it works now.

Many thanks for your support.

If that doesn't work, try disabling graphics acceleration.

it's an Nvidia GeForce RTX4060 (Laptop)

Angle Flag ; Didn't find this parameter

CRASH-770

{
  "properties": {
    "render_id": 58,
    "player_id": 1,
    "created": "2024-09-11 14:48:19.663986 UTC",
    "origin_url": "https://www.ultimedia.com/",
    "kFrameUrl": "https://www.ultimedia.com/deliver/generic/iframe/mdtk/01032022/zone/2/autoplay/2/showtitle/0/src/xl3uxur/tagparam/CxSegments%3Dundefined%26cxprnd%3Dundefined%26cxid%3Dundefined%26cxsiteid%3Dundefined%26video_section%3Dlalibre.be%2Cinternational%2Camerique%2Celections-us%26digitype%3Dsimpleplayer%26visiblePlayerEnabled%3Dfalse%26ppid%3Da0050e85e2822bcb16c3fcced97b323452ed357bbe7dd0d242fc8564d2708480",
    "kFrameTitle": "Elections américaines : Retour sur le débat Kamala Harris-DonaldTrump",
    "url": "blob:https://www.ultimedia.com/91515578-3793-4b60-89a5-f20b73882560",
    "info": "Effective playback rate changed from 0 to 1",
    "kRendererName": "RendererImpl",
    "pipeline_state": "kStopped",
    "kVideoTracks": [
      {
        "alpha mode": "is_opaque",
        "codec": "h264",
        "coded size": "854x480",
        "color space": {
          "matrix": "BT709",
          "primaries": "BT709",
          "range": "LIMITED",
          "transfer": "BT709"
        },
        "encryption scheme": "Unencrypted",
        "has extra data": false,
        "hdr metadata": "unset",
        "natural size": "854x480",
        "orientation": "0°",
        "profile": "h264 main",
        "visible rect": "0,0 854x480"
      }
    ],
    "kAudioTracks": [
      {
        "bytes per channel": 2,
        "bytes per frame": 4,
        "channel layout": "STEREO",
        "channels": 2,
        "codec": "aac",
        "codec delay": 0,
        "discard decoder delay": false,
        "encryption scheme": "Unencrypted",
        "has extra data": false,
        "profile": "unknown",
        "sample format": "Signed 16-bit",
        "samples per second": 44100,
        "seek preroll": "0us"
      }
    ],
    "kIsAudioDecryptingDemuxerStream": false,
    "kAudioDecoderName": "WMFAudioDecoder",
    "kIsPlatformAudioDecoder": true,
    "debug": "Video rendering in low delay mode.",
    "kIsVideoDecryptingDemuxerStream": false,
    "kVideoDecoderName": "D3D11VideoDecoder",
    "kIsPlatformVideoDecoder": true,
    "dimensions": "854x480",
    "kResolution": "854x480",
    "event": "kPause",
    "duration": 237.04,
    "pipeline_buffering_state": {
      "for_suspended_start": false,
      "reason": "DECODER_UNDERFLOW",
      "state": "BUFFERING_HAVE_NOTHING"
    },
    "audio_buffering_state": {
      "reason": "DECODER_UNDERFLOW",
      "state": "BUFFERING_HAVE_NOTHING"
    },
    "error": {
      "code": 24,
      "data": {},
      "group": "PipelineStatus",
      "message": "",
      "stack": [
        {
          "file": "media\\renderers\\audio_renderer_impl.cc",
          "line": 899
        }
      ]
    }
  },
  "events": [
    {
      "time": 0,
      "key": "created",
      "value": "2024-09-11 14:48:19.663986 UTC"
    },
    {
      "time": 0.4020000100135803,
      "key": "origin_url",
      "value": "https://www.ultimedia.com/"
    },
    {
      "time": 0.4259999990463257,
      "key": "kFrameUrl",
      "value": "https://www.ultimedia.com/deliver/generic/iframe/mdtk/01032022/zone/2/autoplay/2/showtitle/0/src/xl3uxur/tagparam/CxSegments%3Dundefined%26cxprnd%3Dundefined%26cxid%3Dundefined%26cxsiteid%3Dundefined%26video_section%3Dlalibre.be%2Cinternational%2Camerique%2Celections-us%26digitype%3Dsimpleplayer%26visiblePlayerEnabled%3Dfalse%26ppid%3Da0050e85e2822bcb16c3fcced97b323452ed357bbe7dd0d242fc8564d2708480"
    },
    {
      "time": 0.4300000071525574,
      "key": "kFrameTitle",
      "value": "Elections américaines : Retour sur le débat Kamala Harris-DonaldTrump"
    },
    {
      "time": 0.5400000214576721,
      "key": "url",
      "value": "blob:https://www.ultimedia.com/91515578-3793-4b60-89a5-f20b73882560"
    },
    {
      "time": 0.6079999804496765,
      "key": "info",
      "value": "ChunkDemuxer"
    },
    {
      "time": 0.628000020980835,
      "key": "kRendererName",
      "value": "RendererImpl"
    },
    {
      "time": 4.611999988555908,
      "key": "pipeline_state",
      "value": "kStarting"
    },
    {
      "time": 113.25400000810623,
      "key": "kVideoTracks",
      "value": [
        {
          "alpha mode": "is_opaque",
          "codec": "h264",
          "coded size": "854x480",
          "color space": {
            "matrix": "BT709",
            "primaries": "BT709",
            "range": "LIMITED",
            "transfer": "BT709"
          },
          "encryption scheme": "Unencrypted",
          "has extra data": false,
          "hdr metadata": "unset",
          "natural size": "854x480",
          "orientation": "0°",
          "profile": "h264 main",
          "visible rect": "0,0 854x480"
        }
      ]
    },
    {
      "time": 114.42599999904633,
      "key": "kAudioTracks",
      "value": [
        {
          "bytes per channel": 2,
          "bytes per frame": 4,
          "channel layout": "STEREO",
          "channels": 2,
          "codec": "aac",
          "codec delay": 0,
          "discard decoder delay": false,
          "encryption scheme": "Unencrypted",
          "has extra data": false,
          "profile": "unknown",
          "sample format": "Signed 16-bit",
          "samples per second": 44100,
          "seek preroll": "0us"
        }
      ]
    },
    {
      "time": 116.30300003290176,
      "key": "info",
      "value": "Dropping audio frame (DTS -23243us PTS -23243us,-24us) that is outside append window [0us,9223372036854775807us)."
    },
    {
      "time": 116.31099998950958,
      "key": "info",
      "value": "Truncating audio buffer which overlaps append window start. PTS -23us frame_end_timestamp 23196us append_window_start 0us"
    },
    {
      "time": 446.55699998140335,
      "key": "info",
      "value": "Cannot select FFmpegAudioDecoder for audio decoding"
    },
    {
      "time": 449.3949999809265,
      "key": "kIsAudioDecryptingDemuxerStream",
      "value": false
    },
    {
      "time": 449.4010000228882,
      "key": "kAudioDecoderName",
      "value": "WMFAudioDecoder"
    },
    {
      "time": 449.402999997139,
      "key": "kIsPlatformAudioDecoder",
      "value": true
    },
    {
      "time": 449.5390000343323,
      "key": "info",
      "value": "Selected WMFAudioDecoder for audio decoding, config: codec: aac, profile: unknown, bytes_per_channel: 2, channel_layout: STEREO, channels: 2, samples_per_second: 44100, input_samples_per_second: 44100, sample_format: Signed 16-bit, bytes_per_frame: 4, seek_preroll: 0us, codec_delay: 0, has extra data: false, encryption scheme: Unencrypted, discard decoder delay: false, target_output_channel_layout: STEREO, target_output_sample_format: Unknown sample format, has aac extra data: true"
    },
    {
      "time": 449.6399999856949,
      "key": "debug",
      "value": "Video rendering in low delay mode."
    },
    {
      "time": 449.69999998807907,
      "key": "info",
      "value": "Cannot select DecryptingVideoDecoder for video decoding"
    },
    {
      "time": 453.3080000281334,
      "key": "info",
      "value": "D3D11VideoDecoder is using h264 main / 4:2:0"
    },
    {
      "time": 453.3730000257492,
      "key": "info",
      "value": "D3D11VideoDecoder producing NV12"
    },
    {
      "time": 453.38200002908707,
      "key": "info",
      "value": "D3D11VideoDecoder: Selected NV12"
    },
    {
      "time": 453.38499999046326,
      "key": "info",
      "value": "D3D11VideoDecoder output color space: (same as input)"
    },
    {
      "time": 453.3870000243187,
      "key": "info",
      "value": "D3D11VideoDecoder is binding textures"
    },
    {
      "time": 453.4359999895096,
      "key": "info",
      "value": "D3D11VideoDecoder is using D3D11 backend"
    },
    {
      "time": 454.71100002527237,
      "key": "info",
      "value": "D3D11VideoDecoder is using array texture"
    },
    {
      "time": 454.75900000333786,
      "key": "info",
      "value": "Selected D3D11VideoDecoder adapter LUID:{0, 71959}"
    },
    {
      "time": 454.77200001478195,
      "key": "info",
      "value": "Video is supported by D3D11VideoDecoder"
    },
    {
      "time": 454.92800003290176,
      "key": "kIsVideoDecryptingDemuxerStream",
      "value": false
    },
    {
      "time": 454.93099999427795,
      "key": "kVideoDecoderName",
      "value": "D3D11VideoDecoder"
    },
    {
      "time": 454.93199998140335,
      "key": "kIsPlatformVideoDecoder",
      "value": true
    },
    {
      "time": 454.95700001716614,
      "key": "info",
      "value": "Selected D3D11VideoDecoder for video decoding, config: codec: h264, profile: h264 main, level: not available, alpha_mode: is_opaque, coded size: [854,480], visible rect: [0,0,854,480], natural size: [854,480], has extra data: false, encryption scheme: Unencrypted, rotation: 0°, flipped: 0, color space: {primaries:BT709, transfer:BT709, matrix:BT709, range:LIMITED}"
    },
    {
      "time": 455.0120000243187,
      "key": "pipeline_state",
      "value": "kPlaying"
    },
    {
      "time": 455.9520000219345,
      "key": "info",
      "value": "D3D11VideoDecoder config change: profile: h264 main, chroma_sampling_format: 4:2:0, coded_size: 864x480, bit_depth: 8, color_space: {primary=1, transfer=1, matrix=1, range=1}"
    },
    {
      "time": 455.96299999952316,
      "key": "info",
      "value": "D3D11VideoDecoder is using h264 main / 4:2:0"
    },
    {
      "time": 455.99099999666214,
      "key": "info",
      "value": "D3D11VideoDecoder producing NV12"
    },
    {
      "time": 455.994000017643,
      "key": "info",
      "value": "D3D11VideoDecoder: Selected NV12"
    },
    {
      "time": 455.9970000386238,
      "key": "info",
      "value": "D3D11VideoDecoder output color space: (same as input)"
    },
    {
      "time": 456,
      "key": "info",
      "value": "D3D11VideoDecoder is binding textures"
    },
    {
      "time": 456.00400000810623,
      "key": "info",
      "value": "D3D11VideoDecoder is using D3D11 backend"
    },
    {
      "time": 456.8579999804497,
      "key": "info",
      "value": "D3D11VideoDecoder is using array texture"
    },
    {
      "time": 478.39700001478195,
      "key": "dimensions",
      "value": "854x480"
    },
    {
      "time": 478.4050000309944,
      "key": "kResolution",
      "value": "854x480"
    },
    {
      "time": 496.0469999909401,
      "key": "info",
      "value": "Effective playback rate changed from 0 to 1"
    },
    {
      "time": 496.16699999570847,
      "key": "event",
      "value": "kPlay"
    },
    {
      "time": 36.84900003671646,
      "key": "duration",
      "value": 237.04
    },
    {
      "time": 486.1759999990463,
      "key": "pipeline_buffering_state",
      "value": {
        "for_suspended_start": false,
        "state": "BUFFERING_HAVE_ENOUGH"
      }
    },
    {
      "time": 2444.157000005245,
      "key": "audio_buffering_state",
      "value": {
        "reason": "DECODER_UNDERFLOW",
        "state": "BUFFERING_HAVE_NOTHING"
      }
    },
    {
      "time": 2444.388000011444,
      "key": "pipeline_buffering_state",
      "value": {
        "for_suspended_start": false,
        "reason": "DECODER_UNDERFLOW",
        "state": "BUFFERING_HAVE_NOTHING"
      }
    },
    {
      "time": 3751.78100001812,
      "key": "error",
      "value": {
        "code": 5,
        "data": {},
        "group": "DecoderStatus",
        "message": "",
        "stack": [
          {
            "file": "media\\mojo\\clients\\mojo_audio_decoder.cc",
            "line": 209
          }
        ]
      }
    },
    {
      "time": 3751.832000017166,
      "key": "error",
      "value": "audio decode error!"
    },
    {
      "time": 3751.850000023842,
      "key": "error",
      "value": "audio error during playing, status: PIPELINE_ERROR_DISCONNECTED"
    },
    {
      "time": 3752.0049999952316,
      "key": "error",
      "value": {
        "code": 5,
        "data": {},
        "group": "DecoderStatus",
        "message": "",
        "stack": [
          {
            "file": "media\\mojo\\clients\\mojo_video_decoder.cc",
            "line": 487
          }
        ]
      }
    },
    {
      "time": 3752.014999985695,
      "key": "error",
      "value": "video decode error!"
    },
    {
      "time": 4549.588999986649,
      "key": "error",
      "value": {
        "code": 24,
        "data": {},
        "group": "PipelineStatus",
        "message": "",
        "stack": [
          {
            "file": "media\\renderers\\audio_renderer_impl.cc",
            "line": 899
          }
        ]
      }
    },
    {
      "time": 4549.761000037193,
      "key": "pipeline_state",
      "value": "kStopping"
    },
    {
      "time": 4550.289000034332,
      "key": "pipeline_state",
      "value": "kStopped"
    },
    {
      "time": 4550.997000038624,
      "key": "event",
      "value": "kPause"
    }
  ]
}

H.264 ; Yes
WebM with VP8 support ; Yes
WebM with VP9 support ; Yes

Test 1 ;

render_id: 606
player_id: 0
created: 2024-09-11 14:31:42.530647 UTC
origin_url: https://www.7sur7.be/
kFrameUrl: https://www.7sur7.be/video/production/une-mere-et-sa-fille-echappent-miraculeusement-a-un-accident-tragique-722763
kFrameTitle: Une mère et sa fille échappent miraculeusement à la mort
url: blob:https://www.7sur7.be/78492f7a-43e8-4a58-b967-274c0c99ff11
kTotalBytes: 0x5d5
kIsStreaming: false
kIsSingleOrigin: true
kIsRangeHeaderSupported: true
kRendererName: RendererImpl
pipeline_state: kStopped
info: Selected WMFAudioDecoder for audio decoding, config: codec: aac, profile: unknown, bytes_per_channel: 4, channel_layout: STEREO, channels: 2, samples_per_second: 44100, input_samples_per_second: 44100, sample_format: Float 32-bit, bytes_per_frame: 8, seek_preroll: 0us, codec_delay: 0, has extra data: true, encryption scheme: Unencrypted, discard decoder delay: true, target_output_channel_layout: STEREO, target_output_sample_format: Unknown sample format, has aac extra data: true
kAudioTracks: [object Object]
kVideoTracks:
kMaxDuration: 0.04644
kStartTime: 0
kBitrate: 257192
event: kWebMediaPlayerDestroyed
kIsAudioDecryptingDemuxerStream: false
kAudioDecoderName: WMFAudioDecoder
kIsPlatformAudioDecoder: true
debug: FFmpegDemuxer: av_read_frame(): End of file
duration: 0.04644
pipeline_buffering_state: [object Object]

Test 2 ;
render_id: 463
player_id: 2
created: 2024-09-11 14:33:04.420200 UTC
origin_url: https://www.ultimedia.com/
kFrameUrl: https://www.ultimedia.com/deliver/generic/iframe/mdtk/01032022/zone/2/autoplay/2/showtitle/0/src/xl3lzkz/tagparam/CxSegments%3Dundefined%26cxprnd%3Dundefined%26cxid%3Dundefined%26cxsiteid%3Dundefined%26video_section%3Dlalibre.be%2Cinternational%2Camerique%2Celections-us%26digitype%3Dsimpleplayer%26visiblePlayerEnabled%3Dfalse%26ppid%3Da0050e85e2822bcb16c3fcced97b323452ed357bbe7dd0d242fc8564d2708480
kFrameTitle: Harris 's'en est très bien sortie', Trump 'pas son meilleur' débat (analyste)
url: blob:https://www.ultimedia.com/235e79e8-04d3-44eb-96d2-eeb492cbb705
info: Effective playback rate changed from 0 to 1
kRendererName: RendererImpl
pipeline_state: kStopped
kVideoTracks: [object Object]
kAudioTracks: [object Object]
kIsAudioDecryptingDemuxerStream: false
kAudioDecoderName: WMFAudioDecoder
kIsPlatformAudioDecoder: true
debug: Video rendering in low delay mode.
kIsVideoDecryptingDemuxerStream: false
kVideoDecoderName: D3D11VideoDecoder
kIsPlatformVideoDecoder: true
dimensions: 854x480
kResolution: 854x480
event: kPause
duration: 115.12
pipeline_buffering_state: [object Object]
audio_buffering_state: [object Object]
error: [object Object]

After trying to the play the video, you can open up a new tab, goto the URL opera://media-internals, expand the section for the install of the video you tried to play and look through the log to see if it gives more info on the error.