[FFmpeg-devel] Does the H.263 in FFmpeg support two pass encoding

2015-04-08 Thread Ramprasad N
Hi, The second pass shows error (IO error: Error number 0 occurred) but the file gets generated and looks fine, but I don't know whether it actually used the 1st pass. C:\Users\ramprasad>ffmpeg.exe -i foreman_qcif.y4m -b:v 128k -pass 1 -vcodec h263 -f 3gp -y NUL ffmpeg version N-69422-gf5722ba Cop

[FFmpeg-devel] Warning when compiling ffmpeg using msvc toolchain with --enable-pthreads

2015-04-15 Thread Ramprasad N
Hi, When using an ffmpeg.exe built using msys and the msvc toolchain, at run time a warning is displayed [udp @ 00395860] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required) So, I wanted to enable pthread I downloaded pthread-win32 Added the