The result so far is, a 30second 78MB file gets compressed to 4.3MB which takes around 1min 28seconds. What I have tried so far - FFMPEG version : n2.4.2īuild Configuraiton : -target-os=linux -cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi-arch=arm -cpu=cortex-a8 -enable-runtime-cpudetect -sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot -enable-pic -enable-libx264 -enable-libass -enable-libfreetype -enable-libfribidi -enable-fontconfig -enable-pthreads -disable-debug -disable-ffserver -enable-version3 -enable-hardcoded-tables -disable-ffplay -disable-ffprobe -enable-gpl -enable-yasm -disable-doc -disable-shared -enable-static -pkg-config=/home/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config -prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a-neon -extra-cflags='-I/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -mfpu=neon' -extra-ldflags='-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' -extra-libs='-lpng -lexpat -lm' -extra-cxxflags=Ĭommand: ffmpeg -y -i /storage/emulated/0/main.mp4 -s 480x320 -r 20 -c:v libx264 -preset ultrafast -c:a copy -me_method zero -tune fastdecode -tune zerolatency -strict -2 -b:v 1000k -pix_fmt yuv420p /storage/emulated/0/output.mp4

I want to know how do they do it so fast?

I have seen viber can upload 30 second video file of size 32MB within a minute.

I want to upload video files to server and compress before uploading.

Ffmpeg android stackoverflow