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author | Kurt Korbatits <kurt.korbatits@nokia.com> | 2009-12-18 00:57:40 (GMT) |
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committer | Kurt Korbatits <kurt.korbatits@nokia.com> | 2009-12-18 00:57:40 (GMT) |
commit | d31dd9d5d9e8f647f095014523937bcfb0348121 (patch) | |
tree | 394dfbcb0ae42b638a8280c802e1779eaa7dcdee /src/multimedia/audio/qaudioinput_win32_p.cpp | |
parent | 7e22fc06165e6eb4ca74e228a9677905e12b1454 (diff) | |
download | Qt-d31dd9d5d9e8f647f095014523937bcfb0348121.zip Qt-d31dd9d5d9e8f647f095014523937bcfb0348121.tar.gz Qt-d31dd9d5d9e8f647f095014523937bcfb0348121.tar.bz2 |
The "audioinput" multimedia example locks up the audio input/output
Task-number:QTBUG-5633
Reviewed-by:Justin McPherson
Diffstat (limited to 'src/multimedia/audio/qaudioinput_win32_p.cpp')
-rw-r--r-- | src/multimedia/audio/qaudioinput_win32_p.cpp | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/src/multimedia/audio/qaudioinput_win32_p.cpp b/src/multimedia/audio/qaudioinput_win32_p.cpp index b7f9ffd..f50a547 100644 --- a/src/multimedia/audio/qaudioinput_win32_p.cpp +++ b/src/multimedia/audio/qaudioinput_win32_p.cpp @@ -153,6 +153,14 @@ WAVEHDR* QAudioInputPrivate::allocateBlocks(int size, int count) void QAudioInputPrivate::freeBlocks(WAVEHDR* blockArray) { + WAVEHDR* blocks = blockArray; + + int count = buffer_size/period_size; + + for(int i = 0; i < count; i++) { + waveInUnprepareHeader(hWaveIn,&blocks[i], sizeof(WAVEHDR)); + blocks+=sizeof(WAVEHDR); + } HeapFree(GetProcessHeap(), 0, blockArray); } @@ -222,11 +230,6 @@ bool QAudioInputPrivate::open() } else { period_size = buffer_size/5; } -#ifdef Q_OS_WINCE - // For wince reduce size to 40ms for buffer size and 20ms period - buffer_size = settings.frequency()*settings.channels()*(settings.sampleSize()/8)*0.04; - period_size = buffer_size/2; -#endif timeStamp.restart(); elapsedTimeOffset = 0; wfx.nSamplesPerSec = settings.frequency(); @@ -317,7 +320,7 @@ void QAudioInputPrivate::close() deviceState = QAudio::StoppedState; int count = 0; - while(!finished && count < 100) { + while(!finished && count < 500) { count++; Sleep(10); } @@ -349,9 +352,10 @@ qint64 QAudioInputPrivate::read(char* data, qint64 len) char* p = data; qint64 l = 0; qint64 written = 0; + while(!done) { // Read in some audio data - if(waveBlocks[header].dwBytesRecorded > 0) { + if(waveBlocks[header].dwBytesRecorded > 0 && waveBlocks[header].dwFlags & WHDR_DONE) { if(pullMode) { l = audioSource->write(waveBlocks[header].lpData, waveBlocks[header].dwBytesRecorded); @@ -394,6 +398,9 @@ qint64 QAudioInputPrivate::read(char* data, qint64 len) //no data, not ready yet, next time return 0; } + + waveInUnprepareHeader(hWaveIn,&waveBlocks[header], sizeof(WAVEHDR)); + EnterCriticalSection(&waveInCriticalSection); waveFreeBlockCount++; LeaveCriticalSection(&waveInCriticalSection); @@ -401,17 +408,22 @@ qint64 QAudioInputPrivate::read(char* data, qint64 len) waveBlocks[header].dwFlags = 0L; result = waveInPrepareHeader(hWaveIn,&waveBlocks[header], sizeof(WAVEHDR)); if(result != MMSYSERR_NOERROR) { + result = waveInPrepareHeader(hWaveIn,&waveBlocks[header], sizeof(WAVEHDR)); qWarning("QAudioInput: failed to prepare block %d,err=%d",header,result); - errorState = QAudio::OpenError; - deviceState = QAudio::StoppedState; - emit stateChanged(deviceState); + errorState = QAudio::IOError; + EnterCriticalSection(&waveInCriticalSection); + waveFreeBlockCount--; + LeaveCriticalSection(&waveInCriticalSection); + return 0; } result = waveInAddBuffer(hWaveIn, &waveBlocks[header], sizeof(WAVEHDR)); if(result != MMSYSERR_NOERROR) { qWarning("QAudioInput: failed to setup block %d,err=%d",header,result); - errorState = QAudio::OpenError; - deviceState = QAudio::StoppedState; - emit stateChanged(deviceState); + errorState = QAudio::IOError; + EnterCriticalSection(&waveInCriticalSection); + waveFreeBlockCount--; + LeaveCriticalSection(&waveInCriticalSection); + return 0; } header++; if(header >= buffer_size/period_size) |