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[youtube] Improvements to JS player extraction (See desc) (#860)

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* fallback player url extraction when it fails to be extracted from the webpage
* don't download js player unnecessarily for clients that don't require it
* try to extract js player url from any additional client configs
* ability to skip the js player usage/download using `player_skip=js`
* ability to skip the initial webpage download using `player_skip=webpage`

known issue:
* authentication for multi-channel accounts and multi-account cookies may not work correctly if the webpage or client configs are skipped
*  formats from the web client requiring signature decryption will be skipped if player js extraction is skipped

Authored by: coletdjnz
This commit is contained in:
coletdjnz
2021-09-06 07:26:41 +00:00
committed by GitHub
parent bccdbd22d5
commit b6de707d13
2 changed files with 57 additions and 28 deletions
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README.md
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@@ -1436,7 +1436,7 @@ The following extractors use this feature:
* **youtube**
* `skip`: `hls` or `dash` (or both) to skip download of the respective manifests
* `player_client`: Clients to extract video data from. The main clients are `web`, `android`, `ios`, `mweb`. These also have `_music`, `_embedded`, `_agegate`, and `_creator` variants (Eg: `web_embedded`) (`mweb` has only `_agegate`). By default, `android,web` is used, but the agegate and creator variants are added as required for age-gated videos. Similarly the music variants are added for `music.youtube.com` urls. You can also use `all` to use all the clients
* `player_skip`: `configs` - skip any requests for client configs and use defaults
* `player_skip`: Skip some network requests that are generally needed for robust extraction. One or more of `configs` (skip client configs), `webpage` (skip initial webpage), `js` (skip js player). While these options can help reduce the number of requests needed or avoid some rate-limiting, they could cause some issues. See [#860](https://github.com/yt-dlp/yt-dlp/pull/860) for more details
* `include_live_dash`: Include live dash formats (These formats don't download properly)
* `comment_sort`: `top` or `new` (default) - choose comment sorting mode (on YouTube's side).
* `max_comments`: Maximum amount of comments to download (default all).