* filter_transform.c
*
* Copyright (C) Georg Martius - June 2007
- * georg dot martius at web dot de
+ * georg dot martius at web dot de
*
* This file is part of transcode, a video stream processing tool
- *
+ *
* transcode 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, or (at your option)
* any later version.
- *
+ *
* transcode 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 GNU Make; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Typical call:
* transcode -J transform -i inp.mpeg -y xdiv,tcaud inp_stab.avi
#define DEFAULT_TRANS_FILE_NAME "transforms.dat"
#define PIXEL(img, x, y, w, h, def) ((x) < 0 || (y) < 0) ? def \
- : (((x) >=w || (y) >= h) ? def : img[(x) + (y) * w])
-#define PIX(img, x, y, w, h) (img[(x) + (y) * w])
+ : (((x) >=w || (y) >= h) ? def : img[(x) + (y) * w])
+#define PIX(img, x, y, w, h) (img[(x) + (y) * w])
+#define PIXN(img, x, y, w, h,N,channel) (img[((x) + (y) * w)*N+channel])
// gives Pixel in N-channel image. channel in {0..N-1}
#define PIXELN(img, x, y, w, h, N,channel , def) ((x) < 0 || (y) < 0) ? def \
- : (((x) >=w || (y) >= h) ? def : img[((x) + (y) * w)*N + channel])
+ : (((x) >=w || (y) >= h) ? def : img[((x) + (y) * w)*N + channel])
typedef struct {
int framesize_src; // size of frame buffer in bytes (src)
int current_trans; // index to current transformation
int trans_len; // length of trans array
short warned_transform_end; // whether we warned that there is no transform left
-
+
/* Options */
int maxshift; // maximum number of pixels we will shift
double maxangle; // maximum angle in rad
- /* whether to consider transforms as relative (to previous frame)
- * or absolute transforms
+ /* whether to consider transforms as relative (to previous frame)
+ * or absolute transforms
*/
- int relative;
- /* number of frames (forward and backward)
+ int relative;
+ /* number of frames (forward and backward)
* to use for smoothing transforms */
- int smoothing;
+ int smoothing;
int crop; // 1: black bg, 0: keep border from last frame(s)
int invert; // 1: invert transforms, 0: nothing
/* constants */
/* threshhold below which no rotation is performed */
- double rotation_threshhold;
+ double rotation_threshhold;
double zoom; // percentage to zoom: 0->no zooming 10:zoom in 10%
int optzoom; // 1: determine optimal zoom, 0: nothing
int interpoltype; // type of interpolation: 0->Zero,1->Lin,2->BiLin,3->Sqr
double sharpen; // amount of sharpening
- char input[0124];
- FILE* f;
-
char conf_str[1024];
} TransformData;
/* forward declarations, please look below for documentation*/
-void interpolateBiLinBorder(unsigned char *rv, float x, float y,
- unsigned char* img, int w, int h, unsigned char def);
-void interpolateBiCub(unsigned char *rv, float x, float y,
- unsigned char* img, int width, int height, unsigned char def);
-void interpolateSqr(unsigned char *rv, float x, float y,
- unsigned char* img, int w, int h, unsigned char def);
-void interpolateBiLin(unsigned char *rv, float x, float y,
- unsigned char* img, int w, int h, unsigned char def);
-void interpolateLin(unsigned char *rv, float x, float y,
- unsigned char* img, int w, int h, unsigned char def);
-void interpolateZero(unsigned char *rv, float x, float y,
- unsigned char* img, int w, int h, unsigned char def);
-void interpolateN(unsigned char *rv, float x, float y,
- unsigned char* img, int width, int height,
+void interpolateBiLinBorder(unsigned char *rv, float x, float y,
+ unsigned char* img, int w, int h, unsigned char def,unsigned char N, unsigned char channel);
+void interpolateBiCub(unsigned char *rv, float x, float y,
+ unsigned char* img, int width, int height, unsigned char def,unsigned char N, unsigned char channel);
+void interpolateSqr(unsigned char *rv, float x, float y,
+ unsigned char* img, int w, int h, unsigned char def,unsigned char N, unsigned char channel);
+void interpolateBiLin(unsigned char *rv, float x, float y,
+ unsigned char* img, int w, int h, unsigned char def,unsigned char N, unsigned char channel);
+void interpolateLin(unsigned char *rv, float x, float y,
+ unsigned char* img, int w, int h, unsigned char def,unsigned char N, unsigned char channel);
+void interpolateZero(unsigned char *rv, float x, float y,
+ unsigned char* img, int w, int h, unsigned char def,unsigned char N, unsigned char channel);
+void interpolateN(unsigned char *rv, float x, float y,
+ unsigned char* img, int width, int height,
unsigned char N, unsigned char channel, unsigned char def);
int transformRGB(TransformData* td);
int transformYUV(TransformData* td);
int preprocess_transforms(TransformData* td);
-/**
+/**
* interpolate: general interpolation function pointer for one channel image data
*
* Parameters:
* rv: destination pixel (call by reference)
- * x,y: the source coordinates in the image img. Note this
+ * x,y: the source coordinates in the image img. Note this
* are real-value coordinates, that's why we interpolate
* img: source image
* width,height: dimension of image
* def: default value if coordinates are out of range
* Return value: None
*/
-/*void (*interpolate)(unsigned char *rv, float x, float y,
- unsigned char* img, int width, int height,
+/*void (*interpolate)(unsigned char *rv, float x, float y,
+ unsigned char* img, int width, int height,
unsigned char def) = 0;
*/
/** interpolateBiLinBorder: bi-linear interpolation function that also works at the border.
This is used by many other interpolation methods at and outsize the border, see interpolate */
int transform_configure(TransformData *self,int width,int height, mlt_image_format pixelformat, unsigned char* image,Transform* tx,int trans_len) ;
-int transform_filter_video(TransformData *self,
+int transform_filter_video(TransformData *self,
unsigned char *frame,mlt_image_format pixelformat);
projects / mlt / blobdiff