diff options
Diffstat (limited to 'src/multimedia/audio/qaudiooutput_win32_p.cpp')
-rw-r--r-- | src/multimedia/audio/qaudiooutput_win32_p.cpp | 101 |
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; |