Add an option --flat-audio to start with almost all the audio processing turned off.

[nageru] / mixer.cpp

diff --git a/mixer.cpp b/mixer.cpp
index 9565894d420722e802d59aa4692373ff819a02b3..1f1035bf84065ef9c7ccca19afb8a5a51a1075e0 100644 (file)
--- a/mixer.cpp
+++ b/mixer.cpp
@@ -261,6 +261,14 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards)
 
        locut.init(FILTER_HPF, 2);
 
+       // If --flat-audio is given, turn off everything that messes with the sound,
+       // except the final makeup gain.
+       if (global_flags.flat_audio) {
+               set_locut_enabled(false);
+               set_limiter_enabled(false);
+               set_compressor_enabled(false);
+       }
+
        // hlen=16 is pretty low quality, but we use quite a bit of CPU otherwise,
        // and there's a limit to how important the peak meter is.
        peak_resampler.setup(OUTPUT_FREQUENCY, OUTPUT_FREQUENCY * 4, /*num_channels=*/2, /*hlen=*/16, /*frel=*/1.0);