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JuliaIO / VideoIO.jl

Reading and writing of video files in Julia via ffmpeg
https://juliaio.github.io/VideoIO.jl/stable
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Wrong `framerate()` of webcam #376

Open chunjiw opened 2 years ago

chunjiw commented 2 years ago 
cam = opencamera()
VideoIO.framerate(cam)

gives 1//0. The webcam works normally.

Julia Version 1.7.3
Commit 742b9abb4d (2022-05-06 12:58 UTC)
Platform Info:
  OS: Windows (x86_64-w64-mingw32)
  CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-12.0.1 (ORCJIT, skylake)
IanButterworth commented 2 years ago

Seems similar to https://github.com/JuliaIO/VideoIO.jl/issues/349

chunjiw commented 2 years ago

Yeah, it is a similar issue, but the workaround in #349 does not work for webcam.