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Diffstat (limited to 'src/multimedia/audio/qaudiooutput_win32_p.cpp')
-rw-r--r--src/multimedia/audio/qaudiooutput_win32_p.cpp101
1 files changed, 91 insertions, 10 deletions
diff --git a/src/multimedia/audio/qaudiooutput_win32_p.cpp b/src/multimedia/audio/qaudiooutput_win32_p.cpp
index a8aeb41..99bada2 100644
--- a/src/multimedia/audio/qaudiooutput_win32_p.cpp
+++ b/src/multimedia/audio/qaudiooutput_win32_p.cpp
@@ -52,6 +52,53 @@
#include "qaudiooutput_win32_p.h"
+#ifndef SPEAKER_FRONT_LEFT
+ #define SPEAKER_FRONT_LEFT 0x00000001
+ #define SPEAKER_FRONT_RIGHT 0x00000002
+ #define SPEAKER_FRONT_CENTER 0x00000004
+ #define SPEAKER_LOW_FREQUENCY 0x00000008
+ #define SPEAKER_BACK_LEFT 0x00000010
+ #define SPEAKER_BACK_RIGHT 0x00000020
+ #define SPEAKER_FRONT_LEFT_OF_CENTER 0x00000040
+ #define SPEAKER_FRONT_RIGHT_OF_CENTER 0x00000080
+ #define SPEAKER_BACK_CENTER 0x00000100
+ #define SPEAKER_SIDE_LEFT 0x00000200
+ #define SPEAKER_SIDE_RIGHT 0x00000400
+ #define SPEAKER_TOP_CENTER 0x00000800
+ #define SPEAKER_TOP_FRONT_LEFT 0x00001000
+ #define SPEAKER_TOP_FRONT_CENTER 0x00002000
+ #define SPEAKER_TOP_FRONT_RIGHT 0x00004000
+ #define SPEAKER_TOP_BACK_LEFT 0x00008000
+ #define SPEAKER_TOP_BACK_CENTER 0x00010000
+ #define SPEAKER_TOP_BACK_RIGHT 0x00020000
+ #define SPEAKER_RESERVED 0x7FFC0000
+ #define SPEAKER_ALL 0x80000000
+#endif
+
+#ifndef _WAVEFORMATEXTENSIBLE_
+
+ #define _WAVEFORMATEXTENSIBLE_
+ typedef struct
+ {
+ WAVEFORMATEX Format; // Base WAVEFORMATEX data
+ union
+ {
+ WORD wValidBitsPerSample; // Valid bits in each sample container
+ WORD wSamplesPerBlock; // Samples per block of audio data; valid
+ // if wBitsPerSample=0 (but rarely used).
+ WORD wReserved; // Zero if neither case above applies.
+ } Samples;
+ DWORD dwChannelMask; // Positions of the audio channels
+ GUID SubFormat; // Format identifier GUID
+ } WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE, *LPPWAVEFORMATEXTENSIBLE;
+ typedef const WAVEFORMATEXTENSIBLE* LPCWAVEFORMATEXTENSIBLE;
+
+#endif
+
+#if !defined(WAVE_FORMAT_EXTENSIBLE)
+#define WAVE_FORMAT_EXTENSIBLE 0xFFFE
+#endif
+
//#define DEBUG_AUDIO 1
QT_BEGIN_NAMESPACE
@@ -146,7 +193,7 @@ void QAudioOutputPrivate::freeBlocks(WAVEHDR* blockArray)
for(int i = 0; i < count; i++) {
waveOutUnprepareHeader(hWaveOut,blocks, sizeof(WAVEHDR));
- blocks+=sizeof(WAVEHDR);
+ blocks++;
}
HeapFree(GetProcessHeap(), 0, blockArray);
}
@@ -258,15 +305,49 @@ bool QAudioOutputPrivate::open()
}
}
- if(waveOutOpen(&hWaveOut, devId, &wfx,
- (DWORD_PTR)&waveOutProc,
- (DWORD_PTR) this,
- CALLBACK_FUNCTION) != MMSYSERR_NOERROR) {
- errorState = QAudio::OpenError;
- deviceState = QAudio::StoppedState;
- emit stateChanged(deviceState);
- qWarning("QAudioOutput: open error");
- return false;
+ if ( settings.channels() <= 2) {
+ if(waveOutOpen(&hWaveOut, devId, &wfx,
+ (DWORD_PTR)&waveOutProc,
+ (DWORD_PTR) this,
+ CALLBACK_FUNCTION) != MMSYSERR_NOERROR) {
+ errorState = QAudio::OpenError;
+ deviceState = QAudio::StoppedState;
+ emit stateChanged(deviceState);
+ qWarning("QAudioOutput: open error");
+ return false;
+ }
+ } else {
+ WAVEFORMATEXTENSIBLE wfex;
+ wfex.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
+ wfex.Format.nChannels = settings.channels();
+ wfex.Format.wBitsPerSample = settings.sampleSize();
+ wfex.Format.nSamplesPerSec = settings.frequency();
+ wfex.Format.nBlockAlign = wfex.Format.nChannels*wfex.Format.wBitsPerSample/8;
+ wfex.Format.nAvgBytesPerSec=wfex.Format.nSamplesPerSec*wfex.Format.nBlockAlign;
+ wfex.Samples.wValidBitsPerSample=wfex.Format.wBitsPerSample;
+ static const GUID _KSDATAFORMAT_SUBTYPE_PCM = {
+ 0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
+ wfex.SubFormat=_KSDATAFORMAT_SUBTYPE_PCM;
+ wfex.Format.cbSize=22;
+
+ wfex.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
+ if (settings.channels() >= 4)
+ wfex.dwChannelMask |= SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT;
+ if (settings.channels() >= 6)
+ wfex.dwChannelMask |= SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY;
+ if (settings.channels() == 8)
+ wfex.dwChannelMask |= SPEAKER_SIDE_LEFT | SPEAKER_SIDE_RIGHT;
+
+ if(waveOutOpen(&hWaveOut, devId, &wfex.Format,
+ (DWORD_PTR)&waveOutProc,
+ (DWORD_PTR) this,
+ CALLBACK_FUNCTION) != MMSYSERR_NOERROR) {
+ errorState = QAudio::OpenError;
+ deviceState = QAudio::StoppedState;
+ emit stateChanged(deviceState);
+ qWarning("QAudioOutput: open error");
+ return false;
+ }
}
totalTimeValue = 0;