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• Revision cad4a91429 : Change INT64_MAX to LLONG_MAX This is needed to make the windows build work aft

  2 janvier 2013, par Paul Wilkins

  Changed Paths : Modify /vp9/encoder/vp9_rdopt.c Change INT64_MAX to LLONG_MAX This is needed to make the windows build work after the removal of vp9_type_alisases.h. Change-Id : I8addf38e9f3c8b864e0e30a8916a26e0264dd02c

• Windows Batch Script For loop

  14 avril 2013, par Dobbo1989

  I am new to batch scripts, I am trying to figure out how to create a script that will take all video files in a folder videos*.* and then use ffmpeg on each one and output the files to converted*.mp4 where the filenames are the same.

  However I cant figure out how to get the for loop working so that I can extract the name and extension type of file I am processing.

  for %%f IN (videos\*.*) DO (convert.bat %%f)

  convert.bat

  ffmpeg.exe -i %1 -f mp4 converted\%~n.mp4

  I have tried both with and without double quotes however it wont recognise the file.

• SOLVED - Compiling FFMPEG on Windows with Cywin and NDK r5

  19 mai 2012, par protectedmember

  This isn't a question - it's an answer for alll of you who have been facing the same problems as I have. I've been trying to compile this thing for a while now and I know of the numerous posts floating around the internet offering help. I have read and tried most of the suggestions and wanted to colate my success into this single post for others to benefit from.

  Since I don't have a blog, I thought it wouldn't hurt to post on here instead.

  I have managed to compile FFMPEG 0.10.3 (Freedom) on Windows 7 (32 bit) using NDK r5 and Cygwin. The steps :

  1 - Download/install Cygwin in the root of your C drive. I'm not going to give instructions on this, it's simple enough and there are plenty of tutorials on this.

  2 - Download NDK r5 from here and extract to the root of your C drive.

  3 - Download FFMPEG 0.10.3 from here and extract to the root of your C drive.

  4 - Open the file 'configure' in the root of the FFMPEG directory in a text editor.

  5 - Comment out lines 2073, 2074 and 2075.

  6 - Below 2075, add the following line :

  TMPDIR=c :/cygwin/tmp

  7 - Download this script (thankyou roman10) and place it inside your FFMPEG root directory. Rename the file to

  build_android.sh

  8 - Open the script in a text editor and edit line 17 to read

  c :/android-ndk-r5

  9 - Click start > run and type "bash" (without the speech marks) and press enter.

  10 - Type the following and press enter :

  cd /cygdrive/c/ffmpeg-0.10.3

  11 - Type the following and press enter :

  ./build_android.sh

  12 - Sit back and wait... libffmpeg.so will soon appear in your "c :\ffmpeg-0.10.3\android\" directory (where is defined in the bottom of the script from roman10's blog). The default architecture is armv7-a.

  The script from roman10's blog will actually compile quite a large shared object (.so) file. The compiler flags can be adjusted to suit your needs in the script from roman10's blog.

  I hope this helps,

  P.