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Viewing changes to daemon/libs/pjproject-2.0.1/third_party/portaudio/src/os/win/pa_win_waveformat.c

  • Committer: Package Import Robot
  • Author(s): Mark Purcell
  • Date: 2014-01-28 18:23:36 UTC
  • mfrom: (1.1.11)
  • mto: This revision was merged to the branch mainline in revision 24.
  • Revision ID: package-import@ubuntu.com-20140128182336-3xenud1kbnwmf3mz
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-2.0.1/third_party/portaudio/src/os/win/pa_win_waveformat.c
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/*
2
 
 * PortAudio Portable Real-Time Audio Library
3
 
 * Windows WAVEFORMAT* data structure utilities
4
 
 * portaudio.h should be included before this file.
5
 
 *
6
 
 * Copyright (c) 2007 Ross Bencina
7
 
 *
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 * Permission is hereby granted, free of charge, to any person obtaining
9
 
 * a copy of this software and associated documentation files
10
 
 * (the "Software"), to deal in the Software without restriction,
11
 
 * including without limitation the rights to use, copy, modify, merge,
12
 
 * publish, distribute, sublicense, and/or sell copies of the Software,
13
 
 * and to permit persons to whom the Software is furnished to do so,
14
 
 * subject to the following conditions:
15
 
 *
16
 
 * The above copyright notice and this permission notice shall be
17
 
 * included in all copies or substantial portions of the Software.
18
 
 *
19
 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20
 
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21
 
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22
 
 * 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
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 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26
 
 */
27
 
 
28
 
/*
29
 
 * The text above constitutes the entire PortAudio license; however,
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 * the PortAudio community also makes the following non-binding requests:
31
 
 *
32
 
 * Any person wishing to distribute modifications to the Software is
33
 
 * requested to send the modifications to the original developer so that
34
 
 * 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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 */
38
 
 
39
 
#include <windows.h>
40
 
#include <mmsystem.h>
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42
 
#include "portaudio.h"
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#include "pa_win_waveformat.h"
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45
 
 
46
 
#if !defined(WAVE_FORMAT_EXTENSIBLE)
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#define  WAVE_FORMAT_EXTENSIBLE         0xFFFE
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#endif
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50
 
static GUID pawin_ksDataFormatSubtypeGuidBase =
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        { (USHORT)(WAVE_FORMAT_PCM), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 };
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int PaWin_SampleFormatToLinearWaveFormatTag( PaSampleFormat sampleFormat )
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{
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    if( sampleFormat == paFloat32 )
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        return PAWIN_WAVE_FORMAT_IEEE_FLOAT;
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    return PAWIN_WAVE_FORMAT_PCM;
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}
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void PaWin_InitializeWaveFormatEx( PaWinWaveFormat *waveFormat,
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                int numChannels, PaSampleFormat sampleFormat, int waveFormatTag, double sampleRate )
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{
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        WAVEFORMATEX *waveFormatEx = (WAVEFORMATEX*)waveFormat;
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    int bytesPerSample = Pa_GetSampleSize(sampleFormat);
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        unsigned long bytesPerFrame = numChannels * bytesPerSample;
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    waveFormatEx->wFormatTag = waveFormatTag;
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        waveFormatEx->nChannels = (WORD)numChannels;
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        waveFormatEx->nSamplesPerSec = (DWORD)sampleRate;
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        waveFormatEx->nAvgBytesPerSec = waveFormatEx->nSamplesPerSec * bytesPerFrame;
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        waveFormatEx->nBlockAlign = (WORD)bytesPerFrame;
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        waveFormatEx->wBitsPerSample = bytesPerSample * 8;
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        waveFormatEx->cbSize = 0;
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}
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void PaWin_InitializeWaveFormatExtensible( PaWinWaveFormat *waveFormat,
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                int numChannels, PaSampleFormat sampleFormat, int waveFormatTag, double sampleRate,
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                PaWinWaveFormatChannelMask channelMask )
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{
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        WAVEFORMATEX *waveFormatEx = (WAVEFORMATEX*)waveFormat;
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    int bytesPerSample = Pa_GetSampleSize(sampleFormat);
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        unsigned long bytesPerFrame = numChannels * bytesPerSample;
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    GUID guid;
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        waveFormatEx->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
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        waveFormatEx->nChannels = (WORD)numChannels;
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        waveFormatEx->nSamplesPerSec = (DWORD)sampleRate;
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        waveFormatEx->nAvgBytesPerSec = waveFormatEx->nSamplesPerSec * bytesPerFrame;
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        waveFormatEx->nBlockAlign = (WORD)bytesPerFrame;
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        waveFormatEx->wBitsPerSample = bytesPerSample * 8;
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        waveFormatEx->cbSize = 22;
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        *((WORD*)&waveFormat->fields[PAWIN_INDEXOF_WVALIDBITSPERSAMPLE]) =
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                        waveFormatEx->wBitsPerSample;
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        *((DWORD*)&waveFormat->fields[PAWIN_INDEXOF_DWCHANNELMASK]) = channelMask;
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    guid = pawin_ksDataFormatSubtypeGuidBase;
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    guid.Data1 = (USHORT)waveFormatTag;
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    *((GUID*)&waveFormat->fields[PAWIN_INDEXOF_SUBFORMAT]) = guid;
105
 
}
106
 
 
107
 
 
108
 
PaWinWaveFormatChannelMask PaWin_DefaultChannelMask( int numChannels )
109
 
{
110
 
        switch( numChannels ){
111
 
                case 1:
112
 
                        return PAWIN_SPEAKER_MONO;
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                case 2:
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                        return PAWIN_SPEAKER_STEREO;
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                case 3:
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            return PAWIN_SPEAKER_FRONT_LEFT | PAWIN_SPEAKER_FRONT_CENTER | PAWIN_SPEAKER_FRONT_RIGHT;
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                case 4:
118
 
                        return PAWIN_SPEAKER_QUAD;
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                case 5:
120
 
            return PAWIN_SPEAKER_QUAD | PAWIN_SPEAKER_FRONT_CENTER;
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                case 6:
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            /* The meaning of the PAWIN_SPEAKER_5POINT1 flag has changed over time:
123
 
                http://msdn2.microsoft.com/en-us/library/aa474707.aspx
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               We use PAWIN_SPEAKER_5POINT1 (not PAWIN_SPEAKER_5POINT1_SURROUND)
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               because on some cards (eg Audigy) PAWIN_SPEAKER_5POINT1_SURROUND
126
 
               results in a virtual mixdown placing the rear output in the
127
 
               front _and_ rear speakers.
128
 
            */
129
 
                        return PAWIN_SPEAKER_5POINT1;
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        /* case 7: */
131
 
                case 8:
132
 
                        return PAWIN_SPEAKER_7POINT1;
133
 
        }
134
 
 
135
 
    /* Apparently some Audigy drivers will output silence
136
 
       if the direct-out constant (0) is used. So this is not ideal.
137
 
    */
138
 
        return  PAWIN_SPEAKER_DIRECTOUT;
139
 
 
140
 
    /* Note that Alec Rogers proposed the following as an alternate method to
141
 
        generate the default channel mask, however it doesn't seem to be an improvement
142
 
        over the above, since some drivers will matrix outputs mapping to non-present
143
 
        speakers accross multiple physical speakers.
144
 
 
145
 
        if(nChannels==1) {
146
 
            pwfFormat->dwChannelMask = SPEAKER_FRONT_CENTER;
147
 
        }
148
 
        else {
149
 
            pwfFormat->dwChannelMask = 0;
150
 
            for(i=0; i<nChannels; i++)
151
 
                pwfFormat->dwChannelMask = (pwfFormat->dwChannelMask << 1) | 0x1;
152
 
        }
153
 
    */
154
 
}