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<body><span class="vcard"><a class="email" href="mailto:pnormand@igalia.com" title="Philippe Normand <pnormand@igalia.com>"> <span class="fn">Philippe Normand</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - [GStreamer] Videos from Twitter can't be read"
href="https://bugs.webkit.org/show_bug.cgi?id=230096">bug 230096</a>
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<td>pnormand@igalia.com
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GStreamer] Videos from Twitter can't be read"
href="https://bugs.webkit.org/show_bug.cgi?id=230096#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [GStreamer] Videos from Twitter can't be read"
href="https://bugs.webkit.org/show_bug.cgi?id=230096">bug 230096</a>
from <span class="vcard"><a class="email" href="mailto:pnormand@igalia.com" title="Philippe Normand <pnormand@igalia.com>"> <span class="fn">Philippe Normand</span></a>
</span></b>
<pre>The Tangram runtime has gst 1.16.3, which seems to not work very well in WebKit:
0:00:01.939132655 2 0x55d20c2ebde0 WARN hlsdemux gsthlsdemux.c:840:gst_hls_demux_handle_buffer:<hlsdemux0> error: Could not determine type of stream
** (WebKitWebProcess:2): CRITICAL **: 10:35:10.583: gst_hls_demux_change_playlist: assertion 'adaptive_demux->streams != NULL' failed
0:00:01.955429658 2 0x55d20be53750 ERROR webkitmediaplayer MediaPlayerPrivateGStreamer.cpp:1781:handleMessage: Error 4: Could not determine type of stream (url=<a href="https://video.twimg.com/ext_tw_video/1435941461682389000/pu/pl/lzpeFNrCTgtgqvW6.m3u8?tag=12&container=fmp4&descending=true">https://video.twimg.com/ext_tw_video/1435941461682389000/pu/pl/lzpeFNrCTgtgqvW6.m3u8?tag=12&container=fmp4&descending=true</a>)
0:00:01.955471546 2 0x55d20be53750 ERROR webkitmediaplayer MediaPlayerPrivateGStreamer.cpp:1794:handleMessage: Decode error, let the Media element emit a stalled event.
0:00:02.216527955 2 0x55d20c2f1920 WARN codecparsers_mpegvideo gstmpegvideoparser.c:861:gst_mpeg_video_packet_parse_picture_header: Unsupported picture type : 5
0:00:02.216602293 2 0x55d20c2f1920 WARN codecparsers_mpegvideo gstmpegvideoparser.c:861:gst_mpeg_video_packet_parse_picture_header: Unsupported picture type : 0
0:00:02.216623731 2 0x55d20c2f1920 WARN codecparsers_mpegvideo gstmpegvideoparser.c:367:gst_mpeg_video_packet_parse_sequence_header: Failed to parse sequence header
0:00:02.216969560 2 0x55d20c2f1920 WARN codecparsers_mpegvideo gstmpegvideoparser.c:861:gst_mpeg_video_packet_parse_picture_header: Unsupported picture type : 0
Tangram should upgrade to gst 1.18, it's easy to do with flatpak.
The Epiphany.Devel flatpak plays this video fine.</pre>
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