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finalize microphone code (hooked to all settings etc)

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also add volume setting
This commit is contained in:
StapleButter
2018-12-14 05:15:57 +01:00
parent 8372edac0c
commit c7433ca664
3 changed files with 129 additions and 43 deletions
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145
src/libui_sdl/main.cpp
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@ -112,13 +112,15 @@ u32 KeyInputMask;
bool LidCommand, LidStatus;
SDL_Joystick* Joystick;
const u32 kMicBufferSize = 2048; // must be power of two
s16 MicBuffer[kMicBufferSize];
u32 MicBufferLength = 2048;
s16 MicBuffer[2048];
u32 MicBufferReadPos, MicBufferWritePos;
u32 MicWavLength;
s16* MicWavBuffer;
u32 MicCommand;
void SetupScreenRects(int width, int height);
@ -151,9 +153,13 @@ void MicLoadWav(char* name)
SDL_AudioSpec format;
memset(&format, 0, sizeof(SDL_AudioSpec));
if (MicWavBuffer) delete[] MicWavBuffer;
MicWavLength = 0;
u8* buf;
u32 len;
SDL_LoadWAV(name, &format, &buf, &len);
if (!SDL_LoadWAV(name, &format, &buf, &len))
return;
const int dstfreq = 44100;
@ -163,6 +169,7 @@ void MicLoadWav(char* name)
len /= 2;
MicWavLength = (len * dstfreq) / format.freq;
if (MicWavLength < 735) MicWavLength = 735;
MicWavBuffer = new s16[MicWavLength];
float res_incr = len / (float)MicWavLength;
@ -189,6 +196,7 @@ void MicLoadWav(char* name)
int srcinc = format.channels;
MicWavLength = (len * dstfreq) / format.freq;
if (MicWavLength < 735) MicWavLength = 735;
MicWavBuffer = new s16[MicWavLength];
float res_incr = len / (float)MicWavLength;
@ -212,6 +220,8 @@ void MicLoadWav(char* name)
}
else
printf("bad WAV format %08X\n", format.format);
SDL_FreeWAV(buf);
}
@ -248,11 +258,13 @@ void AudioCallback(void* data, Uint8* stream, int len)
float res_timer = 0;
int res_pos = 0;
int volume = Config::AudioVolume;
for (int i = 0; i < 1024; i++)
{
// TODO: interp!!
buf_out[i*2 ] = buf_in[res_pos*2 ];
buf_out[i*2+1] = buf_in[res_pos*2+1];
buf_out[i*2 ] = (buf_in[res_pos*2 ] * volume) >> 8;
buf_out[i*2+1] = (buf_in[res_pos*2+1] * volume) >> 8;
res_timer += res_incr;
while (res_timer >= 1.0)
@ -265,19 +277,23 @@ void AudioCallback(void* data, Uint8* stream, int len)
void MicCallback(void* data, Uint8* stream, int len)
{
if (Config::MicInputType != 1) return;
s16* input = (s16*)stream;
len /= sizeof(s16);
if ((MicBufferWritePos + len) > kMicBufferSize)
if ((MicBufferWritePos + len) > MicBufferLength)
{
u32 len1 = kMicBufferSize-MicBufferWritePos;
u32 len1 = MicBufferLength - MicBufferWritePos;
memcpy(&MicBuffer[MicBufferWritePos], &input[0], len1*sizeof(s16));
memcpy(&MicBuffer[0], &input[len1], (len-len1)*sizeof(s16));
memcpy(&MicBuffer[0], &input[len1], (len - len1)*sizeof(s16));
MicBufferWritePos = len - len1;
}
else
{
memcpy(&MicBuffer[MicBufferWritePos], input, len*sizeof(s16));
MicBufferWritePos += len;
MicBufferWritePos &= (kMicBufferSize-1);
MicBufferWritePos += len;
}
}
bool JoyButtonPressed(int btnid, int njoybuttons, Uint8* joybuttons, Uint32 hat)
@ -297,6 +313,67 @@ bool JoyButtonPressed(int btnid, int njoybuttons, Uint8* joybuttons, Uint32 hat)
return pressed;
}
void FeedMicInput()
{
int type = Config::MicInputType;
if (type != 1 && MicCommand == 0)
{
type = 0;
MicBufferReadPos = 0;
}
switch (type)
{
case 0: // no mic
NDS::MicInputFrame(NULL, 0);
break;
case 1: // host mic
if ((MicBufferReadPos + 735) > MicBufferLength)
{
s16 tmp[735];
u32 len1 = MicBufferLength - MicBufferReadPos;
memcpy(&tmp[0], &MicBuffer[MicBufferReadPos], len1*sizeof(s16));
memcpy(&tmp[len1], &MicBuffer[0], (735 - len1)*sizeof(s16));
NDS::MicInputFrame(tmp, 735);
MicBufferReadPos = 735 - len1;
}
else
{
NDS::MicInputFrame(&MicBuffer[MicBufferReadPos], 735);
MicBufferReadPos += 735;
}
break;
case 2: // white noise
{
s16 tmp[735];
for (int i = 0; i < 735; i++) tmp[i] = rand() & 0xFFFF;
NDS::MicInputFrame(tmp, 735);
}
break;
case 3: // WAV
if ((MicBufferReadPos + 735) > MicWavLength)
{
s16 tmp[735];
u32 len1 = MicWavLength - MicBufferReadPos;
memcpy(&tmp[0], &MicWavBuffer[MicBufferReadPos], len1*sizeof(s16));
memcpy(&tmp[len1], &MicWavBuffer[0], (735 - len1)*sizeof(s16));
NDS::MicInputFrame(tmp, 735);
MicBufferReadPos = 735 - len1;
}
else
{
NDS::MicInputFrame(&MicWavBuffer[MicBufferReadPos], 735);
MicBufferReadPos += 735;
}
break;
}
}
int EmuThreadFunc(void* burp)
{
NDS::Init();
@ -311,6 +388,7 @@ int EmuThreadFunc(void* burp)
KeyInputMask = 0xFFF;
LidCommand = false;
LidStatus = false;
MicCommand = 0;
Uint8* joybuttons = NULL; int njoybuttons = 0;
if (Joystick)
@ -333,6 +411,7 @@ int EmuThreadFunc(void* burp)
{
EmuStatus = 1;
// poll input
u32 keymask = KeyInputMask;
u32 joymask = 0xFFF;
@ -372,9 +451,9 @@ int EmuThreadFunc(void* burp)
LidCommand = true;
}
if (JoyButtonPressed(Config::HKJoyMapping[HK_Mic], njoybuttons, joybuttons, hat))
{
// microphone shit here
}
MicCommand |= 2;
else
MicCommand &= ~2;
}
NDS::SetKeyMask(keymask & joymask);
@ -385,30 +464,7 @@ int EmuThreadFunc(void* burp)
}
// microphone input
if ((MicBufferReadPos + 735) > kMicBufferSize)
{
s16 tmp[735];
u32 len1 = kMicBufferSize-MicBufferReadPos;
memcpy(&tmp[0], &MicBuffer[MicBufferReadPos], len1*sizeof(s16));
memcpy(&tmp[len1], &MicBuffer[0], (735-len1)*sizeof(s16));
NDS::MicInputFrame(tmp, 735);
}
else
NDS::MicInputFrame(&MicBuffer[MicBufferReadPos], 735);
MicBufferReadPos += 735;
MicBufferReadPos &= (kMicBufferSize-1);
/*if ((MicBufferReadPos + 735) > MicWavLength)
{
s16 tmp[735];
u32 len1 = MicWavLength-MicBufferReadPos;
memcpy(&tmp[0], &MicWavBuffer[MicBufferReadPos], len1*sizeof(s16));
memcpy(&tmp[len1], &MicWavBuffer[0], (735-len1)*sizeof(s16));
NDS::MicInputFrame(tmp, 735);
}
else
NDS::MicInputFrame(&MicWavBuffer[MicBufferReadPos], 735);
MicBufferReadPos += 735;
MicBufferReadPos %= MicWavLength;*/
FeedMicInput();
// emulate
u32 nlines = NDS::RunFrame();
@ -665,9 +721,9 @@ int OnAreaKeyEvent(uiAreaHandler* handler, uiArea* area, uiAreaKeyEvent* evt)
LidCommand = true;
}
if (evt->Scancode == Config::HKKeyMapping[HK_Mic])
{
// microphone shit here
}
MicCommand |= 1;
else
MicCommand &= ~1;
if (evt->Scancode == 0x57) // F11
NDS::debug(0);
@ -1537,6 +1593,9 @@ int main(int argc, char** argv)
Config::Load();
if (Config::AudioVolume < 0) Config::AudioVolume = 0;
else if (Config::AudioVolume > 256) Config::AudioVolume = 256;
if (!LocalFileExists("bios7.bin") || !LocalFileExists("bios9.bin") || !LocalFileExists("firmware.bin"))
{
uiMsgBoxError(
@ -1788,6 +1847,7 @@ int main(int argc, char** argv)
if (!mic)
{
printf("Mic init failed: %s\n", SDL_GetError());
MicBufferLength = 0;
}
else
{
@ -1798,7 +1858,8 @@ int main(int argc, char** argv)
MicBufferReadPos = 0;
MicBufferWritePos = 0;
//MicLoadWav("blorp.wav");
MicWavBuffer = NULL;
if (Config::MicInputType == 3) MicLoadWav(Config::MicWavPath);
// TODO: support more joysticks
if (SDL_NumJoysticks() > 0)
@ -1838,6 +1899,8 @@ int main(int argc, char** argv)
if (audio) SDL_CloseAudioDevice(audio);
if (mic) SDL_CloseAudioDevice(mic);
if (MicWavBuffer) delete[] MicWavBuffer;
Config::ScreenRotation = ScreenRotation;
Config::ScreenGap = ScreenGap;
Config::ScreenLayout = ScreenLayout;