avm

avm: Android Video Montage. Montage in a bash. Toolset for non-recompressing 4K video editing in Android Termux or Docker.

Usage

Windows, Linux, Mac

• Install and start docker, then
• Download this repository https://github.com/trolleway/avm/archive/refs/heads/main.zip or

git clone https://github.com/trolleway/avm.git

• Run interactively docker image with ffmpeg (bash or PowerShell on Windows)

docker run -it --rm  --entrypoint='bash'  -v ${PWD}:/tmp/workdir  jrottenberg/ffmpeg  

Android

Install and run Termux. Install in home catalog.

pkg in git -y
git clone https://github.com/trolleway/avm.git
cd avm
./deploy.sh

Run scripts in termux default folder, process files in android filesystem.

Examples

merge h264 or h265 mp4 videos withouth re-encoding

./avm/merge.sh dir_with_mp4

slow down gopro 120 fps to 60 fps with optional clip

./avm/gopro120to60.sh opolchenie/20210402-07.MP4  opolchenie/stage/20210402-07.MP4
./avm/gopro120to60.sh opolchenie/20210402-10.MP4  opolchenie/stage/20210402-10.MP4 1 3

convert any gopro h264 video to 60 fps

./avm/goproh264to60.sh GH016403.MP4  res/ramenskiy-boolvar.MP4 60 66
ffmpeg -y -i opolchenie/stage/20210402-50.MP4 -c:v libx265 -crf 26 -preset fast -c:a aac -b:a 128k  opolchenie/stage/20210402-50-h265.MP4 

gopro 120 fps to 60fps hevc

ffmpeg -i 20210402-05.MP4  -y -map 0:v -c:v copy -bsf:v  hevc_mp4toannexb raw.h265
ffmpeg -fflags +genpts -r 60  -y -i raw.h265 -c:v copy stage/20210402-05-265.MP4
rm  raw.h265

convert video for instagram (crop to square)

time ffmpeg -y -i opolchenie/stage/export/merge.MP4 -vf crop=1080:1080:812:220 -framerate 30 opolchenie/stage/export/merge-instagram.MP4
time ffmpeg -y -i mnevniki/stage/export/merge-audio.MP4 -vf crop=1080:1080:812:220 -framerate 30 mnevniki/stage/export/merge-audio-instagram.MP4

add audio to video

python3 audio.py video.mp4 audio.m4a

Produce two videofiles: with changed audio track, and with mixed audio track

convert video for twitter

./avm/enc-twitter.sh opolchenie/stage/export/merge.MP4  opolchenie/stage/export/merge-twitter.MP4

./avm/gopro120to60.sh opolchenie/20210402-07.MP4 opolchenie/stage/20210402-07.MP4

Overlay map on GoPro video

Stabilize GoPro timelapse

time ffmpeg -i 1.MP4 -vf vidstabdetect -f null 1.temp
time ffmpeg -i 1.MP4 -vf vidstabtransform=smoothing=5:input=transforms.trf 1.stab.MP4

Merge GoPro timelapse

python3 ../../stab.py  1.MP4 && python3 ../../stab.py 2.MP4 && python3 ../../stab.py 3.MP4 &&  python3 ../../stab.py 4.MP4
mkdir stabs
mv *-stab.mp4 stabs/
../../merge.sh stabs
mv stabs/merge/2023-05-30.mp4 stab-merge.mp4

For 4K video a special map rendering with high ppi needed. These tools can not use MapBox retina tiles. So i created a special map style in MapBox with big labels. Insert yor own api key in URLs

generate map overlay for list of gopro videos

generate map overlay for list of gopro videos v2

docker run --rm --mount="type=bind,source=c:\trolleway\avm\video\merge\,target=/videos/" thomergil/gpxmapmovie    --tms-url-template 'https://trolleway.com/tiles/youtube/{zoom}/{x}/{y}.png'   --tail-duration 10000   --pre-draw-track --line-width 4  --pre-draw-track-color '#808080' --zoom 16  --viewport-height 800  --viewport-width 800 --margin 100 --information-position hidden   --input /videos/1.MP4  --input /videos/2.MP4  --input /videos/3.MP4  --input /videos/4.MP4   --output /videos/overlay-detail.mp4

https://trolleway.com/tiles/youtube/{zoom}/{x}/{y}.png?apikey=

low-zoom map overlay. map zoom level hard-coded

docker run --rm --mount="type=bind,source=c:\trolleway\avm\video\merge\,target=/videos/" thomergil/gpxmapmovie    --tms-url-template 'https://api.mapbox.com/styles/v1/trolleway/cli8zdgj102q701qu2w8b3d4s/tiles/256/{zoom}/{x}/{y}?access_token='   --tail-duration 10000   --pre-draw-track --line-width 8  --pre-draw-track-color '#808080' --height 1000 --width 1000 --zoom 9  --information-position hidden --marker-size 12  --input /videos/1.MP4  --input /videos/2.MP4  --input /videos/3.MP4  --input /videos/4.MP4   --output /videos/overlay-big.mp4

overlay map on video

overlay-big appear for 3 seconds at begin of video

time ffmpeg -y -i stab-merge.mp4 -i overlay-detail.mp4 -i overlay-big.mp4   -filter_complex "[0:v][1:v]overlay=main_w-overlay_w:0[step1];[step1][2:v]overlay=0:0:enable='between(t,0,3)'[step2]" -map "[step2]" -map 0:a? -c:v libx264 -crf 18  -c:a copy combined.mp4