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No longer able to extract higher quality flv videos for most crunchyroll shows #11749
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No flv is served by Crunchyroll for http://www.crunchyroll.com/interviews-with-monster-girls/episode-1-takahashi-tetsuo-wants-an-interview-728567. Webplayer uses m3u8 as well. |
Okay it may not necessarily a relationship with flv but the fact is there exists a higher quality stream somewhere from Crunchyroll and HorribleSubs is able to rip this higher quality stream while youtube-dl is no longer able to do this. |
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@a4840639 While this may not help, but from what I've seen, Crunchyroll only serves flv files for a week after it airs, then adds (or replaces it with) m3u8 files. If people get higher quality videos, its probably because they get it in that one week time span that it only has flv. For example, Episode 1 of Interviews With Monster Girls was aired January 7th, over a week ago, and I only get mp4. Episode 2 however, aired January 14th, and I get flv. |
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Okay I kind of get it. Maybe the strategy Crunchyroll adopted is hosting flv for new strems and replace those streams with lower bitrate ones after a few days. I am really sad that I have to go pirate in order to watch higher quality Anime. |
Please follow the guide below
xinto all the boxes [ ] relevant to your issue (like that [x])Make sure you are using the latest version: run
youtube-dl --versionand ensure your version is 2017.01.16. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.Before submitting an issue make sure you have:
What is the purpose of your issue?
youtube-dl used to able to extract flv encodes of virtually all crunchyroll shows. These flv shows are encoded using 2-pass with a bitrate of around 3000kbps. However, recently the videos youtube-dl extracts are mostly mp4s. These mp4s are encoded with crf as low as 24.6 which is honestly quite bad, and their bitrates are thus often way below 3000kbps despite much lower x264 settings.
I know it is probably an API change on Crunchyroll's side but flv encodes certainly still exist because HorribleSubs is still able to release them (you can tell the encoding from the file size).
A show in mp4 encoding, note how low the bitrate is:
A very rare example of a show which is still available in flv: