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| author | inmarket <andrewh@inmarket.com.au> | 2014-03-03 07:39:46 +1000 |
|---|---|---|
| committer | inmarket <andrewh@inmarket.com.au> | 2014-03-03 07:39:46 +1000 |
| commit | 43527de2c09eb90e5c1cebbce587b5da2bda957d (patch) | |
| tree | c2d8aed141483f9a8fb9d82c82853e9425c58f14 /drivers/audio | |
| parent | 17f1f9d7990461cbdb7b40d42b310321ca47b776 (diff) | |
| download | uGFX-43527de2c09eb90e5c1cebbce587b5da2bda957d.tar.gz uGFX-43527de2c09eb90e5c1cebbce587b5da2bda957d.tar.bz2 uGFX-43527de2c09eb90e5c1cebbce587b5da2bda957d.zip | |
Updates to GAUDOUT to allow specification of the sample format.
Fix threading issues.
Diffstat (limited to 'drivers/audio')
| -rw-r--r-- | drivers/audio/Win32/gaudout_lld.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/audio/Win32/gaudout_lld.c b/drivers/audio/Win32/gaudout_lld.c index 9581fa45..fd70c80b 100644 --- a/drivers/audio/Win32/gaudout_lld.c +++ b/drivers/audio/Win32/gaudout_lld.c @@ -64,7 +64,10 @@ static bool_t senddata(WAVEHDR *pwh) { GAudioData *paud; // Get the next data block to send - if (!(paud = gaudoutGetDataBlockI())) + gfxSystemLock(); + paud = gaudoutGetDataBlockI(); + gfxSystemUnlock(); + if (!paud) return FALSE; // Prepare the wave header for Windows @@ -104,7 +107,9 @@ static DWORD WINAPI waveProc(LPVOID arg) { waveOutUnprepareHeader(ah, pwh, sizeof(WAVEHDR)); // Give the buffer back to the Audio Free List + gfxSystemLock(); gaudoutReleaseDataBlockI((GAudioData *)pwh->dwUser); + gfxSystemUnlock(); pwh->lpData = 0; nQueuedBuffers--; @@ -131,9 +136,12 @@ void gaudout_lld_deinit() { } } -bool_t gaudout_lld_init(uint16_t channel, uint32_t frequency) { +bool_t gaudout_lld_init(uint16_t channel, uint32_t frequency, ArrayDataFormat format) { WAVEFORMATEX wfx; + if (format != ARRAY_DATA_8BITUNSIGNED && format != ARRAY_DATA_16BITSIGNED) + return FALSE; + if (!waveThread) { if (!(waveThread = CreateThread(0, 0, (LPTHREAD_START_ROUTINE)waveProc, 0, 0, &threadID))) { fprintf(stderr, "GAUDOUT: Can't create WAVE play-back thread\n"); @@ -145,9 +153,9 @@ bool_t gaudout_lld_init(uint16_t channel, uint32_t frequency) { wfx.wFormatTag = WAVE_FORMAT_PCM; wfx.nChannels = channel == GAUDOUT_STEREO ? 2 : 1; wfx.nSamplesPerSec = frequency; - wfx.nBlockAlign = wfx.nChannels * sizeof(audout_sample_t); + wfx.nBlockAlign = wfx.nChannels * (format == ARRAY_DATA_8BITUNSIGNED ? 1 : 2); wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign; - wfx.wBitsPerSample = sizeof(audout_sample_t) * 8; + wfx.wBitsPerSample = (format == ARRAY_DATA_8BITUNSIGNED ? 8 : 16); wfx.cbSize = 0; if (waveOutOpen(&ah, WAVE_MAPPER, &wfx, (DWORD_PTR)threadID, 0, CALLBACK_THREAD)) { |