vdatanet 1549 Posted August 1, 2019 Share Posted August 1, 2019 (edited) Last Nvidia Shield Update has broken VC1 direct play playback https://emby.media/community/index.php?/topic/75992-shield-experience-80-android-9-pie/?p=770286 Edited August 1, 2019 by vdatanet 2 Link to comment Share on other sites More sharing options...
pgalbavy 6 Posted August 1, 2019 Share Posted August 1, 2019 Agreed. Audio is fine, screen is black (unless you view menus and other overlays). Plex works ok on same media. All other mkv contained codec video is fine. Link to comment Share on other sites More sharing options...
CBers 6771 Posted August 1, 2019 Share Posted August 1, 2019 Do either of you have a sample file available? Link to comment Share on other sites More sharing options...
vdatanet 1549 Posted August 1, 2019 Author Share Posted August 1, 2019 Do either of you have a sample file available? I'm preparing a small sample, the file is too big. Link to comment Share on other sites More sharing options...
vdatanet 1549 Posted August 1, 2019 Author Share Posted August 1, 2019 (edited) Do either of you have a sample file available? Here is the sample: http://www.vdata.net/output.zip Edited August 1, 2019 by vdatanet Link to comment Share on other sites More sharing options...
CBers 6771 Posted August 1, 2019 Share Posted August 1, 2019 Here is the sample: http://www.vdata.net/output.zip I'll give it a whirl when I'm home in a few hours, unless others can test it beforehand. @ normally likes a challenge Link to comment Share on other sites More sharing options...
Guest asrequested Posted August 1, 2019 Share Posted August 1, 2019 I have a VC1 movie. I'll see what happens with it, later. 2 Link to comment Share on other sites More sharing options...
vdatanet 1549 Posted August 1, 2019 Author Share Posted August 1, 2019 Here is the sample: http://www.vdata.net/output.zip This movie has DTS and AC3 tracks. My system doesn't support DTS, so when I play the file with DTS track selected, audio is transcoded and the movie plays fine. But when I select an AC3 track then playback is direct play and the video becomes black. Movies with only AC3 track also plays with video black. Link to comment Share on other sites More sharing options...
Guest asrequested Posted August 1, 2019 Share Posted August 1, 2019 This movie has DTS and AC3 tracks. My system doesn't support DTS, so when I play the file with DTS track selected, audio is transcoded and the movie plays fine. But when I select an AC3 track then playback is direct play and the video becomes black. Movies with only AC3 track also plays with video black. So maybe it has something to do with the container (mkv), and not the codec? I wonder what would happen if it was an mp4 container? Or hls is solving the problem? Could be a splitting issue... ??? Link to comment Share on other sites More sharing options...
vdatanet 1549 Posted August 1, 2019 Author Share Posted August 1, 2019 It's strange when I select AC3 track playback is direct play, but when I select DTS instead of remux it's full transcoded: Stream mapping:Stream #0:0 -> #0:0 (vc1 (native) -> h264 (h264_vaapi))Stream #0:2 -> #0:1 (dts (dca) -> ac3 (native))Stream #0:11 -> #1:0 (subrip (srt) -> webvtt (native)) Link to comment Share on other sites More sharing options...
Guest asrequested Posted August 1, 2019 Share Posted August 1, 2019 Oh, it's transcoding the video, too. So this is starting to look like the hardware updates Nvidia mentioned, might also include no hardware acceleration for VC1. Link to comment Share on other sites More sharing options...
vdatanet 1549 Posted August 1, 2019 Author Share Posted August 1, 2019 (edited) Other guys have reported this to Nvidia. https://forums.geforce.com/default/topic/1158216/shield-tv/shield-experience-upgrade-8-0/post/6126487/#6126487 https://forums.geforce.com/default/topic/1158216/shield-tv/shield-experience-upgrade-8-0/post/6126513/#6126513 I have sent a sample to Nvidia: https://forums.geforce.com/default/topic/1158216/shield-tv/shield-experience-upgrade-8-0/post/6127051/#6127051 Edited August 1, 2019 by vdatanet Link to comment Share on other sites More sharing options...
ebr 14913 Posted August 1, 2019 Share Posted August 1, 2019 It's strange when I select AC3 track playback is direct play, but when I select DTS instead of remux it's full transcoded: Stream mapping: Stream #0:0 -> #0:0 (vc1 (native) -> h264 (h264_vaapi)) Stream #0:2 -> #0:1 (dts (dca) -> ac3 (native)) Stream #0:11 -> #1:0 (subrip (srt) -> webvtt (native)) Because we cannot deliver VC1 via HLS so need to convert it. This FW upgrade is starting to look like a disaster for nVidia - hopefully, they can react quickly. Link to comment Share on other sites More sharing options...
Guest asrequested Posted August 1, 2019 Share Posted August 1, 2019 This FW upgrade is starting to look like a disaster for nVidia - hopefully, they can react quickly. I think someone is asleep at the wheel, over there. Link to comment Share on other sites More sharing options...
CBers 6771 Posted August 1, 2019 Share Posted August 1, 2019 Here is the sample: http://www.vdata.net/output.zip It Direct plays, but no video, just audio. That is with all 4 audio tracks and the same result. Link to comment Share on other sites More sharing options...
CBers 6771 Posted August 1, 2019 Share Posted August 1, 2019 Plex transcodes the file, as it says "VC1 is not supported on this device". Link to comment Share on other sites More sharing options...
ebr 14913 Posted August 1, 2019 Share Posted August 1, 2019 Plex transcodes the file, as it says "VC1 is not supported on this device". They must have never supported direct playing them because the device is still reporting it supports VC1 if we are direct playing it (we only do that if the device tells us it is supported). 1 Link to comment Share on other sites More sharing options...
vdatanet 1549 Posted August 1, 2019 Author Share Posted August 1, 2019 (edited) https://emby.media/community/index.php?/topic/51495-shield-pro-refresh-rate-switching-and-lossless-audio/?p=545004 VC1 movies were playing fine in direct play. The nvidia guy has my sample now. I’ll post any info here. Edited August 1, 2019 by vdatanet 2 Link to comment Share on other sites More sharing options...
vdatanet 1549 Posted August 2, 2019 Author Share Posted August 2, 2019 (edited) They must have never supported direct playing them because the device is still reporting it supports VC1 if we are direct playing it (we only do that if the device tells us it is supported). Googling a bit I have seen that problems with the VC1 codec were common in the past. I think VC1 should be transcoded until this issue is fixed. Edited August 2, 2019 by vdatanet 1 Link to comment Share on other sites More sharing options...
vdatanet 1549 Posted August 3, 2019 Author Share Posted August 3, 2019 (edited) This is what sniper (Nvidia Forum Moderator) says in Nvidia Forum: VC1 playback not working. Reproduced and debugging. We missed advertising vc1 support in 8.0 so players don’t see we’re capable and fall back. Easy fix, will get included in the 8.0+ HotFix image and the next official release. @@ebr you have two options: 1) Wait (Maybe 6 months ) 2) Transcode VC1 videos If I were you I would force transcoding and when they'll fix this issue, direct play playback again Edited August 3, 2019 by vdatanet 2 Link to comment Share on other sites More sharing options...
pgalbavy 6 Posted August 3, 2019 Share Posted August 3, 2019 I hope / suspect that this is a big enough issue for nvidia they get a hotfix out in weeks, and not their usual "whenever" schedule. 1 Link to comment Share on other sites More sharing options...
vdatanet 1549 Posted August 3, 2019 Author Share Posted August 3, 2019 (edited) I hope / suspect that this is a big enough issue for nvidia they get a hotfix out in weeks, and not their usual "whenever" schedule. It makes sense that they release an immediate hotfix for critical issues. Edited August 3, 2019 by vdatanet Link to comment Share on other sites More sharing options...
vdatanet 1549 Posted August 5, 2019 Author Share Posted August 5, 2019 Link to comment Share on other sites More sharing options...
vdatanet 1549 Posted August 7, 2019 Author Share Posted August 7, 2019 This is what sniper (Nvidia Forum Moderator) says in Nvidia Forum: VC1 playback not working. Reproduced and debugging. We missed advertising vc1 support in 8.0 so players don’t see we’re capable and fall back. Easy fix, will get included in the 8.0+ HotFix image and the next official release. @@ebr you have two options: 1) Wait (Maybe 6 months ) 2) Transcode VC1 videos If I were you I would force transcoding and when they'll fix this issue, direct play playback again What about this? I don't expect an Nvidia quick fix, so I think VC1 videos should be transcoded. 1 Link to comment Share on other sites More sharing options...
ebr 14913 Posted August 7, 2019 Share Posted August 7, 2019 I think they probably will issue a fix fairly quickly but the next beta will disable direct play for VC1. 2 Link to comment Share on other sites More sharing options...
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