From 9c0e19a3be2288db79e2502e5fa450c3e20a668d Mon Sep 17 00:00:00 2001
From: Guenter  Geiger <ggeiger@users.sourceforge.net>
Date: Fri, 9 May 2003 16:04:00 +0000
Subject: This commit was generated by cvs2svn to compensate for changes in
 r610, which included commits to RCS files with non-trunk default branches.

svn path=/trunk/; revision=611
---
 pd/portaudio/pa_common/pa_stream.h | 128 +++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 pd/portaudio/pa_common/pa_stream.h

(limited to 'pd/portaudio/pa_common/pa_stream.h')

diff --git a/pd/portaudio/pa_common/pa_stream.h b/pd/portaudio/pa_common/pa_stream.h
new file mode 100644
index 00000000..5e66c097
--- /dev/null
+++ b/pd/portaudio/pa_common/pa_stream.h
@@ -0,0 +1,128 @@
+#ifndef PA_STREAM_H
+#define PA_STREAM_H
+/*
+ * $Id: pa_stream.h,v 1.1.2.9 2002/12/03 06:30:40 rossbencina Exp $
+ * Portable Audio I/O Library
+ * stream interface
+ *
+ * Based on the Open Source API proposed by Ross Bencina
+ * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
+ *
+ * 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.
+ */
+
+/** @file
+ Interface used by pa_front to virtualise stream calls.
+*/
+
+#include "portaudio.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif /* __cplusplus */
+
+
+#define PA_STREAM_MAGIC (0x18273645)
+
+typedef struct {
+    /*
+        all PaStreamInterface functions are guaranteed to be called with a
+        non-null, valid <stream> parameter
+    */
+    PaError (*Close)( PaStream* stream );
+    PaError (*Start)( PaStream *stream );
+    PaError (*Stop)( PaStream *stream );
+    PaError (*Abort)( PaStream *stream );
+    PaError (*IsStopped)( PaStream *stream );
+    PaError (*IsActive)( PaStream *stream );
+    PaTime (*GetTime)( PaStream *stream );
+    double (*GetCpuLoad)( PaStream* stream );
+    PaError (*Read)( PaStream* stream, void *buffer, unsigned long frames );
+    PaError (*Write)( PaStream* stream, void *buffer, unsigned long frames );
+    signed long (*GetReadAvailable)( PaStream* stream );
+    signed long (*GetWriteAvailable)( PaStream* stream );
+} PaUtilStreamInterface;
+
+
+void PaUtil_InitializeStreamInterface( PaUtilStreamInterface *streamInterface,
+    PaError (*Close)( PaStream* ),
+    PaError (*Start)( PaStream* ),
+    PaError (*Stop)( PaStream* ),
+    PaError (*Abort)( PaStream* ),
+    PaError (*IsStopped)( PaStream* ),
+    PaError (*IsActive)( PaStream* ),
+    PaTime (*GetTime)( PaStream* ),
+    double (*GetCpuLoad)( PaStream* ),
+    PaError (*Read)( PaStream* stream, void *buffer, unsigned long frames ),
+    PaError (*Write)( PaStream* stream, void *buffer, unsigned long frames ),
+    signed long (*GetReadAvailable)( PaStream* stream ),
+    signed long (*GetWriteAvailable)( PaStream* stream ) );
+
+
+/** Use PaUtil_DummyReadWrite and PaUtil_DummyGetAvailable for
+ callback based streams.
+*/
+PaError PaUtil_DummyReadWrite( PaStream* stream,
+                       void *buffer,
+                       unsigned long frames );
+
+                       
+signed long PaUtil_DummyGetAvailable( PaStream* stream );
+
+/** Use PaUtil_DummyGetCpuLoad for read/write streams
+*/
+double PaUtil_DummyGetCpuLoad( PaStream* stream );
+
+
+typedef struct PaUtilStreamRepresentation {
+    unsigned long magic;    /* set to PA_STREAM_MAGIC */
+    struct PaUtilStreamRepresentation *nextOpenStream; /* field used by multi-api code */
+    PaUtilStreamInterface *streamInterface;
+    PaStreamCallback *streamCallback;
+    PaStreamFinishedCallback *streamFinishedCallback;
+    void *userData;
+    PaStreamInfo streamInfo;
+} PaUtilStreamRepresentation;
+
+
+void PaUtil_InitializeStreamRepresentation( PaUtilStreamRepresentation *streamRepresentation,
+    PaUtilStreamInterface *streamInterface,
+    PaStreamCallback *streamCallback,
+    void *userData );
+
+void PaUtil_TerminateStreamRepresentation( PaUtilStreamRepresentation *streamRepresentation );
+
+
+#define PA_STREAM_REP( streamRepPtr )\
+    ((PaUtilStreamRepresentation*) streamRepPtr )
+
+#define PA_STREAM_INTERFACE( streamRepPtr )\
+    PA_STREAM_REP( streamRepPtr )->streamInterface
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* PA_STREAM_H */
-- 
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