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Thread: Chromecast Compatibility & Transcoding

  1. #1
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    Default Chromecast Compatibility & Transcoding

    Hi

    I am still getting incompatibility problems with my Chromecast. I am using a 3rd gen one now but as far as I am aware it has the same capability as my 2nd Gen versions.

    Using the Ultra profile by default - Transcode option selected against the device

    Problem 1 is No Video or Audio - No error shown in the app

    File details are:

    Video
    ID : 0
    Format : MPEG-4 Visual
    Format settings, BVOP : No
    Format settings, QPel : No
    Format settings, GMC : No warppoints
    Format settings, Matrix : Default (H.263)
    Codec ID : XVID
    Codec ID/Hint : XviD
    Duration : 43 min 21 s
    Bit rate : 978 kb/s
    Width : 640 pixels
    Height : 352 pixels
    Display aspect ratio : 16:9
    Frame rate : 23.976 (24000/1001) FPS
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Compression mode : Lossy
    Bits/(Pixel*Frame) : 0.181
    Stream size : 303 MiB (87%)

    Audio
    ID : 1
    Format : MPEG Audio
    Format version : Version 1
    Format profile : Layer 3
    Format settings : Joint stereo / MS Stereo
    Codec ID : 55
    Codec ID/Hint : MP3
    Duration : 43 min 21 s
    Bit rate mode : Variable
    Bit rate : 136 kb/s
    Channel(s) : 2 channels
    Sampling rate : 48.0 kHz
    Frame rate : 41.667 FPS (1152 SPF)
    Compression mode : Lossy
    Stream size : 43.2 MiB (12%)
    Alignment : Aligned on interleaves
    Interleave, duration : 24 ms (0.58 video frame)
    Interleave, preload duration : 471 ms
    Writing library : LAME3.93
    Encoding settings : -m j -V 4 -q 2 --abr 136

    I tried to pre-transcode but it ignored the transcoded version and still tried to play the native avi file although not 100% sure if I should have waited until the pre-transcode had finished before i attempted to play.

    On the TV I get the spinning arrow, then I see the file name being streamed, then the Mezzmo logo appears on the TV, thats it.


    Problem 2 - No Video or Audio - Also see error 2100

    Video
    ID : 1
    Format : HEVC
    Format/Info : High Efficiency Video Coding
    Format profile : Main@L3.1@Main
    Codec ID : V_MPEGH/ISO/HEVC
    Duration : 42 min 22 s
    Bit rate : 766 kb/s
    Width : 1 280 pixels
    Height : 720 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 23.976 (24000/1001) FPS
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Bits/(Pixel*Frame) : 0.035
    Stream size : 232 MiB (92%)
    Default : Yes
    Forced : No

    Audio
    ID : 2
    Format : AAC LC SBR
    Format/Info : Advanced Audio Codec Low Complexity with Spectral Band Replication
    Commercial name : HE-AAC
    Format settings : Explicit
    Codec ID : A_AAC-2
    Duration : 42 min 22 s
    Bit rate : 68.6 kb/s
    Channel(s) : 2 channels
    Channel layout : L R
    Sampling rate : 48.0 kHz
    Frame rate : 23.438 FPS (2048 SPF)
    Compression mode : Lossy
    Delay relative to video : 23 ms
    Stream size : 20.8 MiB (8%)
    Default : Yes
    Forced : No

    Same as above, on the TV I get the spinning arrow, then I see the file name being streamed, then the Mezzmo logo appears on the TV, thats it.

    Have tried with both the normal and Ultra Profiles.

    After transcoding the latter for Ultra Profile (and waiting for it to complete) it still refuses to play.

    For all transcoding I chose the top options, hls h264 aac.

    Lastly with the file below I get video but no audio and my volume controls do function (as in I do not get an message about a receiver, but still no sound)

    Video
    ID : 1
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : High@L4.1
    Format settings : CABAC / 9 Ref Frames
    Format settings, CABAC : Yes
    Format settings, RefFrames : 9 frames
    Codec ID : V_MPEG4/ISO/AVC
    Duration : 44 min 1 s
    Bit rate : 1 010 kb/s
    Width : 1 280 pixels
    Height : 720 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 23.976 (23976/1000) FPS
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.046
    Stream size : 311 MiB (71%)
    Writing library : x264 core 142 r2409kMod d6b4e63
    Encoding settings : cabac=1 / ref=9 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=10 / psy=1 / fade_compensate=0.00 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=2 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / fgo=0 / bframes=8 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=60 / rc=abr / mbtree=1 / bitrate=1010 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
    Default : Yes
    Forced : No

    Audio
    ID : 2
    Format : AC-3
    Format/Info : Audio Coding 3
    Commercial name : Dolby Digital
    Codec ID : A_AC3
    Duration : 44 min 1 s
    Bit rate mode : Constant
    Bit rate : 384 kb/s
    Channel(s) : 6 channels
    Channel layout : L R C LFE Ls Rs
    Sampling rate : 48.0 kHz
    Frame rate : 31.250 FPS (1536 SPF)
    Bit depth : 16 bits
    Compression mode : Lossy
    Stream size : 121 MiB (27%)
    Service kind : Complete Main
    Default : Yes
    Forced : No


    Any help once again, greatly appreciated.

    Steve
    Last edited by Roofus; 11-28-2018 at 07:58 AM.

  2. #2
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    Default

    The Chromecast does not officially support avi files so this might be where the problem lies. The profile does not have any support for avi files indicated, if transcoding is on then Mezzmo will transcode avi files to play them on the Chromecast. Avi files are similar to matroska files so the chromecast may be able to play some without transcoding but since they are not officially supported it may be hit and miss where a small difference can cause the file to fail to play. The best approach is to turn on transcoding for the device in Mezzmo so that they are transcoded by default. If you pre-transcode you will need to make sure to refresh the file listing in the app you are using to stream to the chromecast, using Mezzmo Android a browse is done automatically for the selected file before playing to get the correct item listing but other apps may not do this.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
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  3. #3
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    Default

    Hi Peter

    The 1st example, the avi, no Transcode is triggered, its simply streams (or not). I have turned logging and emailed them to support if that's any help and sent screen shots.

    The 2nd and 3rd examples are mkv's.

    I can confirm under the device settings "transcode" option is ticked.

    Steve

  4. #4
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    Default

    The logs show the Chromecast is using the Generic Device (NTSC) profile, so you should change the device profile for device 192.168.0.13 to Google Chromecast (Ultra) to resolve the issue.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
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    Web: http://www.mezzmo.com

  5. #5
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    Default

    Hi Peter

    Ok, now I am using a different device with no naming overlap etc. I have success on 2 out of the three file type. My problem now remains "just" with the following mkv files ...

    This does not play, it will not trigger a transcode ....

    Format : HEVC
    Format/Info : High Efficiency Video Coding
    Format profile : Main@L3.1@Main
    Codec ID : V_MPEGH/ISO/HEVC
    Duration : 42 min 22 s
    Bit rate : 766 kb/s
    Width : 1 280 pixels
    Height : 720 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 23.976 (24000/1001) FPS
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Bits/(Pixel*Frame) : 0.035
    Stream size : 232 MiB (92%)
    Default : Yes
    Forced : No

    Audio
    ID : 2
    Format : AAC LC SBR
    Format/Info : Advanced Audio Codec Low Complexity with Spectral Band Replication
    Commercial name : HE-AAC
    Format settings : Explicit
    Codec ID : A_AAC-2
    Duration : 42 min 22 s
    Bit rate : 68.6 kb/s
    Channel(s) : 2 channels
    Channel layout : L R
    Sampling rate : 48.0 kHz
    Frame rate : 23.438 FPS (2048 SPF)
    Compression mode : Lossy
    Delay relative to video : 23 ms
    Stream size : 20.8 MiB (8%)
    Default : Yes
    Forced : No

    And this plays just file without a transcode ...

    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : High@L4
    Format settings : CABAC / 4 Ref Frames
    Format settings, CABAC : Yes
    Format settings, RefFrames : 4 frames
    Codec ID : V_MPEG4/ISO/AVC
    Duration : 42 min 12 s
    Bit rate : 5 166 kb/s
    Width : 1 912 pixels
    Height : 1 072 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 23.976 FPS
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.105
    Stream size : 1.52 GiB (91%)
    Language : English
    Default : Yes
    Forced : No
    Color range : Limited
    Color primaries : BT.709
    Transfer characteristics : BT.709
    Matrix coefficients : BT.709

    Audio #1
    ID : 1
    Format : AAC LC
    Format/Info : Advanced Audio Codec Low Complexity
    Codec ID : A_AAC-2
    Duration : 42 min 12 s
    Bit rate : 126 kb/s
    Channel(s) : 2 channels
    Channel layout : L R
    Sampling rate : 48.0 kHz
    Frame rate : 46.875 FPS (1024 SPF)
    Compression mode : Lossy
    Delay relative to video : -42 ms
    Stream size : 38.0 MiB (2%)
    Language : English
    Default : Yes
    Forced : No

    Is there any way the first file format can trigger a transcode?

    The problem I can see is to get a previous problem working you suggested using the Ultra profile and the Chromecast Ultra will support HEVC but the 2nd & 3rd Gen do not and you do not have a Gen 2/3 profile which falls between the two profiles.

    I am as always happy to test anything.

    Steve

  6. #6
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    The only difference between the Chromecast and Chromecast Ultra profiles is the support for HEVC, so if the HEVC files do not play you should change to the Google Chromecast profile so that they will be transcoded.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
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  7. #7
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    Hi Peter, I swapped over to the Ultra profile because of support for AC3 in the earlier profile because early chromecasts would just play this audio. If I swap back it will start to try and pass through the audio again for those files.

    I seen to be stuck needing both profiles and having to either manually transcode or continually swap profiles depending on the file type.

    Steve

  8. #8
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    The Google Chromecast profile does not have AC3 support in Mezzmo 5.2.0.0 so it should be fine to switch back to this profile and AC3 will be transcoded.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  9. #9
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    Hi Peter

    Ok, I have no idea why at the very start I had a problem with E-AC3 files wanting to pass the audio to a separate decoder but the problem has vanished, it was because of this problem you sent me the Ultra profile to test.

    So back to the standard profile I have checked a sample of every file type I have with both with a 2nd Gen & a new 3rd Gen and can say every file plays apart from one exception, the full details of my tests are attached but the only file type I cannot get to play is:

    Video
    ID : 1
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : Main@L4.1
    Format settings : CABAC / 6 Ref Frames
    Format settings, CABAC : Yes
    Format settings, RefFrames : 6 frames
    Codec ID : avc1
    Codec ID/Info : Advanced Video Coding
    Duration : 42 min 20 s
    Bit rate : 3 778 kb/s
    Width : 1 920 pixels
    Height : 1 080 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 23.976 (24000/1001) FPS
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.076
    Stream size : 1.12 GiB (91%)
    Writing library : x264 core 148 r2721
    Encoding settings : cabac=1 / ref=6 / deblock=1:0:0 / analyse=0x1:0x131 / me=umh / subme=8 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=0 / chroma_qp_offset=-2 / threads=18 / lookahead_threads=4 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=6 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=50 / rc=2pass / mbtree=1 / bitrate=3778 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=24000 / vbv_bufsize=24000 / nal_hrd=none / filler=0 / ip_ratio=1.40 / aq=1:1.00
    Language : English
    Encoded date : UTC 2017-05-14 07:12:25
    Tagged date : UTC 2017-05-14 07:12:25
    Codec configuration box : avcC

    Audio
    ID : 2
    Format : AAC Main
    Format/Info : Advanced Audio Codec
    Codec ID : mp4a-40-1
    Duration : 42 min 20 s
    Bit rate mode : Constant
    Bit rate : 384 kb/s
    Channel(s) : 6 channels
    Channel layout : C L R Ls Rs LFE
    Sampling rate : 48.0 kHz
    Frame rate : 46.875 FPS (1024 SPF)
    Compression mode : Lossy
    Stream size : 116 MiB (9%)
    Language : English
    Default : Yes
    Alternate group : 1
    Encoded date : UTC 2017-05-14 07:12:25
    Tagged date : UTC 2017-05-14 07:12:25

    This just dropped back to the Mezzmo logo.

    All other AVC/AAC's play apart from this "AAC Main" file type.

    Steve
    Attached Images Attached Images

  10. #10
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    This file will be streamed without transcoding so it could possibly be due to the 6 audio channels, do you have any other files with 6 audio channels that play? It could also be due to the embedded subtitles.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
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