eb36a76fce31e99b68b1ff31c5c3f0c8351ae839
Etc/VideoCapture.md
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| 70 | 70 | - [お気に入りの動画を携帯で見よう](http://blog.k-tai-douga.com/) バイナリの配布 |
| 71 | 71 | - [FFmpeg VP8 Encoding Options](https://sites.google.com/a/webmproject.org/wiki/ffmpeg) |
| 72 | 72 | - PC 用 MP4 を Android 用 MP4 へ変換 |
| 73 | -``` |
|
| 74 | -ffmpeg -i %1.mp4 -vcodec libx264 -acodec libvo_aacenc -coder 0 -bf 0 -level 30 %1.mp4 |
|
| 75 | -``` |
|
| 73 | + ``` |
|
| 74 | + ffmpeg -i %1.mp4 -vcodec libx264 -acodec libvo_aacenc -coder 0 -bf 0 -level 30 %1.mp4 |
|
| 75 | + ``` |
|
| 76 | 76 | - MP4 を WebM へ変換 |
| 77 | -``` |
|
| 78 | -ffmpeg -i %1.mp4 %1.webm |
|
| 79 | -``` |
|
| 80 | -または |
|
| 81 | -``` |
|
| 82 | -ffmpeg -i %1.mp4 -vcodec libvpx -acodec libvorbis %1.webm |
|
| 83 | -``` |
|
| 84 | -ビットレート指定 |
|
| 85 | -``` |
|
| 86 | -ffmpeg -i %1.mp4 -b:v 800k -b:a 96k %1.webm |
|
| 87 | -``` |
|
| 88 | -フレームサイズ変更 |
|
| 89 | -``` |
|
| 90 | -ffmpeg -i %1.mp4 -s 640x360 %1.webm |
|
| 91 | -``` |
|
| 77 | + ``` |
|
| 78 | + ffmpeg -i %1.mp4 %1.webm |
|
| 79 | + ``` |
|
| 80 | + または |
|
| 81 | + ``` |
|
| 82 | + ffmpeg -i %1.mp4 -vcodec libvpx -acodec libvorbis %1.webm |
|
| 83 | + ``` |
|
| 84 | + ビットレート指定 |
|
| 85 | + ``` |
|
| 86 | + ffmpeg -i %1.mp4 -b:v 800k -b:a 96k %1.webm |
|
| 87 | + ``` |
|
| 88 | + フレームサイズ変更 |
|
| 89 | + ``` |
|
| 90 | + ffmpeg -i %1.mp4 -s 640x360 %1.webm |
|
| 91 | + ``` |
|
| 92 | 92 | - MP4 を WMV へ変換 |
| 93 | -``` |
|
| 94 | -ffmpeg -i %1.mp4 %1.wmv |
|
| 95 | -``` |
|
| 93 | + ``` |
|
| 94 | + ffmpeg -i %1.mp4 %1.wmv |
|
| 95 | + ``` |
|
| 96 | 96 | - ネガポジ反転<br /> |
| 97 | 97 | フィルターと vcodec は同時に指定できない。 |
| 98 | -``` |
|
| 99 | -ffmpeg -i "positive.mp4" -vf "lutrgb='r=negval:g=negval:b=negval'" -acodec copy "negative.mp4" |
|
| 100 | -``` |
|
| 98 | + ``` |
|
| 99 | + ffmpeg -i "positive.mp4" -vf "lutrgb='r=negval:g=negval:b=negval'" -acodec copy "negative.mp4" |
|
| 100 | + ``` |
|
| 101 | + |
|
| 102 | +- .m3u8 を mp4 ファイル化 |
|
| 103 | + ``` |
|
| 104 | + ffmpeg -i 'http://example.com/path/master.m3u8' -bsf:a aac_adtstoasc -c copy -movflags faststart 'local.mp4' |
|
| 105 | + ``` |
|
| 106 | + |
|
| 107 | +- サムネール追加<br /> |
|
| 108 | +[How do I add a custom thumbnail to a .mp4 file using ffmpeg? - Stack Overflow](https://stackoverflow.com/questions/54717175/) |
|
| 109 | + ``` |
|
| 110 | + ffmpeg -i 'video.mp4' -i 'image.png' -map 1 -map 0 -c copy -disposition:0 attached_pic 'out.mp4' |
|
| 111 | + ``` |
|
| 101 | 112 | |
| 102 | 113 | ## HandBrake |
| 103 | 114 | - [HandBrake](http://handbrake.fr/) Open Source Video Transcoder |