two tweaks required to fix up previous commit

diff --git a/libs/ardour/audio_diskstream.cc b/libs/ardour/audio_diskstream.cc
index 8470b98e663e942336a27ba5ced343104e90d813..e36f905d7cb60a90671fb375002e223da2afbcda 100644 (file)
--- a/libs/ardour/audio_diskstream.cc
+++ b/libs/ardour/audio_diskstream.cc
@@ -1245,7 +1245,7 @@ AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer, framecn
 
        /* total_space is in samples. We want to optimize read sizes in various sizes using bytes */
 
-       const size_t bits_per_sample = sndfile_data_width (_session.config.get_native_file_data_format());
+       const size_t bits_per_sample = format_data_width (_session.config.get_native_file_data_format());
        size_t total_bytes = total_space * bits_per_sample / 8;
 
        /* chunk size range is 256kB to 4MB. Bigger is faster in terms of MB/sec, but bigger chunk size always takes longer