* mlt adaption by Marco Gittler marco at gitma dot de 2011
*
* 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 -V -J stabilize=shakiness=5:show=1,preview
+ * transcode -V -J stabilize=shakiness=5:show=1,preview
* -i inp.mpeg -y null,null -o dummy
* all parameters are optional
*/
TC_MODULE_FLAG_RECONFIGURABLE | TC_MODULE_FLAG_DELAY
#define MAX(a,b) ((a < b) ? (b) : (a))
#define MIN(a,b) ((a < b) ? (a) : (b))
-#include "stabilize.h"
+#include "stabilize.h"
#include <stdlib.h>
#include <string.h>
#include <framework/mlt_types.h>
/** initialise measurement fields on the frame.
- The size of the fields and the maxshift is used to
+ The size of the fields and the maxshift is used to
calculate an optimal distribution in the frame.
*/
int initFields(StabData* sd)
// make sure that the remaining rows have the same length
sd->field_num = rows*cols;
sd->field_rows = rows;
- mlt_log_debug (NULL,"field setup: rows: %i cols: %i Total: %i fields",
+ mlt_log_debug (NULL,"field setup: rows: %i cols: %i Total: %i fields",
rows, cols, sd->field_num);
if (!(sd->fields = malloc(sizeof(Field) * sd->field_num))) {
\param d_x shift in x direction
\param d_y shift in y direction
*/
-double compareImg(unsigned char* I1, unsigned char* I2,
+double compareImg(unsigned char* I1, unsigned char* I2,
int width, int height, int bytesPerPixel, int d_x, int d_y)
{
int i, j;
unsigned char* p1 = NULL;
unsigned char* p2 = NULL;
- long int sum = 0;
+ long int sum = 0;
int effectWidth = width - abs(d_x);
int effectHeight = height - abs(d_y);
for (i = 0; i < effectHeight; i++) {
p1 = I1;
p2 = I2;
- if (d_y > 0 ){
+ if (d_y > 0 ){
p1 += (i + d_y) * width * bytesPerPixel;
p2 += i * width * bytesPerPixel;
} else {
p1 += i * width * bytesPerPixel;
p2 += (i - d_y) * width * bytesPerPixel;
}
- if (d_x > 0) {
+ if (d_x > 0) {
p1 += d_x * bytesPerPixel;
} else {
- p2 -= d_x * bytesPerPixel;
+ p2 -= d_x * bytesPerPixel;
}
#ifdef USE_SSE2
__m128i A,B,C,D,E;
for (j = 0; j < effectWidth * bytesPerPixel - 16; j++) {
#else
for (j = 0; j < effectWidth * bytesPerPixel; j++) {
-#endif
+#endif
/* fwrite(p1,1,1,pic1);fwrite(p1,1,1,pic1);fwrite(p1,1,1,pic1);
- fwrite(p2,1,1,pic2);fwrite(p2,1,1,pic2);fwrite(p2,1,1,pic2);
+ fwrite(p2,1,1,pic2);fwrite(p2,1,1,pic2);fwrite(p2,1,1,pic2);
*/
#ifdef USE_SSE2
A= _mm_loadu_si128((__m128i*)p1); //load unaligned data
D = _mm_srli_si128(C, 8); // shift first 64 byte value to align at the same as C
E = _mm_add_epi32(C, D); // add the 2 values (sum of all diffs)
sum+= _mm_cvtsi128_si32(E); //convert _m128i to int
-
+
p1+=16;
- p2+=16;
+ p2+=16;
j+=15;
#else
sum += abs((int)*p1 - (int)*p2);
p1++;
- p2++;
+ p2++;
#endif
}
}
/* fclose(pic1);
- fclose(pic2);
+ fclose(pic2);
*/
return sum/((double) effectWidth * effectHeight * bytesPerPixel);
}
/**
- compares a small part of two given images
+ compares a small part of two given images
and returns the average absolute difference.
- Field center, size and shift have to be choosen,
+ Field center, size and shift have to be choosen,
so that no clipping is required
-
- \param field Field specifies position(center) and size of subimage
+
+ \param field Field specifies position(center) and size of subimage
\param d_x shift in x direction
- \param d_y shift in y direction
+ \param d_y shift in y direction
*/
-double compareSubImg(unsigned char* const I1, unsigned char* const I2,
- const Field* field,
+double compareSubImg(unsigned char* const I1, unsigned char* const I2,
+ const Field* field,
int width, int height, int bytesPerPixel, int d_x, int d_y)
{
int k, j;
// TODO: use some mmx or sse stuff here
#ifdef USE_SSE2
__m128i A,B,C,D,E;
-#endif
+#endif
for (j = 0; j < field->size; j++){
#ifdef USE_SSE2
for (k = 0; k < (field->size * bytesPerPixel) - 16 ; k++) {
D = _mm_srli_si128(C, 8); // shift value 8 byte right
E = _mm_add_epi32(C, D); // add the 2 values (sum of all diffs)
sum+= _mm_cvtsi128_si32(E); //convert _m128i to int
-
+
p1+=16;
- p2+=16;
+ p2+=16;
k+=15;
#else
for (k = 0; k < (field->size * bytesPerPixel); k++) {
sum += abs((int)*p1 - (int)*p2);
p1++;
- p2++;
+ p2++;
#endif
}
p1 += ((width - field->size) * bytesPerPixel);
return contrastSubImg(sd->curr,field,sd->width,sd->height,1);
}
-/**
- \see contrastSubImg three times called with bytesPerPixel=3
- for all channels
+/**
+ \see contrastSubImg three times called with bytesPerPixel=3
+ for all channels
*/
double contrastSubImgRGB(StabData* sd, const Field* field){
unsigned char* const I = sd->curr;
- return ( contrastSubImg(I, field,sd->width,sd->height,3)
+ return ( contrastSubImg(I, field,sd->width,sd->height,3)
+ contrastSubImg(I+1,field,sd->width,sd->height,3)
+ contrastSubImg(I+2,field,sd->width,sd->height,3))/3;
}
/**
calculates Michelson-contrast in the given small part of the given image
-
- \param I pointer to framebuffer
- \param field Field specifies position(center) and size of subimage
+
+ \param I pointer to framebuffer
+ \param field Field specifies position(center) and size of subimage
\param width width of frame
\param height height of frame
\param bytesPerPixel calc contrast for only for first channel
*/
-double contrastSubImg(unsigned char* const I, const Field* field,
+double contrastSubImg(unsigned char* const I, const Field* field,
int width, int height, int bytesPerPixel)
{
#if USE_SSE2
{
int x = 0, y = 0;
int i, j;
- double minerror = 1e20;
+ double minerror = 1e20;
for (i = -sd->maxshift; i <= sd->maxshift; i++) {
for (j = -sd->maxshift; j <= sd->maxshift; j++) {
- double error = compareImg(sd->curr, sd->prev,
+ double error = compareImg(sd->curr, sd->prev,
sd->width, sd->height, 3, i, j);
if (error < minerror) {
minerror = error;
x = i;
y = j;
- }
+ }
}
- }
+ }
return new_transform(x, y, 0, 0, 0);
}
-/** tries to register current frame onto previous frame.
+/** tries to register current frame onto previous frame.
(only the luminance is used)
This is the most simple algorithm:
shift images to all possible positions and calc summed error
#endif
// we only use the luminance part of the image
- Y_c = sd->curr;
+ Y_c = sd->curr;
// Cb_c = sd->curr + sd->width*sd->height;
//Cr_c = sd->curr + 5*sd->width*sd->height/4;
- Y_p = sd->prev;
+ Y_p = sd->prev;
//Cb_p = sd->prev + sd->width*sd->height;
//Cr_p = sd->prev + 5*sd->width*sd->height/4;
- double minerror = 1e20;
+ double minerror = 1e20;
for (i = -sd->maxshift; i <= sd->maxshift; i++) {
for (j = -sd->maxshift; j <= sd->maxshift; j++) {
- double error = compareImg(Y_c, Y_p,
+ double error = compareImg(Y_c, Y_p,
sd->width, sd->height, 1, i, j);
#ifdef STABVERBOSE
fprintf(f, "%i %i %f\n", i, j, error);
minerror = error;
x = i;
y = j;
- }
+ }
}
- }
+ }
#ifdef STABVERBOSE
fclose(f);
tc_log_msg(MOD_NAME, "Minerror: %f\n", minerror);
-/* calculates rotation angle for the given transform and
+/* calculates rotation angle for the given transform and
* field with respect to the given center-point
*/
-double calcAngle(StabData* sd, Field* field, Transform* t,
+double calcAngle(StabData* sd, Field* field, Transform* t,
int center_x, int center_y)
{
- // we better ignore fields that are to close to the rotation center
+ // we better ignore fields that are to close to the rotation center
if (abs(field->x - center_x) + abs(field->y - center_y) < sd->maxshift) {
return 0;
} else {
- // double r = sqrt(field->x*field->x + field->y*field->y);
+ // double r = sqrt(field->x*field->x + field->y*field->y);
double a1 = atan2(field->y - center_y, field->x - center_x);
- double a2 = atan2(field->y - center_y + t->y,
+ double a2 = atan2(field->y - center_y + t->y,
field->x - center_x + t->x);
double diff = a2 - a1;
- return (diff>M_PI) ? diff - 2*M_PI
- : ( (diff<-M_PI) ? diff + 2*M_PI : diff);
+ return (diff>M_PI) ? diff - 2*M_PI
+ : ( (diff<-M_PI) ? diff + 2*M_PI : diff);
}
}
/* return t; */
/* } */
#ifdef STABVERBOSE
- // printf("%i %i %f\n", sd->t, fieldnum, contr);
+ // printf("%i %i %f\n", sd->t, fieldnum, contr);
FILE *f = NULL;
char buffer[32];
snprintf(buffer, sizeof(buffer), "f%04i_%02i.dat", sd->t, fieldnum);
f = fopen(buffer, "w");
fprintf(f, "# splot \"%s\"\n", buffer);
-#endif
+#endif
- double minerror = 1e10;
+ double minerror = 1e10;
double error = 1e10;
for (i = -sd->maxshift; i <= sd->maxshift; i += sd->stepsize) {
for (j = -sd->maxshift; j <= sd->maxshift; j += sd->stepsize) {
- error = compareSubImg(Y_c, Y_p, field,
+ error = compareSubImg(Y_c, Y_p, field,
sd->width, sd->height, 1, i, j);
#ifdef STABVERBOSE
fprintf(f, "%i %i %f\n", i, j, error);
-#endif
+#endif
if (error < minerror) {
minerror = error;
t.x = i;
t.y = j;
- }
+ }
}
}
int r = sd->stepsize - 1;
for (i = t.x - r; i <= t.x + r; i += 1) {
for (j = -t.y - r; j <= t.y + r; j += 1) {
- if (i == t.x && j == t.y)
+ if (i == t.x && j == t.y)
continue; //no need to check this since already done
- error = compareSubImg(Y_c, Y_p, field,
+ error = compareSubImg(Y_c, Y_p, field,
sd->width, sd->height, 1, i, j);
#ifdef STABVERBOSE
fprintf(f, "%i %i %f\n", i, j, error);
-#endif
+#endif
if (error < minerror){
minerror = error;
t.x = i;
t.y = j;
- }
+ }
}
}
}
-#ifdef STABVERBOSE
- fclose(f);
+#ifdef STABVERBOSE
+ fclose(f);
mlt_log_debug ( "Minerror: %f\n", minerror);
#endif
if (!sd->allowmax && fabs(t.x) == sd->maxshift) {
-#ifdef STABVERBOSE
+#ifdef STABVERBOSE
mlt_log_debug ( "maximal x shift ");
#endif
t.x = 0;
}
if (!sd->allowmax && fabs(t.y) == sd->maxshift) {
-#ifdef STABVERBOSE
+#ifdef STABVERBOSE
mlt_log_debug ("maximal y shift ");
#endif
t.y = 0;
return t;
}
-/* calculates the optimal transformation for one field in RGB
+/* calculates the optimal transformation for one field in RGB
* slower than the YUV version because it uses all three color channels
*/
Transform calcFieldTransRGB(StabData* sd, const Field* field, int fieldnum)
Transform t = null_transform();
unsigned char *I_c = sd->curr, *I_p = sd->prev;
int i, j;
-
- double minerror = 1e20;
+
+ double minerror = 1e20;
for (i = -sd->maxshift; i <= sd->maxshift; i += 2) {
- for (j=-sd->maxshift; j <= sd->maxshift; j += 2) {
- double error = compareSubImg(I_c, I_p, field,
+ for (j=-sd->maxshift; j <= sd->maxshift; j += 2) {
+ double error = compareSubImg(I_c, I_p, field,
sd->width, sd->height, 3, i, j);
if (error < minerror) {
minerror = error;
t.x = i;
t.y = j;
- }
+ }
}
}
for (i = t.x - 1; i <= t.x + 1; i += 2) {
for (j = -t.y - 1; j <= t.y + 1; j += 2) {
- double error = compareSubImg(I_c, I_p, field,
+ double error = compareSubImg(I_c, I_p, field,
sd->width, sd->height, 3, i, j);
if (error < minerror) {
minerror = error;
t.x = i;
t.y = j;
- }
+ }
}
}
if (!sd->allowmax && fabs(t.x) == sd->maxshift) {
return t;
}
-/* compares contrast_idx structures respect to the contrast
- (for sort function)
+/* compares contrast_idx structures respect to the contrast
+ (for sort function)
*/
int cmp_contrast_idx(const void *ci1, const void* ci2)
{
int i,j;
tlist* goodflds = tlist_new(0);
contrast_idx *ci = malloc(sizeof(contrast_idx) * sd->field_num);
-
+
// we split all fields into row+1 segments and take from each segment
// the best fields
int numsegms = (sd->field_rows+1);
contrast_idx *ci_segms = malloc(sizeof(contrast_idx) * sd->field_num);
int remaining = 0;
// calculate contrast for each field
- for (i = 0; i < sd->field_num; i++) {
+ for (i = 0; i < sd->field_num; i++) {
ci[i].contrast = contrastfunc(sd, &sd->fields[i]);
ci[i].index=i;
if(ci[i].contrast < sd->contrast_threshold) ci[i].contrast = 0;
// else printf("%i %lf\n", ci[i].index, ci[i].contrast);
- }
+ }
memcpy(ci_segms, ci, sizeof(contrast_idx) * sd->field_num);
// get best fields from each segment
//printf("Segment: %i: %i-%i\n", i, startindex, endindex);
// sort within segment
- qsort(ci_segms+startindex, endindex-startindex,
- sizeof(contrast_idx), cmp_contrast_idx);
+ qsort(ci_segms+startindex, endindex-startindex,
+ sizeof(contrast_idx), cmp_contrast_idx);
// take maxfields/numsegms
for(j=0; j<sd->maxfields/numsegms; j++){
if(startindex+j >= endindex) continue;
- // printf("%i %lf\n", ci_segms[startindex+j].index,
+ // printf("%i %lf\n", ci_segms[startindex+j].index,
// ci_segms[startindex+j].contrast);
- if(ci_segms[startindex+j].contrast > 0){
+ if(ci_segms[startindex+j].contrast > 0){
tlist_append(goodflds, &ci[ci_segms[startindex+j].index],sizeof(contrast_idx));
// don't consider them in the later selection process
- ci_segms[startindex+j].contrast=0;
- }
+ ci_segms[startindex+j].contrast=0;
+ }
}
}
// check whether enough fields are selected
// printf("Phase2: %i\n", tc_list_size(goodflds));
- remaining = sd->maxfields - tlist_size(goodflds);
+ remaining = sd->maxfields - tlist_size(goodflds);
if(remaining > 0){
// take the remaining from the leftovers
- qsort(ci_segms, sd->field_num,
+ qsort(ci_segms, sd->field_num,
sizeof(contrast_idx), cmp_contrast_idx);
for(j=0; j < remaining; j++){
if(ci_segms[j].contrast > 0){
- tlist_append(goodflds, &ci_segms[j], sizeof(contrast_idx));
- }
+ tlist_append(goodflds, &ci_segms[j], sizeof(contrast_idx));
+ }
}
- }
+ }
// printf("Ende: %i\n", tc_list_size(goodflds));
free(ci);
free(ci_segms);
-/* tries to register current frame onto previous frame.
+/* tries to register current frame onto previous frame.
* Algorithm:
* check all fields for vertical and horizontal transformation
* use minimal difference of all possible positions
- * discards fields with low contrast
+ * discards fields with low contrast
* select maxfields field according to their contrast
* calculate shift as cleaned mean of all remaining fields
* calculate rotation angle of each field in respect to center of fields
f = fopen(buffer, "w");
fprintf(f, "# plot \"%s\" w l, \"\" every 2:1:0\n", buffer);
#endif
-
+
tlist* goodflds = selectfields(sd, contrastfunc);
- // use all "good" fields and calculate optimal match to previous frame
+ // use all "good" fields and calculate optimal match to previous frame
contrast_idx* f;
while((f = (contrast_idx*)tlist_pop(goodflds,0) ) != 0){
int i = f->index;
t = fieldfunc(sd, &sd->fields[i], i); // e.g. calcFieldTransYUV
#ifdef STABVERBOSE
- fprintf(f, "%i %i\n%f %f %i\n \n\n", sd->fields[i].x, sd->fields[i].y,
+ fprintf(f, "%i %i\n%f %f %i\n \n\n", sd->fields[i].x, sd->fields[i].y,
sd->fields[i].x + t.x, sd->fields[i].y + t.y, t.extra);
#endif
if (t.extra != -1){ // ignore if extra == -1 (unused at the moment)
tlist_fini(goodflds);
t = null_transform();
- num_trans = index; // amount of transforms we actually have
+ num_trans = index; // amount of transforms we actually have
if (num_trans < 1) {
- printf( "too low contrast! No field remains.\n \
- (no translations are detected in frame %i)", sd->t);
+ printf( "too low contrast! No field remains.\n"
+ "(no translations are detected in frame %i)", sd->t);
+ free(ts);
+ free(fs);
+ free(angles);
return t;
}
-
+
int center_x = 0;
int center_y = 0;
// calc center point of all remaining fields
for (i = 0; i < num_trans; i++) {
center_x += fs[i]->x;
- center_y += fs[i]->y;
- }
+ center_y += fs[i]->y;
+ }
center_x /= num_trans;
- center_y /= num_trans;
-
+ center_y /= num_trans;
+
if (sd->show){ // draw fields and transforms into frame.
- // this has to be done one after another to handle possible overlap
+ // this has to be done one after another to handle possible overlap
if (sd->show > 1) {
for (i = 0; i < num_trans; i++)
- drawFieldScanArea(sd, fs[i], &ts[i]);
+ drawFieldScanArea(sd, fs[i], &ts[i]);
}
for (i = 0; i < num_trans; i++)
- drawField(sd, fs[i], &ts[i]);
+ drawField(sd, fs[i], &ts[i]);
for (i = 0; i < num_trans; i++)
- drawFieldTrans(sd, fs[i], &ts[i]);
- }
+ drawFieldTrans(sd, fs[i], &ts[i]);
+ }
/* median over all transforms
t= median_xy_transform(ts, sd->field_num);*/
- // cleaned mean
+ // cleaned mean
t = cleanmean_xy_transform(ts, num_trans);
// substract avg
// figure out angle
if (sd->field_num < 6) {
// the angle calculation is inaccurate for 5 and less fields
- t.alpha = 0;
- } else {
+ t.alpha = 0;
+ } else {
for (i = 0; i < num_trans; i++) {
angles[i] = calcAngle(sd, fs[i], &ts[i], center_x, center_y);
}
t.alpha = -cleanmean(angles, num_trans, &min, &max);
if(max-min>sd->maxanglevariation){
t.alpha=0;
- printf( "too large variation in angle(%f)\n",
+ printf( "too large variation in angle(%f)\n",
max-min);
}
}
double p_x = (center_x - sd->width/2);
double p_y = (center_y - sd->height/2);
t.x += (cos(t.alpha)-1)*p_x - sin(t.alpha)*p_y;
- t.y += sin(t.alpha)*p_x + (cos(t.alpha)-1)*p_y;
-
+ t.y += sin(t.alpha)*p_x + (cos(t.alpha)-1)*p_y;
+
#ifdef STABVERBOSE
fclose(f);
#endif
+ free(ts);
+ free(fs);
+ free(angles);
return t;
}
/** draws the field scanning area */
void drawFieldScanArea(StabData* sd, const Field* field, const Transform* t)
{
- if (!sd->pixelformat == mlt_image_yuv420p) {
+ if (sd->pixelformat != mlt_image_yuv420p) {
mlt_log_warning (NULL, "format not usable\n");
return;
}
- drawBox(sd->curr, sd->width, sd->height, 1, field->x, field->y,
- field->size+2*sd->maxshift, field->size+2*sd->maxshift, 80);
+ drawBox(sd->curr, sd->width, sd->height, 1, field->x, field->y,
+ field->size+2*sd->maxshift, field->size+2*sd->maxshift, 80);
}
/** draws the field */
void drawField(StabData* sd, const Field* field, const Transform* t)
{
- if (!sd->pixelformat == mlt_image_yuv420p){
+ if (sd->pixelformat != mlt_image_yuv420p){
mlt_log_warning (NULL, "format not usable\n");
return;
}
- drawBox(sd->curr, sd->width, sd->height, 1, field->x, field->y,
+ drawBox(sd->curr, sd->width, sd->height, 1, field->x, field->y,
field->size, field->size, t->extra == -1 ? 100 : 40);
}
/** draws the transform data of this field */
void drawFieldTrans(StabData* sd, const Field* field, const Transform* t)
{
- if (!sd->pixelformat == mlt_image_yuv420p){
+ if (sd->pixelformat != mlt_image_yuv420p){
mlt_log_warning (NULL, "format not usable\n");
return;
}
- drawBox(sd->curr, sd->width, sd->height, 1,
+ drawBox(sd->curr, sd->width, sd->height, 1,
field->x, field->y, 5, 5, 128); // draw center
- drawBox(sd->curr, sd->width, sd->height, 1,
+ drawBox(sd->curr, sd->width, sd->height, 1,
field->x + t->x, field->y + t->y, 8, 8, 250); // draw translation
}
/**
* draws a box at the given position x,y (center) in the given color
- (the same for all channels)
+ (the same for all channels)
*/
-void drawBox(unsigned char* I, int width, int height, int bytesPerPixel,
+void drawBox(unsigned char* I, int width, int height, int bytesPerPixel,
int x, int y, int sizex, int sizey, unsigned char color){
-
- unsigned char* p = NULL;
+
+ unsigned char* p = NULL;
int j,k;
p = I + ((x - sizex/2) + (y - sizey/2)*width)*bytesPerPixel;
for (j = 0; j < sizey; j++){
/*************************************************************************/
-/**
- * stabilize_init: Initialize this instance of the module. See
- * tcmodule-data.h for function details.
- */
-int stabilize_init(StabData* instance)
-{
-
- instance = malloc(sizeof(StabData)); // allocation with zero values
- memset(instance,sizeof(StabData),0);
- if (!instance) {
- return -1;
- }
- return 0;
-}
-
/*
* stabilize_configure: Configure this instance of the module. See
* tcmodule-data.h for function details.
/*TCModuleExtraData *xdata[]*/)
{
StabData *sd = instance;
- /* sd->framesize = sd->vob->im_v_width * MAX_PLANES *
+ /* sd->framesize = sd->vob->im_v_width * MAX_PLANES *
sizeof(char) * 2 * sd->vob->im_v_height * 2; */
/*TODO sd->framesize = sd->vob->im_v_size; */
- sd->prev = calloc(1,sd->framesize);
- if (!sd->prev) {
+ sd->prev = calloc(1,sd->framesize);
+ sd->grayimage = calloc(1,sd->width*sd->height);
+
+ if (!sd->prev || !sd->grayimage) {
printf( "malloc failed");
return -1;
}
sd->allowmax = 0;
sd->field_size = MIN(sd->width, sd->height)/12;
sd->maxanglevariation = 1;
-
+
sd->shakiness = MIN(10,MAX(1,sd->shakiness));
sd->accuracy = MAX(sd->shakiness,MIN(15,MAX(1,sd->accuracy)));
if (1) {
// shift and size: shakiness 1: height/40; 10: height/4
sd->maxshift = MIN(sd->width, sd->height)*sd->shakiness/40;
sd->field_size = MIN(sd->width, sd->height)*sd->shakiness/40;
-
- mlt_log_debug ( NULL, "Fieldsize: %i, Maximal translation: %i pixel\n",
+
+ mlt_log_debug ( NULL, "Fieldsize: %i, Maximal translation: %i pixel\n",
sd->field_size, sd->maxshift);
- if (sd->algo==1) {
+ if (sd->algo==1) {
// initialize measurement fields. field_num is set here.
if (!initFields(sd)) {
return -1;
sd->maxfields, sd->field_num);
}
if (sd->show){
- sd->currcopy = malloc(sd->framesize);
- memset ( sd->currcopy, sd->framesize, 0 );
+ sd->currcopy = calloc(1,sd->framesize);
}
/* load unsharp filter to smooth the frames. This allows larger stepsize.*/
char unsharp_param[128];
int masksize = MIN(13,sd->stepsize*1.8); // only works up to 13.
- sprintf(unsharp_param,"luma=-1:luma_matrix=%ix%i:pre=1",
+ sprintf(unsharp_param,"luma=-1:luma_matrix=%ix%i:pre=1",
masksize, masksize);
return 0;
}
* See tcmodule-data.h for function details.
*/
-int stabilize_filter_video(StabData* instance,
+int stabilize_filter_video(StabData* instance,
unsigned char *frame,mlt_image_format pixelformat)
{
StabData *sd = instance;
- sd->pixelformat=pixelformat;
-
- if(sd->show) // save the buffer to restore at the end for prev
- memcpy(sd->currcopy, frame, sd->framesize);
+ sd->pixelformat=pixelformat;
+ int l=sd->width*sd->height;
+ unsigned char* tmpgray=sd->grayimage;
+ if (pixelformat == mlt_image_yuv422){
+ while(l--){
+ *tmpgray++=*frame++;
+ frame++;
+ };
+ }
+
+ if(sd->show) { // save the buffer to restore at the end for prev
+ if (pixelformat == mlt_image_yuv420p){
+ memcpy(sd->currcopy, sd->grayimage, sd->framesize);
+ }
+ }
if (sd->hasSeenOneFrame) {
- sd->curr = frame;
+ sd->curr = sd->grayimage;
if (pixelformat == mlt_image_rgb24) {
if (sd->algo == 0)
addTrans(sd, calcShiftRGBSimple(sd));
else if (sd->algo == 1)
addTrans(sd, calcTransFields(sd, calcFieldTransYUV,
contrastSubImgYUV));
+ } else if (pixelformat == mlt_image_yuv422 ) {
+ if (sd->algo == 0)
+ addTrans(sd, calcShiftYUVSimple(sd));
+ else if (sd->algo == 1)
+ addTrans(sd, calcTransFields(sd, calcFieldTransYUV,
+ contrastSubImgYUV));
} else {
mlt_log_warning (NULL,"unsupported Codec: %i\n",
pixelformat);
sd->hasSeenOneFrame = 1;
addTrans(sd, null_transform());
}
-
+
if(!sd->show) { // copy current frame to prev for next frame comparison
- memcpy(sd->prev, frame, sd->framesize);
+ memcpy(sd->prev, sd->grayimage, sd->framesize);
} else { // use the copy because we changed the original frame
memcpy(sd->prev, sd->currcopy, sd->framesize);
}
free(sd->prev);
sd->prev = NULL;
}
+ if (sd->grayimage){
+ free(sd->grayimage);
+ sd->grayimage=NULL;
+
+ }
return 0;
}
projects / mlt / blobdiff