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vlc-1.1
Commit 00788d2d authored by Damien Fouilleul's avatar Damien Fouilleul
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- should fix audio capture for Hauppagge WinTV PVR and other cards

parent 52942a49
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Showing with 29 additions and 21 deletions
modules/access/dshow/dshow.cpp
View file @ 00788d2d
......@@ -874,7 +874,7 @@ static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
// Retreive acceptable media types supported by device
AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
size_t media_count =
EnumDeviceCaps( p_this, p_device_filter, p_sys->i_chroma,
EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
p_sys->i_width, p_sys->i_height,
0, 0, 0, media_types, MAX_MEDIA_TYPES );
......@@ -1280,55 +1280,63 @@ static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
if( i_channels )
if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
{
if( ! i_channels )
i_channels = 2;
if( i_channels % pASCC->ChannelsGranularity
|| (unsigned int)i_channels < pASCC->MinimumChannels
|| (unsigned int)i_channels > pASCC->MaximumChannels )
{
// required number channels not compatible, try next media type
// required number channels not available, try next media type
FreeMediaType( *p_mt );
CoTaskMemFree( (PVOID)p_mt );
continue;
}
pWfx->nChannels = i_channels;
}
if( i_samplespersec )
{
if( i_samplespersec % pASCC->BitsPerSampleGranularity
if( ! i_samplespersec )
i_samplespersec = 44100;
if( i_samplespersec % pASCC->SampleFrequencyGranularity
|| (unsigned int)i_samplespersec < pASCC->MinimumSampleFrequency
|| (unsigned int)i_samplespersec > pASCC->MaximumSampleFrequency )
{
// required sampling rate not compatible, try next media type
// required sampling rate not available, try next media type
FreeMediaType( *p_mt );
CoTaskMemFree( (PVOID)p_mt );
continue;
}
pWfx->nSamplesPerSec = i_samplespersec;
}
if( !i_bitspersample )
{
if( VLC_FOURCC('f', 'l', '3', '2') == i_current_fourcc )
i_bitspersample = 32;
else
i_bitspersample = 16;
}
if( i_bitspersample )
{
if( i_bitspersample % pASCC->BitsPerSampleGranularity
|| (unsigned int)i_bitspersample < pASCC->MinimumBitsPerSample
|| (unsigned int)i_bitspersample > pASCC->MaximumBitsPerSample )
{
// required sample size not compatible, try next media type
// required sample size not available, try next media type
FreeMediaType( *p_mt );
CoTaskMemFree( (PVOID)p_mt );
continue;
}
pWfx->wBitsPerSample = i_bitspersample;
}
pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
// select this format as default
if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
{
i_priority = i_current_priority;
if( i_fourcc )
// no need to check any more media types
i = piCount;
// select this format as default
if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
{
i_priority = i_current_priority;
}
}
}
FreeMediaType( *p_mt );
......@@ -1474,7 +1482,7 @@ static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
&& p_mt->majortype == MEDIATYPE_Video )
{
// ouput format for 'Hauppauge WinTV PVR PCI II Capture'
// output format for 'Hauppauge WinTV PVR PCI II Capture'
// try I420 as an input format
i_current_fourcc = VLC_FOURCC('I','4','2','0');
if( !i_fourcc || i_fourcc == i_current_fourcc )
......
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