fix inputs to sws_getCachedContext for ffmpeg #1559

src/media/ffmpeg.c

@@ -475,7 +475,7 @@ int ffmpeg_blit(ncvisual* ncv, int rows, int cols, ncplane* n,
     }
     //fprintf(stderr, "WHN NCV: %d/%d\n", inframe->width, inframe->height);
     ncv->details->swsctx = sws_getCachedContext(ncv->details->swsctx,
-                                               ncv->cols, ncv->rows,
+                                               inframe->width, inframe->height,
                                                inframe->format,
                                                cols, rows,
                                                targformat,

src/poc/blitters.c

@@ -34,6 +34,7 @@ int main(int argc, char** argv){
     NCBLIT_PIXEL,   // pixel graphics
     -1,
   };
+  notcurses_check_pixel_support(nc);
   for(const int* blitter = blitters ; *blitter >= 0 ; ++blitter){
     for(int scaling = NCSCALE_NONE ; scaling <= NCSCALE_STRETCH ; ++scaling){
       for(int i = 1 ; i < argc ; ++i){

src/pocpp/visual.cpp

@@ -71,7 +71,7 @@ int main(int argc, char** argv){
   for(double i = 0 ; i < 256 ; ++i){
     clock_nanosleep(CLOCK_MONOTONIC, 0, &ts, NULL);
     if(ncvisual_rotate(ncv, M_PI / ((i / 32) + 2))){
-      failed = true;
+      failed = true; // FIXME fails after a few dozen iterations
       break;
     }
     struct ncplane* newn;