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Diffstat (limited to 'src/blind-matrix-rotate.c')
| -rw-r--r-- | src/blind-matrix-rotate.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/blind-matrix-rotate.c b/src/blind-matrix-rotate.c index 945205d..946fb3c 100644 --- a/src/blind-matrix-rotate.c +++ b/src/blind-matrix-rotate.c @@ -33,6 +33,7 @@ main(int argc, char *argv[]) eopen_stream(&stream, NULL); SELECT_PROCESS_FUNCTION(&stream); + CHECK_CHANS(&stream, == 3, == 1); if (stream.width != 1 || stream.height != 1) eprintf("<stdin>: each frame must contain exactly 1 pixels\n"); |