[Bug 696737] videoconvert: non-ideal conversion for interlaced video
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Sat Jan 3 04:35:37 PST 2015
https://bugzilla.gnome.org/show_bug.cgi?id=696737
GStreamer | gst-plugins-base | git
Tim-Philipp Müller <t.i.m> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
CC| |t.i.m at zen.co.uk
--- Comment #6 from Tim-Philipp Müller <t.i.m at zen.co.uk> 2015-01-03 12:35:33 UTC ---
The operative word was 'mostly' :)
However, this may be fixed now after all the videoconvert/scale rework.
Wim, anything left to to here?
----
commit e2a693656b1a8513adab5e8f7698758c583c8eed
Author: Wim Taymans <wtaymans at redhat.com>
Date: Wed Dec 3 10:15:18 2014 +0100
video-converter: fix chroma resampling check
Decide if we need chroma resampling by checking if we have a progressive
or interlaced chroma resampler.
commit b9bee1af8c6721902de15410caa4dc382baaf180
Author: Wim Taymans <wtaymans at redhat.com>
Date: Fri Nov 21 16:06:54 2014 +0100
video-converter: handle mixed interlaced
When dealing with mixed interlaced, setup a scaler and chroma-resampler
for both interlaced and progressive frames and switch between them
depending on the interlace mode of the input frame.
commit f6683b8f145a8f774b642df37e26c979a938d025
Author: Wim Taymans <wtaymans at redhat.com>
Date: Wed Nov 19 12:41:21 2014 +0100
video-info: add a note about subsampled formats
Add a note about gst_video_info_set_format() and interlaced formats.
commit 24989b53fc5ec1f4d95eecdde507e455b19d0a14
Author: Wim Taymans <wtaymans at redhat.com>
Date: Wed Nov 19 12:05:02 2014 +0100
video-info: handle interlaced size correctly
Refactor GstVideoInfo init, make function to set default colorimetry.
Call fill_planes after we configure the GstVideoInfo with parameters
from the caps.
The size of the chroma planes for interlaced vertically subsampled
formats needs to be rounded up to 2, we have 2 fields with each
the same anount of chroma lines.
commit 5c043f3d50436d5c5a38e94ca7f3066a7a9cfdc0
Author: Wim Taymans <wtaymans at redhat.com>
Date: Wed Nov 19 09:40:05 2014 +0100
video-format: handle unpack interlaced subsampled formats
For interlaced vertically subsampled formats the check for even lines
needs to take into account the two fields.
commit 588fdeb8349cf5fbb37e63f403c5559071283c07
Author: Wim Taymans <wtaymans at redhat.com>
Date: Wed Nov 19 09:39:32 2014 +0100
video-scaler: fix interlaced shift
commit ac756ba0d9f947ea24f94ffeef61bbf71c91f82f
Author: Wim Taymans <wtaymans at redhat.com>
Date: Wed Nov 19 09:30:14 2014 +0100
video-converter: keep a small backlog of lines
Allow lines to jump backwards slightly, usefull for interlaced content.
commit b9114347164684137dc0ca11ee12cd099794cadf
Author: Wim Taymans <wtaymans at redhat.com>
Date: Wed Nov 19 09:28:52 2014 +0100
video-chroma: Fix interlaced chroma resampling
Use the interlaced flag to select the right resampler.
commit 7d0cef3bcbb1f2ad913903c44575c6f472a9b48e
Author: Wim Taymans <wtaymans at redhat.com>
Date: Tue Nov 18 16:35:13 2014 +0100
video-scaler: fix interlacing some more
Use the right phase.
Take the right lines from interlaced content.
commit d03bad77618a122305e87049daeba3e4eea7645a
Author: Wim Taymans <wtaymans at redhat.com>
Date: Tue Nov 18 11:06:20 2014 +0100
video-scaler: fix interlaced taps setup
commit 67a4702b194c899e65fbabe11825759057538f74
Author: Wim Taymans <wtaymans at redhat.com>
Date: Tue Nov 4 11:02:49 2014 +0100
video-scaler: fix taps in interlaced mode
commit 562416bb943cee713de57c8c3c4e98cded5e114b
Author: Wim Taymans <wtaymans at redhat.com>
Date: Tue Nov 4 11:01:52 2014 +0100
video-scaler: fix phases in interlaced mode
commit 45462d2ea4a5bbbdec02cd0c4c3a35eb2f0f48c8
Author: Wim Taymans <wtaymans at redhat.com>
Date: Sat Nov 1 12:58:01 2014 +0100
video-scaler: handle 4tap interlaced
commit 199fab4b067d12157cc37fc84ebded71b778239f
Author: Wim Taymans <wtaymans at redhat.com>
Date: Fri Oct 24 15:25:33 2014 +0200
video-scaler: add video scaler helper object
Add a video scaler object build on top of the resampler. It has
implementation to deal with interlaced video as well as horizontal and
vertical scaling functions.
commit 549bdd4ece277289e50b658f3b1833fed26f389f
Author: Wim Taymans <wtaymans at redhat.com>
Date: Fri Oct 24 12:11:43 2014 +0200
video-converter: rework the generic converter function
Use a LineCache object to track and process lines between unpack,
upsample, convert, downsample and pack stages. This simplifies the
main core processing function a lot and allows for future additions
easily.
Add support for interlaced formats in chroma up and downsampling.
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