Updates to vid.stab module.

[mlt] / src / modules / vid.stab / common.c

diff --git a/src/modules/vid.stab/common.c b/src/modules/vid.stab/common.c
index 13acc67f0ac06e79bfc0c7293ef21b44838cda78..58228d7de3757750a00c0f2df5e46768532666a3 100644 (file)
--- a/src/modules/vid.stab/common.c
+++ b/src/modules/vid.stab/common.c
@@ -39,6 +39,10 @@ mlt_image_format validate_format( mlt_image_format format )
        }
 }
 
+/** Convert an MLT image to one that can be used by VS.
+ * Use free_vsimage() when done with the resulting image.
+ */
+
 VSPixelFormat mltimage_to_vsimage( mlt_image_format mlt_format, int width, int height, uint8_t* mlt_img, uint8_t** vs_img )
 {
        switch( mlt_format )
@@ -97,6 +101,9 @@ VSPixelFormat mltimage_to_vsimage( mlt_image_format mlt_format, int width, int h
        }
 }
 
+/** Convert a VS image back to the MLT image it originally came from in mltimage_to_vsimage().
+ */
+
 void vsimage_to_mltimage( uint8_t* vs_img, uint8_t* mlt_img, mlt_image_format mlt_format, int width, int height )
 {
        switch( mlt_format )
@@ -143,10 +150,13 @@ void vsimage_to_mltimage( uint8_t* vs_img, uint8_t* mlt_img, mlt_image_format ml
                }
                break;
        default:
-               return PF_NONE;
+               break;
        }
 }
 
+/** Free an image allocated by mltimage_to_vsimage().
+ */
+
 void free_vsimage( uint8_t* vs_img, VSPixelFormat format )
 {
        if( format != PF_YUV420P )
@@ -154,3 +164,56 @@ void free_vsimage( uint8_t* vs_img, VSPixelFormat format )
                mlt_pool_release( vs_img );
        }
 }
+
+/** Compare two VSMotionDetectConfig structures.
+ * Return 1 if they are different. 0 if they are the same.
+ */
+
+int compare_motion_config( VSMotionDetectConfig* a, VSMotionDetectConfig* b )
+{
+       if( a->shakiness != b->shakiness ||
+               a->accuracy != b->accuracy ||
+               a->stepSize != b->stepSize ||
+               // Skip: Deprecated
+               // a->algo != b->algo ||
+               a->virtualTripod != b->virtualTripod ||
+               a->show != b->show ||
+               // Skip: inconsequential?
+               // a->modName != b->modName ||
+               a->contrastThreshold != b->contrastThreshold )
+       {
+               return 1;
+       }
+       return 0;
+}
+
+/** Compare two VSTransformConfig structures.
+ * Return 1 if they are different. 0 if they are the same.
+ */
+
+int compare_transform_config( VSTransformConfig* a, VSTransformConfig* b )
+{
+       if( a->relative != b->relative ||
+               a->smoothing != b->smoothing ||
+               a->crop != b->crop ||
+               a->invert != b->invert ||
+               a->zoom != b->zoom ||
+               a->optZoom != b->optZoom ||
+               a->zoomSpeed != b->zoomSpeed ||
+               a->interpolType != b->interpolType ||
+               a->maxShift != b->maxShift ||
+               a->maxAngle != b->maxAngle ||
+               // Skip: inconsequential?
+               // a->modName != b->modName ||
+               // Skip: unused?
+               // a->verbose != b->verbose ||
+               a->simpleMotionCalculation != b->simpleMotionCalculation ||
+               // Skip: unused?
+               // a->storeTransforms != b->storeTransforms ||
+               a->smoothZoom != b->smoothZoom ||
+               a->camPathAlgo != b->camPathAlgo )
+       {
+               return 1;
+       }
+       return 0;
+}