fix for vframe get_temp blunder, vicon zoom tweak

[goodguy/cinelerra.git] / cinelerra-5.1 / guicast / vframe.C

diff --git a/cinelerra-5.1/guicast/vframe.C b/cinelerra-5.1/guicast/vframe.C
index 5cd9901b3666e38eb813ac4c0d1f92da3060a741..63c36f06b4ee0d86c914e82a267a0c133bc17d70 100644 (file)
--- a/cinelerra-5.1/guicast/vframe.C
+++ b/cinelerra-5.1/guicast/vframe.C
@@ -390,7 +390,8 @@ int VFrame::get_keyframe()
 
 void VFrame::get_temp(VFrame *&vfrm, int w, int h, int color_model)
 {
-       if( vfrm && ( vfrm->get_w() != w || vfrm->get_h() != h ) ) {
+       if( vfrm && ( vfrm->color_model != color_model ||
+           vfrm->get_w() != w || vfrm->get_h() != h ) ) {
                delete vfrm;  vfrm = 0;
        }
        if( !vfrm ) vfrm = new VFrame(w, h, color_model, 0);
@@ -874,6 +875,28 @@ int VFrame::write_png(const char *path)
        return 0;
 }
 
+void VFrame::write_ppm(VFrame *vfrm, const char *fmt, ...)
+{
+       va_list ap;
+       va_start(ap, fmt);
+       char fn[BCTEXTLEN];
+       vsnprintf(fn, sizeof(fn), fmt, ap);
+       va_end(ap);
+       FILE *fp = fopen(fn,"w");
+       if( !fp ) { perror("write_ppm"); return; }
+       VFrame *frm = vfrm;
+       if( frm->get_color_model() != BC_RGB888 ) {
+               frm = new VFrame(frm->get_w(), frm->get_h(), BC_RGB888);
+               frm->transfer_from(vfrm);
+       }
+       int w = frm->get_w(), h = frm->get_h();
+       fprintf(fp,"P6\n%d %d\n255\n",w,h);
+       unsigned char **rows = frm->get_rows();
+       for( int i=0; i<h; ++i ) fwrite(rows[i],3,w,fp);
+       fclose(fp);
+       if( frm != vfrm ) delete frm;
+}
+
 
 #define ZERO_YUV(components, type, max) \
 { \