mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-09-21 11:51:48 +02:00
Fix gamecube microphone (button not implemented, yet :p).
Calls ExpansionInterface::UpdateInterrupts just before checking exceptions now.
This commit is contained in:
Shawn Hoffman
parent
856972f808
commit
5dc866bfc9
5 changed files with 226 additions and 246 deletions
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@ -127,7 +127,7 @@ IEXIDevice* EXIDevice_Create(TEXIDevices _EXIDevice)
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break;
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case EXIDEVICE_MIC:
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return new CEXIMic(1);
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return new CEXIMic();
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break;
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case EXIDEVICE_ETH:
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@ -16,115 +16,131 @@
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// http://code.google.com/p/dolphin-emu/
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#include "Common.h"
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#if HAVE_PORTAUDIO
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#include "FileUtil.h"
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#include "StringUtil.h"
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#include "../Core.h"
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#include "../CoreTiming.h"
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#include "SystemTimers.h"
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#include "EXI_Device.h"
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#include "EXI_DeviceMic.h"
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// Unfortunately this must be enabled in Common.h for windows users. Scons should enable it otherwise
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#if !HAVE_PORTAUDIO
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void SetMic(bool Value){}
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CEXIMic::CEXIMic(int _Index){}
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CEXIMic::~CEXIMic(){}
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bool CEXIMic::IsPresent() {return false;}
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void CEXIMic::SetCS(int cs){}
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void CEXIMic::Update(){}
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void CEXIMic::TransferByte(u8 &byte){}
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bool CEXIMic::IsInterruptSet(){return false;}
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#else
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// We use PortAudio for cross-platform audio input.
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// It needs the headers and a lib file for the dll
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#include <portaudio.h>
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#ifdef _WIN32
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#pragma comment(lib, "C:/Users/Shawn/Desktop/portaudio/portaudio-v19/portaudio_x64.lib")
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#endif
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static bool pa_init = false;
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static bool MicButton = false;
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static bool IsOpen;
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union InputData
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void CEXIMic::StreamLog(const char *msg)
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{
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s16 word;
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u8 byte[2];
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};
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InputData inputData[64]; // 64 words = Max 128 bytes returned????
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PaStream *stream;
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PaError err;
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unsigned short SFreq;
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unsigned short SNum;
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bool m_bInterruptSet;
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bool Sampling;
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void SetMic(bool Value)
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{
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MicButton = Value;
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if(Sampling)
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Pa_StartStream( stream );
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else
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Pa_StopStream( stream );
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DEBUG_LOG(EXPANSIONINTERFACE, "%s: %s",
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msg, Pa_GetErrorText(pa_error));
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}
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int patestCallback( const void *inputBuffer, void *outputBuffer,
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unsigned long frameCount,
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const PaStreamCallbackTimeInfo* timeInfo,
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PaStreamCallbackFlags statusFlags,
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void *userData )
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void CEXIMic::StreamInit()
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{
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s16 *data = (s16*)inputBuffer;
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//s16 *out = (s16*)outputBuffer;
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if (!m_bInterruptSet && Sampling)
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// Setup the wonderful c-interfaced lib...
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pa_error = paNoError;
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if (!pa_init)
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{
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for(unsigned int i = 0; i < SNum; ++i)
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pa_error = Pa_Initialize();
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if (pa_error != paNoError)
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{
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inputData[i].word = data[i];
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//out[i] = inputData[i].word;
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StreamLog("Pa_Initialize");
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}
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m_bInterruptSet = true;
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else
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pa_init = true;
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}
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return paContinue;
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mic_count++;
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}
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void CEXIMic::StreamTerminate()
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{
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// TODO keep track of number of mics...
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if (pa_init && --mic_count <= 0)
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pa_error = Pa_Terminate();
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if (pa_error != paNoError)
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{
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StreamLog("Pa_Terminate");
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}
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else
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pa_init = false;
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}
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void CEXIMic::StreamStart()
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{
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// Open stream with current parameters
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if (pa_init)
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{
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pa_error = Pa_OpenDefaultStream(&pa_stream, 1, 0, paInt16,
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sample_rate, buff_size_samples, NULL, NULL);
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StreamLog("Pa_OpenDefaultStream");
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pa_error = Pa_StartStream(pa_stream);
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StreamLog("Pa_StartStream");
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}
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}
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void CEXIMic::StreamStop()
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{
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// Acts as if Pa_AbortStream was called
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pa_error = Pa_CloseStream(pa_stream);
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StreamLog("Pa_CloseStream");
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}
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void CEXIMic::StreamReadOne()
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{
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// Returns num samples or error
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pa_error = Pa_GetStreamReadAvailable(pa_stream);
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if (pa_error >= buff_size_samples)
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{
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pa_error = Pa_ReadStream(pa_stream, ring_buffer, buff_size_samples);
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if (pa_error != paNoError)
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{
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status.buff_ovrflw = 1;
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// Input overflowed - is re-setting the stream the only to recover?
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StreamLog("Pa_ReadStream");
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StreamStop();
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StreamStart();
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}
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}
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}
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// EXI Mic Device
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// This works by opening and starting a portaudio input stream when the is_active
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// bit is set. The interrupt is scheduled in the future based on sample rate and
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// buffer size settings. When the console handles the interrupt, it will send
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// cmdGetBuffer, which is when we actually read data from a buffer portaudio fills
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// in the background (ie on demand instead of realtime). Because of this we need
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// to clear portaudio's buffer if emulation speed drops below realtime, or else
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// a bad audio lag develops. It's actually kind of convenient because it gives
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// us a way to detect if buff_ovrflw should be set.
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CEXIMic::CEXIMic(int _Index)
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u8 const CEXIMic::exi_id[] = { 0, 0x0a, 0, 0, 0 };
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int CEXIMic::mic_count = 0;
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CEXIMic::CEXIMic()
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{
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Index = _Index;
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memset(&inputData, 0 , sizeof(inputData));
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memset(&Status.U16, 0 , sizeof(u16));
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status.U16 = 0;
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command = 0;
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m_uPosition = 0;
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m_bInterruptSet = false;
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MicButton = false;
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IsOpen = false;
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err = Pa_Initialize();
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if (err != paNoError)
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ERROR_LOG(EXPANSIONINTERFACE, "EXI MIC: PortAudio Initialize error %s", Pa_GetErrorText(err));
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m_position = 0;
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ring_pos = 0;
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next_int_ticks = 0;
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StreamInit();
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}
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CEXIMic::~CEXIMic()
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{
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err = Pa_CloseStream( stream );
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if (err != paNoError)
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ERROR_LOG(EXPANSIONINTERFACE, "EXI MIC: PortAudio Close error %s", Pa_GetErrorText(err));
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err = Pa_Terminate();
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if (err != paNoError)
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ERROR_LOG(EXPANSIONINTERFACE, "EXI MIC: PortAudio Terminate error %s", Pa_GetErrorText(err));
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StreamTerminate();
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}
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bool CEXIMic::IsPresent()
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bool CEXIMic::IsPresent()
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{
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return true;
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}
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@ -132,38 +148,26 @@ bool CEXIMic::IsPresent()
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void CEXIMic::SetCS(int cs)
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{
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if (cs) // not-selected to selected
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m_uPosition = 0;
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else
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{
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switch (command)
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{
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case cmdID:
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case cmdGetStatus:
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case cmdSetStatus:
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case cmdGetBuffer:
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break;
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case cmdWakeUp:
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// This is probably not a command, but anyway...
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// The command 0xff seems to be used to get in sync with the microphone or to wake it up.
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// Normally, it is issued before any other command, or to recover from errors.
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WARN_LOG(EXPANSIONINTERFACE, "EXI MIC: WakeUp cmd");
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break;
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default:
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WARN_LOG(EXPANSIONINTERFACE, "EXI MIC: unknown CS command %02x\n", command);
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break;
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}
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}
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m_position = 0;
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// Doesn't appear to do anything we care about
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//else if (command == cmdReset)
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}
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void CEXIMic::Update()
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void CEXIMic::UpdateNextInterruptTicks()
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{
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next_int_ticks = CoreTiming::GetTicks() +
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(SystemTimers::GetTicksPerSecond() / sample_rate) * buff_size_samples;
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}
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bool CEXIMic::IsInterruptSet()
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{
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if(m_bInterruptSet)
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if (next_int_ticks && CoreTiming::GetTicks() >= next_int_ticks)
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{
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m_bInterruptSet = false;
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if (status.is_active)
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UpdateNextInterruptTicks();
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else
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next_int_ticks = 0;
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return true;
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}
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else
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@ -174,124 +178,66 @@ bool CEXIMic::IsInterruptSet()
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void CEXIMic::TransferByte(u8 &byte)
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{
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if (m_uPosition == 0)
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if (m_position == 0)
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{
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command = byte; // first byte is command
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byte = 0xFF; // would be tristate, but we don't care.
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}
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else
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{
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switch (command)
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{
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case cmdID:
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if (m_uPosition == 1)
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;//byte = 0x80; // dummy cycle - taken from memcard, it doesn't seem to need it here
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else
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byte = (u8)(EXI_DEVTYPE_MIC >> (24-(((m_uPosition-2) & 3) * 8)));
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break;
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case cmdGetStatus:
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{
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if (m_uPosition != 1 && m_uPosition != 2)
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WARN_LOG(EXPANSIONINTERFACE, "EXI MIC: WARNING GetStatus @ pos: %d should never happen", m_uPosition);
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if((!Status.button && MicButton)||(Status.button && !MicButton))
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WARN_LOG(EXPANSIONINTERFACE, "EXI MIC: Mic button %s", MicButton ? "pressed" : "released");
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Status.button = MicButton ? 1 : 0;
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byte = Status.U8[ (m_uPosition - 1) ? 0 : 1];
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INFO_LOG(EXPANSIONINTERFACE, "EXI MIC: Status is 0x%04x", Status.U16);
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}
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break;
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case cmdSetStatus:
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{
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// 0x80 0xXX 0xYY
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// cmd pos1 pos2
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// Here we assign the byte to the proper place in Status and update portaudio settings
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Status.U8[ (m_uPosition - 1) ? 0 : 1] = byte;
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if(m_uPosition == 2)
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{
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Sampling = (Status.sampling == 1) ? true : false;
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switch (Status.sRate)
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{
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case 0:
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SFreq = 11025;
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break;
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case 1:
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SFreq = 22050;
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break;
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case 2:
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SFreq = 44100;
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break;
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default:
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ERROR_LOG(EXPANSIONINTERFACE, "EXI MIC: Trying to set unknown sampling rate");
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SFreq = 44100;
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break;
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}
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switch (Status.pLength)
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{
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case 0:
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SNum = 32;
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break;
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case 1:
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SNum = 64;
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break;
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case 2:
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SNum = 128;
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break;
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default:
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ERROR_LOG(EXPANSIONINTERFACE, "EXI MIC: Trying to set unknown period length");
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SNum = 128;
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break;
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}
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DEBUG_LOG(EXPANSIONINTERFACE, "//////////////////////////////////////////////////////////////////////////");
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DEBUG_LOG(EXPANSIONINTERFACE, "EXI MIC: Status is now 0x%04x", Status.U16);
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DEBUG_LOG(EXPANSIONINTERFACE, "\tbutton %i\tsRate %i\tpLength %i\tsampling %i\n",
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Status.button, SFreq, SNum, Status.sampling);
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if(!IsOpen)
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{
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// Open Our PortAudio Stream
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// (shuffle2) This (and the callback) could still be wrong
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err = Pa_OpenDefaultStream(
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&stream, // Our PaStream
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1, // Input Channels
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0, // Output Channels
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paInt16, // Output format - GC wants PCM samples in signed 16-bit format
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SFreq, // Sample Rate
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SNum, // Period Length (frames per buffer)
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patestCallback,// Our callback!
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NULL); // Pointer passed to our callback
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if (err != paNoError)
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{
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ERROR_LOG(EXPANSIONINTERFACE, "EXI MIC: PortAudio error %s", Pa_GetErrorText(err));
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}
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else
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IsOpen = true;
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}
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}
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}
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break;
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case cmdGetBuffer:
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{
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int pos = m_uPosition - 1;
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// (sonicadvance1)I think if we set the Interrupt to false, it reads another 64
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// Will Look in to it.
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// (shuffle2)Seems like games just continuously get the buffer as long as
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// they're sampling and the mic is generating interrupts
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byte = inputData[pos].byte[ (pos & 1) ? 0 : 1 ];
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INFO_LOG(EXPANSIONINTERFACE, "EXI MIC: GetBuffer%s%d/%d byte: 0x%02x",
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(pos > 9) ? " " : " ", pos, SNum, byte);
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}
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break;
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default:
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ERROR_LOG(EXPANSIONINTERFACE, "EXI MIC: unknown command byte %02x\n", command);
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break;
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}
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m_position++;
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return;
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}
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m_uPosition++;
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int pos = m_position - 1;
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switch (command)
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{
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case cmdID:
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byte = exi_id[pos];
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break;
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case cmdGetStatus:
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byte = status.U8[pos ^ 1];
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if (pos == 1 && status.buff_ovrflw)
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status.buff_ovrflw = 0;
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break;
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case cmdSetStatus:
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{
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bool wasactive = status.is_active;
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status.U8[pos ^ 1] = byte;
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// safe to do since these can only be entered if both bytes of status have been written
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if (!wasactive && status.is_active)
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{
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sample_rate = rate_base << status.sample_rate;
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buff_size = ring_base << status.buff_size;
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buff_size_samples = buff_size / sample_size;
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UpdateNextInterruptTicks();
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StreamStart();
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}
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else if (wasactive && !status.is_active)
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{
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StreamStop();
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}
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}
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break;
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case cmdGetBuffer:
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if (ring_pos == 0)
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{
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// Can set buff_ovrflw
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StreamReadOne();
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}
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byte = ring_buffer[ring_pos ^ 1];
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ring_pos = (ring_pos + 1) % buff_size;
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break;
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default:
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ERROR_LOG(EXPANSIONINTERFACE, "EXI MIC: unknown command byte %02x", command);
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break;
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}
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m_position++;
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}
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#endif
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@ -18,58 +18,90 @@
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#ifndef _EXI_DEVICEMIC_H
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#define _EXI_DEVICEMIC_H
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#if HAVE_PORTAUDIO
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class CEXIMic : public IEXIDevice
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{
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public:
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CEXIMic(int _Index);
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CEXIMic();
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virtual ~CEXIMic();
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void SetCS(int cs);
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void Update();
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bool IsInterruptSet();
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bool IsPresent();
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private:
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static int mic_count;
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static u8 const exi_id[];
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static int const sample_size = sizeof(s16);
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static int const rate_base = 11025;
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static int const ring_base = 32;
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enum
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{
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EXI_DEVTYPE_MIC = 0x0A000000
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};
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enum
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{
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cmdID = 0x00,
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cmdGetStatus = 0x40,
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cmdSetStatus = 0x80,
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cmdGetBuffer = 0x20,
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cmdWakeUp = 0xFF,
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cmdReset = 0xFF,
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};
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// STATE_TO_SAVE
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int interruptSwitch;
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u32 m_position;
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int command;
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union uStatus
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union UStatus
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{
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u16 U16;
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u8 U8[2];
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struct
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{
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u16 :8; // Unknown
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u16 button :1; // 1: Button Pressed
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u16 unk1 :1; // 1 ? Overflow?
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u16 unk2 :1; // Unknown related to 0 and 15 values It seems
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u16 sRate :2; // Sample Rate, 00-11025, 01-22050, 10-44100, 11-??
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u16 pLength :2; // Period Length, 00-32, 01-64, 10-128, 11-???
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||||
u16 sampling :1; // If We Are Sampling or Not
|
||||
u16 out :4; // MICSet/GetOut...???
|
||||
u16 button :5; // Buttons. Top bit is mic button. Lowest bit is used for MICGetDeviceID (always 0)
|
||||
u16 buff_ovrflw :1; // Ring buffer wrote over bytes which weren't read by console
|
||||
u16 gain :1; // Gain: 0dB or 15dB
|
||||
u16 sample_rate :2; // Sample rate, 00-11025, 01-22050, 10-44100, 11-??
|
||||
u16 buff_size :2; // Ring buffer size in bytes, 00-32, 01-64, 10-128, 11-???
|
||||
u16 is_active :1; // If we are sampling or not
|
||||
};
|
||||
};
|
||||
int Index;
|
||||
u32 m_uPosition;
|
||||
uStatus Status;
|
||||
UStatus status;
|
||||
|
||||
// status bits converted to nice numbers
|
||||
int sample_rate;
|
||||
int buff_size;
|
||||
int buff_size_samples;
|
||||
|
||||
// 64 is the max size, can be 16 or 32 as well
|
||||
int ring_pos;
|
||||
u8 ring_buffer[64 * sample_size];
|
||||
|
||||
// 0 to disable interrupts, else it will be checked against current cpu ticks
|
||||
// to determine if interrupt should be raised
|
||||
u64 next_int_ticks;
|
||||
void UpdateNextInterruptTicks();
|
||||
|
||||
// Streaming input interface
|
||||
int pa_error; // PaError
|
||||
void *pa_stream; // PaStream
|
||||
|
||||
void StreamLog(const char *msg);
|
||||
void StreamInit();
|
||||
void StreamTerminate();
|
||||
void StreamStart();
|
||||
void StreamStop();
|
||||
void StreamReadOne();
|
||||
|
||||
protected:
|
||||
virtual void TransferByte(u8 &byte);
|
||||
};
|
||||
|
||||
void SetMic(bool Value);
|
||||
#else // HAVE_PORTAUDIO
|
||||
|
||||
class CEXIMic : public IEXIDevice
|
||||
{
|
||||
public:
|
||||
CEXIMic() {}
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
#endif // _EXI_DEVICEMIC_H
|
||||
|
|
|
|||
|
|
@ -206,14 +206,11 @@ void Jit64AsmRoutineManager::Generate()
|
|||
ABI_CallFunction(reinterpret_cast<void *>(&CoreTiming::Advance));
|
||||
|
||||
testExceptions = GetCodePtr();
|
||||
TEST(32, M((void *)&PowerPC::ppcState.Exceptions), Imm32(0xFFFFFFFF));
|
||||
FixupBranch skipExceptions = J_CC(CC_Z);
|
||||
MOV(32, R(EAX), M(&PC));
|
||||
MOV(32, M(&NPC), R(EAX));
|
||||
ABI_CallFunction(reinterpret_cast<void *>(&PowerPC::CheckExceptions));
|
||||
MOV(32, R(EAX), M(&NPC));
|
||||
MOV(32, M(&PC), R(EAX));
|
||||
SetJumpTarget(skipExceptions);
|
||||
MOV(32, R(EAX), M(&PC));
|
||||
MOV(32, M(&NPC), R(EAX));
|
||||
ABI_CallFunction(reinterpret_cast<void *>(&PowerPC::CheckExceptions));
|
||||
MOV(32, R(EAX), M(&NPC));
|
||||
MOV(32, M(&PC), R(EAX));
|
||||
|
||||
TEST(32, M((void*)PowerPC::GetStatePtr()), Imm32(0xFFFFFFFF));
|
||||
J_CC(CC_Z, outerLoop, true);
|
||||
|
|
|
|||
|
|
@ -37,6 +37,7 @@
|
|||
#include "CPUCoreBase.h"
|
||||
|
||||
#include "../Host.h"
|
||||
#include "HW/EXI.h"
|
||||
|
||||
CPUCoreBase *cpu_core_base;
|
||||
|
||||
|
|
@ -268,6 +269,10 @@ void Stop()
|
|||
|
||||
void CheckExceptions()
|
||||
{
|
||||
// Make sure we are checking against the latest EXI status. This is required
|
||||
// for devices which interrupt frequently, such as the gc mic
|
||||
ExpansionInterface::UpdateInterrupts();
|
||||
|
||||
// Read volatile data once
|
||||
u32 exceptions = ppcState.Exceptions;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue