diff options
| author | trialuser02 <trialuser02@90c681e8-e032-0410-971d-27865f9a5e38> | 2016-05-20 09:04:35 +0000 |
|---|---|---|
| committer | trialuser02 <trialuser02@90c681e8-e032-0410-971d-27865f9a5e38> | 2016-05-20 09:04:35 +0000 |
| commit | 8e0b73ced591e10f286b21df88bb09d3ad663f83 (patch) | |
| tree | cc42a6626f50a8c38b8a31f21277b06b42a0a356 /src/plugins/Output/wasapi/outputwasapi.cpp | |
| parent | afefc873f2c140a95b06b5c6c95a7203747deaa1 (diff) | |
| download | qmmp-8e0b73ced591e10f286b21df88bb09d3ad663f83.tar.gz qmmp-8e0b73ced591e10f286b21df88bb09d3ad663f83.tar.bz2 qmmp-8e0b73ced591e10f286b21df88bb09d3ad663f83.zip | |
wasapi output: minimal implementation
git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@6364 90c681e8-e032-0410-971d-27865f9a5e38
Diffstat (limited to 'src/plugins/Output/wasapi/outputwasapi.cpp')
| -rw-r--r-- | src/plugins/Output/wasapi/outputwasapi.cpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/plugins/Output/wasapi/outputwasapi.cpp b/src/plugins/Output/wasapi/outputwasapi.cpp index 802f6d045..e53823ced 100644 --- a/src/plugins/Output/wasapi/outputwasapi.cpp +++ b/src/plugins/Output/wasapi/outputwasapi.cpp @@ -96,6 +96,81 @@ bool OutputWASAPI::initialize(quint32 freq, ChannelMap map, Qmmp::AudioFormat fo return false;
}
+ WAVEFORMATEXTENSIBLE wfex;
+ wfex.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
+ wfex.Format.nChannels = map.count();
+ wfex.Format.nSamplesPerSec = freq;
+ wfex.Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE);
+
+ if(format == Qmmp::PCM_S16LE)
+ {
+ wfex.Format.wBitsPerSample = 16;
+ wfex.Samples.wValidBitsPerSample = 16;
+ }
+ else if(format == Qmmp::PCM_S24LE)
+ {
+ wfex.Format.wBitsPerSample = 32;
+ wfex.Samples.wValidBitsPerSample = 24;
+ }
+ else if(format == Qmmp::PCM_S32LE)
+ {
+ wfex.Format.wBitsPerSample = 32;
+ wfex.Samples.wValidBitsPerSample = 32;
+ }
+ else
+ {
+ format = Qmmp::PCM_S16LE;
+ wfex.Format.wBitsPerSample = 16;
+ wfex.Samples.wValidBitsPerSample = 16;
+ }
+
+ wfex.Format.nBlockAlign = (wfex.Format.wBitsPerSample / 8) * wfex.Format.nChannels;
+ wfex.Format.nAvgBytesPerSec = wfex.Format.nSamplesPerSec * wfex.Format.nBlockAlign;
+
+ //generate channel order
+ ChannelMap out_map;
+ int i = 0;
+ DWORD mask = 0;
+ while(m_dsound_pos[i].pos != Qmmp::CHAN_NULL)
+ {
+ if(map.contains(m_dsound_pos[i].pos))
+ {
+ mask |= m_dsound_pos[i].chan_mask;
+ out_map << m_dsound_pos[i].pos;
+ }
+ i++;
+ }
+
+ wfex.dwChannelMask = mask;
+ wfex.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
+
+ if((result = m_pAudioClient->Initialize(AUDCLNT_SHAREMODE_SHARED,0, 200, 0, (WAVEFORMATEX *)&wfex, NULL)) != S_OK)
+ {
+ qWarning("OutputWASAPI: IAudioClient::Initialize failed, error code = 0x%lx", result);
+ return false;
+ }
+
+ if((result = m_pAudioClient->GetBufferSize(&m_bufferSize)) != S_OK)
+ {
+ qWarning("OutputWASAPI: IAudioClient::GetBufferSize failed, error code = 0x%lx", result);
+ return false;
+ }
+
+ if((result = m_pAudioClient->GetService(IID_IAudioRenderClient, (void**)&m_pRenderClient)) != S_OK)
+ {
+ qWarning("OutputWASAPI: IAudioClient::GetService failed, error code = 0x%lx", result);
+ return false;
+ }
+
+ if((result = m_pAudioClient->Start()) != S_OK)
+ {
+ qWarning("OutputWASAPI: IAudioClient::Start failed, error code = 0x%lx", result);
+ return false;
+ }
+
+ configure(freq, out_map, format);
+
+
/*if((result = m_ds->SetCooperativeLevel(GetDesktopWindow(), DSSCL_PRIORITY)) != DS_OK)
{
qWarning("OutputDirectSound: SetCooperativeLevel failed, error code = 0x%lx", result);
@@ -214,6 +289,21 @@ qint64 OutputWASAPI::latency() qint64 OutputWASAPI::writeAudio(unsigned char *data, qint64 len)
{
+ UINT32 frames = 0;
+ BYTE *pData = 0;
+ DWORD flags = 0;
+ m_pAudioClient->GetCurrentPadding(&frames);
+
+ UINT32 framesAvailable = m_bufferSize - frames;
+
+ UINT32 to_write = qMin(framesAvailable, (UINT32)len / 4);
+
+ m_pRenderClient->GetBuffer(to_write, &pData);
+ memcpy(pData, data, to_write * 4);
+ m_pRenderClient->ReleaseBuffer(to_write, flags);
+ return to_write * 4;
+
+
/*unsigned char *ptr = 0, *ptr2 = 0;
DWORD size = 0, size2 = 0;
|