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Delegate audio downsampling to the libretro frontend, except on the Wii U. Fixes #677.

This commit is contained in:
Lior Halphon 2025-01-24 14:35:25 +02:00
parent 8924767ee2
commit 1798edf4c1
1 changed files with 8 additions and 8 deletions
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16
libretro/libretro.c
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@ -7,12 +7,8 @@
#include <signal.h>
#include <stdarg.h>
#include <stdlib.h>
#ifndef WIIU
#define AUDIO_FREQUENCY 384000
#else
/* Use the internal sample rate for the Wii U */
#define AUDIO_FREQUENCY 48000
#endif
#define WIIU_SAMPLE_RATE 48000
#ifdef _WIN32
#include <direct.h>
@ -642,7 +638,11 @@ static void init_for_current_model(unsigned id)
GB_set_pixels_output(&gameboy[i],
(uint32_t *)(frame_buf + GB_get_screen_width(&gameboy[0]) * GB_get_screen_height(&gameboy[0]) * i));
GB_set_rgb_encode_callback(&gameboy[i], rgb_encode);
GB_set_sample_rate(&gameboy[i], AUDIO_FREQUENCY);
#ifdef WIIU
GB_set_sample_rate(&gameboy[i], WIIU_SAMPLE_RATE);
#else
GB_set_sample_rate(&gameboy[i], GB_get_clock_rate(&gameboy[i]) / 2);
#endif
GB_apu_set_sample_callback(&gameboy[i], audio_callback);
GB_set_rumble_callback(&gameboy[i], rumble_callback);
@ -1230,7 +1230,7 @@ void retro_get_system_info(struct retro_system_info *info)
void retro_get_system_av_info(struct retro_system_av_info *info)
{
struct retro_game_geometry geom;
struct retro_system_timing timing = { GB_get_usual_frame_rate(&gameboy[0]), AUDIO_FREQUENCY };
struct retro_system_timing timing = { GB_get_usual_frame_rate(&gameboy[0]), GB_get_sample_rate(&gameboy[audio_out])};
if (emulated_devices == 2) {
if (screen_layout == LAYOUT_TOP_DOWN) {