mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-24 08:30:16 +00:00
53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
|
|
* Copyright (C) 2011-2015 - Daniel De Matteis
|
|
*
|
|
* RetroArch is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with RetroArch.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "audio_monitor.h"
|
|
#include "../general.h"
|
|
|
|
void audio_monitor_adjust_system_rates(void)
|
|
{
|
|
float timing_skew;
|
|
const struct retro_system_timing *info =
|
|
(const struct retro_system_timing*)&g_extern.system.av_info.timing;
|
|
|
|
if (info->sample_rate <= 0.0)
|
|
return;
|
|
|
|
timing_skew = fabs(1.0f - info->fps /
|
|
g_settings.video.refresh_rate);
|
|
g_extern.audio_data.in_rate = info->sample_rate;
|
|
|
|
if (timing_skew <= g_settings.audio.max_timing_skew)
|
|
g_extern.audio_data.in_rate *= (g_settings.video.refresh_rate / info->fps);
|
|
|
|
RARCH_LOG("Set audio input rate to: %.2f Hz.\n",
|
|
g_extern.audio_data.in_rate);
|
|
}
|
|
|
|
/**
|
|
* audio_monitor_set_refresh_rate:
|
|
*
|
|
* Sets audio monitor refresh rate to new value.
|
|
**/
|
|
void audio_monitor_set_refresh_rate(void)
|
|
{
|
|
double new_src_ratio = (double)g_settings.audio.out_rate /
|
|
g_extern.audio_data.in_rate;
|
|
|
|
g_extern.audio_data.orig_src_ratio = new_src_ratio;
|
|
g_extern.audio_data.src_ratio = new_src_ratio;
|
|
}
|