libretro/beetle-lynx-libretro
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Update FPS field to reflect empirical testing.

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This commit is contained in:
Themaister 2012-09-20 21:38:19 +02:00
parent b4cbfac20a
commit 0fc4518ef9
1 changed files with 18 additions and 8 deletions
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26
libretro.cpp
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@ -64,12 +64,6 @@ void retro_init()
environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
}
void retro_deinit()
{
delete surf;
surf = NULL;
}
void retro_reset()
{
MDFNI_Reset();
@ -232,6 +226,8 @@ static void update_input()
}
}
static uint64_t video_frames, audio_frames;
void retro_run()
{
input_poll_cb();
@ -292,6 +288,9 @@ void retro_run()
video_cb(ptr, width, height, 680 << 1);
}
video_frames++;
audio_frames += spec.SoundBufSize;
audio_batch_cb(spec.SoundBuf, spec.SoundBufSize);
}
@ -307,8 +306,7 @@ void retro_get_system_info(struct retro_system_info *info)
void retro_get_system_av_info(struct retro_system_av_info *info)
{
memset(info, 0, sizeof(*info));
// Just assume NTSC for now. TODO: Verify FPS.
info->timing.fps = 59.94;
info->timing.fps = 59.85398; // Determined from empirical testing.
info->timing.sample_rate = 44100;
info->geometry.base_width = 320;
info->geometry.base_height = 240;
@ -317,6 +315,18 @@ void retro_get_system_av_info(struct retro_system_av_info *info)
info->geometry.aspect_ratio = 4.0 / 3.0;
}
void retro_deinit()
{
delete surf;
surf = NULL;
fprintf(stderr, "[Mednafen PSX]: Samples / Frame: %.5f\n",
(double)audio_frames / video_frames);
fprintf(stderr, "[Mednafen PSX]: Estimated FPS: %.5f\n",
(double)video_frames * 44100 / audio_frames);
}
unsigned retro_get_region(void)
{
return RETRO_REGION_NTSC;