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IDProjectCategoryView StatusLast Update
0017540MediaMonkey 5Casting (Google Cast / UPnP)public2021-04-29 07:38
Reporterrusty Assigned To 
Status closedResolutionreopened 
Product Version5.0 
Target Version5.0Fixed in Version5.0 
Summary0017540: Casting: incompatible files are sent to the chromecast without auto-conversion
DescriptionCasting some MP4 files that play correctly in MM --> MM doesn't attempt to auto-convert them to a format that's compatible with the chromecast gen2.

I guess the Supported formats need to be tweaked for each different type of Chromecast?
TagsNo tags attached.
Fixed in build2335


related to 0013277 closedLudek Add auto-conversion profile for Chromecast (adjust for ALAC) 
related to 0017794 closedLudek DLNA/casting: Auto-converted / transcoded tracks issues (regression) 
related to 0015254 closedLudek Fallback to auto-conversion when a file fails to cast 



2021-04-07 17:20

developer   ~0062727

Last edited: 2021-04-07 17:25

View 5 revisions

Yes, the sample file is H264 (avc1), 1280x720 (16:9), 29 fps
that Chromecast 1st and 2nd Gen. cannot play (supports only H.264 High Profile up to level 4.2 (1080p/60fps),
but e.g. Chromecast with Google TV can play it (supports H.264 High Profile up to level 5.1 (4Kx2K/30fps)

So we would really need to adjust the default auto-convert profiles per Google Cast device type, currently we use generic profile for all Google cast devices -- that can be customized by user manually then (per the device type) via the 'gear' button associated with player output.

For 5.0: I fixed a delay (when the file to be played is unsupported) in build 2333 (reduced from 15 seconds to just several seconds)


2021-04-08 07:18

developer   ~0062757

Another (and more universal) approach would be fallback to auto-convertion whenever we found that particular file is unsupported.


2021-04-08 18:13

developer   ~0062761

The fallback is implemented in 2334

Tested on the Rusty's sample file and Chromecast v2


2021-04-15 20:32

administrator   ~0062840

Tested 2334 and there are several issues:
1) The original restrepo file plays locally but always fails to play via the chromecast. This occurs whether the codec pack is installed or not!
2) The smurfs file plays locally and plays to the chromecast if the codec pack isn't installed, but fails to play to the chromecast (can't decode error) when the codec pack is installed!
3) The captain america file plays locally and sometimes plays to the chromecast, but sometimes returns an error (can't decode) even as it's playing on the chromecast!


2021-04-15 21:15

administrator   ~0062842

Last edited: 2021-04-15 22:05

View 2 revisions

On further testing, there may be 2 issues here:
1) The Restrepo file is being converted to the wrong format for some reason (Ludek indicated that it's being sent to .avi despite the webm auto-conversion rule)
2) Initially, both Smurfs and Captain America cast correctly. But whenever there's an attempt to cast Restrepo, not only is there a decoding error, but the vhelper process _remains open_ consuming 45% of CPU horsepower even after the decoding error. Worse, each subsequent attempt to play Restrepo opens an additional vhelper process that fails to close, sometimes triggering a thermal shutdown!


2021-04-15 22:08

administrator   ~0062843

Here's the associated auto-conversion rule.
auto-conversion_rule.png (30,542 bytes)   
auto-conversion_rule.png (30,542 bytes)   


2021-04-16 12:45

developer   ~0062844

Fixed in build 2335


2021-04-16 15:45

administrator   ~0062847

Verified 2335: Tested the original usecase along with manual conversion to AVI.