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  23. 14 Aug, 2009 - 2 commits
    • hans@rhel5-devel.localdomain's avatar
      libv4l: Do not hide JPG / MJPG pixfmt from applications · 039eb834
      hans@rhel5-devel.localdomain authored
      
      From: Hans de Goede <hdegoede@redhat.com>
      
      Some applications want to use jpg format if possible, so do not hide
      it from the apps (do not assume it always needs conversion)
      
      Priority: normal
      
      Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
      039eb834
    • hans@rhel5-devel.localdomain's avatar
      libv4l: Fix reqbuf Device or Resource busy error when using read · fb7932c0
      hans@rhel5-devel.localdomain authored
      
      From: Hans de Goede <hdegoede@redhat.com>
      
      Some applications such as v4l2-apps/test/capture-example.c, in read mode
      use select() together with read() and do a select() before the first read().
      
      This causes issues together with certain drivers (gspca for example),
      do not allow switching from read mode to mmap mode and they assume read()
      mode if a select or poll() is done before any buffers are requested.
      
      When not using libv4l2, this is not an issue but libv4l2 uses mmap mode
      under the hood when converting as that safes a memcpy for each frame read.
      
      This fails with such drivers when the application has done a select() before
      the first read() as the driver now is in "read mode" and disallows switching
      to mmap mode.
      
      This patch fixes this by falling back to using read() for v4l2_read() when
      using mmap mode fails.
      
      Priority: normal
      
      Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
      fb7932c0
  24. 05 Aug, 2009 - 1 commit
  25. 03 Aug, 2009 - 1 commit