Avoid intermediate bitcount for number of bytes in PutBitContext

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavfilter/vf_signature.c b/libavfilter/vf_signature.c
index 32a6405e14..bf5973b867 100644
--- a/libavfilter/vf_signature.c
+++ b/libavfilter/vf_signature.c
@@ -561,7 +561,7 @@ static int binary_export(AVFilterContext *ctx, StreamContext *sc, const char* fi
     }
 
     flush_put_bits(&buf);
-    fwrite(buffer, 1, put_bits_count(&buf)/8, f);
+    fwrite(buffer, 1, put_bytes_output(&buf), f);
     fclose(f);
     av_freep(&buffer);
     return 0;