comparison src/portaudio_20161030_catalina_patch/include/pa_asio.h @ 162:d43aab368df9

Duplicate for patch testing

+#ifndef PA_ASIO_H
+#define PA_ASIO_H
+/*
+ * $Id$
+ * PortAudio Portable Real-Time Audio Library
+ * ASIO specific extensions
+ *
+ * Copyright (c) 1999-2000 Ross Bencina and 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.
+ *
+ * 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.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however, 
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * 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. It is also 
+ * requested that these non-binding requests be included along with the 
+ * license above.
+ */
+
+
+/** @file
+ @ingroup public_header
+ @brief ASIO-specific PortAudio API extension header file.
+*/
+
+#include "portaudio.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif /* __cplusplus */
+
+
+/** Retrieve legal native buffer sizes for the specificed device, in sample frames.
+
+ @param device The global index of the device about which the query is being made.
+ @param minBufferSizeFrames A pointer to the location which will receive the minimum buffer size value.
+ @param maxBufferSizeFrames A pointer to the location which will receive the maximum buffer size value.
+ @param preferredBufferSizeFrames A pointer to the location which will receive the preferred buffer size value.
+ @param granularity A pointer to the location which will receive the "granularity". This value determines
+ the step size used to compute the legal values between minBufferSizeFrames and maxBufferSizeFrames.
+ If granularity is -1 then available buffer size values are powers of two.
+
+ @see ASIOGetBufferSize in the ASIO SDK.
+
+ @note: this function used to be called PaAsio_GetAvailableLatencyValues. There is a
+ #define that maps PaAsio_GetAvailableLatencyValues to this function for backwards compatibility.
+*/
+PaError PaAsio_GetAvailableBufferSizes( PaDeviceIndex device,
+		long *minBufferSizeFrames, long *maxBufferSizeFrames, long *preferredBufferSizeFrames, long *granularity );
+
+
+/** Backwards compatibility alias for PaAsio_GetAvailableBufferSizes
+
+ @see PaAsio_GetAvailableBufferSizes
+*/
+#define PaAsio_GetAvailableLatencyValues PaAsio_GetAvailableBufferSizes
+
+
+/** Display the ASIO control panel for the specified device.
+
+  @param device The global index of the device whose control panel is to be displayed.
+  @param systemSpecific On Windows, the calling application's main window handle,
+  on Macintosh this value should be zero.
+*/
+PaError PaAsio_ShowControlPanel( PaDeviceIndex device, void* systemSpecific );
+
+
+
+
+/** Retrieve a pointer to a string containing the name of the specified
+ input channel. The string is valid until Pa_Terminate is called.
+
+ The string will be no longer than 32 characters including the null terminator.
+*/
+PaError PaAsio_GetInputChannelName( PaDeviceIndex device, int channelIndex,
+        const char** channelName );
+
+        
+/** Retrieve a pointer to a string containing the name of the specified
+ input channel. The string is valid until Pa_Terminate is called.
+
+ The string will be no longer than 32 characters including the null terminator.
+*/
+PaError PaAsio_GetOutputChannelName( PaDeviceIndex device, int channelIndex,
+        const char** channelName );
+
+
+/** Set the sample rate of an open paASIO stream.
+ 
+ @param stream The stream to operate on.
+ @param sampleRate The new sample rate. 
+
+ Note that this function may fail if the stream is alredy running and the 
+ ASIO driver does not support switching the sample rate of a running stream.
+
+ Returns paIncompatibleStreamHostApi if stream is not a paASIO stream.
+*/
+PaError PaAsio_SetStreamSampleRate( PaStream* stream, double sampleRate );
+
+
+#define paAsioUseChannelSelectors      (0x01)
+
+typedef struct PaAsioStreamInfo{
+    unsigned long size;             /**< sizeof(PaAsioStreamInfo) */
+    PaHostApiTypeId hostApiType;    /**< paASIO */
+    unsigned long version;          /**< 1 */
+
+    unsigned long flags;
+
+    /* Support for opening only specific channels of an ASIO device.
+        If the paAsioUseChannelSelectors flag is set, channelSelectors is a
+        pointer to an array of integers specifying the device channels to use.
+        When used, the length of the channelSelectors array must match the
+        corresponding channelCount parameter to Pa_OpenStream() otherwise a
+        crash may result.
+        The values in the selectors array must specify channels within the
+        range of supported channels for the device or paInvalidChannelCount will
+        result.
+    */
+    int *channelSelectors;
+}PaAsioStreamInfo;
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* PA_ASIO_H */