HRESULT CWASAPIRenderFilter::IsFormatSupported(const WAVEFORMATEXTENSIBLE* pwfx, WAVEFORMATEXTENSIBLE** pwfxAccepted)
{
WAVEFORMATEXTENSIBLE* pwfxCM = NULL;
WAVEFORMATEX* tmpPwfx = NULL;
HRESULT hr = m_pAudioClient->IsFormatSupported(m_pSettings->m_WASAPIShareMode, (WAVEFORMATEX*)pwfx, (WAVEFORMATEX**)&pwfxCM);
if (hr != S_OK)
{
CopyWaveFormatEx((WAVEFORMATEXTENSIBLE**)&tmpPwfx, pwfx);
tmpPwfx->cbSize = 0;
tmpPwfx->wFormatTag = WAVE_FORMAT_PCM;
hr = m_pAudioClient->IsFormatSupported(m_pSettings->m_WASAPIShareMode, (WAVEFORMATEX*)tmpPwfx, (WAVEFORMATEX**)&pwfxCM);
if (hr != S_OK)
{
Log("CWASAPIRenderFilter::NegotiateFormat WASAPI client refused the format: (0x%08x)", hr);
LogWaveFormat(pwfxCM, "Closest match would be" );
SAFE_DELETE_WAVEFORMATEX(tmpPwfx);
CoTaskMemFree(pwfxCM);
return VFW_E_TYPE_NOT_ACCEPTED;
}
ToWaveFormatExtensible(pwfxAccepted, tmpPwfx);
(*pwfxAccepted)->Format.cbSize = 0;
(*pwfxAccepted)->Format.wFormatTag = WAVE_FORMAT_PCM;
SAFE_DELETE_WAVEFORMATEX(tmpPwfx);
}
else
CopyWaveFormatEx(pwfxAccepted, pwfx);
return hr;
}
HRESULT CWASAPIRenderFilter::IsFormatSupported(const WAVEFORMATEXTENSIBLE* pwfx, WAVEFORMATEXTENSIBLE** pwfxAccepted)
{
WAVEFORMATEXTENSIBLE* pwfxCM = NULL;
WAVEFORMATEX* tmpPwfx = NULL;
AUDCLNT_SHAREMODE shareMode = m_pSettings->GetWASAPIMode();
HRESULT hr = m_pAudioClient->IsFormatSupported(shareMode, (WAVEFORMATEX*)pwfx, (WAVEFORMATEX**)&pwfxCM);
if (hr != S_OK)
{
if (hr == AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED)
{
Log("CWASAPIRenderFilter::NegotiateFormat WASAPI client will only accept shared mode sessions, check audio device's configuration.");
return hr;
}
if (CBaseAudioSink::CanBitstream(pwfx)) // Misrepresenting the media type for bit streamable formats will make negotiation succeed, but playback will not
return hr;
CopyWaveFormatEx((WAVEFORMATEXTENSIBLE**)&tmpPwfx, pwfx);
tmpPwfx->cbSize = 0;
tmpPwfx->wFormatTag = WAVE_FORMAT_PCM;
hr = m_pAudioClient->IsFormatSupported(shareMode, (WAVEFORMATEX*)tmpPwfx, (WAVEFORMATEX**)&pwfxCM);
if (hr != S_OK)
{
Log("CWASAPIRenderFilter::NegotiateFormat WASAPI client refused the format: (0x%08x)", hr);
LogWaveFormat(pwfxCM, "Closest match would be" );
SAFE_DELETE_WAVEFORMATEX(tmpPwfx);
CoTaskMemFree(pwfxCM);
return VFW_E_TYPE_NOT_ACCEPTED;
}
ToWaveFormatExtensible(pwfxAccepted, tmpPwfx);
(*pwfxAccepted)->Format.cbSize = 0;
(*pwfxAccepted)->Format.wFormatTag = WAVE_FORMAT_PCM;
SAFE_DELETE_WAVEFORMATEX(tmpPwfx);
}
else
CopyWaveFormatEx(pwfxAccepted, pwfx);
return hr;
}
