[Webkit-unassigned] [Bug 220012] New: Force Youtube to H264 VA-API

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=220012

            Bug ID: 220012
           Summary: Force Youtube to H264 VA-API
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: turanomario88 at yahoo.com

Fedora 33 x86_64
Intel i5vPro 5300u

Webkit does not force H264 on youtube. The vaapi are inactive.

export GST_DEBUG="vaapi*:5,*:3"
 hellgate  ~  epiphany 
0:00:14.557313881     2 0x563d5bccef50 WARN    webkitregistryscanner GStreamerRegistryScanner.cpp:87:hasElementForMediaType: All elements for caps video/x-av1 are blacklisted
0:00:17.801657083     2 0x563d5bccef50 WARN    webkitregistryscanner GStreamerRegistryScanner.cpp:87:hasElementForMediaType: All elements for caps video/x-av1 are blacklisted
0:00:18.389552564     2 0x563d5c939240 FIXME                default gstutils.c:4025:gst_pad_create_stream_id_internal:<appsrc0:src> Creating random stream-id, consider implementing a deterministic way of creating a stream-id
0:00:18.389883728     2 0x563d5c939120 FIXME                default gstutils.c:4025:gst_pad_create_stream_id_internal:<appsrc1:src> Creating random stream-id, consider implementing a deterministic way of creating a stream-id
0:00:18.391045696     2 0x7f56bc001860 FIXME                default gstutils.c:4025:gst_pad_create_stream_id_internal:<appsrc2:src> Creating random stream-id, consider implementing a deterministic way of creating a stream-id
0:00:18.391634646     2 0x7f56bc001920 FIXME                default gstutils.c:4025:gst_pad_create_stream_id_internal:<appsrc3:src> Creating random stream-id, consider implementing a deterministic way of creating a stream-id
0:00:18.446124031     2 0x7f56bc001860 WARN           matroskademux matroska-demux.c:1110:gst_matroska_demux_parse_stream:<matroskademux1> Unknown TrackVideo subelement 0xec - ignoring
0:00:18.596730446     2 0x7f56bc001920 WARN                glwindow gstglwindow.c:323:gst_gl_window_new: Could not create window. user specified (null), creating dummy window
0:00:18.764208519     2 0x7f56bc001920 WARN                GST_CAPS gstpad.c:5701:pre_eventfunc_check:<vaapidecodebin0:sink> caps video/x-vp9, width=(int)854, height=(int)480, framerate=(fraction)30/1 not accepted
0:00:18.764292080     2 0x7f56bc001920 WARN               decodebin gstdecodebin2.c:2564:connect_pad:<decodebin1> Couldn't set vaapidecodebin0 to PAUSED
0:00:18.836221616     2 0x7f56bc001920 FIXME           videodecoder gstvideodecoder.c:1052:gst_video_decoder_drain_out:<vp9dec0> Sub-class should implement drain()
0:00:18.836337902     2 0x7f56bc001920 FIXME           videodecoder gstvideodecoder.c:1052:gst_video_decoder_drain_out:<vp9dec0> Sub-class should implement drain()
0:00:18.894379631     2 0x563d5c938de0 WARN         audio-resampler audio-resampler.c:274:convert_taps_gint16_c: can't find exact taps
0:00:18.898247096     2 0x563d5c925760 WARN         audio-resampler audio-resampler.c:274:convert_taps_gint16_c: can't find exact taps
0:00:18.900984426     2 0x563d5c925760 WARN         audio-resampler audio-resampler.c:274:convert_taps_gint16_c: can't find exact taps
0:00:18.954512934     2 0x563d5c938cc0 WARN               videometa gstvideometa.c:414:gst_video_meta_validate_alignment: Stride of plane 0 defined in meta (928) is different from the one computed from the alignment (856)
0:00:18.956125474     2 0x563d5c938cc0 WARN               videometa gstvideometa.c:414:gst_video_meta_validate_alignment: Stride of plane 0 defined in meta (928) is different from the one computed from the alignment (856)
0:00:22.582394775     2 0x563d5c938cc0 WARN               videometa gstvideometa.c:414:gst_video_meta_validate_alignment: Stride of plane 0 defined in meta (928) is different from the one computed from the alignment (856)
0:00:22.612887639     2 0x563d5c938cc0 WARN               videometa gstvideometa.c:414:gst_video_meta_validate_alignment: Stride of plane 0 defined in meta (928) is different from the one computed from the alignment (856)
0:00:22.646505536     2 0x563d5c938cc0 WARN               videometa gstvideometa.c:414:gst_video_meta_validate_alignment: Stride of plane 0 defined in meta (928) is different from the one computed from the alignment (856)
0:00:22.679797503     2 0x563d5c938cc0 WARN               videometa gstvideometa.c:414:gst_video_meta_validate_alignment: Stride of plane 0 defined in meta (928) is different from the one computed from the alignment (856)
0:00:22.712612304     2 0x563d5c938cc0 WARN               videometa gstvideometa.c:414:gst_video_meta_validate_alignment: Stride of plane 0 defined in meta (928) is different from the one computed from the alignment (856)
0:00:22.748589365     2 0x563d5c938cc0 WARN               videometa gstvideometa.c:414:gst_video_meta_validate_alignment: Stride of plane 0 defined in meta (928) is different from the one computed from the alignment (856)
>

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