diff options
Diffstat (limited to 'pjmedia/src/pjmedia/portaudio/dsound_wrapper.h')
| -rw-r--r-- | pjmedia/src/pjmedia/portaudio/dsound_wrapper.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/pjmedia/src/pjmedia/portaudio/dsound_wrapper.h b/pjmedia/src/pjmedia/portaudio/dsound_wrapper.h new file mode 100644 index 00000000..76087908 --- /dev/null +++ b/pjmedia/src/pjmedia/portaudio/dsound_wrapper.h @@ -0,0 +1,130 @@ +#ifndef __DSOUND_WRAPPER_H
+#define __DSOUND_WRAPPER_H
+/*
+ * $Id: dsound_wrapper.h,v 1.1.1.1.2.8 2005/01/16 20:48:37 rossbencina Exp $
+ * Simplified DirectSound interface.
+ *
+ * Author: Phil Burk & Robert Marsanyi
+ *
+ * For PortAudio Portable Real-Time Audio Library
+ * For more information see: http://www.softsynth.com/portaudio/
+ * DirectSound Implementation
+ * Copyright (c) 1999-2000 Phil Burk & Robert Marsanyi
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/* on Borland compilers, WIN32 doesn't seem to be defined by default, which
+ breaks DSound.h. Adding the define here fixes the problem. - rossb. */
+#ifdef __BORLANDC__
+#if !defined(WIN32)
+#define WIN32
+#endif
+#endif
+
+/*
+ We are only using DX3 in here, no need to polute the namespace - davidv
+*/
+#define DIRECTSOUND_VERSION 0x0300
+
+#include <DSound.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif /* __cplusplus */
+
+
+typedef struct
+{
+ HINSTANCE hInstance_;
+
+ HRESULT (WINAPI *DirectSoundCreate)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN);
+ HRESULT (WINAPI *DirectSoundEnumerateW)(LPDSENUMCALLBACKW, LPVOID);
+ HRESULT (WINAPI *DirectSoundEnumerateA)(LPDSENUMCALLBACKA, LPVOID);
+
+ HRESULT (WINAPI *DirectSoundCaptureCreate)(LPGUID, LPDIRECTSOUNDCAPTURE *, LPUNKNOWN);
+ HRESULT (WINAPI *DirectSoundCaptureEnumerateW)(LPDSENUMCALLBACKW, LPVOID);
+ HRESULT (WINAPI *DirectSoundCaptureEnumerateA)(LPDSENUMCALLBACKA, LPVOID);
+}DSoundEntryPoints;
+
+extern DSoundEntryPoints dswDSoundEntryPoints;
+
+void DSW_InitializeDSoundEntryPoints(void);
+void DSW_TerminateDSoundEntryPoints(void);
+
+#define DSW_NUM_POSITIONS (4)
+#define DSW_NUM_EVENTS (5)
+#define DSW_TERMINATION_EVENT (DSW_NUM_POSITIONS)
+
+typedef struct
+{
+/* Output */
+ LPDIRECTSOUND dsw_pDirectSound;
+ LPDIRECTSOUNDBUFFER dsw_OutputBuffer;
+ DWORD dsw_WriteOffset; /* last write position */
+ INT dsw_OutputSize;
+ INT dsw_BytesPerOutputFrame;
+ /* Try to detect play buffer underflows. */
+ LARGE_INTEGER dsw_CounterTicksPerBuffer; /* counter ticks it should take to play a full buffer */
+ LARGE_INTEGER dsw_LastPlayTime;
+ UINT dsw_LastPlayCursor;
+ UINT dsw_OutputUnderflows;
+ BOOL dsw_OutputRunning;
+ /* use double which lets us can play for several thousand years with enough precision */
+ double dsw_FramesWritten;
+ double dsw_FramesPlayed;
+/* Input */
+ INT dsw_BytesPerInputFrame;
+ LPDIRECTSOUNDCAPTURE dsw_pDirectSoundCapture;
+ LPDIRECTSOUNDCAPTUREBUFFER dsw_InputBuffer;
+ UINT dsw_ReadOffset; /* last read position */
+ UINT dsw_InputSize;
+} DSoundWrapper;
+
+HRESULT DSW_Init( DSoundWrapper *dsw );
+void DSW_Term( DSoundWrapper *dsw );
+HRESULT DSW_InitOutputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate,
+ WORD nChannels, int bufSize );
+HRESULT DSW_StartOutput( DSoundWrapper *dsw );
+HRESULT DSW_StopOutput( DSoundWrapper *dsw );
+DWORD DSW_GetOutputStatus( DSoundWrapper *dsw );
+HRESULT DSW_WriteBlock( DSoundWrapper *dsw, char *buf, long numBytes );
+HRESULT DSW_ZeroEmptySpace( DSoundWrapper *dsw );
+HRESULT DSW_QueryOutputSpace( DSoundWrapper *dsw, long *bytesEmpty );
+HRESULT DSW_Enumerate( DSoundWrapper *dsw );
+
+HRESULT DSW_InitInputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate,
+ WORD nChannels, int bufSize );
+HRESULT DSW_StartInput( DSoundWrapper *dsw );
+HRESULT DSW_StopInput( DSoundWrapper *dsw );
+HRESULT DSW_ReadBlock( DSoundWrapper *dsw, char *buf, long numBytes );
+HRESULT DSW_QueryInputFilled( DSoundWrapper *dsw, long *bytesFilled );
+HRESULT DSW_QueryOutputFilled( DSoundWrapper *dsw, long *bytesFilled );
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __DSOUND_WRAPPER_H */
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