@@ -470,6 +470,9 @@ pub const File = struct {
assert(total_frames == channels[0].totalSamples());
if (total_frames == 0)
return error.EmptyStream;
var twi_encoder = Twi.Encoder.init;
try twi_encoder.setCapacity(gpa, waveform_image_width);
defer twi_encoder.deinit(gpa);