X-Git-Url: https://git.cinelerra-gg.org/git/?p=goodguy%2Fcinelerra.git;a=blobdiff_plain;f=cinelerra-5.1%2Fguicast%2Fvframe.C;h=63c36f06b4ee0d86c914e82a267a0c133bc17d70;hp=5cd9901b3666e38eb813ac4c0d1f92da3060a741;hb=230f4fdce9d4b62d8780702bb406a1f5f629a3c3;hpb=ad498171bc20d8187dfa891da26d7b32a2ff0380

diff --git a/cinelerra-5.1/guicast/vframe.C b/cinelerra-5.1/guicast/vframe.C
index 5cd9901b..63c36f06 100644
--- 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) \
 { \