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commit 58b91b5b1979666c6c4d84b2c8ae24b65073e577 0 parents
@stg authored
662 avisynth.h
@@ -0,0 +1,662 @@
+// Avisynth C Interface Version 0.20
+// Copyright 2003 Kevin Atkinson
+
+// 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 .
+//
+// As a special exception, I give you permission to link to the
+// Avisynth C interface with independent modules that communicate with
+// the Avisynth C interface solely through the interfaces defined in
+// avisynth_c.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 the Avisynth C interface and Avisynth itself (with the version
+// 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 C Interface, such as 3rd-party filters, import and
+// export plugins, or graphical user interfaces.
+
+#ifndef __AVISYNTH_C__
+#define __AVISYNTH_C__
+
+#ifdef __cplusplus
+# define EXTERN_C extern "C"
+#else
+# define EXTERN_C
+#endif
+
+#define AVSC_USE_STDCALL 1
+
+#ifndef AVSC_USE_STDCALL
+# define AVSC_CC __cdecl
+#else
+# 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
+#else
+# define AVSC_API(ret) EXTERN_C __declspec(dllimport) ret AVSC_CC
+#endif
+
+typedef unsigned char BYTE;
+#ifdef __GNUC__
+typedef long long int INT64;
+#else
+typedef __int64 INT64;
+#endif
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// Constants
+//
+
+#ifndef __AVISYNTH_H__
+enum { AVISYNTH_INTERFACE_VERSION = 2 };
+#endif
+
+enum {AVS_SAMPLE_INT8 = 1<<0,
+ AVS_SAMPLE_INT16 = 1<<1,
+ AVS_SAMPLE_INT24 = 1<<2,
+ AVS_SAMPLE_INT32 = 1<<3,
+ AVS_SAMPLE_FLOAT = 1<<4};
+
+enum {AVS_PLANAR_Y=1<<0,
+ AVS_PLANAR_U=1<<1,
+ AVS_PLANAR_V=1<<2,
+ 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};
+
+ // Colorspace properties.
+enum {AVS_CS_BGR = 1<<28,
+ AVS_CS_YUV = 1<<29,
+ AVS_CS_INTERLEAVED = 1<<30,
+ AVS_CS_PLANAR = 1<<31};
+
+ // Specific colorformats
+enum {
+ AVS_CS_UNKNOWN = 0,
+ 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
+};
+
+enum {
+ AVS_IT_BFF = 1<<0,
+ AVS_IT_TFF = 1<<1,
+ AVS_IT_FIELDBASED = 1<<2};
+
+enum {
+ AVS_FILTER_TYPE=1,
+ AVS_FILTER_INPUT_COLORSPACE=2,
+ AVS_FILTER_OUTPUT_TYPE=9,
+ AVS_FILTER_NAME=4,
+ AVS_FILTER_AUTHOR=5,
+ AVS_FILTER_VERSION=6,
+ AVS_FILTER_ARGS=7,
+ AVS_FILTER_ARGS_INFO=8,
+ AVS_FILTER_ARGS_DESCRIPTION=10,
+ AVS_FILTER_DESCRIPTION=11};
+
+enum { //SUBTYPES
+ AVS_FILTER_TYPE_AUDIO=1,
+ AVS_FILTER_TYPE_VIDEO=2,
+ AVS_FILTER_OUTPUT_TYPE_SAME=3,
+ AVS_FILTER_OUTPUT_TYPE_DIFFERENT=4};
+
+enum {
+ AVS_CACHE_NOTHING=0,
+ AVS_CACHE_RANGE=1 };
+
+#define AVS_FRAME_ALIGN 16
+
+typedef struct AVS_Clip AVS_Clip;
+typedef struct AVS_ScriptEnvironment AVS_ScriptEnvironment;
+
+/////////////////////////////////////////////////////////////////////
+//
+// AVS_VideoInfo
+//
+
+// AVS_VideoInfo is layed out identicly to VideoInfo
+typedef struct AVS_VideoInfo {
+ int width, height; // width=0 means no video
+ unsigned fps_numerator, fps_denominator;
+ int num_frames;
+
+ int pixel_type;
+
+ int audio_samples_per_second; // 0 means no audio
+ int sample_type;
+ INT64 num_audio_samples;
+ int nchannels;
+
+ // Imagetype properties
+
+ int image_type;
+} AVS_VideoInfo;
+
+// useful functions of the above
+AVSC_INLINE int avs_has_video(const AVS_VideoInfo * p)
+ { return (p->width!=0); }
+
+AVSC_INLINE int avs_has_audio(const AVS_VideoInfo * p)
+ { return (p->audio_samples_per_second!=0); }
+
+AVSC_INLINE int avs_is_rgb(const AVS_VideoInfo * p)
+ { return (p->pixel_type&AVS_CS_BGR); }
+
+AVSC_INLINE int avs_is_rgb24(const AVS_VideoInfo * p)
+ { return (p->pixel_type&AVS_CS_BGR24)==AVS_CS_BGR24; } // Clear out additional properties
+
+AVSC_INLINE int avs_is_rgb32(const AVS_VideoInfo * p)
+ { return (p->pixel_type & AVS_CS_BGR32) == AVS_CS_BGR32 ; }
+
+AVSC_INLINE int avs_is_yuy(const AVS_VideoInfo * p)
+ { return (p->pixel_type&AVS_CS_YUV ); }
+
+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_yv12(const AVS_VideoInfo * p)
+ { return ((p->pixel_type & AVS_CS_YV12) == AVS_CS_YV12)||((p->pixel_type & AVS_CS_I420) == AVS_CS_I420); }
+
+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_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_field_based(const AVS_VideoInfo * p)
+ { return (p->image_type & AVS_IT_FIELDBASED); }
+
+AVSC_INLINE int avs_is_parity_known(const AVS_VideoInfo * p)
+ { return ((p->image_type & AVS_IT_FIELDBASED)&&(p->image_type & (AVS_IT_BFF||AVS_IT_TFF))); }
+
+AVSC_INLINE int avs_is_bff(const AVS_VideoInfo * p)
+ { return (p->image_type & AVS_IT_BFF); }
+
+AVSC_INLINE int avs_is_tff(const AVS_VideoInfo * p)
+ { return (p->image_type & AVS_IT_TFF); }
+
+AVSC_INLINE int avs_bits_per_pixel(const AVS_VideoInfo * p)
+{
+ switch (p->pixel_type) {
+ case AVS_CS_BGR24: return 24;
+ case AVS_CS_BGR32: return 32;
+ case AVS_CS_YUY2: return 16;
+ case AVS_CS_YV12:
+ case AVS_CS_I420: return 12;
+ default: return 0;
+ }
+}
+AVSC_INLINE int avs_bytes_from_pixels(const AVS_VideoInfo * p, int pixels)
+ { return pixels * (avs_bits_per_pixel(p)>>3); } // Will work on planar images, but will return only luma planes
+
+AVSC_INLINE int avs_row_size(const AVS_VideoInfo * p)
+ { return avs_bytes_from_pixels(p,p->width); } // Also only returns first plane on planar images
+
+AVSC_INLINE int avs_bmp_size(const AVS_VideoInfo * vi)
+ { if (avs_is_planar(vi)) {int p = vi->height * ((avs_row_size(vi)+3) & ~3); p+=p>>1; return p; } return vi->height * ((avs_row_size(vi)+3) & ~3); }
+
+AVSC_INLINE int avs_samples_per_second(const AVS_VideoInfo * p)
+ { return p->audio_samples_per_second; }
+
+
+AVSC_INLINE int avs_bytes_per_channel_sample(const AVS_VideoInfo * p)
+{
+ switch (p->sample_type) {
+ case AVS_SAMPLE_INT8: return sizeof(signed char);
+ case AVS_SAMPLE_INT16: return sizeof(signed short);
+ case AVS_SAMPLE_INT24: return 3;
+ case AVS_SAMPLE_INT32: return sizeof(signed int);
+ case AVS_SAMPLE_FLOAT: return sizeof(float);
+ default: return 0;
+ }
+}
+AVSC_INLINE int avs_bytes_per_audio_sample(const AVS_VideoInfo * p)
+ { return p->nchannels*avs_bytes_per_channel_sample(p);}
+
+AVSC_INLINE INT64 avs_audio_samples_from_frames(const AVS_VideoInfo * p, INT64 frames)
+ { return ((INT64)(frames) * p->audio_samples_per_second * p->fps_denominator / p->fps_numerator); }
+
+AVSC_INLINE int avs_frames_from_audio_samples(const AVS_VideoInfo * p, INT64 samples)
+ { return (int)(samples * (INT64)p->fps_numerator / (INT64)p->fps_denominator / (INT64)p->audio_samples_per_second); }
+
+AVSC_INLINE INT64 avs_audio_samples_from_bytes(const AVS_VideoInfo * p, INT64 bytes)
+ { return bytes / avs_bytes_per_audio_sample(p); }
+
+AVSC_INLINE INT64 avs_bytes_from_audio_samples(const AVS_VideoInfo * p, INT64 samples)
+ { return samples * avs_bytes_per_audio_sample(p); }
+
+AVSC_INLINE int avs_audio_channels(const AVS_VideoInfo * p)
+ { return p->nchannels; }
+
+AVSC_INLINE int avs_sample_type(const AVS_VideoInfo * p)
+ { return p->sample_type;}
+
+// useful mutator
+AVSC_INLINE void avs_set_property(AVS_VideoInfo * p, int property)
+ { p->image_type|=property; }
+
+AVSC_INLINE void avs_clear_property(AVS_VideoInfo * p, int property)
+ { p->image_type&=~property; }
+
+AVSC_INLINE void avs_set_field_based(AVS_VideoInfo * p, int isfieldbased)
+ { if (isfieldbased) p->image_type|=AVS_IT_FIELDBASED; else p->image_type&=~AVS_IT_FIELDBASED; }
+
+AVSC_INLINE void avs_set_fps(AVS_VideoInfo * p, unsigned numerator, unsigned denominator)
+{
+ unsigned x=numerator, y=denominator;
+ while (y) { // find gcd
+ unsigned t = x%y; x = y; y = t;
+ }
+ p->fps_numerator = numerator/x;
+ p->fps_denominator = denominator/x;
+}
+
+AVSC_INLINE int avs_is_same_colorspace(AVS_VideoInfo * x, AVS_VideoInfo * y)
+{
+ return (x->pixel_type == y->pixel_type)
+ || (avs_is_yv12(x) && avs_is_yv12(y));
+}
+
+/////////////////////////////////////////////////////////////////////
+//
+// AVS_VideoFrame
+//
+
+// 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.
+
+// AVS_VideoFrameBuffer is layed out identicly to VideoFrameBuffer
+// DO NOT USE THIS STRUCTURE DIRECTLY
+typedef struct AVS_VideoFrameBuffer {
+ BYTE * data;
+ 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;
+
+ 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;
+ AVS_VideoFrameBuffer * vfb;
+ int offset, pitch, row_size, height, offsetU, offsetV, pitchUV; // U&V offsets are from top of picture.
+} AVS_VideoFrame;
+
+// Access functions for AVS_VideoFrame
+AVSC_INLINE int avs_get_pitch(const AVS_VideoFrame * p) {
+ return p->pitch;}
+
+AVSC_INLINE int avs_get_pitch_p(const AVS_VideoFrame * p, int plane) {
+ switch (plane) {
+ case AVS_PLANAR_U: case AVS_PLANAR_V: return p->pitchUV;}
+ return p->pitch;}
+
+AVSC_INLINE int avs_get_row_size(const AVS_VideoFrame * p) {
+ return p->row_size; }
+
+AVSC_INLINE int avs_get_row_size_p(const AVS_VideoFrame * p, int plane) {
+ int r;
+ switch (plane) {
+ case AVS_PLANAR_U: case AVS_PLANAR_V:
+ if (p->pitchUV) return p->row_size>>1;
+ 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
+ if (r < p->pitchUV)
+ return r;
+ return p->row_size>>1;
+ } else return 0;
+ case AVS_PLANAR_Y_ALIGNED:
+ r = (p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)); // Aligned rowsize
+ if (r <= p->pitch)
+ return r;
+ return p->row_size;
+ }
+ return p->row_size;
+}
+
+AVSC_INLINE int avs_get_height(const AVS_VideoFrame * p) {
+ return p->height;}
+
+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;
+ return 0;
+ }
+ return p->height;}
+
+AVSC_INLINE const BYTE* avs_get_read_ptr(const AVS_VideoFrame * p) {
+ return p->vfb->data + p->offset;}
+
+AVSC_INLINE const BYTE* avs_get_read_ptr_p(const AVS_VideoFrame * p, int plane)
+{
+ switch (plane) {
+ case AVS_PLANAR_U: return p->vfb->data + p->offsetU;
+ case AVS_PLANAR_V: return p->vfb->data + p->offsetV;
+ default: return p->vfb->data + p->offset;}
+}
+
+AVSC_INLINE int avs_is_writable(const AVS_VideoFrame * p) {
+ return (p->refcount == 1 && p->vfb->refcount == 1);}
+
+AVSC_INLINE BYTE* avs_get_write_ptr(const AVS_VideoFrame * p)
+{
+ if (avs_is_writable(p)) {
+ ++p->vfb->sequence_number;
+ return p->vfb->data + p->offset;
+ } else
+ return 0;
+}
+
+AVSC_INLINE BYTE* avs_get_write_ptr_p(const AVS_VideoFrame * p, int plane)
+{
+ if (plane==AVS_PLANAR_Y && avs_is_writable(p)) {
+ ++p->vfb->sequence_number;
+ return p->vfb->data + p->offset;
+ } else if (plane==AVS_PLANAR_Y) {
+ return 0;
+ } else {
+ switch (plane) {
+ case AVS_PLANAR_U: return p->vfb->data + p->offsetU;
+ case AVS_PLANAR_V: return p->vfb->data + p->offsetV;
+ default: return p->vfb->data + p->offset;
+ }
+ }
+}
+
+
+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_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);}
+
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// AVS_Value
+//
+
+// Treat AVS_Value as a fat pointer. That is use avs_copy_value
+// and avs_release_value appropiaty as you would if AVS_Value was
+// a pointer.
+
+// To maintain source code compatibility with future versions of the
+// avisynth_c API don't use the AVS_Value directly. Use the helper
+// functions below.
+
+// AVS_Value is layed out identicly to AVSValue
+typedef struct AVS_Value AVS_Value;
+struct AVS_Value {
+ short type; // 'a'rray, 'c'lip, 'b'ool, 'i'nt, 'f'loat, 's'tring, 'v'oid, or 'l'ong
+ // for some function e'rror
+ short array_size;
+ union {
+ void * clip; // do not use directly, use avs_take_clip
+ char boolean;
+ int integer;
+ float floating_pt;
+ const char * string;
+ const AVS_Value * array;
+ } d;
+};
+
+// AVS_Value should be initilized with avs_void.
+// Should also set to avs_void after the value is released
+// with avs_copy_value. Consider it the equalvent of setting
+// 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_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_bool(AVS_Value v) { return v.type == 'b'; }
+AVSC_INLINE int avs_is_int(AVS_Value v) { return v.type == 'i'; }
+AVSC_INLINE int avs_is_float(AVS_Value v) { return v.type == 'f' || v.type == 'i'; }
+AVSC_INLINE int avs_is_string(AVS_Value v) { return v.type == 's'; }
+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_INLINE int avs_as_bool(AVS_Value v)
+ { return v.d.boolean; }
+AVSC_INLINE int avs_as_int(AVS_Value v)
+ { return v.d.integer; }
+AVSC_INLINE const char * avs_as_string(AVS_Value v)
+ { return avs_is_error(v) || avs_is_string(v) ? v.d.string : 0; }
+AVSC_INLINE double avs_as_float(AVS_Value v)
+ { return avs_is_int(v) ? v.d.integer : v.d.floating_pt; }
+AVSC_INLINE const char * avs_as_error(AVS_Value v)
+ { return avs_is_error(v) ? v.d.string : 0; }
+AVSC_INLINE const AVS_Value * avs_as_array(AVS_Value v)
+ { return v.d.array; }
+AVSC_INLINE int avs_array_size(AVS_Value v)
+ { return avs_is_array(v) ? v.array_size : 1; }
+AVSC_INLINE AVS_Value avs_array_elt(AVS_Value v, int index)
+ { return avs_is_array(v) ? v.d.array[index] : v; }
+
+// only use these functions on am AVS_Value that does not already have
+// an active value. Remember, treat AVS_Value as a fat pointer.
+AVSC_INLINE AVS_Value avs_new_value_bool(int v0)
+ { AVS_Value v; v.type = 'b'; v.d.boolean = v0 == 0 ? 0 : 1; return v; }
+AVSC_INLINE AVS_Value avs_new_value_int(int v0)
+ { AVS_Value v; v.type = 'i'; v.d.integer = v0; return v; }
+AVSC_INLINE AVS_Value avs_new_value_string(const char * v0)
+ { AVS_Value v; v.type = 's'; v.d.string = v0; return v; }
+AVSC_INLINE AVS_Value avs_new_value_float(float v0)
+ { 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; }
+AVSC_INLINE AVS_Value avs_new_value_clip(AVS_Clip * v0)
+ { AVS_Value v; avs_set_to_clip(&v, v0); return v; }
+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(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(int) avs_get_version(AVS_Clip *);
+
+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);
+// 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);
+// start and count are in samples
+
+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_ScriptEnvironment *, AVS_Value args, void * user_data);
+
+typedef struct AVS_FilterInfo AVS_FilterInfo;
+struct AVS_FilterInfo
+{
+ // these members should not be modified outside of the AVS_ApplyFunc callback
+ AVS_Clip * child;
+ AVS_VideoInfo vi;
+ AVS_ScriptEnvironment * env;
+ 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);
+ int (AVSC_CC * set_cache_hints)(AVS_FilterInfo *, int cachehints,
+ int frame_range);
+ void (AVSC_CC * free_filter)(AVS_FilterInfo *);
+
+ // Should be set when ever there is an error to report.
+ // It is cleared before any of the above methods are called
+ const char * error;
+ // this is to store whatever and may be modified at will
+ void * user_data;
+};
+
+// Create a new filter
+// fi is set to point to the AVS_FilterInfo so that you can
+// modify it once it is initilized.
+// store_child should generally be set to true. If it is not
+// 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);
+
+/////////////////////////////////////////////////////////////////////
+//
+// AVS_ScriptEnvironment
+//
+
+// For GetCPUFlags. These are backwards-compatible with those in VirtualDub.
+enum {
+ /* slowest CPU to support extension */
+ AVS_CPU_FORCE = 0x01, // N/A
+ AVS_CPU_FPU = 0x02, // 386/486DX
+ AVS_CPU_MMX = 0x04, // P55C, K6, PII
+ AVS_CPU_INTEGER_SSE = 0x08, // PIII, Athlon
+ AVS_CPU_SSE = 0x10, // PIII, Athlon XP/MP
+ AVS_CPU_SSE2 = 0x20, // PIV, Hammer
+ AVS_CPU_3DNOW = 0x40, // K6-2
+ AVS_CPU_3DNOW_EXT = 0x80, // Athlon
+ AVS_CPU_X86_64 = 0xA0, // Hammer (note: equiv. to 3DNow + SSE2,
+ // which only Hammer will have anyway)
+ AVS_CPU_SSE3 = 0x100, // PIV+, Hammer
+};
+
+
+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_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_function_exists(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);
+// 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_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 *,
+ const AVS_VideoInfo * vi, int align);
+// align should be at least 16
+
+AVSC_INLINE
+AVS_VideoFrame * avs_new_video_frame(AVS_ScriptEnvironment * env,
+ const AVS_VideoInfo * vi)
+ {return avs_new_video_frame_a(env,vi,AVS_FRAME_ALIGN);}
+
+AVSC_INLINE
+AVS_VideoFrame * avs_new_frame(AVS_ScriptEnvironment * env,
+ const AVS_VideoInfo * vi)
+ {return avs_new_video_frame_a(env,vi,AVS_FRAME_ALIGN);}
+
+
+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);
+
+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(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_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);
+
+// this symbol is the entry point for the plugin and must
+// be defined
+AVSC_EXPORT
+const char * AVSC_CC avisynth_c_plugin_init(AVS_ScriptEnvironment* env);
+
+
+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);
+// The returned video frame must be be released
+
+#endif
BIN  avisynth.lib
Binary file not shown
14 makefile
@@ -0,0 +1,14 @@
+
+CC=gcc -O3 -Wall -Winline -march=pentium2
+RC=windres -O coff
+
+petsend.dll: petsend.o petsend.res
+ ${CC} -shared petsend.o petsend.res avisynth.lib wsock32.lib -o petsend.dll
+ strip petsend.dll
+
+petsend.o: petsend.c
+ ${CC} -c petsend.c
+
+petsend.res: petsend.rc
+ ${RC} -i petsend.rc -o petsend.res
+
240 petsend.c
@@ -0,0 +1,240 @@
+#include <math.h>
+#include "avisynth.h"
+#include "stdlib.h"
+#include "memory.h"
+#include "winsock2.h"
+
+#define DEFAULT_PORT 17366
+//#define BIND_TO_PORT 17366
+
+typedef struct {
+ AVS_FilterInfo *fi;
+ WSADATA *wsaData;
+ SOCKADDR_IN *target_addr;
+#ifdef BIND_TO_PORT
+ SOCKADDR_IN *local_addr;
+#endif
+ SOCKET socket_handle;
+} sender_data;
+
+// Destroys any objects created in create_sender
+
+void AVSC_CC destroy_sender ( AVS_FilterInfo * fi ) {
+ sender_data *f = ( sender_data* )fi->user_data;
+
+ if( f->socket_handle != INVALID_SOCKET ) {
+ closesocket( f->socket_handle );
+ }
+
+ free( f->wsaData );
+ free( f->target_addr );
+#ifdef BIND_TO_PORT
+ free( f->local_addr );
+#endif
+ free( f );
+
+ WSACleanup();
+
+ fi->user_data = 0;
+
+
+}
+
+// Applies colour curve to colour triplet
+
+void curve( float *r, float *g, float *b ) {
+ *r *= *r;
+ *g *= *g;
+ *b *= *b;
+}
+
+// Applies dithering to colour triplet
+
+void dither( float *r, float *g, float *b, unsigned char *rr, unsigned char *gg, unsigned char *bb ) {
+ *r *= 255;
+ *g *= 255;
+ *b *= 255;
+ *rr = ( ( unsigned char )floor( *r ) ) & 0xFC ;
+ if( ( ( *r - ( float )*rr ) / 4.0 ) > ( ( float )rand() / ( float )RAND_MAX ) ) *rr = ( *rr < 252 ? *rr + 4 : 255 );
+ *gg = ( ( unsigned char )floor( *g ) ) & 0xFC ;
+ if( ( ( *g - ( float )*gg ) / 4.0 ) > ( ( float )rand() / ( float )RAND_MAX ) ) *gg = ( *gg < 252 ? *gg + 4 : 255 );
+ *bb = ( ( unsigned char )floor( *b ) ) & 0xFC ;
+ if( ( ( *b - ( float )*bb ) / 4.0 ) > ( ( float )rand() / ( float )RAND_MAX ) ) *bb = ( *bb < 252 ? *bb + 4 : 255 );
+}
+
+// Temporary test function, returns a modified frame
+
+AVS_VideoFrame * AVSC_CC sender( AVS_FilterInfo * p, int n ) {
+ AVS_VideoFrame * frame;
+ int row_size, height, pitch;
+ BYTE * data;
+ int y, x;
+ float r,g,b;
+ unsigned char pkt[ 1024 ] = "sync", *ppkt = pkt;
+
+ sender_data *f = ( sender_data* )p->user_data;
+
+ sendto( f->socket_handle, pkt, 4, 0, ( SOCKADDR* )f->target_addr, sizeof( SOCKADDR_IN ) );
+
+ frame = avs_get_frame( p->child, n );
+ avs_make_writable( p->env, &frame );
+ row_size = avs_get_row_size( frame );
+ height = avs_get_height( frame );
+ pitch = avs_get_pitch( frame );
+ data = avs_get_write_ptr( frame );
+
+ for (y = 0; y != height; ++y) {
+ for (x = 0; x < row_size; x += 3 ) {
+ r = ( ( float )data[ x + 0 ] ) / 255;
+ g = ( ( float )data[ x + 1 ] ) / 255;
+ b = ( ( float )data[ x + 2 ] ) / 255;
+ curve( &r, &g, &b );
+ dither( &r, &g, &b, &data[ x + 0 ], &data[ x + 1 ], &data[ x + 2 ] );
+ *ppkt++ = data[ x + 0 ];
+ *ppkt++ = data[ x + 1 ];
+ *ppkt++ = data[ x + 2 ];
+ *ppkt++ = data[ x + 2 ];
+ if( ppkt == &pkt[ 1024 ] ) {
+ sendto( f->socket_handle, pkt, 1024, 0, ( SOCKADDR* )f->target_addr, sizeof( SOCKADDR_IN ) );
+ ppkt = pkt;
+ }
+ }
+ data += pitch;
+ }
+ return frame;
+}
+
+
+// Decrunches an IP[:port] string into an SOCKADDR_IN struct
+
+static int set_addr( SOCKADDR_IN *sa, const char *addr ) {
+ const char *a = addr;
+ unsigned char net = 0, sub = 0, ip[ 4 ];
+ unsigned short port = 0;
+ memset( sa, 0, sizeof( SOCKADDR_IN ) );
+ sa->sin_family = AF_INET;
+ do {
+
+ if( *a == '.' || *a == ':' || *a == 0 ) {
+ ip[ sub ] = net;
+ net = 0;
+ if( *a == '.' && sub == 3 ) return 0;
+ if( ( *a == ':' || *a == 0 ) && sub != 3 ) return 0;
+ if( *a == ':' ) {
+ sa->sin_addr.s_addr = *( ( int* )ip );
+ a++;
+ while( *a != 0 ) {
+ if( *a < '0' || *a > '9' ) return 0;
+ if( port > 6553 ) return 0;
+ port *= 10;
+ if( 65535 - port < *a - '0' ) return 0;
+ port += *a - '0';
+ a++;
+ }
+ if( port == 0 ) return 0;
+ sa->sin_port = htons( port );
+ return 1;
+ } else if( *a == 0 ) {
+ sa->sin_addr.s_addr = *( ( int* )ip );
+ sa->sin_port = htons( DEFAULT_PORT );
+ return 1;
+ }
+ sub++;
+ } else {
+ if( *a < '0' || *a > '9' ) return 0;
+ if( net > 25 ) return 0;
+ net *= 10;
+ if( 255 - net < *a - '0' ) return 0;
+ net += *a - '0';
+ }
+ } while( *a++ != 0 );
+ return 0;
+}
+
+// Creates filter instance
+
+AVS_Value AVSC_CC create_sender( AVS_ScriptEnvironment * env, AVS_Value args, void * user_data ) {
+ AVS_Value v, tmp;
+ sender_data *f = ( sender_data* )malloc( sizeof( sender_data ) );
+ AVS_Clip * new_clip = avs_new_c_filter( env, &f->fi, avs_array_elt( args, 0 ), 1 );
+
+ f->fi->user_data = f;
+
+ f->wsaData = ( WSADATA* )malloc( sizeof( WSADATA ) );
+ f->target_addr = ( SOCKADDR_IN* )malloc( sizeof( SOCKADDR_IN ) );
+#ifdef BIND_TO_PORT
+ f->local_addr = ( SOCKADDR_IN* )malloc( sizeof( SOCKADDR_IN ) );
+#endif
+ f->socket_handle = INVALID_SOCKET;
+
+ if( WSAStartup( MAKEWORD( 2, 2 ), f->wsaData ) != 0 ) {
+
+ v = avs_new_value_error( "WSAStartup failed" );
+
+ } else {
+
+ f->socket_handle = socket( PF_INET, SOCK_DGRAM, 0 );
+
+ if( f->socket_handle == INVALID_SOCKET ) {
+
+ v = avs_new_value_error( "Socket failed" );
+
+ } else {
+
+ tmp = avs_array_elt( args, 1 ); // IP:port
+ if( ( !avs_defined( tmp ) ) || !avs_is_string( tmp ) ) {
+
+ v = avs_new_value_error( "Argument addr must not be ommited" );
+
+ } else {
+
+ if( !set_addr( f->target_addr, avs_as_string( tmp ) ) ) {
+
+ v = avs_new_value_error( "Invalid argument: addr - ip.ip.ip.ip[:port]" );
+
+ } else {
+
+#ifdef BIND_TO_PORT
+ memset( f->local_addr, 0, sizeof( SOCKADDR_IN ) );
+ f->local_addr->sin_family = AF_INET;
+ f->local_addr->sin_addr.s_addr = htonl( INADDR_ANY );
+ f->local_addr->sin_port = htons( BIND_TO_PORT );
+
+ if( bind( f->socket_handle, ( SOCKADDR* ) f->local_addr, sizeof( SOCKADDR_IN ) ) == SOCKET_ERROR ) {
+
+ v = avs_new_value_error( "Bind failed" );
+
+ } else {
+#endif
+ if( avs_is_rgb24( &f->fi->vi ) && avs_row_size( &f->fi->vi ) == 192 && avs_bmp_size( &f->fi->vi ) == 9216 ) {
+
+ // Set get_frame if all is OK
+ f->fi->get_frame = sender;
+ v = avs_new_value_clip( new_clip );
+
+ } else {
+
+ v = avs_new_value_error( "Video must be RGB24, 64x48 pixels" );
+
+ }
+
+#ifdef BIND_TO_PORT
+ }
+#endif
+ }
+
+ }
+ }
+ }
+
+ avs_release_clip(new_clip);
+ f->fi->free_filter = destroy_sender;
+ return v;
+}
+
+// Initializes plugin, adds available functions
+
+const char * AVSC_CC avisynth_c_plugin_init (AVS_ScriptEnvironment * env) {
+ avs_add_function( env, "send_frame", "c[addr]s", create_sender, 0 );
+ return "PET-GCM Video Stream Source";
+}
36 petsend.rc
@@ -0,0 +1,36 @@
+1 VERSIONINFO
+ FILEVERSION 1,7,0,0
+ PRODUCTVERSION 2,5,0,0
+ FILEFLAGSMASK 0x3fL
+#ifdef _DEBUG
+ FILEFLAGS 0x1L
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS 0x40004L
+ FILETYPE 0x2L
+ FILESUBTYPE 0x0L
+BEGIN
+ BLOCK "StringFileInfo"
+ BEGIN
+ BLOCK "040904b0"
+ BEGIN
+ VALUE "Comments", "Port of YADIF (Yet Another DeInterlacing Filter) from MPlayer http://www.mplayerhq.hu (C)2006 Michael Niedermayer <michaelni@gmx.at>\0"
+ VALUE "CompanyName", "A.G.Balakhnin aka Fizick, bag@hotmail.ru, http://avisynth.org.ru\0"
+ VALUE "FileDescription", "Yadif c-plugin for Avisynth v2.5\0"
+ VALUE "FileVersion", "1, 7, 0, 0\0"
+ VALUE "InternalName", "yadif\0"
+ VALUE "LegalCopyright", "Copyright � 2007-2009, A.G.Balakhnin aka Fizick under GNU GPL v.2\0"
+ VALUE "LegalTrademarks", "\0"
+ VALUE "OriginalFilename", "yadif.dll\0"
+ VALUE "PrivateBuild", "\0"
+ VALUE "ProductName", "yadif\0"
+ VALUE "ProductVersion", "2, 5, 0, 0\0"
+ VALUE "SpecialBuild", "\0"
+ END
+ END
+ BLOCK "VarFileInfo"
+ BEGIN
+ VALUE "Translation", 0x409, 1200
+ END
+END
BIN  wsock32.lib
Binary file not shown
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