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add help msg for extra option

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wuguohua 2017-03-05 10:43:35 +08:00
parent 22fc2aa4fc
commit 9a8113a825
2 changed files with 9 additions and 2 deletions
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README.md
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@ -8,7 +8,13 @@ Run `python ffmpeg-split.py -h` to see the options. Here are few samples of how
`python ffmpeg-split.py -f big_video_file.mp4 -s 10`
This splits `big_video_file.mp4` into 10 chunks. Each chunk will be suffixed with numeric index, for example `big_video_file-0.mp4`, `big_video_file-1.mp4`, etc.
This splits `big_video_file.mp4` into chunks, and the size of chunk is 10 seconds. Each chunk will be suffixed with numeric index, for example `big_video_file-0.mp4`, `big_video_file-1.mp4`, etc.
## Spliting video into euqal chunks with some extra options
`python ffmpeg-split.py -f -i input.mp4 -s 600 -v libx264 -e '-vf "scale=320:240" -threads 8'
This splits `input.mp4` into chunks, and the size of chunk is 600 seconds. With extra option to scale output to `320:240` and use 8 threads to speed up.
## Splitting videos into unequal chunks
@ -70,6 +76,7 @@ start_time,length,rename_to
* -m or --manifest manifest file to control the splitting of videos.
* -f or --file video file to split.
* -s or --split-size seconds to evenly split the videos
* -e or --extra extra optional options for ffmpeg, e.g. '-e -threads 8' to use 8 threads to speed up.
#### Notes:

2
ffmpeg-split.py
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@ -168,7 +168,7 @@ def main():
)
parser.add_option("-e", "--extra",
dest = "extra",
help = "extra option. ",
help = "Extra options for ffmpeg, e.g. '-e -threads 8'. ",
type = "string",
default = "",
action = "store"