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Check for large skews in timing.

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This commit is contained in:
Themaister 2011-11-19 14:16:55 +01:00
parent 598d06fcb5
commit e49d216884
1 changed files with 14 additions and 1 deletions
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15
driver.c
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@ -228,6 +228,19 @@ static void adjust_audio_input_rate(void)
if (!first)
return;
if (g_extern.system.timing_set)
{
float timing_skew = fabs(1.0f - g_extern.system.timing.fps / g_settings.video.refresh_rate);
if (timing_skew > 0.05f) // We don't want to adjust pitch too much. If we have extreme cases, just don't readjust at all.
{
SSNES_LOG("Timings deviate too much. Will not adjust. (Display = %.2f Hz, Game = %.2lf Hz)\n",
g_settings.video.refresh_rate,
g_extern.system.timing.fps);
g_settings.video.refresh_rate = g_extern.system.timing.fps;
}
}
if (g_extern.system.timing_set)
{
g_settings.audio.in_rate = g_extern.system.timing.sample_rate *
@ -239,7 +252,7 @@ static void adjust_audio_input_rate(void)
(g_settings.video.refresh_rate / (21477272.0 / 357366.0)); // SNES metrics.
}
SSNES_LOG("Adjusted audio input rate to: %.2f Hz.\n", g_settings.audio.in_rate);
SSNES_LOG("Set audio input rate to: %.2f Hz.\n", g_settings.audio.in_rate);
first = false;
}