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qt4 debug: Initialization of Capture device panel
dshow error: no video capture device was detected
qt4 warning: Input option: dshow-vdev=
qt4 warning: Input option: dshow-adev=
main debug: adding item `dshow://' ( dshow:// )
main debug: rebuilding array of current - root Playlist
main debug: rebuild done - 1 items, index -1
main debug: processing request item dshow:// node null skip 0
main debug: resyncing on dshow://
main debug: dshow:// is at 0
main debug: starting new item
main debug: creating new input thread
main debug: Creating an input for 'dshow://'
qt4 debug: Adding a new MRL to recent ones: dshow://
main debug: thread (input) created at priority 1 (../.././src/input/input.c:230)
main debug: thread started
main debug: using timeshift granularity of 50 MBytes
main debug: using timeshift path 'C:\DOCUME~1\CC_ADM~1\DEFINI~1\Temp'
main debug: `dshow://' gives access `dshow' demux `' path `'
main debug: creating demux: access='dshow' demux='' path=''
main debug: looking for access_demux module: 1 candidate
dshow debug: dshow-vdev:
dshow debug: dshow-adev:
dshow error: no video capture device was detected
dshow error: can't open video device
dshow debug: found device: Dispositivo wave SB Live!
dshow debug: asking for default device: Dispositivo wave SB Live!
dshow debug: asked for Dispositivo wave SB Live!, binding to Dispositivo wave SB Live!
dshow debug: using device: Dispositivo wave SB Live!
dshow debug: EnumDeviceCaps: output pin: Capture
dshow debug: EnumDeviceCaps: input pin: Grava��o principal
dshow debug: EnumDeviceCaps: input pin: Entrada SPDIF
dshow debug: EnumDeviceCaps: input pin: CD digital
dshow debug: EnumDeviceCaps: input pin: MIDI
dshow debug: EnumDeviceCaps: input pin: CD �udio
dshow debug: EnumDeviceCaps: input pin: Entrada de linha
dshow debug: EnumDeviceCaps: input pin: Microfone
dshow debug: EnumDeviceCaps: input pin: Auxiliar
dshow debug: EnumDeviceCaps: input pin: Entrada TAD
dshow debug: EnumDeviceCaps: input pin: Wave
dshow debug: EnumDeviceCaps: trying pin Capture
qt4 debug: IM: Setting an input
qt4 debug: Updating the geometry
qt4 debug: Updating the geometry
dshow debug: EnumDeviceCaps: input pin default format configured
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:44100 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:44100 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:1, samples/sec:44100 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:32000 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:1, samples/sec:32000 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:22050 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:1, samples/sec:22050 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:11025 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:1, samples/sec:11025 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:8000 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:1, samples/sec:8000 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:44100 bits/sample:8
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:1, samples/sec:44100 bits/sample:8
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:22050 bits/sample:8
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:1, samples/sec:22050 bits/sample:8
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:11025 bits/sample:8
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:1, samples/sec:11025 bits/sample:8
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:8000 bits/sample:8
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:1, samples/sec:8000 bits/sample:8
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:48000 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:1, samples/sec:48000 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:2, samples/sec:96000 bits/sample:16
dshow debug: EnumDeviceCaps: input pin accepts format: araw, channels:1, samples/sec:96000 bits/sample:16
dshow debug: CaptureFilter::JoinFilterGraph
dshow debug: connecting filters
dshow debug: CaptureFilter::EnumPins
dshow debug: CapturePin::QueryDirection
dshow debug: CapturePin::ConnectedTo [not connected]
dshow debug: CapturePin::QueryPinInfo
dshow debug: CaptureFilter::QueryFilterInfo
dshow debug: CapturePin::QueryPinInfo
dshow debug: CaptureFilter::EnumPins
dshow debug: CapturePin::QueryDirection
dshow debug: CapturePin::QueryDirection
dshow debug: CapturePin::QueryAccept [OK] (channels=2, samples/sec=44100, bits/samples=16, format=araw)
dshow debug: CapturePin::ReceiveConnection [OK]
dshow debug: CapturePin::NotifyAllocator
dshow debug: filters connected successfully !
dshow debug: MEDIATYPE_Audio
dshow debug: selected audio pin accepts format: araw
dshow debug: Playing...
dshow debug: CapturePin::QueryPinInfo
dshow debug: CaptureFilter::EnumPins
dshow debug: CapturePin::QueryDirection
dshow debug: CapturePin::QueryPinInfo
dshow debug: CaptureFilter::EnumPins
dshow debug: CapturePin::QueryDirection
dshow debug: CaptureFilter::EnumPins
dshow debug: CapturePin::QueryDirection
dshow debug: CaptureFilter::EnumPins
dshow debug: CapturePin::QueryDirection
dshow debug: CapturePin::ConnectedTo [OK]
dshow debug: CaptureFilter::SetSyncSource
dshow debug: CaptureFilter::Pause
dshow debug: CaptureFilter::Run
main debug: selecting program id=0
main debug: using access_demux module "dshow"
main debug: TIMER module_need() : 1197.000 ms - Total 1197.000 ms / 1 intvls (Avg 1197.000 ms)
qt4 debug: Updating the geometry
qt4 debug: Updating the geometry
qt4 debug: Updating the geometry
qt4 debug: Updating the geometry
qt4 debug: Updating the geometry
main debug: looking for a subtitle file in C:\Programas\Standalone\Video Lan\
main debug: looking for decoder module: 36 candidates
araw debug: samplerate:44100Hz channels:2 bits/sample:16
main debug: using decoder module "araw"
main debug: TIMER module_need() : 7744.000 ms - Total 7744.000 ms / 1 intvls (Avg 7744.000 ms)
main debug: thread started
main debug: thread (decoder) created at priority 2 (../.././src/input/decoder.c:315)
main debug: `dshow://' successfully opened
main debug: Buffering 0%
main debug: creating aout
main debug: looking for audio output module: 3 candidates
main debug: Buffering -55%
main debug: Buffering -110%
main debug: Buffering -165%
main debug: Buffering 55%
main debug: Stream buffering done (7566 ms in 198 ms)
qt4 debug: Updating the geometry
qt4 debug: Updating the geometry
aout_directx debug: OpenAudio
qt4 debug: New caching: 100
qt4 debug: New caching: 100
aout_directx debug: found device: Controlador de som principal
aout_directx debug: found device: Dispositivo wave SB Live!
aout_directx debug: device supports 2 channels (DEFAULT!)
aout_directx debug: device supports 1 channel
aout_directx debug: Windows says your SpeakerConfig is surround
aout_directx debug: Windows says your SpeakerConfig is stereo
aout_directx debug: creating DirectSoundThread
main debug: thread (DirectSound Notification Thread) created at priority 15 (../../.././modules/audio_output/directx.c:427)
main debug: using audio output module "aout_directx"
main debug: TIMER module_need() : 1332.000 ms - Total 1332.000 ms / 1 intvls (Avg 1332.000 ms)
main debug: thread started
aout_directx debug: DirectSoundThread ready
main debug: output 's16l' 44100 Hz Stereo frame=1 samples/4 bytes
main debug: mixer 'fl32' 44100 Hz Stereo frame=1 samples/8 bytes
main debug: filter(s) 'fl32'->'s16l' 44100 Hz->44100 Hz Stereo->Stereo
main debug: looking for audio filter module: 24 candidates
main debug: using audio filter module "converter_float"
main debug: TIMER module_need() : 10126.000 ms - Total 10126.000 ms / 1 intvls (Avg 10126.000 ms)
main debug: found a filter for the whole conversion
main debug: looking for audio mixer module: 3 candidates
main debug: using audio mixer module "float32_mixer"
main debug: TIMER module_need() : 543.000 ms - Total 543.000 ms / 1 intvls (Avg 543.000 ms)
main debug: input 's16l' 44100 Hz Stereo frame=1 samples/4 bytes
main debug: looking for audio filter module: 1 candidate
scaletempo warning: bad input or output format
main warning: no audio filter module matching "scaletempo" could be loaded
main debug: TIMER module_need() : 679.000 ms - Total 679.000 ms / 1 intvls (Avg 679.000 ms)
main debug: looking for audio filter module: 1 candidate
scaletempo debug: format: 44100 rate, 2 nch, 4 bps, fl32
scaletempo debug: params: 30 stride, 0.200 overlap, 14 search
scaletempo debug: 1.000 scale, 1323.000 stride_in, 1323 stride_out, 1059 standing, 264 overlap, 617 search, 2204 queue, fl32 mode
main debug: using audio filter module "scaletempo"
main debug: TIMER module_need() : 1.000 ms - Total 1.000 ms / 1 intvls (Avg 1.000 ms)
main debug: filter(s) 's16l'->'fl32' 44100 Hz->44100 Hz Stereo->Stereo
main debug: looking for audio filter module: 24 candidates
main debug: using audio filter module "converter_float"
main debug: TIMER module_need() : 980.000 ms - Total 980.000 ms / 1 intvls (Avg 980.000 ms)
main debug: found a filter for the whole conversion
main debug: filter(s) 'fl32'->'fl32' 48510 Hz->44100 Hz Stereo->Stereo
main debug: looking for audio filter module: 24 candidates
main debug: using audio filter module "bandlimited_resampler"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: found a filter for the whole conversion
main debug: End of audio preroll
main debug: Decoder buffering done in 13470 ms
main warning: PTS is out of range (-10000), dropping buffer
main warning: PTS is out of range (-32219), dropping buffer
main warning: PTS is out of range (102000), dropping buffer
main warning: PTS is out of range (78781), dropping buffer
main warning: PTS is out of range (55561), dropping buffer
main warning: PTS is out of range (32341), dropping buffer
main warning: PTS is out of range (9121), dropping buffer
main warning: PTS is out of range (212000), dropping buffer
main warning: PTS is out of range (188781), dropping buffer
main warning: PTS is out of range (165561), dropping buffer
main warning: PTS is out of range (142341), dropping buffer
main warning: PTS is out of range (119121), dropping buffer
main warning: PTS is out of range (324000), dropping buffer
main warning: PTS is out of range (300781), dropping buffer
main warning: PTS is out of range (277561), dropping buffer
main warning: PTS is out of range (254341), dropping buffer
main warning: PTS is out of range (231121), dropping buffer
main warning: received buffer in the future
main warning: received buffer in the future
main warning: received buffer in the future
main warning: received buffer in the future
main warning: received buffer in the future
main warning: audio drift is too big (242528), dropping buffer
main warning: audio drift is too big (219309), dropping buffer
main warning: audio drift is too big (196089), dropping buffer
main warning: audio drift is too big (172869), dropping buffer
main warning: audio drift is too big (149649), dropping buffer
main warning: PTS is out of range (24000), dropping buffer
main warning: PTS is out of range (781), dropping buffer
main warning: PTS is out of range (-22439), dropping buffer
main warning: audio drift is too big (283869), dropping buffer
main warning: audio drift is too big (260649), dropping buffer
main warning: PTS is out of range (134000), dropping buffer
main warning: PTS is out of range (110781), dropping buffer
main warning: PTS is out of range (87561), dropping buffer
main warning: PTS is out of range (64341), dropping buffer
main warning: PTS is out of range (41121), dropping buffer
main warning: audio drift is too big (-469859), clearing out
main warning: output PTS is out of range (8561), clearing out
main warning: audio drift is too big (463597), dropping buffer
main warning: audio drift is too big (440377), dropping buffer
main warning: audio drift is too big (417157), dropping buffer
main warning: audio drift is too big (399036), dropping buffer
main warning: audio drift is too big (375817), dropping buffer
main warning: audio drift is too big (352597), dropping buffer
main warning: audio drift is too big (329377), dropping buffer
main warning: audio drift is too big (306157), dropping buffer
main warning: audio drift is too big (290036), dropping buffer
main warning: audio drift is too big (266817), dropping buffer
main warning: audio drift is too big (243597), dropping buffer
main warning: audio drift is too big (220377), dropping buffer
main warning: audio drift is too big (197157), dropping buffer
main warning: audio drift is too big (180036), dropping buffer
main warning: audio drift is too big (156817), dropping buffer
main warning: audio drift is too big (133597), dropping buffer
main warning: buffer is 110377 late, triggering upsampling
main debug: audio output is starving (316499), playing silence
main warning: audio drift is too big (142214), dropping buffer
main warning: audio drift is too big (127712), dropping buffer
main warning: resampling stopped after 12080000 usec (drift: -29779)
dshow error: no video capture device was detected

Open Tools -> Messages... (set Verbosity to 2) before trying to open the DirectShow device. After you have tried, paste messages here.

dshow error: no video capture device was detected
dshow error: can't open video device

dshow error: no video capture device was detected
dshow error: can't open video device

No device. Is the Video device name dropdown list empty?