{"id":1248,"date":"2013-12-11T15:19:21","date_gmt":"2013-12-11T07:19:21","guid":{"rendered":"http:\/\/www.strongd.net\/?p=1248"},"modified":"2013-12-11T15:19:21","modified_gmt":"2013-12-11T07:19:21","slug":"some-useful-ffmpeg-commands-commandline-video-converting-tool","status":"publish","type":"post","link":"https:\/\/www.strongd.net\/?p=1248","title":{"rendered":"Some useful ffmpeg commands ( commandline video converting tool)"},"content":{"rendered":"

1. Converting\u00a0MOV\/MPEG\/AVI\/MP4 \u2013> flv\u00a0<\/strong>
\n#ffmpeg -i input file output.flv<\/p>\n

2. Convert and adjust the video file resolution to output file
\n# ffmpeg -i input.avi -s 500\u00d7500 output.flv<\/p>\n

3. Converting\u00a03GP \u2013> FLV<\/strong>
\n#ffmpeg -i input.3gp -sameq -an output.flv<\/p>\n

4. Converting\u00a0MPEG \u2013>3GP<\/strong>
\n#ffmpeg -i input.mpeg -ab 8.85k -acodec libamr_wb -ac 1 -ar 16000 -vcodec h263 -s qcif output.3gp<\/p>\n

5. Converting\u00a0WMV \u2013> to MP3<\/strong>
\n#ffmpeg -i input.wmv output.mp3<\/p>\n

6. Converting\u00a0AMR \u2013> MP3<\/strong>
\n#ffmpeg -i input.amr -ar 22050 output.mp3<\/p>\n

7. Converting\u00a0FLV \u2013> MP4<\/strong>
\n# ffmpeg -i input.flv -ar 22050 output.mp4<\/p>\n

Advanced flash supported conversion.<\/strong><\/p>\n

#ffmpeg -i input.flv -s 480\u00d7360 -vcodec libx264 -b 1900kb -flags +loop -cmp +chroma -me_range 16 -me_method hex -subq 5 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -directpred 1 -flags2 +fastpskip -dts_delta_threshold 1 -acodec libfaac -ab 128000 output.mp4<\/p>\n

This code will support to play in Iphone.<\/strong><\/p>\n

\n
#ffmpeg -i 400b75e5081fca44d094.flv -s 320×240 -r 24 -b 200k -bt 240k -vcodec libx264 -vpre hq -coder 0 -bf 0 -flags2 -wpred-dct8x8 -level 13 -maxrate 768k -bufsize 3M -acodec libfaac -ac 2 -ar 48000 -ab 192k new_output_new1.mp4<\/div>\n<\/div>\n

8. Converting\u00a0AAC \u2013> Mp3<\/strong>
\n#ffmpeg -i input.aac -ar 22050 -ab 32 output.mp3<\/p>\n

Use ffmpeg with it\u2019s best performance<\/strong><\/p>\n

The following arguments helps you to optimize the ffmpeg conversion to get the best result of converting mp4. to flv<\/p>\n

# ffmpeg -i input.mp4 -ar 22050 -ab 56 -acodec mp3 -r 25 -f flv -b 400 -s 320\u00d7240 output.flv<\/strong><\/p>\n

-i<\/strong>\u00a0= specify input file
\n-ar<\/strong>\u00a0= audio sample rate
\n-ab<\/strong>\u00a0= audio bitrate
\n-acodec<\/strong>\u00a0= audio codec
\n-r<\/strong>\u00a0= framerate
\n-f\u00a0<\/strong>= output format
\n-b<\/strong>\u00a0= bitrate (of video!)
\n-s<\/strong>\u00a0= resize to width x height<\/p>\n

10, Convert\u00a0Video \u2013> JPG<\/strong>\u00a0Sequence
\n#ffmpeg -i input.mpg -an -r 10 -y -s 320\u00d7240 video%d.jpg<\/p>\n

11.\u00a0Convert Every n seconds to JPEG<\/strong>
\n#ffmpeg -i input.mpg\u00a0-r 0.2<\/strong>\u00a0-sameq -f image2 thumbs%02d.jpg where r is the time when jpg file created. r can be 0.2 indicate every 5 second, if you need a jpeg on every 45 seconds use 1\/45.<\/p>\n

11.\u00a0Crop the video between the specified time<\/strong>
\n#ffmpeg -i input.mpg -an -ss 00:00:03 -t 00:00:01 -r 1 -y -s 320\u00d7240 video%d.jpg where
\n-ss :<\/strong>\u00a0Record start time
\n-t :<\/strong>\u00a0No. of second to end suppose you want to crop 2 minutes video which starts from the 10 minutes play
\n-ss 00:10:00 -t 00:02:00
\n%d :<\/strong>\u00a0Naming with timestamp<\/p>\n

12. Converting\u00a0flv \u2013> mp3<\/strong>
\n#ffmpeg -i input.flv -vn -acodec copy output.mp3<\/p>\n

13. Converting\u00a0WAV \u2013> MP3\u00a0<\/strong>
\n#ffmpeg -i Input.wav -ab 128 Output.mp3
\n#ffmpeg -i input.avi -vn -ar 44100 -ac 2 -ab 192 -f mp3 output.mp3<\/p>\n

14 :\u00a0Encode a video sequence for the iPpod\/iPhone\u00a0<\/strong>
\nffmpeg -i input.avi input -acodec aac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 320\u00d7180 -title X output.mp4<\/p>\n

15. Converting\u00a0AVI \u2013> GIF<\/strong>
\nffmpeg -i input.avi gif_anime.gif
\n16. Compress\u00a0.avi \u2013> divx<\/strong>
\n#ffmpeg -i input.avi -s 320\u00d7240 -vcodec msmpeg4v2 output.avi
\nSource : input.avi
\nAudio codec : aac
\nAudio bitrate : 128kb\/s
\nVideo codec : mpeg4
\nVideo bitrate : 1200kb\/s
\nVideo size : 320px par 180px
\nGenerated video : output.mp4<\/p>\n

17.\u00a0Converting flv \u2013> Mp4<\/strong>
\n#ffmpeg -i sample.flv -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -s 320\u00d7240 final_video.mp4<\/p>\n

some useful resources,<\/p>\n

http:\/\/www.itbroadcastanddigitalcinema.com\/ffmpeg_howto.html<\/p>\n

http:\/\/ffmpeg.org\/faq.html<\/p>\n","protected":false},"excerpt":{"rendered":"

1. Converting\u00a0MOV\/MPEG\/AVI\/MP4 \u2013> flv\u00a0 #ffmpeg -i input file output.flv 2. Convert and adjust the video file resolution to output file # ffmpeg -i input.avi -s 500\u00d7500 output.flv 3. Converting\u00a03GP \u2013> FLV #ffmpeg -i input.3gp -sameq -an output.flv 4. Converting\u00a0MPEG \u2013>3GP #ffmpeg -i input.mpeg -ab 8.85k -acodec libamr_wb -ac 1 -ar 16000 -vcodec h263 -s qcif … Continue reading Some useful ffmpeg commands ( commandline video converting tool)<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-1248","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/1248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1248"}],"version-history":[{"count":1,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/1248\/revisions"}],"predecessor-version":[{"id":1249,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/1248\/revisions\/1249"}],"wp:attachment":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}