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ffmpeg [2013/06/28 15:13] beandog |
ffmpeg [2013/06/28 15:19] beandog |
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</code> | </code> | ||
- | === archvies: From Letterbox to Anamorphic Widescreen === | + | === archives: From Letterbox to Anamorphic Widescreen === |
<code> | <code> | ||
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If you looked at a widescreen and a fullscreen video, the original display size is actually the same: 720x480. They are just stretched differently based on the aspect ratio. | If you looked at a widescreen and a fullscreen video, the original display size is actually the same: 720x480. They are just stretched differently based on the aspect ratio. | ||
+ | |||
+ | === archives: Convert image to video === | ||
+ | |||
+ | <code> | ||
+ | ffmpeg -i snapshot.jpg -sameq -s 720x480 video.mp4 | ||
+ | </code> | ||
+ | |||
+ | That will create a one frame video. Then I copy it to about 200 frames to make a 6 second video. | ||
+ | |||
+ | Avidemux has problems opening a single frame file, so create a long MP4 before trying to create a VOB to burn to DVD. | ||
+ | |||
+ | === archives: PSP Format w/ffmpeg === | ||
+ | |||
+ | Finally found a working solution: | ||
+ | |||
+ | <code>ffmpeg -y -i 101._The_Force_Phantom.mkv -s 320x240 -ar 24000 -r 29.97 -f psp -title "The Force Phantom" M4V12345.MP4</code> | ||
+ | |||
+ | You *can* encode to 480x272 (or 270) and it will playback fine, but for some reason the title tag won't be read anymore. Seems to be a PSP bug, since a video I downloaded (SWTFU stuff) also won't display it. | ||
+ | |||
+ | Also, MV1234.MP4 is the old supported format. My PSP (firmware >5) supports "movie.mp4" naming scheme, as well as folder structures just fine! | ||
+ | |||
+ | === archives: Muxing to Matroska === | ||
+ | |||
+ | ffmpeg seems to have issues creating MKV files. For one, they are much larger | ||
+ | than an AVI with the same encoding options. Secondly, they dont' seem to work | ||
+ | well when AC3 is placed in there. I'd recommend encoding to AVI (or MP4) and | ||
+ | then using mkvmerge. |