swresample: Skip over dither steps if dithering scale is 0

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

1 files changed, 1 insertions, 0 deletions

diff --git a/libswresample/swresample_internal.h b/libswresample/swresample_internal.h
index 3828b722cc..88dbc863da 100644
--- a/libswresample/swresample_internal.h
+++ b/libswresample/swresample_internal.h
@@ -120,6 +120,7 @@ struct SwrContext {
     int64_t user_in_ch_layout;                      ///< User set input channel layout
     int64_t user_out_ch_layout;                     ///< User set output channel layout
     enum AVSampleFormat user_int_sample_fmt;        ///< User set internal sample format
+    int user_dither_method;                         ///< User set dither method
 
     struct DitherContext dither;