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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
commita9bcc81f821d7c66f623779fa5147e728eb3c388 (patch)
tree98676963bcdd537ae5908a067a8eb110b93486a6 /server/Windows/wf_directsound.c
parentInitial commit. (diff)
downloadfreerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.tar.xz
freerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.zip
Adding upstream version 3.3.0+dfsg1.upstream/3.3.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'server/Windows/wf_directsound.c')
-rw-r--r--server/Windows/wf_directsound.c219
1 files changed, 219 insertions, 0 deletions
diff --git a/server/Windows/wf_directsound.c b/server/Windows/wf_directsound.c
new file mode 100644
index 0000000..441397a
--- /dev/null
+++ b/server/Windows/wf_directsound.c
@@ -0,0 +1,219 @@
+#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>
+
+#include <freerdp/log.h>
+#define TAG SERVER_TAG("windows")
+
+IDirectSoundCapture8* cap;
+IDirectSoundCaptureBuffer8* capBuf;
+DSCBUFFERDESC dscbd;
+DWORD lastPos;
+wfPeerContext* latestPeer;
+
+int wf_rdpsnd_set_latest_peer(wfPeerContext* peer)
+{
+ latestPeer = peer;
+ return 0;
+}
+
+int wf_directsound_activate(RdpsndServerContext* context)
+{
+ HRESULT hr;
+ wfInfo* wfi;
+ HANDLE hThread;
+
+ LPDIRECTSOUNDCAPTUREBUFFER pDSCB;
+
+ wfi = wf_info_get_instance();
+ if (!wfi)
+ {
+ WLog_ERR(TAG, "Failed to wfi instance");
+ return 1;
+ }
+ WLog_DBG(TAG, "RDPSND (direct sound) Activated");
+ hr = DirectSoundCaptureCreate8(NULL, &cap, NULL);
+
+ if (FAILED(hr))
+ {
+ WLog_ERR(TAG, "Failed to create sound capture device");
+ return 1;
+ }
+
+ WLog_INFO(TAG, "Created sound capture device");
+ dscbd.dwSize = sizeof(DSCBUFFERDESC);
+ dscbd.dwFlags = 0;
+ dscbd.dwBufferBytes = wfi->agreed_format->nAvgBytesPerSec;
+ dscbd.dwReserved = 0;
+ dscbd.lpwfxFormat = wfi->agreed_format;
+ dscbd.dwFXCount = 0;
+ dscbd.lpDSCFXDesc = NULL;
+
+ hr = cap->lpVtbl->CreateCaptureBuffer(cap, &dscbd, &pDSCB, NULL);
+
+ if (FAILED(hr))
+ {
+ WLog_ERR(TAG, "Failed to create capture buffer");
+ }
+
+ WLog_INFO(TAG, "Created capture buffer");
+ hr = pDSCB->lpVtbl->QueryInterface(pDSCB, &IID_IDirectSoundCaptureBuffer8, (LPVOID*)&capBuf);
+ if (FAILED(hr))
+ {
+ WLog_ERR(TAG, "Failed to QI capture buffer");
+ }
+ WLog_INFO(TAG, "Created IDirectSoundCaptureBuffer8");
+ pDSCB->lpVtbl->Release(pDSCB);
+ lastPos = 0;
+
+ if (!(hThread = CreateThread(NULL, 0, wf_rdpsnd_directsound_thread, latestPeer, 0, NULL)))
+ {
+ WLog_ERR(TAG, "Failed to create direct sound thread");
+ return 1;
+ }
+ CloseHandle(hThread);
+
+ return 0;
+}
+
+static 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();
+ if (!wfi)
+ {
+ WLog_ERR(TAG, "Failed get instance");
+ return 1;
+ }
+
+ context = (wfPeerContext*)lpParam;
+ rate = 1000 / 24;
+ WLog_INFO(TAG, "Trying to start capture");
+ hr = capBuf->lpVtbl->Start(capBuf, DSCBSTART_LOOPING);
+ if (FAILED(hr))
+ {
+ WLog_ERR(TAG, "Failed to start capture");
+ }
+ WLog_INFO(TAG, "Capture started");
+
+ 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))
+ {
+ WLog_ERR(TAG, "Failed to get read pos");
+ wf_rdpsnd_unlock();
+ break;
+ }
+
+ lLockSize = dwReadPos - lastPos; // dscbd.dwBufferBytes;
+ if (lLockSize < 0)
+ lLockSize += dscbd.dwBufferBytes;
+
+ // WLog_DBG(TAG, "Last, read, lock = [%"PRIu32", %"PRIu32", %"PRId32"]\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))
+ {
+ WLog_ERR(TAG, "Failed to lock sound capture buffer");
+ 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,
+ (UINT16)(beg & 0xffff));
+ context->rdpsnd->SendSamples(context->rdpsnd, pbCaptureData2, dwCaptureLength2 / 4,
+ (UINT16)(beg & 0xffff));
+
+ hr = capBuf->lpVtbl->Unlock(capBuf, pbCaptureData, dwCaptureLength, pbCaptureData2,
+ dwCaptureLength2);
+ if (FAILED(hr))
+ {
+ WLog_ERR(TAG, "Failed to unlock sound capture buffer");
+ 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();
+ }
+ }
+
+ WLog_INFO(TAG, "Trying to stop sound capture");
+ hr = capBuf->lpVtbl->Stop(capBuf);
+ if (FAILED(hr))
+ {
+ WLog_ERR(TAG, "Failed to stop capture");
+ }
+
+ WLog_INFO(TAG, "Capture stopped");
+ capBuf->lpVtbl->Release(capBuf);
+ cap->lpVtbl->Release(cap);
+
+ lastPos = 0;
+
+ return 0;
+}