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chore: update README with ffmpeg commands

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Joshua Seigler 2021-11-24 21:01:21 -05:00
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README.md
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@ -8,21 +8,32 @@ Accepts three query parameters:
- `source`: optional, defaults to `master.m3u8`. - `source`: optional, defaults to `master.m3u8`.
- `title`: optional, allows overriding the browser tab title. - `title`: optional, allows overriding the browser tab title.
Here are commands you can use to encode and upload a video to IPFS: Here is a script you can use to encode a video into a HLS folder with a playlist:
``` ```
mkdir output #!/usr/bin/env bash
cd output outdir=${1%.*}
ffmpeg -i ../yourVideoFilename.mp4 -profile:v baseline -level 3.0 -start_number 0 -hls_time 5 -hls_list_size 0 -f hls master.m3u8 mkdir "$outdir"
ipfs add -Qr . pushd "$outdir"
ffmpeg -i "../$1" -profile:v baseline -level 3.0 -start_number 0 -hls_time 5 -hls_list_size 0 -f hls master.m3u8
popd
``` ```
(If you add that to your path as `recode-to-hls` you can convert a folder of MP4 files with the command `ls *.mp4 -1 | xargs -d "\n" recode-to-hls`.)
A folder produced this way can be posted to IPFS, and that hash is used in this page URL. Here are two hashes created following this format:
`QmdpAidwAsBGptFB3b6A9Pyi5coEbgjHrL3K2Qrsutmj9K` - Big Buck Bunny
`QmYzdc44xBkVgp8aWJW57KprjDs5j2hmN8g7eDqm5pvY8L` - Royal Path episode 001
The output from the `ipfs` command is the hash to use with this page. The output from the `ipfs` command is the hash to use with this page.
Two example URLs: Two example URLs:
http://ipfs.io/ipfs/QmQkJRPbmqcYeQcyN6mFmSYGoLWT7731GggCrTKo9tHBqF/?hash=QmdpAidwAsBGptFB3b6A9Pyi5coEbgjHrL3K2Qrsutmj9K&title=Big%20Buck%20Bunny http://ipfs.io/ipfs/QmQkJRPbmqcYeQcyN6mFmSYGoLWT7731GggCrTKo9tHBqF/?hash=QmdpAidwAsBGptFB3b6A9Pyi5coEbgjHrL3K2Qrsutmj9K&title=Big%20Buck%20Bunny
https://ipfs.io/ipfs/QmQkJRPbmqcYeQcyN6mFmSYGoLWT7731GggCrTKo9tHBqF/?hash=QmYzdc44xBkVgp8aWJW57KprjDs5j2hmN8g7eDqm5pvY8L&title=Royal+Path+001+-+What+is+the+Royal+Path%3F
## How to build from source ## How to build from source
### NPM commands ### NPM commands