On 10/12/2017 7:19 PM, Carl Eugen Hoyos wrote: > 2017-10-13 0:12 GMT+02:00 James Almer <jamr...@gmail.com>: >> On 10/12/2017 6:50 PM, Carl Eugen Hoyos wrote: >>> 2017-10-12 23:45 GMT+02:00 James Almer <jamr...@gmail.com>: >>>> On 10/12/2017 6:41 PM, Michael Niedermayer wrote: >>> >>>>> also video4linux is gone >>>>> >>>>> ./configure >>>>> config.h:#define CONFIG_V4L2_INDEV 0 >>>>> >>>>> and with a branch with all that reverted: >>>>> ./configure >>>>> config.h:#define CONFIG_V4L2_INDEV 1 >>>> >>>> v4l2 is not autodetected. >>> >>> I tested several old versions, for the last 10 years, >>> v4l2 indev was auto-detected. >>> >>> From tests with really old versions I know that >>> video4linux (1) was always auto-detected (or >>> auto-enabled). >>> >>> Carl Eugen >> >> configure has the line >> >> --enable-libv4l2 enable libv4l2/v4l-utils [no] >> >> And before the commit i mentioned, it had the line >> >> libv4l2_indev_deps="libv4l2" >> >> If you check alldevices.c, there's no indev called "libv4l2_indev", only >> one called "v4l2_indev". >> Since the latter had no dependency on libv4l2, it was of course always >> enabled by default. I changed that in 734ed38931 (see ticket #6729, >> where doing that fixed a failure). >> >> So that indev being auto-enabled might have been a mistake all this time. > > Sorry, what are you talking about? > v4l2 was added in 2006 and auto-detected ever since. > Before 2006, there was already v4l (1) which was > auto-enabled since forever afair. > > There is a helper library called libv4l2 that - luckily - > is not auto-detected and shouldn't be.
So v4l2_indev should not depend on libv4l2? Any idea why doing that fixed ticket #6729? Also, i don't get then why was there a libv4l2_indev listed in configure. > > Carl Eugen > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
