Use MEDIAINFO to examine video files indepth (f.e. find out whether the FPS is constant) ===================== Ratio-Calc_(for_rolling): E:\Dropbox\Public\Texte + Bilder\Computer Tipps & Tricks\Excel\Ratio_Calc_KKV_GGT.ods Rolling image calc/screen aspect ratio: *http://andrew.hedges.name/experiments/aspect_ratio/ *http://www.umrechnung.org/mathematik-kgv-ggt-berechnen/gemeinsames-vielfaches-teiler.htm Convert Subitle (multi via zip): https://lab.sorz.org/tools/asstosrt/ Loop-video-x-times: https://www.media.io/de/loop-video.html Merge/Combine video: https://www.media.io/merge-video.html https://online-video-cutter.com/de/ ============= DLD_FFMPEG: https://ffmpeg.zeranoe.com/builds/ _____________________________________________________________________________________________ >>>>>>>> ONLINE_CONVERT_ALTERNATIVE: https://cloudconvert.com/gif-to-mp4 [Container: MPEG4 Customres: 640x1136]<<<<<<<<<<<< ________________________________________________________________________ *convert-videoformats *remuxvi-deoformats *convert-audioformats mp4 to animated gif ------------------------------- ffmpeg -i *.mp4 -vf "fps=10,scale=-1:-1:flags=lanczos" -c:v gif output.gif ____________________ Cut first 50 sec of mp3 discard rest ------------------------------------- ffmpeg -i *.mp3 -ss 0 -t 50 output_file.mp3 _________________________ Change audio loudness / volume: ------------------------------- ffmpeg -i scrollclick.mp3 -filter:a "volume=2.5" scrollclick.mp3 mkdir -p gain && for file in *.mp3; do ffmpeg -i "$file" -filter:a "volume=2.5" "gain/$file"; done ________________________________ Concat mp4s in curr folder in one: --------------------------------- files="" for f in *.mp4; do files+="file '$PWD/$f'\n" done echo -e "$files" > input.txt ffmpeg -f concat -safe 0 -i input.txt -c copy output.mp4 _____________________ Fix "too many packets buffered" error: ------------------------  -max_muxing_queue_size 1024 ( https://stackoverflow.com/questions/49686244/ffmpeg-too-many-packets-buffered-for-output-stream-01 ) ____________________________________________ Extract 2nd Audiostream and remux only it to video: ---------------------------------------------------- set "input_dir=D:\Videos\1_Serien\Anime\Death Note\Death Note [GER][ENG][JAPnSub]" set "output_dir=C:\Videoconvert" for %%F in ("%input_dir%\*") do ( ffmpeg -i "%%F" -map 0:v -map 0:a:1 -c:v copy -c:a:2 copy "%output_dir%\%%~nF.mkv" ) ___________________________________ Downscale video to 640*480 mp4 --------------------------------------------------- cd /storage/emulated/0/Download ffmpeg -i *.mp4 -vf "scale=640:480:force_original_aspect_ratio=decrease,pad=640:480:(ow-iw)/2:(oh-ih)/2" -c:v libx264 -crf 23 -preset medium -c:a aac -b:a 128k output_video.mp4 _____________________________________ Concat 2 videos: ----------------- (echo file '0.wmv' & echo file 'tai.mp4' )>list.txt ffmpeg -safe 0 -f concat -i list.txt -c copy output.mp4 https://stackoverflow.com/questions/7333232/how-to-concatenate-two-mp4-files-using-ffmpeg ________________________ Combine animated gif with mp3/audio: ----------------- ffmpeg -i song.mp3 -ignore_loop 0 -i gif.gif -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" -shortest -strict -2 -c:v libx264 -threads 4 -c:a aac -b:a 192k -pix_fmt yuv420p -shortest out.mp4 (Source: https://stackoverflow.com/questions/48370185/convert-audio-to-video-ffmpeg-with-a-gif-as-the-background-but-keep-the-audio-le ) ____________ Multiple (video) to mp3: ------------------------------------- Linux: for i in *.wmv; do ffmpeg -i "$i" "${i%.*}.mp3"; done Windows: n/A (Source: https://stackoverflow.com/questions/5784661/how-do-you-convert-an-entire-directory-with-ffmpeg ) ________________________________ Add BG(video) to alredy existant video: --------------------------------------- ffmpeg -i in.mp4 -i bg.mp4 -filter_complex blend=all_expr='if(eq(mod(X,2),mod(Y,2)),A,B)' -preset ultrafast out.mp4 (Source: https://stackoverflow.com/questions/22344959/ffmpeg-how-to-create-a-effect-video-like-flower-fall) ________________________________ Batch convert m4a to mp3 --------------------------------------- for f in *.m4a; do ffmpeg -i "$f" -codec:v copy -codec:a libmp3lame -q:a 2 "${f%.m4a}.mp3"; done (Source: https://superuser.com/questions/704493/ffmpeg-convert-m4a-to-mp3-without-significant-loss ) _______________________________________________________________ FFMpeg fix video (unseekable stream) -------------------- ffmpeg -err_detect ignore_err -i *.mp4 -c copy video_fixed.mkv (Source: https://video.stackexchange.com/questions/18220/fix-bad-files-and-streams-with-ffmpeg-so-vlc-and-other-players-would-not-crash) __________________ Delete every 2nd file in dir: (unix) ------------------------------------- ls | sed -n "p;N;" | xargs rm -r (Source: https://www.unix.com/unix-for-dummies-questions-and-answers/193727-shell-input-remove-every-second-file-directory.html ) _______________________________________________________________ Files to sequential numbering: (unix) ---------------------- x=1; for i in *png; do counter=$(printf %03d $x); mv "$i" "$counter".png; x=$(($x+1)); done (Source: https://superuser.com/questions/624567/how-to-create-a-video-from-images-using-ffmpeg) _______ Images to video (unsorted\no file form): -------------------- cat *.png | ffmpeg -f image2pipe -i - output.mp4 OR ffmpeg -framerate 30 -pattern_type glob -i '*.png' \ -c:v libx264 -pix_fmt yuv420p out.mp4 (Source: https://stackoverflow.com/questions/24961127/how-to-create-a-video-from-images-with-ffmpeg ) ___________________________________________ Color Correct (/Brightness correct): ------------------------------------ ffmpeg -i INPUT.MOV -vf eq=brightness=0.06:saturation=2 -c:a copy OUTPUT.MOV ffmpeg -i vid.mp4 -vf eq=brightness=0.06:saturation=2 -c:a copy out.mp4 https://video.stackexchange.com/questions/20962/ffmpeg-color-correction-gamma-brightness-and-saturation ---------------------------------- Align gif to video space \ overlay: VideoWatermarkPro: 1) Download and install the application from your web browser. Launch it afterward. 2) Upload your video by clicking the “Add Video” tab.Then “Add Image” button to insert your GIF 3) "Run" to finish rendering Single frame to mp4 ffmpeg -loop 1 -i image.png -c:v libx264 -t 15 -pix_fmt yuv420p out.mp4 https://beecut.com/add-animated-gif-to-video.html => Result: https://www.artstation.com/artwork/X1JQmL ________________________ Convert ogg to mp3: ------------------- for %x in (*.ogg) do ffmpeg -i "%x" -vn -ar 44100 -ac 2 -b:a 192k "%x".mp3 (Source: https://stackoverflow.com/questions/3255674/convert-audio-files-to-mp3-using-ffmpeg) __________________________________________________________ Combine (concat) mp4 with sim encoding): --------------------------------------- (for %i in (*.mp4) do @echo file '%i') > list.txt ffmpeg -safe 0 -f concat -i list.txt -c copy output.mp4 Alt: www.gihosoft.com/download/adr/JJSVideoEditor_V2.exe (Source: https://stackoverflow.com/questions/7333232/how-to-concatenate-two-mp4-files-using-ffmpeg) __________________________________________________________ Render vgm music ------------------ FFmpeg can make use of the Game Music Emu library to read audio from supported video game music file formats. Pass --enable-libgme to configure to enable it. See https://bitbucket.org/mpyne/game-music-emu/overview. https://www.ffmpeg.org/general.html ___________________________________________________________ Mp3 equalizer with backgroundimage and changable waveform color: overlay=shortest=1:main_h-overlay_h+106 (h-overlay changes the y-position) ---------------------------------------------------------------- -Middle screen eq- ffmpeg -i song.mp3 -loop 1 -i song.jpg -filter_complex "[0:a]showwaves=s=640x360:mode=cline:colors=blue[fg]; [1:v]scale=640:-1,crop=iw:360[bg]; [bg][fg]overlay=shortest=1:main_h-overlay_h-30,format=yuv420p[out]" -map "[out]" -map 0:a -c:v libx264 -preset fast -crf 18 song.mp4 -Bottom screen eq- ffmpeg -i song.mp3 -loop 1 -i song.jpg -filter_complex "[0:a]showwaves=s=640x360:mode=cline:colors=blue[fg]; [1:v]scale=640:-1,crop=iw:360[bg]; [bg][fg]overlay=shortest=1:main_h-overlay_h+106,format=yuv420p[out]" -map "[out]" -map 0:a -c:v libx264 -preset fast -crf 18 song.mp4 (Source: https://stackoverflow.com/questions/45885460/using-hex-colors-with-ffmpegs-showwaves) (Source: https://stackoverflow.com/questions/34675160/ffmpeg-generate-overlay-complex-filter-for-audio-with-background-image) http://underpop.online.fr/f/ffmpeg/help/showwaves.htm.gz https://stackoverflow.com/questions/61111568/ffmpeg-showwaves-change-color-of-waveform-on-top-of-an-image https://stackoverflow.com/questions/49415973/ffmpeg-showaves-with-both-color-and-colorkey) ____________________________________________________________ Mp3 to equalizer - video: ------------------------- ffmpeg -i song.mp3 -filter_complex "[0:a]showwaves=s=1280x720:mode=line:rate=25,format=yuv420p[v]" -map "[v]" -map 0:a out.mp4 (Source: https://www.inmotionhosting.com/support/website/audio-spectrum-visuals-ffmpeg/) __________________________________________________________ Create timelaps (from photos): ------------------------------- ffmpeg -framerate 30 -pattern_type glob -i "folder-with-photos/*.JPG" -s:v 1440x1080 -c:v libx264 -crf 17 -pix_fmt yuv420p my-timelapse.mp4 (Source: https://medium.com/@sekhar.rahul/creating-a-time-lapse-video-on-the-command-line-with-ffmpeg-1a7566caf877 ) __________________________________________________________ Loop video until audio over: (rq's new ffmpeg ver) ----------------------------- ffmpeg -y -stream_loop -1 -i video -i audio.mp3 -fflags +shortest -max_interleave_delta 50000 -c copy output.mp4 (Source: https://video.stackexchange.com/questions/23390/ffmpeg-loop-video-to-the-length-of-audio) __________________________________________________________ Loop (added) audio until video is finished: -------------------------------------------- ffmpeg -i input.mp4 -stream_loop -1 -i input.mp3 -shortest -map 0:v:0 -map 1:a:0 out.mp4 (Source: https://stackoverflow.com/questions/5015771/merge-video-and-audio-with-ffmpeg-loop-the-video-while-audio-is-not-over) Flip Video: ----------- for %x in (*.mp4) do ffmpeg -i %x -vf hflip -c:a copy out.mp4 https://duxyng.wordpress.com/2013/04/07/rotateflip-video-with-ffmpeg/ __________________________________________________________ Overlay image over frame(s) (supports transparency!): ----------------------------------- ffmpeg -i in.mp4 -i input.png -filter_complex "[1][0]scale2ref[img][vid];[vid][img]overlay=enable='between(t,49,57)'" -c:a copy outz.mp4 (Source: https://unix.stackexchange.com/questions/588667/ffmpeg-replace-part-of-a-video-by-a-jpg-file-for-5-seconds) ___________________________________________________________ Webm to mp3 (or opus to mp3) ----------- for %x in (*.opus) do ffmpeg -i "%x" -vn -ab 128k -ar 44100 -y %x.mp3 ffmpeg -i input.webm -vn -ab 128k -ar 44100 -y out.mp3 https://bytefreaks.net/gnulinux/bash/ffmpeg-extract-audio-from-webm-to-mp3 ___________________________________________________________ Replace mp4s audio with new one from mp3: ---------------------------------------- ffmpeg -i test.mp4 -i test.mp3 -c:v copy -c:a aac -map 0:v:0 -map 1:a:0 output.mp4 (Source: https://superuser.com/questions/277642/how-to-merge-audio-and-video-file-in-ffmpeg) ___________________________________________________________ Picture and mp3 to video: ------------------------- ffmpeg -loop 1 -i image.jpg -i audio.mp3 -c:a copy -c:v libx264 -shortest out.mp4 (Source: https://stackoverflow.com/questions/25381086/convert-mp3-video-with-static-image-ffmpeg-libav-bash _____________________________________________ Combine mp3s in txt together ------------------------------------- ffmpeg -f concat -safe 0 -i out.txt -c copy output.mp4 (Source: https://stackoverflow.com/questions/3886295/how-do-i-list-one-filename-per-output-line-in-linux) ______________________________________________________________________________________________________ Merge two *.wav files => Single stereo wav file: ------------------------------------------------------- ffmpeg -i front_left.wav -i front_right.wav -codec:a aac -strict -2 -filter_complex "[0:a][1:a]amix" -ac 2 -f flv out.wav (Source: https://superuser.com/questions/767722/ffmpeg-combine-two-mono-live-audio-stream-to-single-stereo-stream) ___________________________________________________________________________________________________ Pan audio channels: -------------------------- --Pan to right-- ffmpeg -i in.mp3 -af "pan=stereo:c0=0*c0|c1=1*c1" out.wav --Pan to center-- (Source: https://stackoverflow.com/questions/43372275/change-volume-in-only-one-of-the-audio-channels-with-ffmpeg) (Source: https://stackoverflow.com/questions/10178459/panning-all-audio-channels-center-in-ffmpeg) https://superuser.com/questions/685910/ffmpeg-stereo-channels-into-two-mono-channels ffmpeg.org/ffmpeg-filters.html#pan _______________________________ Extract stereo channels => 2x mono channel: ---------------------------------------------------------- for %x in (*.mp3) do ffmpeg -i "%x" -map_channel 0.0.0 left.wav -map_channel 0.0.1 right.wav (Source: https://superuser.com/questions/685910/ffmpeg-stereo-channels-into-two-mono-channels) ______________________________________________________________________________________________ Extract Video to Audio Stream:AC3 (mkv -> ac3 file)[important for 5.1 audio extraction] ------------------------------------------------------ for %x in (*.mkv) do ffmpeg -i %x -acodec copy %x.ac3 (Source: http://www.savvyadmin.com/extract-ac3-dolby-digital-with-ffmpeg/) ______________________________________________________________________________________________ Extract Audio AC3 to wav channels: (works directly from mkv aswell) ------------------------------------------------- ffmpeg -i out.ac3 -filter_complex "channelsplit=channel_layout=5.1[FL][FR][FC][LFE][BL][BR]" -map "[FL]" front_left.wav -map "[FR]" front_right.wav -map "[FC]" front_center.wav -map "[LFE]" lfe.wav -map "[BL]" back_left.wav -map "[BR]" back_right.wav (Source: https://randocity.com/2016/04/10/audio-tip-how-to-decode-5-1-dts-ac3-to-6-wav-files/) _____________________________________________________________________________________________ Downmix (5.1) Stream to x (no multiple channels !) --------------------------------------- Downmix to WAV for %%x in (*.mkv) do ffmpeg -i "%%x" -c pcm_s16le -ac 2 out.wav Downmix to DTS: for %%x in (*.mkv) do ffmpeg -i "%%x" -strict -2 -c:a dca -ac 2 -vol 425 out.dts (Source: https://superuser.com/questions/852400/properly-downmix-5-1-to-stereo-using-ffmpeg) ______________________________________________________________________________________________________ Change speed of media -------------------------------- mkdir out for %x in (*.mp3) do ffmpeg -i "%x" -filter:a "atempo=2.0" -vn out/"%x" for %x in (*.mp4) do ffmpeg -i %x -filter:v "setpts=0.5*PTS" out/"%x" (Source: https://stackoverflow.com/questions/33957747/how-do-i-reduce-the-speed-of-a-voice-mp3-file-with-sox-to-75) ______________________________________________________________________________________________________ Extract subtitles ----------------------- for %x in (*.mkv) do ffmpeg -txt_format text -i %x %x_.srt (source: https://trac.ffmpeg.org/wiki/ExtractSubtitles) ______________________________________________________________________________________________________ MP3GAIN to change volume (curr folder): mp3gain /g -30 *.mp3 ------------------------------------------------------------------------------------ MP3GAIN to change volume (all subdirs): FOR /R "%~dp0" %%x in (*.mp3) do mp3gain /g -30 "%%x" ______________________________________________________________________________________________________ Multi mp3 to video: -------------------------- for %%x in (*.mp3) do ffmpeg -loop 1 -i cover.jpg -i %%x -c:v libx264 -tune stillimage -c:a aac -strict experimental -b:a 192k -pix_fmt yuv420p -shortest %%x.mp4 Convert images to video: [!!!!! REGARDING IMG -2-> VIDEO Conversions: MAKE. SURE. THE. DIMENSIONS ARE divisble by 2 !!!!!] USE GIF'S FOR VIDEO CREATION !!! (BMP's cause problems) ______________________________________________________________________________________________________ [Image to - MP4] ffmpeg -r 20 -f image2 -i %03d.gif -f mp4 -q:v 0 -vcodec mpeg4 -r 24 myVideo.mp4 | [Image to - WMV-HQ] ffmpeg -r 10 -f image2 -i %03d.gif -q:a 2 -q:v 2 -vcodec msmpeg4 -acodec wmav2 myvideo.wmv | **Alternate mode: ffmpeg -y -r 20 -f image2 -i %04d.gif -f mp4 -pix_fmt yuv420p outds.mp4 **Alternate colormode (reverse): ffmpeg -r 20 -f image2 -i %04d.gif -f mp4 -c:v libx264 -pix_fmt bgr24 res.mp4 | %02.gif FOR 00.gif %03.gif FOR 000.gif %04.gif FOR 0000.gif input files (http://stackoverflow.com/questions/31222186/ffmpeg-frames-to-mp4-windows) ___________________________________________________________________________________________________________ Convert wmv to mp4 (android compatible): ---------------------------------------------------------- for %x in (*.wmv) do ffmpeg -i %x -s 640x1136 -vcodec mpeg4 -acodec aac -strict -2 -ac 1 -ar 16000 -r 13 -ab 32000 %x.mp4 (Source: https://stackoverflow.com/questions/14171826/converting-video-for-android-using-ffmpeg) ___________________________________________________________________________________________________________ Convert xyz to mp4 (playback) ---------------------------------------------------------- for %x in (*.mkv) do ffmpeg -i %x -s 1280x720 -vcodec mpeg4 -acodec aac -strict -2 -ac 1 -ar 16000 -r 24 -ab 32000 %~nx.mp4 ______________________________________________________________________________________________________________ Cut Video length with FFMPEG: ---------------------------------------------- for file in *.mp4; do ffmpeg -i "$file" -ss 00:18:20 -t 00:01:14 -c copy "cut_$file"; done Variable version (start, end) for %%x in (*mp4) do ffmpeg -i %%x -ss 00:00:55 -t 00:03:15 -async 1 cut.mp4 https://stackoverflow.com/questions/18444194/cutting-the-videos-based-on-start-and-end-time-using-ffmpeg Fixed version (reqs start, end, duration)s for %x in (*.mp4) do ffmpeg -i %x -ss 60 -t 60 -acodec copy -vcodec copy %x- (superuser.com/questions/138331/using-ffmpeg-to-cut-up-video?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa) ______________________________________________________________________________________________________________________________ Extract Frames from video: https://averagelinuxuser.com/video-to-images-with-vlc-media-player/ https://ezgif.com/video-to-png/ --------------------------- for %x in (*mp4) do ffmpeg -i %x "%03d.png" for %x in (*wmv) do ffmpeg -i %x "%03d.png" EMERGENCY CMND: for %x in (*wmv) do ffmpeg -i %x -r 24 image-%04d.jpg ___________________________________________________________________________________________________________________________ Extract Album Art: -------------------------- for %x in (*mp3) do ffmpeg -i "%x" "%x".jpg -- Batch album art extract via MP3Tag: Use the action type Export cover to file As format string use Folder to create a Folder.ext image in each directory. Extension is added automatically. http://community.mp3tag.de/t/extract-cover-art-from-multiple-directories/9471 ____________________________________________________________________________________________________________________________ Edit MP3 Tag via FFMPEG: --------------------------------------- ffmpeg -i file.mp3 -metadata album_artist="ALBUM ARTIST written by ffmpeg" file_ffmpeg.mp3 (SOURCE: www.synology-forum.de/showthread.html?60221-ID3-Tags-mit-FFMPEG-verändern) ___________________________________________________________________________________________________________________________ Combine jpg and mp3 to video (youtube upload) --------------------------------------------------------------------- ffmpeg -loop 1 -i *.jpg -i *.mp3 -c:v libx264 -tune stillimage -c:a aac -strict experimental -b:a 192k -pix_fmt yuv420p -shortest out.mp4 ___________________________________________________________________________________________________________________________ Downscale video (forced ratio) BUT KEEP audiostreams AS IS (for multi language mkvs) ------------------------------------------------------------------------------------ for %x in (*.mkv) do ffmpeg -i %x -filter:v scale=960:540 -map 0 -c copy -c:v libx265 _%x (Source: https://stackoverflow.com/questions/39685629/re-encode-video-stream-only-with-ffmpeg-and-with-all-audio-streams) ___________________________________________________________________ Downscale_video (forced ratio) ------------------------------------------------ --960x540----(1/2 1920x1080)--: for %x in (*.mkv) do ffmpeg -i %x -filter:v scale=960:540 -c:a copy out/_%x ---640x480--: for %x in (*.mkv) do ffmpeg -i %x -filter:v scale=640:480 -c:a copy _%x (https://trac.ffmpeg.org/wiki/Scaling) _____________________________________________________________ Convert MKV (5.1 audio) to MKV (stereo audio) ---------------------------- for %x in (*.mkv) do ffmpeg -i "%x" -c:v copy -ac 2 -af "pan=stereo|FL=FC+0.30*FL+0.30*BL|FR=FC+0.30*FR+0.30*BR" output_stereo.mkv (Source: https://superuser.com/questions/852400/properly-downmix-5-1-to-stereo-using-ffmpeg) _____________________________________________________________________________________ Animated gif to mp4 ------------------------------ for %x in (*gif) do ffmpeg -i %x -movflags faststart -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" video.mp4 (SOURCE: https://unix.stackexchange.com/questions/40638/how-to-do-i-convert-an-animated-gif-to-an-mp4-or-mv4w-on-the-command-line?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa) ______________________________________________________________________________________________________________________________ Extract Frames from animated gif: ------------------------------------------------- for %x in (*gif) do ffmpeg -i %x %05d.png www.raymond.cc/blog/split-or-break-gif-animation-into-individual-frames/ ______________________________________________________________________________________________________________________________ Convert video directly to animated gif: ------------------------------------------------------ ffmpeg -i "%~dpnx1" -r 10 -f image2pipe -vcodec ppm - | convert -delay 0 -loop 0 - out.gif ##ffmpeg -i "%~dpnx1" -vf scale=320:-1 -r 10 -f image2pipe -vcodec ppm - | convert -delay 5 -loop 0 - gif:- | convert -layers Optimize - output.gif superuser.com/questions/556029/how-do-i-convert-a-video-to-gif-using-ffmpeg-with-reasonable-quality ______________________________________________________________________________________________________________________________ Extract From 00:00:30 (with 5 sec duraction): --------------------------- ffmpeg -ss 00:00:30 -t 00:00:005 -i original.mp4 -vcodec copy -acodec copy output.mp4 ________________________________________________________________________________________________________________________________ Change video framerate: ------------------------- ffmpeg -i input.wmv -sameq -r 10 -y output.wmv (superuser.com/questions/1187149/change-frame-rate-without-changing-film-speed-duration) ________________________________________________________________________________________________________________________________ There is no need to rename files if using the -start_number switch like so: ffmpeg -start_number n -i test_%d.jpg -vcodec mpeg4 test.avi where n is the start of the sequence of stills. superuser.com/questions/624567/how-to-create-a-video-from-images-using-ffmpeg ______________________________________________________________________________________________________________________________ Show ffmpeg pixel formats (if curr video doesn't convert corr): --------------------------------------------------------------- ffmpeg -pix_fmts ______________________________________________________________________________________________________________________________ Reduce music volume --------------------- for %%x in (*.mp3) do ffmpeg -i "%%x" -af volume=0.7 "%%x" OR for %%x in (*.mp3) do ffmpeg -i "%%x" -af volume=70dB "%%x" OR (older FFMPPEG versions for %%x in (*.mp3) do ffmpeg -f lavfi -i "amovie=%%x,volume=0.7" "%%x" ______________________________________________________________________________________________________________________________ Increase music volume: ----------------------- for %%x in (*mp3) do ffmpeg -i "%%x" -vol 200 "%%x" (Source: http://www.die-unbelehrbaren.de/software/konverter/mit-ffmpeg-die-lautstarke-von-audiodateien-erhohen/) ________________________________________________________________________________________________________________________________ image to false color video: (rgb pixel value) ---------------------------- ffmpeg -r 20 -f image2 -i %05d.bmp -f mp4 -pix_fmt rgb24 out.mp4 _______________________________________________________________________________________________________________________________ Repack video: -------------- for %x in (*mp4) do ffmpeg -i %x "%04d.bmp" ffmpeg -r 20 -f image2 -i %04d.bmp -f mp4 -q:v 0 -vcodec mpeg4 -r 24 myVideo.mp4 ______________________________________________________________________________________________________________________________ Extract mp4 & recompress w. new settings: ---------------------------------------------------- for %x in (*mp4) do ffmpeg -i %x "%04d.bmp" ffmpeg -r 12 -f image2 -i %04d.bmp -f mp4 -q:v 0 -vcodec mpeg4 -r 24 myVideo.mp4 _________________________________________________________________________________________________________ Merge videos side-by-side: ffmpeg -i a.mp4 -i b.mp4 -filter_complex "[0:v:0]pad=iw*2:ih[bg]; [bg][1:v:0]overlay=w" output.mp4 -------------------------- (SOURCE: https://lists.ffmpeg.org/pipermail/ffmpeg-user/2013-June/015662.html ) ________________________________________________________________________________________________________________________________ Join two pictures/frames in one picture: for /L %%i in (1,1, 4000) do convert a%%i.png b%%i.png -monitor +append c%%i.png ---------------------------------------- (4000 = Videoframes) ________________________________________________________________________________________________________________________________ Crop video: ffmpeg -i a.mp4 -filter:v "crop=320:480:40:0" -crf 20 -maxrate 400k -bufsize 1835k a1.mp4 && MOVE a1.mp4 a.mp4 ---------- ( 320: x crop, 480 y crop, 40 x offset, 0 y ofset) f ________________________________________________________________________________________________________________________________ Convert Video: for %x in (*.avi) do ffmpeg -i %x -acodec libfaac -b:a 128k -vcodec mpeg4 -b:v 1200k -flags +aic+mv4 %x.mp4 --------------- (Avi to MP4 in this case) (SOURCE: http://andrebluehs.net/blog/converting-avi-to-mp4-with-ffmpeg/) _____________________________________________________________________________________ ************************************************************************************* ************************************************************************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~Convert-videoformats:~~~~~~~~~~~~~~~~~~~~ ---------------------- Burn in mkv embeded subtitles (with constant 24 fps): ----------------------------------------------------------------------- for %x in (*.mkv) do ffmpeg -r 24 -i "%x" -filter_complex "[0:v][0:s]overlay[v]" -map "[v]" -map 0:a E:\Z_[SERIES]\"%~nx.mp4" If you have multiple subtitle streams, you can select which one to use by replacing [0:s] with [0:s:0] to select the first subtitle stream or [0:s:1] to select the second subtitle stream, and so on. (Source: https://trac.ffmpeg.org/wiki/HowToBurnSubtitlesIntoVideo) _________________________________ Burn in srt/ass Subtitles (with constant 24 fps): ------------------------- for %x in (*.m4v) do ffmpeg -r 24 -i "%x" -vf subtitles="%~nx".ass "K:\Zygodm\%~nx".mp4 for %x in (*.m4v) do ffmpeg -r 24 -i "%x" -vf subtitles="%~nx".ass "K:\Zygodm\%~nx".mp4 (Source: https://trac.ffmpeg.org/wiki/HowToBurnSubtitlesIntoVideo) ____________________________________ ====================================== ==mkv -> mp4 (with constant 24 fps= for %x in (*.mp4) do ffmpeg -r 24 -i "%x" -codec copy K:\zsatsu\"%~nx.mp4" ===================== ===copy codec (no reconversion) for %x in (*.mkv) do ffmpeg -i "%x" -codec copy E:\Z_[SERIES]\"%~nx.mp4" (SOURCE: https://askubuntu.com/questions/396883/how-to-simply-convert-video-files-i-e-mkv-to-mp4) (https://stackoverflow.com/questions/40077681/ffmpeg-converting-from-mkv-to-mp4-without-re-encoding) ================ ==mkv -> mp4===== for %x in (*mkv) do ffmpeg -i %x -b:a 128k -codec:v libx264 -pix_fmt yuv420p -crf 20 E:\Z_[SERIES]\%~nx.mp4 (Source: https://gist.github.com/dvlden/b9d923cb31775f92fa54eb8c39ccd5a9) #way too high bitrate #for %x in (*mkv) do ffmpeg -i %x -b:a 128k -codec:v libx264 -pix_fmt yuv420p -b:v 4500k -minrate 4500k -maxrate 9000k -bufsize 9000k E:\Z_[SERIES]\%~nx.mp4 ================= ===*mp4 -> wmv: === [HQ] for %x in (*wmv) do ffmpeg -i %x -q:a 2 -q:v 2 -vcodec msmpeg4 -acodec wmav2 %x1.mp4 (https://walterebert.com/blog/creating-wmv-videos-with-ffmpeg/) ============== ===wmv -> avi:=== for %x in (*wmv) do ffmpeg -i %x %x1.mp4 ______________________________________________________________ ~~~~Convert n resize:~~~~ for %x in (*.wmv) do ffmpeg -i %x -vf scale=640:1136 %~nx.mp4 (Source: https://unix.stackexchange.com/questions/190431/convert-a-video-to-a-fixed-screen-size-by-cropping-and-resizing) ________________________________________________________________ Downscale_video (correct_aspect_ratio): -------------------------------------- for %x in (*.*) do ffmpeg -i %x -filter:v scale=640:-0.5 -c:a K:\zygodm\%~nx.mp4 for %x in (*.mp4) do ffmpeg -i %x -filter:v scale=640:-0.5 -c:a copy _%x (source: https://superuser.com/questions/624563/how-to-resize-a-video-to-make-it-smaller-with-ffmpeg) ________________________________________________________________________________________________________________________________ Change video resolution: (give x, y will be calculated automatically) ------------------------ ffmpeg -y -i video.mp4 -vf scale=800:-2,setsar=1:1 -c:v libx264 -c:a copy video_shrink.mp4" (Source: https://stackoverflow.com/questions/34391499/change-video-resolution-ffmpeg ) ______________________________________________________________________________________________________________ Scale/Resize Videos ------------------- ffmpeg -i a.mp4 -vf scale=iw/1.25:-1 a1.mp4 (1.25 in this case is the new x and y resolution, for example: 320:1.25 = 256 ) (SOURCE: http://trac.ffmpeg.org/wiki/FilteringGuide) __________________________________________________________ these two lines in a batch file will demux h.264 video and aac audio to elementry streams when you drag/drop an MP4 file onto it ------------------------------------------------- ffmpeg -i %1 -vcodec copy %~n1.h264 ffmpeg -i %1 -acodec copy %~n1.aac __________________________________________________________ this batch file will remux to an MKV file. --------------------------------------------- ffmpeg -i %1 -c copy %~n1.mkv (SOURCE: https://forum.videohelp.com/threads/384950-Need-a-tsMuxer-type-program-to-demux-AVI-files) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~convert-audioformats~~~~~~~~~~~~~~~~~~~~~~~ *m4a -> mp3 (linux/android): for x in *m4a; do ffmpeg -i "$x" -vn -c:a libmp3lame -ab 192k -ar 48000 -f mp3 "$x".mp3 done =================== ==remuxvideoformats=== MKVToolnix Remux to mkv ("%~nx" instead of "%x" to omit extra .avi) -------------------------------------- for %x in (*.avi) do "C:/Program Files/MKVToolNix\mkvmerge.exe" --ui-language de --output ^"C:/out/%~nx.mkv^" --language 0:und --language 1:und --language 2:und ^"^(^" ^"%x^" ^"^)^" --track-order 0:0,0:1,0:2 HANDBRAKE: =========================================== ------MKV -> M4V w. subtitle burn in--(CONSTANT framerate) for %x in (*) do "E:\Dropbox\Public\Useful_Handy_Winprogs\iOS_related\[PC_Software]\Video_Converter\Handbrake\HandBrakeCLI.exe" -i "%x" -t 1 -c 1 -o "E:\Z_Series\%~nx.mp4" -f mp4 --strict-anamorphic -e x264 -q 22 -r 24 --cfr -a 1 -E faac -B 128 -6 dpl2 -R Auto -D 0 --gain=0 --audio-copy-mask none --audio-fallback ffac3 --subtitle 1 --subtitle-burn=1 --markers="C:\Users\%Username%\AppData\Local\Temp\%~nx.csv" -x ref=1:weightp=1:subq=2:rc-lookahead=10:trellis=0:8x8dct=0 --verbose=1 ======================================================= ==MKV -> MP4---640 x 480-with subtitles burn in--(constant framerate)== for %x in (*.mkv) do "E:\Dropbox\Public\Useful_Handy_Winprogs\iOS_related\[PC_Software]\Video_Converter\Handbrake\HandBrakeCLI.exe" -i "%x" -t 1 -c 1 -o "E:\Z_Series\%~nx.mp4" -f mp4 -w 640 -l 480 -e x264 -q 22 -r 24 --cfr -a 1 -E faac -B 128 -6 dpl2 -R Auto -D 0 --gain=0 --audio-copy-mask none --audio-fallback ffac3 --subtitle 1 --subtitle-burn=1 --markers="C:\Users\%Username%\AppData\Local\Temp\%~nx.csv" -x ref=1:weightp=1:subq=2:rc-lookahead=10:trellis=0:8x8dct=0 --verbose=1 ============================================ ----xxx -> MP4 w. SRT file burn in (CONSTANT framerate)= for %x in (*mkv) do "E:\Dropbox\Public\Useful_Handy_Winprogs\iOS_related\[PC_Software]\Video_Converter\Handbrake\HandBrakeCLI.exe" -i "%x" -t 1 -c 1 -o "E:\Z_Series\%~nx.mp4" -f mp4 --strict-anamorphic -e x264 -q 20 --cfr -a 1 -E faac -B 160 -6 dpl2 -R Auto -D 0 --gain=0 --audio-copy-mask none --audio-fallback ffac3 --srt-file "%~nx.srt" --srt-codeset UTF-8 --srt-offset 0 -srt-lang eng -x ref=1:weightp=1:subq=2:rc-lookahead=10:trellis=0:8x8dct=0 --verbose=1 ================================ ==mkv to mp4 (640x480)=constant framerate= for %x in (*) do "E:\Dropbox\Public\Useful_Handy_Winprogs\iOS_related\[PC_Software]\Video_Converter\Handbrake\HandBrakeCLI.exe" -i "%x" -t 1 -c 1 -o "E:\Z_SERIES\%~nx.mp4" -f mp4 -w 640 -l 480 -e x264 -q 22 -r 24 --cfr -a 1 -E faac -B 128 -6 dpl2 -R Auto -D 0 --gain=0 --audio-copy-mask none --audio-fallback ffac3 -x weightp=0:cabac=0 --verbose=1 ================================= -------MKV -> M4V with subtitles burn in----(variable framerate)- for %x in (*.mkv) do "E:\Dropbox\Public\Useful_Handy_Winprogs\iOS_related\[PC_Software]\Video_Converter\Handbrake\HandBrakeCLI.exe" -i "%x" -t 1 -c 1-9 -o "E:\Z_[SERIES]\%~nx.mp4" -f mp4 --strict-anamorphic -e x264 -q 20 --vfr -a 1 -E faac -B 160 -6 dpl2 -R Auto -D 0 --gain=0 --audio-copy-mask none --audio-fallback ffac3 --subtitle 1 --subtitle-burn=1 --markers="C:\Users\Pascal\AppData\Local\Temp\%~nx.csv" -x ref=1:weightp=1:subq=2:rc-lookahead=10:trellis=0:8x8dct=0 --verbose=1 ===================================== =mkv to mp4 (640x480) WITH subtitle-burn-in=variable=== for %x in (*.mkv) do "E:\Dropbox\Public\Useful_Handy_Winprogs\iOS_related\[PC_Software]\Video_Converter\Handbrake\HandBrakeCLI.exe" -i "%x" -t 1 -c 1-9 -o "K:/Z5DS/%~nx.mp4" -f mp4 -w 480 -l 360 -e x264 -q 20 --vfr -a 1 -E faac -B 160 -6 dpl2 -R Auto -D 0 --gain=0 --audio-copy-mask none --audio-fallback ffac3 -x ref=1:weightp=1:subq=2:rc-lookahead=10:trellis=0:8x8dct=0 --verbose=1 --subtitle 1 --subtitle-burn=1