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[Known Issue] Amlogic - SD TV channels show only green screen #5262

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@Karl-opec

Description

@Karl-opec

Describe the bug

I'm running Chewitt's libreelec Branch amlogic on lepotato device.
with the vnsi pvr addon.
My issue that it shows for SD TV channels only a green screen, audio is working. all other
TV resolutions in HD either 720p or 1024i are working well with hardware accel.

software decoding shows SD channels well.

To Reproduce

Steps to reproduce the behavior:
switch to a SD TV channel

Informations

  • LE 10.0 -git chewitt amlogic branch e6511cc4
  • Hardware Platform: lepotato, odroid-c2, odroid-n2

Log file

v4l2-ctl --list-formats-out shows:
ioctl: VIDIOC_ENUM_FMT
Type: Video Output Multiplanar

    [0]: 'VP90' (VP9, compressed, dyn-resolution)
    [1]: 'H264' (H.264, compressed, dyn-resolution)
    [2]: 'MPG1' (MPEG-1 ES, compressed)
    [3]: 'MPG2' (MPEG-2 ES, compressed)

Additional context

2021-03-20 16:33:05.287 T:877      INFO <general>: VideoPlayer::OpenFile: pvr://channels/tv/Alle%20Kan%c3%a4le/pvr.vdr.vnsi_1763192291.pvr
2021-03-20 16:33:05.287 T:1719     INFO <general>: Creating InputStream
2021-03-20 16:33:05.291 T:1719     INFO <general>: AddOnLog: pvr.vdr.vnsi: Logged in at '1616254385+3600' to 'VDR-Network-Streaming-Interface (VNSI) Server' Version: '1.8.0' with protocol version '13'
2021-03-20 16:33:05.533 T:1719     INFO <general>: Skipped 1 duplicate messages..
2021-03-20 16:33:05.533 T:1719     INFO <general>: Creating Demuxer
2021-03-20 16:33:06.525 T:1719     INFO <general>: Opening stream: 168 source: 256
2021-03-20 16:33:06.525 T:1719     INFO <general>: [WHITELIST] Searching the whitelist for: width: 720, height: 576, fps: 25.000, 3D: false
2021-03-20 16:33:06.526 T:1719     INFO <general>: Display resolution ADJUST : 1920x1080 @ 50.000000 Hz (21) (weight: 0.000)
2021-03-20 16:33:06.563 T:1719  WARNING <general>: OpenStream - Unsupported stream 168. Stream disabled.
2021-03-20 16:33:06.563 T:1719     INFO <general>: Opening stream: 137 source: 256
2021-03-20 16:33:06.563 T:1719     INFO <general>: Finding audio codec for: 86016
2021-03-20 16:33:06.563 T:1719     INFO <general>: CDVDAudioCodecFFmpeg::Open() Successful opened audio decoder mp2
2021-03-20 16:33:06.563 T:1719     INFO <general>: Creating audio thread
2021-03-20 16:33:06.564 T:1720     INFO <general>: running thread: CVideoPlayerAudio::Process()
2021-03-20 16:33:06.564 T:1719     INFO <general>: Opening stream: 70 source: 256
2021-03-20 16:33:06.564 T:1719     INFO <general>: waiting for teletext data thread to exit
2021-03-20 16:33:06.566 T:1719     INFO <general>: Creating teletext data thread
2021-03-20 16:33:06.566 T:1721     INFO <general>: running thread: CDVDTeletextData
2021-03-20 16:33:07.103 T:1719     INFO <general>: Opening stream: 168 source: 256
2021-03-20 16:33:07.103 T:1719     INFO <general>: [WHITELIST] Searching the whitelist for: width: 720, height: 576, fps: 25.000, 3D: false
2021-03-20 16:33:07.104 T:1719     INFO <general>: Display resolution ADJUST : 1920x1080 @ 50.000000 Hz (21) (weight: 0.000)
2021-03-20 16:33:07.107 T:1719     INFO <general>: Creating video codec with codec id: 2
2021-03-20 16:33:07.107 T:1719     INFO <general>: CDVDVideoCodecDRMPRIME::Open - using decoder V4L2 mem2mem MPEG2 decoder wrapper
2021-03-20 16:33:07.118 T:1719     INFO <general>: Creating video thread
2021-03-20 16:33:07.118 T:1722     INFO <general>: running thread: video_thread
2021-03-20 16:33:07.119 T:1719     INFO <general>: Opening stream: 137 source: 256
2021-03-20 16:33:07.119 T:1719     INFO <general>: Opening stream: 70 source: 256
2021-03-20 16:33:07.130 T:1720     INFO <general>: Creating audio stream (codec id: 86016, channels: 2, sample rate: 48000, no pass-through)
2021-03-20 16:33:07.139 T:888      INFO <general>: CActiveAESink::OpenSink - initialize sink
2021-03-20 16:33:07.340 T:888      INFO <general>: CAESinkALSA::Initialize - Attempting to open device "@:CARD=LIBRETECHCC,DEV=0"
2021-03-20 16:33:07.349 T:888      INFO <general>: CAESinkALSA::Initialize - Opened device "sysdefault:CARD=LIBRETECHCC"
2021-03-20 16:33:07.350 T:888      INFO <general>: CAESinkALSA::InitializeHW - Your hardware does not support AE_FMT_FLOAT, trying other formats
2021-03-20 16:33:07.350 T:888      INFO <general>: CAESinkALSA::InitializeHW - Using data format AE_FMT_S24NE4
2021-03-20 16:33:07.476 T:877      INFO <general>: [WHITELIST] Searching the whitelist for: width: 720, height: 576, fps: 25.000, 3D: false
2021-03-20 16:33:07.477 T:877      INFO <general>: Display resolution ADJUST : 1920x1080 @ 50.000000 Hz (21) (weight: -1683950080.000)


How can a working hardware accel with MPEG2 decoding be used?

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