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e3d39f3e87
* PACKAGE: bump libretro-mame2000 version commit 2ec60f6e1078cf9ba173e80432cc28fd4eea200f * PACKAGE-mame2000: fix SELECT btn & optimize patches
97 lines
3.6 KiB
Diff
97 lines
3.6 KiB
Diff
From 7972d983687fa37877301f3f590a041639cda346 Mon Sep 17 00:00:00 2001
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From: Apaczer <94932128+Apaczer@users.noreply.github.com>
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Date: Wed, 22 Jan 2025 20:02:40 +0100
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Subject: [PATCH 3/3] libretro.c: use frameskip & low samplerate by def.
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optimize
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---
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src/libretro/libretro.c | 26 +++++++++++++-------------
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1 file changed, 13 insertions(+), 13 deletions(-)
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diff --git a/src/libretro/libretro.c b/src/libretro/libretro.c
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index 48f079a..4df5d0a 100644
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--- a/src/libretro/libretro.c
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+++ b/src/libretro/libretro.c
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@@ -51,8 +51,8 @@ static scond_t *libretro_cond = NULL;
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static slock_t *libretro_mutex = NULL;
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#endif
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-unsigned frameskip_type = 0;
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-unsigned frameskip_threshold = 0;
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+unsigned frameskip_type = 2;
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+unsigned frameskip_threshold = 50;
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unsigned frameskip_counter = 0;
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unsigned frameskip_interval = 0;
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@@ -63,10 +63,10 @@ int retro_audio_buff_underrun = false;
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unsigned retro_audio_latency = 0;
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int update_audio_latency = false;
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-int should_skip_frame = 0;
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+int should_skip_frame = 1;
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-static int sample_rate = 22050;
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-static int stereo_enabled = true;
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+static int sample_rate = 11025;
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+static int stereo_enabled = false;
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int game_index = -1;
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unsigned short *gp2x_screen15;
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@@ -222,7 +222,7 @@ static void update_variables(bool first_run)
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var.value = NULL;
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prev_frameskip_type = frameskip_type;
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- frameskip_type = 0;
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+ frameskip_type = 2;
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if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
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{
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@@ -235,7 +235,7 @@ static void update_variables(bool first_run)
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var.key = "mame2000-frameskip_threshold";
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var.value = NULL;
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- frameskip_threshold = 30;
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+ frameskip_threshold = 50;
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if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
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frameskip_threshold = strtol(var.value, NULL, 10);
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@@ -277,7 +277,7 @@ static void update_variables(bool first_run)
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var.value = NULL;
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var.key = "mame2000-sample_rate";
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- sample_rate = 22050;
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+ sample_rate = 11025;
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if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
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sample_rate = strtol(var.value, NULL, 10);
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@@ -293,7 +293,7 @@ static void update_variables(bool first_run)
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stereo_enabled = false;
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}
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else
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- stereo_enabled = true;
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+ stereo_enabled = false;
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/* Reinitialise frameskipping, if required */
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if (!first_run &&
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@@ -304,13 +304,13 @@ static void update_variables(bool first_run)
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void retro_set_environment(retro_environment_t cb)
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{
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static const struct retro_variable vars[] = {
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- { "mame2000-frameskip", "Frameskip ; disabled|auto|threshold" },
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- { "mame2000-frameskip_threshold", "Frameskip Threshold (%); 30|40|50|60" },
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+ { "mame2000-frameskip", "Frameskip ; threshold|disabled|auto" },
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+ { "mame2000-frameskip_threshold", "Frameskip Threshold (%); 50|40|50|60" },
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{ "mame2000-frameskip_interval", "Frameskip Interval; 1|2|3|4|5|6|7|8|9" },
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{ "mame2000-skip_disclaimer", "Skip Disclaimer; enabled|disabled" },
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{ "mame2000-show_gameinfo", "Show Game Information; disabled|enabled" },
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- { "mame2000-sample_rate", "Audio Rate (Restart); 22050|11025|22050|32000|44100" },
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- { "mame2000-stereo", "Stereo (Restart); enabled|disabled" },
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+ { "mame2000-sample_rate", "Audio Rate (Restart); 11025|11025|22050|32000|44100" },
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+ { "mame2000-stereo", "Stereo (Restart); disabled|enabled" },
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{ NULL, NULL },
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};
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environ_cb = cb;
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--
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2.45.2.windows.1
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