIFile.
+IScriptEnvironment* __stdcall CreateScriptEnvironment(int version = AVISYNTH_INTERFACE_VERSION);
+
+
+#pragma pack(pop)
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