wfreerdp-server: refactored rdpsnd for multiple subsystems

This commit is contained in:
Corey C 2013-02-15 16:53:32 -05:00
parent 29b94e6787
commit ad16c31723
7 changed files with 235 additions and 181 deletions

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@ -35,6 +35,10 @@ set(${MODULE_PREFIX}_SRCS
wf_peer.h
wf_rdpsnd.c
wf_rdpsnd.h
wf_directsound.c
wf_directsound.h
wf_wasapi.c
wf_wasapi.h
wf_settings.c
wf_settings.h
wf_info.c

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@ -0,0 +1,203 @@
#include "wf_directsound.h"
#include "wf_interface.h"
#include "wf_info.h"
#include "wf_rdpsnd.h"
#include <winpr/windows.h>
#define INITGUID
#include <initguid.h>
#include <objbase.h>
#define CINTERFACE 1
#include <mmsystem.h>
#include <dsound.h>
IDirectSoundCapture8* cap;
IDirectSoundCaptureBuffer8* capBuf;
DSCBUFFERDESC dscbd;
DWORD lastPos;
wfPeerContext* latestPeer;
int wf_directsound_set_latest_peer(wfPeerContext* peer)
{
latestPeer = peer;
return 0;
}
int wf_directsound_activate(rdpsnd_server_context* context)
{
HRESULT hr;
LPDIRECTSOUNDCAPTUREBUFFER pDSCB;
WAVEFORMATEX wfx = {WAVE_FORMAT_PCM, 2, 44100, 176400, 4, 16, 0};
printf("RDPSND (direct sound) Activated\n");
hr = DirectSoundCaptureCreate8(NULL, &cap, NULL);
if (FAILED(hr))
{
_tprintf(_T("Failed to create sound capture device\n"));
return;
}
_tprintf(_T("Created sound capture device\n"));
dscbd.dwSize = sizeof(DSCBUFFERDESC);
dscbd.dwFlags = 0;
dscbd.dwBufferBytes = 176400;
dscbd.dwReserved = 0;
dscbd.lpwfxFormat = &wfx;
dscbd.dwFXCount = 0;
dscbd.lpDSCFXDesc = NULL;
hr = cap->lpVtbl->CreateCaptureBuffer(cap, &dscbd, &pDSCB, NULL);
if (FAILED(hr))
{
_tprintf(_T("Failed to create capture buffer\n"));
}
_tprintf(_T("Created capture buffer"));
hr = pDSCB->lpVtbl->QueryInterface(pDSCB, &IID_IDirectSoundCaptureBuffer8, (LPVOID*)&capBuf);
if (FAILED(hr))
{
_tprintf(_T("Failed to QI capture buffer\n"));
}
_tprintf(_T("Created IDirectSoundCaptureBuffer8\n"));
pDSCB->lpVtbl->Release(pDSCB);
context->SelectFormat(context, 4);
context->SetVolume(context, 0x7FFF, 0x7FFF);
lastPos = 0;
CreateThread(NULL, 0, wf_rdpsnd_directsound_thread, latestPeer, 0, NULL);
return 0;
}
DWORD WINAPI wf_rdpsnd_directsound_thread(LPVOID lpParam)
{
HRESULT hr;
DWORD beg = 0;
DWORD end = 0;
DWORD diff, rate;
wfPeerContext* context;
wfInfo* wfi;
VOID* pbCaptureData = NULL;
DWORD dwCaptureLength = 0;
VOID* pbCaptureData2 = NULL;
DWORD dwCaptureLength2 = 0;
VOID* pbPlayData = NULL;
DWORD dwReadPos = 0;
LONG lLockSize = 0;
wfi = wf_info_get_instance();
context = (wfPeerContext*)lpParam;
rate = 1000 / 24;
_tprintf(_T("Trying to start capture\n"));
hr = capBuf->lpVtbl->Start(capBuf, DSCBSTART_LOOPING);
if (FAILED(hr))
{
_tprintf(_T("Failed to start capture\n"));
}
_tprintf(_T("Capture started\n"));
while (1)
{
end = GetTickCount();
diff = end - beg;
if (diff < rate)
{
Sleep(rate - diff);
}
beg = GetTickCount();
if (wf_rdpsnd_lock() > 0)
{
//check for main exit condition
if (wfi->snd_stop == TRUE)
{
wf_rdpsnd_unlock();
break;
}
hr = capBuf->lpVtbl->GetCurrentPosition(capBuf, NULL, &dwReadPos);
if (FAILED(hr))
{
_tprintf(_T("Failed to get read pos\n"));
wf_rdpsnd_unlock();
break;
}
lLockSize = dwReadPos - lastPos;//dscbd.dwBufferBytes;
if (lLockSize < 0) lLockSize += dscbd.dwBufferBytes;
//printf("Last, read, lock = [%d, %d, %d]\n", lastPos, dwReadPos, lLockSize);
if (lLockSize == 0)
{
wf_rdpsnd_unlock();
continue;
}
hr = capBuf->lpVtbl->Lock(capBuf, lastPos, lLockSize, &pbCaptureData, &dwCaptureLength, &pbCaptureData2, &dwCaptureLength2, 0L);
if (FAILED(hr))
{
_tprintf(_T("Failed to lock sound capture buffer\n"));
wf_rdpsnd_unlock();
break;
}
//fwrite(pbCaptureData, 1, dwCaptureLength, pFile);
//fwrite(pbCaptureData2, 1, dwCaptureLength2, pFile);
//FIXME: frames = bytes/(bytespersample * channels)
context->rdpsnd->SendSamples(context->rdpsnd, pbCaptureData, dwCaptureLength/4);
context->rdpsnd->SendSamples(context->rdpsnd, pbCaptureData2, dwCaptureLength2/4);
hr = capBuf->lpVtbl->Unlock(capBuf, pbCaptureData, dwCaptureLength, pbCaptureData2, dwCaptureLength2);
if (FAILED(hr))
{
_tprintf(_T("Failed to unlock sound capture buffer\n"));
wf_rdpsnd_unlock();
return 0;
}
//TODO keep track of location in buffer
lastPos += dwCaptureLength;
lastPos %= dscbd.dwBufferBytes;
lastPos += dwCaptureLength2;
lastPos %= dscbd.dwBufferBytes;
wf_rdpsnd_unlock();
}
}
_tprintf(_T("Trying to stop sound capture\n"));
hr = capBuf->lpVtbl->Stop(capBuf);
if (FAILED(hr))
{
_tprintf(_T("Failed to stop capture\n"));
}
_tprintf(_T("Capture stopped\n"));
capBuf->lpVtbl->Release(capBuf);
cap->lpVtbl->Release(cap);
lastPos = 0;
return 0;
}

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@ -0,0 +1,13 @@
#ifndef WF_DSOUND_H
#define WF_DSOUND_H
#include <freerdp/server/rdpsnd.h>
#include "wf_interface.h"
int wf_directsound_set_latest_peer(wfPeerContext* peer);
int wf_directsound_activate(rdpsnd_server_context* context);
DWORD WINAPI wf_rdpsnd_directsound_thread(LPVOID lpParam);
#endif

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@ -3,6 +3,7 @@
* FreeRDP Windows Server (Audio Output)
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2013 Corey Clayton <can.of.tuna@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -37,21 +38,16 @@
#include <freerdp/server/rdpsnd.h>
#include "wf_rdpsnd.h"
#include "wf_directsound.h"
#include "wf_info.h"
/*
* Here are some temp things that shall be moved
*
*/
IDirectSoundCapture8* cap;
IDirectSoundCaptureBuffer8* capBuf;
DSCBUFFERDESC dscbd;
DWORD lastPos;
#define BYTESPERSEC 176400
//#define BYTESPERSEC 176400
//FIXME support multiple clients
wfPeerContext* latestPeer;
//wfPeerContext* latestPeer;
static const rdpsndFormat test_audio_formats[] =
{
@ -69,53 +65,8 @@ static const rdpsndFormat test_audio_formats[] =
static void wf_peer_rdpsnd_activated(rdpsnd_server_context* context)
{
HRESULT hr;
LPDIRECTSOUNDCAPTUREBUFFER pDSCB;
WAVEFORMATEX wfx = {WAVE_FORMAT_PCM, 2, 44100, BYTESPERSEC, 4, 16, 0};
printf("RDPSND Activated\n");
hr = DirectSoundCaptureCreate8(NULL, &cap, NULL);
if (FAILED(hr))
{
_tprintf(_T("Failed to create sound capture device\n"));
return;
}
_tprintf(_T("Created sound capture device\n"));
dscbd.dwSize = sizeof(DSCBUFFERDESC);
dscbd.dwFlags = 0;
dscbd.dwBufferBytes = BYTESPERSEC;
dscbd.dwReserved = 0;
dscbd.lpwfxFormat = &wfx;
dscbd.dwFXCount = 0;
dscbd.lpDSCFXDesc = NULL;
hr = cap->lpVtbl->CreateCaptureBuffer(cap, &dscbd, &pDSCB, NULL);
if (FAILED(hr))
{
_tprintf(_T("Failed to create capture buffer\n"));
}
_tprintf(_T("Created capture buffer"));
hr = pDSCB->lpVtbl->QueryInterface(pDSCB, &IID_IDirectSoundCaptureBuffer8, (LPVOID*)&capBuf);
if (FAILED(hr))
{
_tprintf(_T("Failed to QI capture buffer\n"));
}
_tprintf(_T("Created IDirectSoundCaptureBuffer8\n"));
pDSCB->lpVtbl->Release(pDSCB);
context->SelectFormat(context, 4);
context->SetVolume(context, 0x7FFF, 0x7FFF);
lastPos = 0;
CreateThread(NULL, 0, wf_rdpsnd_thread, latestPeer, 0, NULL);
wf_directsound_activate(context);
}
@ -186,131 +137,9 @@ BOOL wf_peer_rdpsnd_init(wfPeerContext* context)
context->rdpsnd->Initialize(context->rdpsnd);
latestPeer = context;
wf_directsound_set_latest_peer(context);
wfi->snd_stop = FALSE;
return TRUE;
}
DWORD WINAPI wf_rdpsnd_thread(LPVOID lpParam)
{
HRESULT hr;
DWORD beg = 0;
DWORD end = 0;
DWORD diff, rate;
wfPeerContext* context;
wfInfo* wfi;
VOID* pbCaptureData = NULL;
DWORD dwCaptureLength = 0;
VOID* pbCaptureData2 = NULL;
DWORD dwCaptureLength2 = 0;
VOID* pbPlayData = NULL;
DWORD dwReadPos = 0;
LONG lLockSize = 0;
wfi = wf_info_get_instance();
context = (wfPeerContext*)lpParam;
rate = 1000 / 24;
_tprintf(_T("Trying to start capture\n"));
hr = capBuf->lpVtbl->Start(capBuf, DSCBSTART_LOOPING);
if (FAILED(hr))
{
_tprintf(_T("Failed to start capture\n"));
}
_tprintf(_T("Capture started\n"));
while (1)
{
end = GetTickCount();
diff = end - beg;
if (diff < rate)
{
Sleep(rate - diff);
}
beg = GetTickCount();
if (wf_rdpsnd_lock() > 0)
{
//check for main exit condition
if (wfi->snd_stop == TRUE)
{
wf_rdpsnd_unlock();
break;
}
hr = capBuf->lpVtbl->GetCurrentPosition(capBuf, NULL, &dwReadPos);
if (FAILED(hr))
{
_tprintf(_T("Failed to get read pos\n"));
wf_rdpsnd_unlock();
break;
}
lLockSize = dwReadPos - lastPos;//dscbd.dwBufferBytes;
if (lLockSize < 0) lLockSize += dscbd.dwBufferBytes;
//printf("Last, read, lock = [%d, %d, %d]\n", lastPos, dwReadPos, lLockSize);
if (lLockSize == 0)
{
wf_rdpsnd_unlock();
continue;
}
hr = capBuf->lpVtbl->Lock(capBuf, lastPos, lLockSize, &pbCaptureData, &dwCaptureLength, &pbCaptureData2, &dwCaptureLength2, 0L);
if (FAILED(hr))
{
_tprintf(_T("Failed to lock sound capture buffer\n"));
wf_rdpsnd_unlock();
break;
}
//fwrite(pbCaptureData, 1, dwCaptureLength, pFile);
//fwrite(pbCaptureData2, 1, dwCaptureLength2, pFile);
//FIXME: frames = bytes/(bytespersample * channels)
context->rdpsnd->SendSamples(context->rdpsnd, pbCaptureData, dwCaptureLength/4);
context->rdpsnd->SendSamples(context->rdpsnd, pbCaptureData2, dwCaptureLength2/4);
hr = capBuf->lpVtbl->Unlock(capBuf, pbCaptureData, dwCaptureLength, pbCaptureData2, dwCaptureLength2);
if (FAILED(hr))
{
_tprintf(_T("Failed to unlock sound capture buffer\n"));
wf_rdpsnd_unlock();
return 0;
}
//TODO keep track of location in buffer
lastPos += dwCaptureLength;
lastPos %= dscbd.dwBufferBytes;
lastPos += dwCaptureLength2;
lastPos %= dscbd.dwBufferBytes;
wf_rdpsnd_unlock();
}
}
_tprintf(_T("Trying to stop sound capture\n"));
hr = capBuf->lpVtbl->Stop(capBuf);
if (FAILED(hr))
{
_tprintf(_T("Failed to stop capture\n"));
}
_tprintf(_T("Capture stopped\n"));
capBuf->lpVtbl->Release(capBuf);
cap->lpVtbl->Release(cap);
lastPos = 0;
return 0;
}

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@ -30,7 +30,6 @@ int wf_rdpsnd_lock();
int wf_rdpsnd_unlock();
BOOL wf_peer_rdpsnd_init(wfPeerContext* context);
DWORD WINAPI wf_rdpsnd_thread(LPVOID lpParam);
#endif /* WF_RDPSND_H */

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@ -0,0 +1,6 @@
#ifndef WF_WASAPI_H
#define WF_WASAPI_H
//..
#endif