NEW329277
[GStreamer] Use Content-Range to get the resource size when Content-Length is missing 
https://bugs.webkit.org/show_bug.cgi?id=329277
Summary [GStreamer] Use Content-Range to get the resource size when Content-Length is...
Enrique Ocaña
Reported 2026-10-28 10:42:39 PDT
A server can answer a progressive media request with 206 Partial Content and a Content-Range header but without Content-Length, for example when the body is sent with chunked transfer encoding. The total size is then only available as the instance length in Content-Range, for example "bytes 0-25059330/25059331". WebKitWebSource took the size only from Content-Length, so such a resource was reported as having no size and not being seekable. MediaPlayerPrivateGStreamer found no Content-Length in the response headers either and set m_isLiveStream. maxTimeSeekable() then returned zero, seekable() was empty and HTMLMediaElement ignored every seek. When Content-Length is missing, take the total size from a valid Content-Range in both places. This fixes the HbbTV test org.hbbtv_HTML52090, where a seek to an unbuffered position in a progressive MP4 must issue a Range request. See: https://github.com/WebPlatformForEmbedded/WPEWebKit/pull/1737
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Enrique Ocaña
Comment 1 2026-10-28 10:43:37 PDT
Pull request: https://github.com/WebKit/WebKit/pull/78668
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