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ffmpeg [2013/06/28 15:19]
beandog
ffmpeg [2019/07/14 01:54] (current)
beandog
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 ====== ffmpeg ====== ====== ffmpeg ======
 +
 +  * [[ffplay]]
 +  * [[ffprobe]]
 +  * [[frameinfo]]
 +  * [[framecount]]
 +  * [[detelecine]]
 +  * [[yadif]]
 +  * [[bwdif]]
 +  * [[Subtitles]]
 +
 +  * [[https://​amiaopensource.github.io/​ffmprovisr/​|ffmprovisr]]
 +  * [[https://​en.wikibooks.org/​wiki/​FFMPEG_An_Intermediate_Guide]]
 +  * [[http://​wiki.indie-it.com/​wiki/​FFmpeg_DVD]] - lots of good, detailed ffmpeg examples
 +
 +To do a clean MPG [[dvd_copy|copy]] from a DVD:
 +
 +<​code>​
 +dvd_copy -o - | ffmpeg -i - -map 0:v -map 0:a -map 0:s -codec copy -f vob dvd_copy.mpg ​
 +</​code>​
 +
 +Or into Matroska:
 +
 +<​code>​
 +dvd_copy -o - | ffmpeg -fflags +genpts -i - -codec copy dvd_copy.mkv ​
 +</​code>​
 +
 +** Adding Chapters **
 +
 +  * See [[https://​ffmpeg.org/​ffmpeg-formats.html#​Metadata-1]]
 +
 +Create a file with the metadata. This example here has chapters at each minute mark.
 +
 +<​code>​
 +;​FFMETADATA1
 +[CHAPTER]
 +TIMEBASE=1/​1000
 +START=0
 +END=60000
 +title=Chapter 1
 +[CHAPTER]
 +TIMEBASE=1/​1000
 +START=60000
 +END=120000
 +title=Chapter 2
 +[CHAPTER]
 +TIMEBASE=1/​1000
 +START=120000
 +END=180000
 +title=Chapter 3
 +[CHAPTER]
 +TIMEBASE=1/​1000
 +START=180000
 +END=240000
 +title=Chapter 4
 +</​code>​
 +
 +Use the file as input with the encode, and map the metadata:
 +
 +<​code>​
 +ffmpeg -i video.mpg -i chapters.txt -map_metadata 1 video.mkv
 +</​code>​
 +
 +You can extract the metadata as well:
 +
 +<​code>​
 +ffmpeg -i dvd_copy.mkv -f ffmetadata metadata.txt
 +</​code>​
  
 === archives: Wrong audio track by default === === archives: Wrong audio track by default ===
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 Also, MV1234.MP4 is the old supported format. ​ My PSP (firmware >5) supports "​movie.mp4"​ naming scheme, as well as folder structures just fine! 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 don't seem to work well when AC3 is placed in there. ​ I'd recommend encoding to AVI (or MP4) and then using mkvmerge. 

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