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sound, add native rate mode, change resampling

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This commit is contained in:
kub 2022-03-06 20:40:50 +00:00
parent d26d4c2965
commit 882f697ad4
11 changed files with 90 additions and 167 deletions
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10
platform/libretro/libretro.c
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@ -1316,6 +1316,8 @@ bool retro_load_game(const struct retro_game_info *info)
PicoIn.writeSound = snd_write;
memset(sndBuffer, 0, sizeof(sndBuffer));
PicoIn.sndOut = sndBuffer;
if (PicoIn.sndRate > 52000)
PicoIn.sndRate = YM2612_NATIVE_RATE();
PsndRerate(0);
apply_renderer();
@ -1566,7 +1568,9 @@ static void update_variables(bool first_run)
{
PicoDetectRegion();
PicoLoopPrepare();
PsndRerate(1);
if (PicoIn.sndRate > 52000)
PicoIn.sndRate = YM2612_NATIVE_RATE();
PsndRerate(!first_run);
}
old_vout_aspect = vout_aspect;
@ -1687,10 +1691,12 @@ static void update_variables(bool first_run)
var.key = "picodrive_sound_rate";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
new_sound_rate = atoi(var.value);
if (!strcmp(var.value, "native"))
new_sound_rate = YM2612_NATIVE_RATE();
if (new_sound_rate != PicoIn.sndRate) {
/* Update the sound rate */
PicoIn.sndRate = new_sound_rate;
PsndRerate(1);
PsndRerate(!first_run);
struct retro_system_av_info av_info;
retro_get_system_av_info(&av_info);
environ_cb(RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO, &av_info);