Video Size and Aspect Ratios
iPhone 3 (480x320):
| Name |
Size |
Aspect |
| Wide 16:9 |
480x270 |
16:9 |
| Old TV 4:3 |
427x320 |
4:3 |
| Wide 16:9 /16 |
480x272 |
16:9 |
| Old TV 4:3 /16 |
432x320 |
4:3 |
iPhone 4 (960x640):
| Name |
Size |
Aspect |
| Wide 16:9 |
960x540 |
16:9 |
| Old TV 4:3 |
853x640 |
4:3 |
| Wide 16:9 /16 |
960x544 |
16:9 |
| Old TV 4:3 /16 |
848x640 |
4:3 |
iPhone 5 (1136x640):
| Name |
Size |
Aspect |
| Wide 16:9 |
1136x639 |
16:9 |
| Old TV 4:3 |
856x640 |
4:3 |
| Wide 16:9 /16 |
1136x640 |
16:9 |
| Old TV 4:3 /16 |
864x640 |
4:3 |
DV NTSC Video
| Name |
Size |
Aspect |
| Wide 16:9 |
720x480 |
16:9 |
| Old TV 4:3 |
720x480 |
4:3 |
Youtube and Vimeo Upload
| Name |
Size |
Aspect |
| SD 4:3 |
640:480 |
4:3 |
| HD 16:9 |
1280x720 |
16:9 |
| Full HD |
1920x1080 (1920x1072 base 16) |
16:9 |
HD, Blu-Ray, AVCHD
| Name |
Size |
Aspect |
| 720p |
1280x720 |
16:9 |
| 1080p/i Anamorphic |
1440x1080 |
16:9 |
| 1080p/i |
1920x1080 |
16:9 |
Frame Rates
| Name |
Standard |
Fps |
FFmpeg |
| Movies |
NTSC |
23.976 |
24000/1001 |
| TV Video |
NTSC |
29.97 |
30000/1001 |
| Movies |
PAL |
25 |
25 |
| TV Video |
PAL |
30 |
30 |
FFmpeg Encoding
X264Presets
| default |
fastfirstpass |
lossless_ultrafast |
lossless_slower |
| baseline |
slowfirstpass |
lossless_fast |
lossless_max |
| normal |
hq |
lossless_medium |
ipod320 |
| main |
max |
lossless_slow |
ipod640 |
High quality 2 Pass
ffmpeg -y -i INPUT -r 30000/1001 -b 2M -bt 4M -vcodec libx264 -pass 1 -vpre fastfirstpass -an output.mp4
ffmpeg -y -i INPUT -r 30000/1001 -b 2M -bt 4M -vcodec libx264 -pass 2 -vpre hq -acodec libfaac -ac 2 -ar 48000 -ab 192k output.mp4
iPod-iPhone 320 width
ffmpeg -i INPUT -s 320x240 -r 30000/1001 -b 200k -bt 240k -vcodec libx264 -vpre ipod320 -acodec libfaac -ac 2 -ar 48000 -ab 192k output.mp4
iPod-iPhone 640 width
ffmpeg -i INPUT -s 640x480 -r 30000/1001 -b 200k -bt 240k -vcodec libx264 -vpre ipod640 -acodec libfaac -ac 2 -ar 48000 -ab 192k output.mp4
Hight quality, 2 pass without presset
ffmpeg -y -i input -r 24000/1001 -b 6144k -bt 8192k -vcodec libx264 -pass 1 -flags +loop -me_method dia -g 250 -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -bf 16 -b_strategy 1 -i_qfactor 0.71 -cmp +chroma -subq 1 -me_range 16 -coder 1 -sc_threshold 40 -flags2 -bpyramid-wpred-mixed_refs-dct8x8+fastpskip -keyint_min 25 -refs 1 -trellis 0 -directpred 1 -partitions -parti8x8-parti4x4-partp8x8-partp4x4-partb8x8-an output.mp4
ffmpeg -y -i input -r 24000/1001 -b 6144k -bt 8192k -vcodec libx264 -pass 2 -flags +loop -me_method umh -g 250 -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -bf 16 -b_strategy 1 -i_qfactor 0.71 -cmp +chroma -subq 8 -me_range 16 -coder 1 -sc_threshold 40 -flags2 +bpyramid+wpred+mixed_refs+dct8x8+fastpskip -keyint_min 25 -refs 4 -trellis 1 -directpred 3 -partitions +parti8x8+parti4x4+partp8x8+partb8x8-acodec libfaac -ac 2 -ar 44100 -ab 128k output.mp4
iPod-iPhone 320 width, without presset
ffmpeg -i INPUT -s 320x240 -r 30000/1001 -b 200k -bt 240k -vcodec libx264 -coder 0 -bf 0 -flags2 -wpred-dct8x8 -level 13 -maxrate 768k -bufsize 3M-acodec libfaac -ac 2 -ar 48000 -ab 192k output.mp4
iPod-iPhone 640 width, without presset
ffmpeg -i INPUT -s 320x240 -r 30000/1001 -b 200k -bt 240k -vcodec libx264 coder 0 -bf 0 -refs 1 -flags2 -wpred-dct8x8 -level 30 -maxrate 10M -bufsize 10M-acodec libfaac -ac 2 -ar 48000 -ab 192k output.mp4
iPod-iPhone, 2 pass custom
ffmpeg -y -i input -r 30000/1001 -s 480x272 -aspect 480:272 -vcodec libx264 -b 512k -bt 1024k -maxrate 4M -flags +loop -cmp +chroma -me_range 16 -g 300 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -rc_eq "blurCplx^(1-qComp)" -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -coder 0 -refs 1 -bufsize 4M -level 21 -partitions parti4x4+partp8x8+partb8x8 -subq 5 -f mp4 -pass 1 -an -title "Title" output.mp4
ffmpeg -y -i input -r 30000/1001 -s 480x272 -aspect 480:272 -vcodec libx264 -b 512k -bt 1024k -maxrate 4M -flags +loop -cmp +chroma -me_range 16 -g 300 keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -rc_eq "blurCplx^(1-qComp)" -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -coder 0 -refs 1 -bufsize 4M -level 21 -partitions parti4x4+partp8x8+partb8x8 -subq 5 -f mp4 -pass 2 -acodec libfaac -ac 2 -ar 44100 -ab 128k -title "Title" output.mp4
DV Video
To DV
ffmpeg -i input -target ntsc-dv -aspect 4:3 -y output.dv
From DV To Microsoft AVI DV
ffmpeg -i input.dv -vcodec copy -vtag dvsd -acodec pcm_s16le -f avi -aspect 4:3 -y output.avi
Audio
AAC Stereo HQ
-acodec libfaac -ac 2 -ar 48000 -ab 192k
AAC Stereo SQ
-acodec libfaac -ac 2 -ar 44100 -ab 128k
AAC 5.1 HQ
-acodec libfaac -ac 6 -ar 48000 -ab 448k
AAC 5.1 LQ
-acodec libfaac -ac 6 -ar 44100 -ab 224k
Eac3To
AC3 5.1 Channel Mapping Fix
eac3to from_true_hd.ac3 fixed_mapping.ac3 -blu-ray -448
AAC to AC3
- From AAC to WAV with faad2:
faad2 -o temp_audio.wav input.aac
- From WAV to AC3 with eac3to
eac3to temp_audio.wav output.ac3 -448
AC3 to AAC
- From AC3 to a remapped AC3 with eac3to:
eac3to input.ac3 temp_remaped.ac3 -448 -resampleTo48000 -2,1,0,3,4,5
- From remapped AC3 to AAC with FFmpeg
ffmpeg -y -i temp_remaped.ac3 -vn -acodec libfaac -ac 6 -ar 48000 -ab 384k output.m4a
Other FFmpeg Options
| -threads |
thread count, 0 means all threads available |
| -y |
overwrite output files |
| -ss |
time_off set the start time offset |
| -t |
duration record or transcode "duration" seconds of audio/video |
| -ildct |
Interlaced |
FFmpeg Information Sources
Server: irc.freenode.net
Channel: #ffmpeg
Download
The bests binaries on the web, Easy installation without compiling, just runing an install file:
FFmpeg for Windows
FFmpeg for Macintosh OS X (Intel)
FFmpeg for Linux
You can also use this extremely easy guide to install FFmpeg on your Windows, GNU Linux or Macintosh machine:
http://rodrigopolo.com/about/wp-stream-video/ffmpeg-binary-installers-for-win-mac-and-linux
Win32 Binary Builds
http://ffmpeg.arrozcru.com/autobuilds
http://sourceforge.net/project/showfiles.php?group_id=205275&package_id=248632
FFmpeg x264 encoding guide by Robert Swain
http://rob.opendot.cl/index.php/useful-stuff/ffmpeg-x264-encoding-guide
H.264 Profiles and Levels
| 8x8dct |
high |
| cabac+bframes |
main |
| -level |
#
|
video conversion, sound extraction, encoding file for iPod or PSP, and more.
Getting infos from a video file
ffmpeg -i video.avi
Turn X images to a video sequence
ffmpeg -f image2 -i image%d.jpg video.mpg
This command will transform all the images from the current directory (named image1.jpg, image2.jpg, etc…) to a video file named video.mpg.
Turn a video to X images
ffmpeg -i video.mpg image%d.jpg
This command will generate the files named image1.jpg, image2.jpg, …
The following image formats are also availables : PGM, PPM, PAM, PGMYUV, JPEG, GIF, PNG, TIFF, SGI.
Encode a video sequence for the iPpod/iPhone
ffmpeg -i source_video.avi input -acodec aac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 320x180 -title X final_video.mp4
Explanations :
- Source : source_video.avi
- Audio codec : aac
- Audio bitrate : 128kb/s
- Video codec : mpeg4
- Video bitrate : 1200kb/s
- Video size : 320px par 180px
- Generated video : final_video.mp4
Encode video for the PSP
ffmpeg -i source_video.avi -b 300 -s 320x240 -vcodec xvid -ab 32 -ar 24000 -acodec aac final_video.mp4
Explanations :
- Source : source_video.avi
- Audio codec : aac
- Audio bitrate : 32kb/s
- Video codec : xvid
- Video bitrate : 1200kb/s
- Video size : 320px par 180px
- Generated video : final_video.mp4
Extracting sound from a video, and save it as Mp3
ffmpeg -i source_video.avi -vn -ar 44100 -ac 2 -ab 192 -f mp3 sound.mp3
Explanations :
- Source video : source_video.avi
- Audio bitrate : 192kb/s
- output format : mp3
- Generated sound : sound.mp3
Convert a wav file to Mp3
ffmpeg -i son_origine.avi -vn -ar 44100 -ac 2 -ab 192 -f mp3 son_final.mp3
Convert .avi video to .mpg
ffmpeg -i video_origine.avi video_finale.mpg
Convert .mpg to .avi
ffmpeg -i video_origine.mpg video_finale.avi
Convert .avi to animated gif(uncompressed)
ffmpeg -i video_origine.avi gif_anime.gif
Mix a video with a sound file
ffmpeg -i son.wav -i video_origine.avi video_finale.mpg
Convert .avi to .flv
ffmpeg -i video_origine.avi -ab 56 -ar 44100 -b 200 -r 15 -s 320x240 -f flv video_finale.flv
Convert .avi to dv
ffmpeg -i video_origine.avi -s pal -r pal -aspect 4:3 -ar 48000 -ac 2 video_finale.dv
Or:
ffmpeg -i video_origine.avi -target pal-dv video_finale.dv
Convert .avi to mpeg for dvd players
ffmpeg -i source_video.avi -target pal-dvd -ps 2000000000 -aspect 16:9 finale_video.mpeg
Explanations :
- target pal-dvd : Output format
- ps 2000000000 maximum size for the output file, in bits (here, 2 Gb)
- aspect 16:9 : Widescreen
Compress .avi to divx
ffmpeg -i video_origine.avi -s 320x240 -vcodec msmpeg4v2 video_finale.avi
Compress Ogg Theora to Mpeg dvd
ffmpeg -i film_sortie_cinelerra.ogm -s 720x576 -vcodec mpeg2video -acodec mp3 film_terminée.mpg
Compress .avi to SVCD mpeg2
NTSC format:
ffmpeg -i video_origine.avi -target ntsc-svcd video_finale.mpg
PAL format:
ffmpeg -i video_origine.avi -target pal-svcd video_finale.mpg
Compress .avi to VCD mpeg2
NTSC format:
ffmpeg -i video_origine.avi -target ntsc-vcd video_finale.mpg
PAL format:
ffmpeg -i video_origine.avi -target pal-vcd video_finale.mpg
Multi-pass encoding with ffmpeg
ffmpeg -i fichierentree -pass 2 -passlogfile ffmpeg2pass fichiersortie-2
REFERENCES
http://rodrigopolo.com/ffmpeg/cheats.php
