1 files changed, 0 insertions, 80 deletions
diff --git a/src/vu-stack.c b/src/vu-stack.c
deleted file mode 100644
index a03fd91..0000000
--- a/src/vu-stack.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "stream.h"
-#include "util.h"
-
-#include <fcntl.h>
-#include <inttypes.h>
-#include <string.h>
-#include <unistd.h>
-
-USAGE("[-b] bottom-stream ... top-stream")
-
-#define PROCESS_LINEAR_3CH_ALPHA(TYPE, BLEND)\
-	do {\
-		TYPE x1, y1, z1, a1;\
-		TYPE x2, y2, z2, a2;\
-		size_t i, j;\
-		for (i = 0; i < n; i += streams->pixel_size) {\
-			x1 = ((TYPE *)(streams[0].buf + i))[0];\
-			y1 = ((TYPE *)(streams[0].buf + i))[1];\
-			z1 = ((TYPE *)(streams[0].buf + i))[2];\
-			a1 = ((TYPE *)(streams[0].buf + i))[3];\
-			for (j = 1; j < n_streams; j++) {\
-				x2 = ((TYPE *)(streams[j].buf + i))[0];\
-				y2 = ((TYPE *)(streams[j].buf + i))[1];\
-				z2 = ((TYPE *)(streams[j].buf + i))[2];\
-				a2 = ((TYPE *)(streams[j].buf + i))[3];\
-				if (BLEND)\
-					a2 /= j + 1;\
-				x1 = x1 * a1 * (1 - a2) + x2 * a2;\
-				y1 = y1 * a1 * (1 - a2) + y2 * a2;\
-				z1 = z1 * a1 * (1 - a2) + z2 * a2;\
-				a1 = a1 * (1 - a2) + a2;\
-			}\
-			((TYPE *)(streams[0].buf + i))[0] = x1;\
-			((TYPE *)(streams[0].buf + i))[1] = y1;\
-			((TYPE *)(streams[0].buf + i))[2] = z1;\
-			((TYPE *)(streams[0].buf + i))[3] = a1;\
-		}\
-	} while (0)
-
-static void process_xyza  (struct stream *streams, size_t n_streams, size_t n) { PROCESS_LINEAR_3CH_ALPHA(double, 0); }
-static void process_xyza_b(struct stream *streams, size_t n_streams, size_t n) { PROCESS_LINEAR_3CH_ALPHA(double, 1); }
-
-int
-main(int argc, char *argv[])
-{
-	struct stream *streams;
-	size_t n_streams, i;
-	int blend = 0;
-	void (*process)(struct stream *streams, size_t n_streams, size_t n) = NULL;
-
-	ARGBEGIN {
-	case 'b':
-		blend = 1;
-		break;
-	default:
-		usage();
-	} ARGEND;
-
-	if (argc < 2)
-		usage();
-
-	n_streams = (size_t)argc;
-	streams = ecalloc(n_streams, sizeof(*streams));
-
-	for (i = 0; i < n_streams; i++) {
-		streams[i].file = argv[i];
-		streams[i].fd = eopen(streams[i].file, O_RDONLY);
-	}
-
-	if (!strcmp(streams->pixfmt, "xyza"))
-		process = blend ? process_xyza_b : process_xyza;
-	else
-		eprintf("pixel format %s is not supported, try xyza\n", streams->pixfmt);
-
-	process_multiple_streams(streams, n_streams, STDOUT_FILENO, "<stdout>", process);
-
-	free(streams);
-	return 0;
-}