From a1ac06b20d3f74749b612998908e70fbac7f48ab Mon Sep 17 00:00:00 2001
From: Good Guy <good1.2guy@gmail.com>
Date: Tue, 21 Jul 2020 10:32:20 -0600
Subject: [PATCH] fix affine+interp, add dump_stack to dmp (duh, really)

---
 cinelerra-5.1/cinelerra/affine.C  |  6 +++---
 cinelerra-5.1/cinelerra/interp.h  | 22 +++++++++++-----------
 cinelerra-5.1/guicast/bcsignals.C |  1 +
 3 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/cinelerra-5.1/cinelerra/affine.C b/cinelerra-5.1/cinelerra/affine.C
index 25af1c98..2842e062 100644
--- a/cinelerra-5.1/cinelerra/affine.C
+++ b/cinelerra-5.1/cinelerra/affine.C
@@ -242,8 +242,8 @@ void AffineUnit::process_package(LoadPackage *package)
 	AffinePackage *pkg = (AffinePackage*)package;
 	int min_in_x = server->in_x;
 	int min_in_y = server->in_y;
-	int max_in_x = server->in_x + server->in_w - 1;
-	int max_in_y = server->in_y + server->in_h - 1;
+	int max_in_x = server->in_x + server->in_w;
+	int max_in_y = server->in_y + server->in_h;
 
 
 // printf("AffineUnit::process_package %d %d %d %d %d\n",
@@ -690,7 +690,7 @@ AffineEngine::AffineEngine(int total_clients, int total_packages)
 
 void AffineEngine::init_packages()
 {
-	int y1 = 0, npkgs = get_total_packages();
+	int y1 = out_y, npkgs = get_total_packages();
 	for( int i=0; i<npkgs; ) {
 		AffinePackage *package = (AffinePackage*)get_package(i);
 		int y2 = out_y + (out_h * ++i / npkgs);
diff --git a/cinelerra-5.1/cinelerra/interp.h b/cinelerra-5.1/cinelerra/interp.h
index ee183476..6cbcffbe 100644
--- a/cinelerra-5.1/cinelerra/interp.h
+++ b/cinelerra-5.1/cinelerra/interp.h
@@ -64,11 +64,11 @@ static inline float interp_cubic(float dx, float p0, float p1, float p2, float p
 
 
 #define bi_linear_SETUP(typ, components, tx, ty) \
-	float dx = (tx)-0.5, dy = (ty)-0.5; \
-	int itx = dx, ity = dy, in_comps = (components); \
-	if( (dx -= itx) < 0 ) dx += 1; \
-	if( (dy -= ity) < 0 ) dy += 1; \
-	int c0 = itx+0, c1 = itx+1, r0 = ity+0, r1 = ity+1; \
+	const int in_comps = components; \
+	float fx = (tx), fy = (ty); \
+	int c0 = floorf(fx), r0 = floorf(fy); \
+	float dx = fx-c0, dy = fy-r0; \
+	int c1 = c0+1, r1 = r0+1; \
 	typ *r0p = r0>=in_min_y && r0<in_max_y ? ((typ**)interp_rows)[r0] : 0; \
 	typ *r1p = r1>=in_min_y && r1<in_max_y ? ((typ**)interp_rows)[r1] : 0
 
@@ -83,12 +83,12 @@ static inline float interp_cubic(float dx, float p0, float p1, float p2, float p
 
 
 #define bi_cubic_SETUP(typ, components, tx, ty) \
-	float dx = (tx)-0.5, dy = (ty)-0.5; \
-	int itx = dx, ity = dy, in_comps = (components); \
-	if( (dx -= itx) < 0 ) dx += 1; \
-	if( (dy -= ity) < 0 ) dy += 1; \
-	int cp = itx-1, c0 = itx+0, c1 = itx+1, c2 = itx+2; \
-	int rp = ity-1, r0 = ity+0, r1 = ity+1, r2 = ity+2; \
+	const int in_comps = components; \
+	float fx = (tx), fy = (ty); \
+	int c0 = floorf(fx), r0 = floorf(fy); \
+	float dx = fx-c0, dy = fy-r0; \
+	int cp = c0-1, c1 = c0+1, c2 = c0+2; \
+	int rp = r0-1, r1 = r0+1, r2 = r0+2; \
 	typ *rpp = rp>=in_min_y && rp<in_max_y ? ((typ**)interp_rows)[rp] : 0; \
 	typ *r0p = r0>=in_min_y && r0<in_max_y ? ((typ**)interp_rows)[r0] : 0; \
 	typ *r1p = r1>=in_min_y && r1<in_max_y ? ((typ**)interp_rows)[r1] : 0; \
diff --git a/cinelerra-5.1/guicast/bcsignals.C b/cinelerra-5.1/guicast/bcsignals.C
index 779d7e40..858ba409 100644
--- a/cinelerra-5.1/guicast/bcsignals.C
+++ b/cinelerra-5.1/guicast/bcsignals.C
@@ -569,6 +569,7 @@ static void handle_dump(int n, siginfo_t * info, void *sc)
 		fprintf(fp,"err opening: %s, %m\n", proc_mem);
 	reg_dump(fp, c);
 #endif
+	BC_Signals::dump_stack(fp);
 	fprintf(fp,"\n\n");
 	if( fp != stdout ) fclose(fp);
 #ifndef NO_GDB
-- 
2.26.2