1 files changed, 44 insertions, 0 deletions
diff --git a/src/blind-flop.c b/src/blind-flop.c
new file mode 100644
index 0000000..e98771d
--- /dev/null
+++ b/src/blind-flop.c
@@ -0,0 +1,44 @@
+/* See LICENSE file for copyright and license details. */
+#include "stream.h"
+#include "util.h"
+
+#include <inttypes.h>
+#include <string.h>
+#include <unistd.h>
+
+USAGE("")
+
+int
+main(int argc, char *argv[])
+{
+	struct stream stream;
+	char *buf, *image;
+	size_t i, j, n, m;
+
+	ENOFLAGS(argc);
+
+	stream.file = "<stdin>";
+	stream.fd = STDIN_FILENO;
+	einit_stream(&stream);
+	fprint_stream_head(stdout, &stream);
+	efflush(stdout, "<stdout>");
+
+	if (stream.width > SIZE_MAX / stream.pixel_size)
+		eprintf("<stdin>: video frame is too wide\n");
+	n = stream.width * stream.pixel_size;
+	buf   = emalloc(n);
+	image = emalloc(n);
+
+	m = n - stream.pixel_size;
+	memcpy(buf, stream.buf, stream.ptr);
+	while (eread_row(&stream, buf, n)) {
+		for (i = 0; i < stream.pixel_size; i++)
+			for (j = 0; j < n; j += stream.pixel_size)
+				image[m - j + i] = buf[i + j];
+		ewriteall(STDOUT_FILENO, image, n, "<stdout>");
+	}
+
+	free(buf);
+	free(image);
+	return 0;
+}