[Bug] [Feature Request] 1080p over MHL, cut left/right plus borders on 2nd screen

334 posts
Thanks Meter: 22
By gggg, Senior Member on 1st June 2014, 08:53 AM
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MX Player

1st screen: 8.4-inch WQXGA 2560x1600
Galaxy TAB PRO SM-T320N, Qualcomm, 2,3GHz, 2GB RAM, Android Version: KitKat 4.4.2

Codec: MPEG4, H.264, H.263, VC-1, VP8, WMV7/8, Sorenson Spark, MP43
Format: AVI, MP4, 3GP, MKV, WMV, ASF, FLV

2nd screen: Sony FHD TV connected over Samsung 1080p50 MHL to HDMI adapter

Video: 1080p50 h264(pid=4113) in .mts recorded with Sony HX cam

MX set to "fit screen":
1st screen OK (borders top & bottom), 2nd screen borders all around

MX set to "cut screen": NOK on 2nd
1st screen cut left & right, also cuts 2nd left and right not using the full width = borders left and right

Possible Solution:
VLC Beta does not show video on 1st, but uses full 1080p screen (pixel to pixel) on 2nd. I think it could be a good idea anyway to have the possibility to switch off 1st screen and save power this way...
Last edited by gggg; 1st June 2014 at 09:04 AM.
3rd June 2014, 07:27 AM |#2  
CDB-Man's Avatar
Senior Member
Thanks Meter: 213
This isn't an MX Player problem per se, but rather a function of how screen rendering is done between devices with different resolutions.

The 1080p video is a 16:9 video, which gets cropped to fit on your 2560:1600 16:10 tablet screen; result is the top and bottom bars.

MHL, all it does it broadcast the tablet screen as-is to the TV. This means it's broadcasting the 2560:1600 16:10 screen as-is to the 1080p TV. Since the tablet's taller than the TV, it will get cropped with the left and right bars.

VLC Beta where the video only plays on the 2nd screen, that would be what's generally referred to as casting; aka asking the TV to decode and render the video. MHL is generally for mirroring; aka where both screens show the same video source.
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