小编Hur*_*ron的帖子

我正在尝试使用Windows 7 @ 720p从blackmagic decklink采集卡捕获音频和视频,但我似乎无法正确获得ffmpeg命令行设置.

ffmpeg -list_devices true -f dshow -i dummy

[dshow @ 02457a60] DirectShow video devices
[dshow @ 02457a60]  "Blackmagic WDM Capture"
[dshow @ 02457a60]  "Decklink Video Capture"
[dshow @ 02457a60] DirectShow audio devices
[dshow @ 02457a60]  "Decklink Audio Capture"

ffmpeg -list_options true -f dshow -i video ="Decklink Video Capture"

[dshow @ 03c2ea20] DirectShow video device options
[dshow @ 03c2ea20]  Pin "Capture"
[dshow @ 03c2ea20]   pixel_format=uyvy422  min s=720x486 fps=29.97 max s=720x486 fps=29.97
[dshow @ 03c2ea20]   pixel_format=uyvy422  min s=720x486 …