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Add better mic input

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This commit is contained in:
bslenul 2022-11-28 11:51:51 +01:00
parent bd4097f791
commit c1ef036b4f
2 changed files with 54 additions and 5 deletions
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45
src/libretro/libretro.cpp
View File

@ -17,6 +17,7 @@
#include "SPU.h"
#include "version.h"
#include "frontend/FrontendUtil.h"
#include "frontend/mic_blow.h"
#include "input.h"
#include "opengl.h"
@ -61,6 +62,9 @@ static bool hybrid_options = true;
static bool jit_options = true;
#endif
static void Mic_FeedNoise();
static u8 micNoiseType;
enum CurrentRenderer
{
None,
@ -159,7 +163,7 @@ static bool update_option_visibility(void)
}
#endif
// Show/gide Hybrid screen options
// Show/hide Hybrid screen options
bool hybrid_options_prev = hybrid_options;
hybrid_options = true;
@ -551,6 +555,15 @@ static void check_variables(bool init)
Config::DSiSDEnable = 0;
}
var.key = "melonds_mic_input";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (!strcmp(var.value, "Blow Noise"))
micNoiseType = 1;
else
micNoiseType = 0;
}
var.key = "melonds_audio_bitrate";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
@ -580,7 +593,7 @@ static void check_variables(bool init)
{
if (!strcmp(var.value, "disabled"))
Config::FirmwareOverrideSettings = true;
else if (!strcmp(var.value, "enabled"))
else
Config::FirmwareOverrideSettings = false;
}
@ -722,9 +735,14 @@ void retro_run(void)
if (input_state.holding_noise_btn)
{
s16 tmp[735];
for (int i = 0; i < 735; i++) tmp[i] = rand() & 0xFFFF;
NDS::MicInputFrame(tmp, 735);
if (micNoiseType)
Mic_FeedNoise();
else
{
s16 tmp[735];
for (int i = 0; i < 735; i++) tmp[i] = rand() & 0xFFFF;
NDS::MicInputFrame(tmp, 735);
}
}
else
{
@ -751,6 +769,23 @@ void retro_run(void)
NDSCart_SRAMManager::Flush();
}
void Mic_FeedNoise()
{
int sample_len = sizeof(mic_blow) / sizeof(u16);
static int sample_pos = 0;
s16 tmp[735];
for (int i = 0; i < 735; i++)
{
tmp[i] = mic_blow[sample_pos];
sample_pos++;
if (sample_pos >= sample_len) sample_pos = 0;
}
NDS::MicInputFrame(tmp, 735);
}
static bool _handle_load_game(unsigned type, const struct retro_game_info *info)
{
/*

14
src/libretro/libretro_core_options.h
View File

@ -249,6 +249,20 @@ struct retro_core_option_v2_definition option_defs_us[] = {
"nearest"
},
#endif
{
"melonds_mic_input",
"Microphone Input",
NULL,
"Choose the type of noise that will be used as microphone input.",
NULL,
"audio",
{
{ "Blow Noise", NULL },
{ "White Noise", NULL },
{ NULL, NULL },
},
"Blow Noise"
},
{
"melonds_audio_bitrate",
"Audio Bitrate",