user selectable audio buffer size & better default

[drnoksnes] / platform / config.cpp

diff --git a/platform/config.cpp b/platform/config.cpp
index e925a1d..41fac3e 100644 (file)
--- a/platform/config.cpp
+++ b/platform/config.cpp
@@ -53,6 +53,8 @@ static struct poptOption commonOptionsTable[] = {
        "Unfreeze previous game on start and freeze game on exit", 0 },
        { "audio-rate", 'u', POPT_ARG_INT, 0, 14,
        "Audio output rate", "HZ" },
+       { "audio-buffer-size", 'b', POPT_ARG_INT, 0, 15,
+       "Audio output buffer size", "SAMPLES" },
        POPT_TABLEEND
 };
 
@@ -168,7 +170,7 @@ static void loadDefaults()
        Settings.JoystickEnabled = FALSE;
        Settings.SoundPlaybackRate = 22050;
        Settings.Stereo = TRUE;
-       Settings.SoundBufferSize = 0;
+       Settings.SoundBufferSize = 512; // in samples
        Settings.CyclesPercentage = 100;
        Settings.DisableSoundEcho = FALSE;
        Settings.APUEnabled = FALSE;
@@ -343,6 +345,9 @@ static void parseArgs(poptContext optCon)
                        case 14:
                                Settings.SoundPlaybackRate = atoi(poptGetOptArg(optCon));
                                break;
+                       case 15:
+                               Settings.SoundBufferSize = atoi(poptGetOptArg(optCon));
+                               break;
                        case 100:
                                scancode = atoi(poptGetOptArg(optCon));
                                break;