6e601f03ddc32fbcebc6c3a22a9d0fe72c762e81
Etc/VideoCapture.md
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| 65 | 65 | ## FFmpeg |
| 66 | 66 | - [FFmpeg](http://ffmpeg.org/) |
| 67 | 67 | - [FFmpeg GUI, by Create Software](http://ffmpeg-gui.sourceforge.net/) |
| 68 | - - [オプション](http://ffmpeg.org/ffmpeg.html) / [フィルター](https://ffmpeg.org/ffmpeg-filters.html) |
|
| 68 | + - [オプション](https://ffmpeg.org/ffmpeg.html) / [フィルター](https://ffmpeg.org/ffmpeg-filters.html) |
|
| 69 | 69 | - https://github.com/FFmpeg |
| 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) |
| ... | ... | @@ -104,6 +104,13 @@ |
| 104 | 104 | ffmpeg -i "positive.mp4" -vf "lutyuv='y=negval:u=negval:v=negval'" -acodec copy "negative.mp4" |
| 105 | 105 | ``` |
| 106 | 106 | |
| 107 | +- γ補正<br/> |
|
| 108 | +明度アップ: 0<γ<1<br/> |
|
| 109 | +明度ダウン: 1<γ |
|
| 110 | + ``` |
|
| 111 | + ffmpeg -i "original.mp4" -vf "lutyuv='y=gammaval(0.6)'" -acodec copy "brightened.mp4" |
|
| 112 | + ``` |
|
| 113 | + |
|
| 107 | 114 | - .m3u8 を mp4 ファイル化 |
| 108 | 115 | ``` |
| 109 | 116 | ffmpeg -i 'http://example.com/path/master.m3u8' -bsf:a aac_adtstoasc -c copy -movflags faststart 'local.mp4' |