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videoparsers: h264: Disable passthorugh mode enabling

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Enabling passthorugh mode is causing multiple issue:
For nal aligned multiresoluton streams, passthrough mode
make h264parse unable to advertise the new resoultions.
Also causing issues while parsing MVC streams which have two
separate layers (base-view and non-base-view).

This fix is only a temporary workaround.

For MVC, proper fixes needed in many places:
(handle prefix nal unit, handle non-base-view slice nal extension,
fix the picture_start detection for multi-layer-mvc streams etc)

https://bugzilla.gnome.org/show_bug.cgi?id=758656
This commit is contained in:
Sreerenj Balachandran 2016-02-29 12:35:58 +02:00
parent 019bc67837
commit cf7056a312
1 changed files with 7 additions and 0 deletions
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7
gst/videoparsers/gsth264parse.c
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@ -2368,6 +2368,12 @@ gst_h264_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
}
}
/* Fixme: setting passthrough mode casuing multiple issues:
* For nal aligned multiresoluton streams, passthrough mode make h264parse
* unable to advertise the new resoultions. Also causing issues while
* parsing MVC streams when it has two layers.
* Disabing passthourgh mode for now */
#if 0
/* If SPS/PPS and a keyframe have been parsed, and we're not converting,
* we might switch to passthrough mode now on the basis that we've seen
* the SEI packets and know optional caps params (such as multiview).
@ -2379,6 +2385,7 @@ gst_h264_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
gst_base_parse_set_passthrough (parse, TRUE);
}
}
#endif
gst_h264_parse_reset_frame (h264parse);