[Bug 785120] New: playbin3: Supporting subtitle only input is unstable
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Wed Jul 19 11:36:51 UTC 2017
https://bugzilla.gnome.org/show_bug.cgi?id=785120
Bug ID: 785120
Summary: playbin3: Supporting subtitle only input is unstable
Classification: Platform
Product: GStreamer
Version: git master
OS: Linux
Status: NEW
Severity: normal
Priority: Normal
Component: gst-plugins-base
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: sh.yang at lge.com
QA Contact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
DASH + subtitle playback using playbin3 has multiple issues.
- Too early unblocking of decodebin3 srcpad depending on collection arrival
time.
==> Assume the mpd has A/V/T streams. If the collection of video arrives before
Text, is ok. But if Text came first and then Audio does (not yet video),
playbin3 unblock and link them without video. Current playsink doesn't support
text only sink.
- Unexpected DecodebinInputStream removal.
==> Before configuration of A/V input, Text input can be configured with EOS.
Then, when A/V is configured, it removes the Text's streams. We shouldn't
remove other parsebin's input.
- Premature GstStream object is exposed.
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