Michel Promonet

Hi jasaw, It should be possible configuring log4cpp, I will look at that. Best Regards, Michel.

Hi, This come from a pull request, I hesitated to merge. It implements a buffer management inside library. Using startPartialWrite, multiple call to writePartial will fill up the buffer and...

Hi, Yes, sure, fill free to improve what you need. Best Regards, Michel.

Hi, You may increase log level to get more information. Best Regards, Michel.

Hi, I was speaking about increasing log verbosity of the application v4l2compress, from the log you provide, we just see /dev/video0 cannot be openned. Best Regards, Michel.

Hi, It seems the req buffers to the v4l2 kernel module fails, maybe a bug there. You can try with '-r' to use the read interface instead of mmap. Best...

Hi, v4l2compress doesnot change the resolution, it takes capture size and compress with same size. You may set resolution with v4l2-ctl before running v4l2compress. Best Regards, Michel.

Hi, This commit https://github.com/mpromonet/v4l2tools/commit/79af89894392d3cdef14cf3f71a8eb2662fdb006#diff-7a50a337891585a439948f5e4f0959f5 should help. Best Regards, Michel.

Hi SealedJoy, I guess this should be possible in the libyuv conversion before encoding for instance in https://github.com/mpromonet/v4l2tools/blob/master/include/x264encoder.h#L90 ``` libyuv::ConvertToI420((const uint8*)buffer, rsize, m_pic_in.img.plane[0], m_width, m_pic_in.img.plane[1], (m_width+1)/2, m_pic_in.img.plane[2], (m_width+1)/2, 0, 0,...

Hi, The ip comes from `gethostbyname(gethostname))`, I guess your /etc/hosts contains "127.0.1.1 raspberrypi". From the log we see also that v4l2 device cannot be initialized, if the v4l2loopback doesnot have...