On 5/21/15, Christoph Gerstbauer <[email protected]> wrote:
>> Very, very generally: No, this is the reason why
>> a decoder is needed: Some applications produce
>> an incorrect framesize for a given resolution.
>>
>> But in the case of a given application, the
>> framesize has to be constant for a given
>> resolution: If it is not, the file cannot be read.
>>
>> (And the framesize is of course defined by the
>> specification for a given resolution but as said,
>> some encoders use an incorrect stride.)
>>
>> You can definitely use this syntax to read the
>> raw files from your capture card, but is should
>> be way easier to use -f dshow instead.
>>
>
> Yes, I could do this if our card would be supported (Decklink), but we
> dont use Decklink cards. :/ We use DVS Cards.
>
> ffmpeg supported devices for dshow:
> [dshow @ 00000000003c6820] DirectShow video devices (some may be both
> video and audio devices)
> [dshow @ 00000000003c6820]  "Logitech HD Webcam C525"
> [dshow @ 00000000003c6820]     Alternative name
> "@device_pnp_\\?\usb#vid_046d&pid_0826&mi_02#7&1469f92a&3&0002#{65e8773d-8f56-11d0-a3b
> [dshow @ 00000000003c6820]  "Decklink Video Capture"
> [dshow @ 00000000003c6820]     Alternative name
> "@device_sw_{860BB310-5D01-11D0-BD3B-00A0C911CE86}\{44A8B5C7-13B6-4211-BD40-35B629D9E6
> [dshow @ 00000000003c6820] DirectShow audio devices
> [dshow @ 00000000003c6820]  "Microphone (HD Webcam C525)"
> [dshow @ 00000000003c6820]     Alternative name
> "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\Microphone (HD Webcam
> C525)"
> [dshow @ 00000000003c6820]  "Decklink Audio Capture"
> [dshow @ 00000000003c6820]     Alternative name
> "@device_sw_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\{AAA22F7E-5AA0-49D9-8C8D-B52B1AA92E
> [dshow @ 00000000003c6820]  "Headset Microphone (4- Logitech"
> [dshow @ 00000000003c6820]     Alternative name
> "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\Headset Microphone
> (4- Logitech"
> [dshow @ 00000000003c6820]  "Realtek Digital Input (Realtek "
> [dshow @ 00000000003c6820]     Alternative name
> "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\Realtek Digital Input
> (Realtek "

Is there anything lacking in the dshow support?
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