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Viewing changes to daemon/libs/pjproject-2.1.0/third_party/portaudio/src/common/pa_stream.c

  • Committer: Package Import Robot
  • Author(s): Mark Purcell
  • Date: 2014-01-28 18:23:36 UTC
  • mfrom: (1.1.11)
  • Revision ID: package-import@ubuntu.com-20140128182336-3xenud1kbnwmf3mz
Tags: 1.3.0-1
http://bugs.debian.org/735846
http://bugs.debian.org/727164
http://bugs.debian.org/718178
http://bugs.debian.org/736583
http://bugs.debian.org/722040
http://bugs.debian.org/736746
* New upstream release 
  - Fixes "New Upstream Release" (Closes: #735846)
  - Fixes "Ringtone does not stop" (Closes: #727164)
  - Fixes "[sflphone-kde] crash on startup" (Closes: #718178)
  - Fixes "sflphone GUI crashes when call is hung up" (Closes: #736583)
* Build-Depends: ensure GnuTLS 2.6
  - libucommon-dev (>= 6.0.7-1.1), libccrtp-dev (>= 2.0.6-3)
  - Fixes "FTBFS Build-Depends libgnutls{26,28}-dev" (Closes: #722040)
* Fix "boost 1.49 is going away" unversioned Build-Depends: (Closes: #736746)
* Add Build-Depends: libsndfile-dev, nepomuk-core-dev

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daemon/libs/pjproject-2.1.0/third_party/portaudio/src/common/pa_stream.c
 
1
/*
 
2
 * $Id: pa_stream.c 1339 2008-02-15 07:50:33Z rossb $
 
3
 * Portable Audio I/O Library
 
4
 * stream interface
 
5
 *
 
6
 * Based on the Open Source API proposed by Ross Bencina
 
7
 * Copyright (c) 2008 Ross Bencina
 
8
 *
 
9
 * Permission is hereby granted, free of charge, to any person obtaining
 
10
 * a copy of this software and associated documentation files
 
11
 * (the "Software"), to deal in the Software without restriction,
 
12
 * including without limitation the rights to use, copy, modify, merge,
 
13
 * publish, distribute, sublicense, and/or sell copies of the Software,
 
14
 * and to permit persons to whom the Software is furnished to do so,
 
15
 * subject to the following conditions:
 
16
 *
 
17
 * The above copyright notice and this permission notice shall be
 
18
 * included in all copies or substantial portions of the Software.
 
19
 *
 
20
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 
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 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
 
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 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 
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 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 
26
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
27
 */
 
28
 
 
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/*
 
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 * The text above constitutes the entire PortAudio license; however, 
 
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 * the PortAudio community also makes the following non-binding requests:
 
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 *
 
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 * Any person wishing to distribute modifications to the Software is
 
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 * requested to send the modifications to the original developer so that
 
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 * they can be incorporated into the canonical version. It is also 
 
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 * requested that these non-binding requests be included along with the 
 
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 * license above.
 
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 */
 
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/** @file
 
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 @ingroup common_src
 
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 @brief Stream interfaces, representation structures and helper functions
 
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 used to interface between pa_front.c host API implementations.
 
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*/
 
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#include "pa_stream.h"
 
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void PaUtil_InitializeStreamInterface( PaUtilStreamInterface *streamInterface,
 
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                                       PaError (*Close)( PaStream* ),
 
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                                       PaError (*Start)( PaStream* ),
 
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                                       PaError (*Stop)( PaStream* ),
 
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                                       PaError (*Abort)( PaStream* ),
 
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                                       PaError (*IsStopped)( PaStream* ),
 
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                                       PaError (*IsActive)( PaStream* ),
 
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                                       PaTime (*GetTime)( PaStream* ),
 
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                                       double (*GetCpuLoad)( PaStream* ),
 
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                                       PaError (*Read)( PaStream*, void *, unsigned long ),
 
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                                       PaError (*Write)( PaStream*, const void *, unsigned long ),
 
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                                       signed long (*GetReadAvailable)( PaStream* ),
 
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                                       signed long (*GetWriteAvailable)( PaStream* )  )
 
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{
 
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    streamInterface->Close = Close;
 
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    streamInterface->Start = Start;
 
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    streamInterface->Stop = Stop;
 
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    streamInterface->Abort = Abort;
 
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    streamInterface->IsStopped = IsStopped;
 
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    streamInterface->IsActive = IsActive;
 
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    streamInterface->GetTime = GetTime;
 
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    streamInterface->GetCpuLoad = GetCpuLoad;
 
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    streamInterface->Read = Read;
 
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    streamInterface->Write = Write;
 
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    streamInterface->GetReadAvailable = GetReadAvailable;
 
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    streamInterface->GetWriteAvailable = GetWriteAvailable;
 
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}
 
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void PaUtil_InitializeStreamRepresentation( PaUtilStreamRepresentation *streamRepresentation,
 
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        PaUtilStreamInterface *streamInterface,
 
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        PaStreamCallback *streamCallback,
 
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        void *userData )
 
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{
 
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    streamRepresentation->magic = PA_STREAM_MAGIC;
 
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    streamRepresentation->nextOpenStream = 0;
 
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    streamRepresentation->streamInterface = streamInterface;
 
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    streamRepresentation->streamCallback = streamCallback;
 
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    streamRepresentation->streamFinishedCallback = 0;
 
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    streamRepresentation->userData = userData;
 
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    streamRepresentation->streamInfo.inputLatency = 0.;
 
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    streamRepresentation->streamInfo.outputLatency = 0.;
 
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    streamRepresentation->streamInfo.sampleRate = 0.;
 
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}
 
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void PaUtil_TerminateStreamRepresentation( PaUtilStreamRepresentation *streamRepresentation )
 
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{
 
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    streamRepresentation->magic = 0;
 
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}
 
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104
 
 
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PaError PaUtil_DummyRead( PaStream* stream,
 
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                               void *buffer,
 
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                               unsigned long frames )
 
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{
 
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    (void)stream; /* unused parameter */
 
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    (void)buffer; /* unused parameter */
 
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    (void)frames; /* unused parameter */
 
112
 
 
113
    return paCanNotReadFromACallbackStream;
 
114
}
 
115
 
 
116
 
 
117
PaError PaUtil_DummyWrite( PaStream* stream,
 
118
                               const void *buffer,
 
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                               unsigned long frames )
 
120
{
 
121
    (void)stream; /* unused parameter */
 
122
    (void)buffer; /* unused parameter */
 
123
    (void)frames; /* unused parameter */
 
124
 
 
125
    return paCanNotWriteToACallbackStream;
 
126
}
 
127
 
 
128
 
 
129
signed long PaUtil_DummyGetReadAvailable( PaStream* stream )
 
130
{
 
131
    (void)stream; /* unused parameter */
 
132
 
 
133
    return paCanNotReadFromACallbackStream;
 
134
}
 
135
 
 
136
 
 
137
signed long PaUtil_DummyGetWriteAvailable( PaStream* stream )
 
138
{
 
139
    (void)stream; /* unused parameter */
 
140
 
 
141
    return paCanNotWriteToACallbackStream;
 
142
}
 
143
 
 
144
 
 
145
double PaUtil_DummyGetCpuLoad( PaStream* stream )
 
146
{
 
147
    (void)stream; /* unused parameter */
 
148
 
 
149
    return 0.0;
 
150
}