#define CHROMA_LONGTEXT N_( \
"Force the DirectShow video input to use a specific chroma format " \
"(eg. I420 (default), RV24, etc.)")
+#define FPS_TEXT N_("Video input frame rate")
+#define FPS_LONGTEXT N_( \
+ "Force the DirectShow video input to use a specific frame rate" \
+ "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
#define CONFIG_TEXT N_("Device properties")
#define CONFIG_LONGTEXT N_( \
"Show the properties dialog of the selected device before starting the " \
add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
VLC_TRUE );
+ add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT,
+ VLC_TRUE );
+
add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
VLC_FALSE );
}
if( val.psz_string ) free( val.psz_string );
+ var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
var_Create( p_this, "dshow-tuner-channel",
VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Create( p_this, "dshow-tuner-country",
p_bag->Release();
if( SUCCEEDED(hr) )
{
- int i_convert = ( lstrlenW( var.bstrVal ) + 1 ) * 2;
+ int i_convert = WideCharToMultiByte(CP_ACP, 0, var.bstrVal,
+ SysStringLen(var.bstrVal), NULL, 0, NULL, NULL);
char *p_buf = (char *)alloca( i_convert ); p_buf[0] = 0;
- WideCharToMultiByte( CP_ACP, 0, var.bstrVal, -1, p_buf,
- i_convert, NULL, NULL );
+ WideCharToMultiByte( CP_ACP, 0, var.bstrVal,
+ SysStringLen(var.bstrVal), p_buf, i_convert, NULL, NULL );
SysFreeString(var.bstrVal);
if( p_listdevices ) p_listdevices->push_back( p_buf );
IEnumMediaTypes *p_enummt;
size_t mt_count = 0;
+ LONGLONG i_AvgTimePerFrame = 0;
+ float r_fps = var_GetFloat( p_this, "dshow-fps" );
+ if( r_fps )
+ i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
+
if( FAILED(p_filter->EnumPins( &p_enumpins )) )
{
msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
}
- /* Probe pin */
- if( !SUCCEEDED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
+ AM_MEDIA_TYPE *p_mt;
+
+ /*
+ ** Configure pin with a default compatible media if possible
+ */
+
+ IAMStreamConfig *pSC;
+ if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
+ (void **)&pSC )) )
+ {
+ int piCount, piSize;
+ if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
+ {
+ BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
+ if( NULL != pSCC )
+ {
+ for( int i=0; i<piCount; ++i )
+ {
+ if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
+ {
+ int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
+
+ if( !i_current_fourcc || (i_fourcc && (i_current_fourcc != i_fourcc)) )
+ {
+ // incompatible or unrecognized chroma, try next media type
+ FreeMediaType( *p_mt );
+ CoTaskMemFree( (PVOID)p_mt );
+ continue;
+ }
+
+ if( MEDIATYPE_Video == p_mt->majortype
+ && FORMAT_VideoInfo == p_mt->formattype )
+ {
+ VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
+ VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
+
+ if( i_AvgTimePerFrame )
+ {
+ if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
+ || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
+ {
+ // required frame rate not compatible, try next media type
+ FreeMediaType( *p_mt );
+ CoTaskMemFree( (PVOID)p_mt );
+ continue;
+ }
+ pVih->AvgTimePerFrame = i_AvgTimePerFrame;
+ }
+
+ if( i_width )
+ {
+ if( i_width % pVSCC->OutputGranularityX
+ || pVSCC->MinOutputSize.cx > i_width
+ || i_width > pVSCC->MaxOutputSize.cx )
+ {
+ // required width not compatible, try next media type
+ FreeMediaType( *p_mt );
+ CoTaskMemFree( (PVOID)p_mt );
+ continue;
+ }
+ pVih->bmiHeader.biWidth = i_width;
+ }
+
+ if( i_height )
+ {
+ if( i_height % pVSCC->OutputGranularityY
+ || pVSCC->MinOutputSize.cy > i_height
+ || i_height > pVSCC->MaxOutputSize.cy )
+ {
+ // required height not compatible, try next media type
+ FreeMediaType( *p_mt );
+ CoTaskMemFree( (PVOID)p_mt );
+ continue;
+ }
+ pVih->bmiHeader.biHeight = i_height;
+ }
+
+ // Set the sample size and image size.
+ // (Round the image width up to a DWORD boundary.)
+ p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
+ ((pVih->bmiHeader.biWidth + 3) & ~3) *
+ pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
+
+ // no cropping, use full video input buffer
+ memset(&(pVih->rcSource), 0, sizeof(RECT));
+ memset(&(pVih->rcTarget), 0, sizeof(RECT));
+
+ // select this format as default
+ if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
+ {
+ msg_Dbg( p_this, "EnumDeviceCaps: input pin video format configured");
+ // no need to check any more media types
+ i = piCount;
+ }
+ else FreeMediaType( *p_mt );
+ }
+ else if( p_mt->majortype == MEDIATYPE_Audio
+ && p_mt->formattype == FORMAT_WaveFormatEx )
+ {
+ 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_channels % pASCC->ChannelsGranularity
+ || (unsigned int)i_channels < pASCC->MinimumChannels
+ || (unsigned int)i_channels > pASCC->MaximumChannels )
+ {
+ // required channels not compatible, try next media type
+ FreeMediaType( *p_mt );
+ CoTaskMemFree( (PVOID)p_mt );
+ continue;
+ }
+ pWfx->nChannels = i_channels;
+ }
+
+ if( i_samplespersec )
+ {
+ if( i_samplespersec % pASCC->BitsPerSampleGranularity
+ || (unsigned int)i_samplespersec < pASCC->MinimumSampleFrequency
+ || (unsigned int)i_samplespersec > pASCC->MaximumSampleFrequency )
+ {
+ // required sampling rate not compatible, try next media type
+ FreeMediaType( *p_mt );
+ CoTaskMemFree( (PVOID)p_mt );
+ continue;
+ }
+ pWfx->nSamplesPerSec = i_samplespersec;
+ }
+
+ 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
+ FreeMediaType( *p_mt );
+ CoTaskMemFree( (PVOID)p_mt );
+ continue;
+ }
+ pWfx->wBitsPerSample = i_bitspersample;
+ }
+
+ // select this format as default
+ if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
+ {
+ msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
+ // no need to check any more media types
+ i = piCount;
+ }
+ }
+ FreeMediaType( *p_mt );
+ CoTaskMemFree( (PVOID)p_mt );
+ }
+ }
+ CoTaskMemFree( (LPVOID)pSCC );
+ }
+ }
+ pSC->Release();
+ }
+
+ /*
+ ** Probe pin for available medias (may be a previously configured one)
+ */
+
+ if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
{
p_output_pin->Release();
continue;
}
- AM_MEDIA_TYPE *p_mt;
+
while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
{
int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
- if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video )
+ if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
+ && p_mt->formattype == FORMAT_VideoInfo )
{
- int i_current_width = p_mt->pbFormat ?
- ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth :0;
- int i_current_height = p_mt->pbFormat ?
- ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight :0;
+ int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
+ int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
+ LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
+
if( i_current_height < 0 )
i_current_height = -i_current_height;
msg_Dbg( p_this, "EnumDeviceCaps: input pin "
- "accepts chroma: %4.4s, width:%i, height:%i",
+ "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
(char *)&i_current_fourcc, i_current_width,
- i_current_height );
+ i_current_height, (10000000.0f/((float)i_current_atpf)) );
if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
( !i_width || i_width == i_current_width ) &&
( !i_height || i_height == i_current_height ) &&
+ ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
mt_count < mt_max )
{
/* Pick match */
}
else FreeMediaType( *p_mt );
}
- else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio )
+ else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
+ && p_mt->formattype == FORMAT_WaveFormatEx)
{
int i_current_channels =
((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
- msg_Dbg( p_this, "EnumDeviceCaps: input pin: unknown format "
+ msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unknown format "
"(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
FreeMediaType( *p_mt );
}
}
/* Try to grab a video sample */
if( i_stream == p_sys->i_streams )
- for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
{
- p_stream = p_sys->pp_streams[i_stream];
- if( p_stream->p_capture_filter &&
- p_stream->p_capture_filter->CustomGetPin()
- ->CustomGetSample( &sample ) == S_OK )
+ for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
{
- break;
+ p_stream = p_sys->pp_streams[i_stream];
+ if( p_stream->p_capture_filter &&
+ p_stream->p_capture_filter->CustomGetPin()
+ ->CustomGetSample( &sample ) == S_OK )
+ {
+ break;
+ }
}
}
projects / vlc / commitdiff