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2018-06-28T17:47:41Z

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wiki>Mindrones: Dev:Ref/Release Notes/.DPL share/2.42/Sequencer moved to Template:Release Notes/2.42/Sequencer: move to Template:

2009-02-17T23:21:16Z

Dev:Ref/Release Notes/.DPL share/2.42/Sequencer moved to Template:Release Notes/2.42/Sequencer: move to Template:

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See [http://blender.org/cms/Video_Sequence_Editor.759.0.html CMS release notes for 2.42] at blender.org.

==Sequencer==

Adds for additional buttons for the new sequencer code to distinguish
the display of timeline, output, U/V scatter plot and Luma waveform.

Add several usefull sequencer-plugins:
- color-correction-hsv & color-correction-yuv
Do color correction in HSV or YUV-space, rather sophisticated but slow.
You can control setup, gain and gamma and saturation (seperated by
shadows, midtones and highlights).
- gamma
a simple RGB-Gamma plugin, but very fast.
- dnr
Dynamic Noise Reduction (plugin ported from VirtualDub).
This helps mpeg encoding alot, by ignoring noise /movement
below a given threshold between frames.
It is also a lot faster than the original VirtualDub-plugin preserving
it's quality.

Log:
Adds support for frameserver rendering to blender. This is done by
integrating a mini-webserver (around 300 lines of code) into blender.
Using the VFAPI-plugin in contrib/windows it enables blender to
directly feed its output into TMPGEnc, a commercial high quality MPEG-Encoder.
Since it is a mini-webserver, you can probably easily use it for other
interfacing purposes.

Log:
Enables sequencer ipos for effect plugins and audio-tracks
to be locked to frames instead of the range from 0-100.
Comes very handy on long timelines...

Log:
FFMPEG-render support.

Log:
* Adds userdef-types for memcache limitor and frameserver-rendering
* Boosts the blender frame limit by changing the type of the frame number
from short to int everywhere. Without this, timelines longer than a few
minutes are impossible to handle.
* Adds several types for ffmpeg input/output, hdaudio-tracks in sequencer

Log:
* Add memcache limitor-support to imbufs
* Add ffmpeg-read support in anim.c and util.c
* Makes ImBufs refcountable. You can now increase an internal refcounter
in ImBufs (using IMB_refImBuf) which is decreased by freeImBuf.
This makes it possible to simply pass ImBuf pointers around in the
sequencer saving a few memcopies.

Log:
* Adds configuration buttons for ffmpeg-output
* Large sequencer rewrite to support:
- Audio-tracks, which are not completely loaded into memory (hdaudio) but
kept on disk instead.
- A dependency tree, that builds only the Imbufs, that are really needed
- Cleaner sequencer code
- Per instance data in sequencer plugins (without this, the Dynamic
Noise Reduction plugin would be impossible)
- A Luma Waveform display
- A U/V scatter plot display
- Memcache limiting in sequencer
- Buttons changed according to the boosted framecount limit

Base library to support hdaudio-tracks (using ffmpeg only for now).

Log:
- Header changes to support hdaudio, memcache limitor and framecount boost.

Log:
Adds a VFAPI-Plugin for TMPGenc to connect to the blender frameserver.

Log:
Adds ffmpeg-support on Linux-platforms. Since ffmpeg is installed
always statically (you have to force it to build a dynamic library) the
resulting binary is redistributable.

The code is made ffmpeg-version independent using #ifdef's.

==sequencer==
Log:
Restored the free_imbuf_seq_except() in sequencer, to free all memory
of sequencer, except current frame. Apparently the cache limitor doesnt
work for floatbuffers yet... and while rendering, I prefer to have all
memory available for the render itself.

Schlaile; you might check on what is wrong, in case imbufs have have
a rect_float or zbuf_float, the cache doesnt work yet?

==sequencer==
this patch features several cleanups and bugfixes for the sequencer:
- blur works again (this was a serious bug in gamwarp...)
- seperates all sequence effects into a seperate file with a clean interface
- thereby fixing some obscure segfaults
- seperates the scope views into a seperate file
- adds float support to all effects and scope views
- removes a bad level call to open_plugin_seq
- FFMPEG seeking improved a lot.
- FFMPEG compiles with debian sarge version cleanly
- Makes hdaudio seek and resample code really work

==sequencer==
Sequencer now outputs float buffers to render too, when available.

==Sequencer==
This patch is mostly a usability patch for the sequencer, mainly written by
Anders Gudmundson and twisted a little bit by me.

- Lock Time to other windows
- Possibility to switch the X-Axis between frames and seconds-display
- IPO-Frame Locking for plugins (T-Key)
- Additional Popup to add HD-Sound and Movie at once
- In Timeline-Window: Sequencer windows only playback
- Make the IPOs a little bit IPO-Frame-Lock friendlier (doesn't jump;
the frame that is drawn has the right dimension)
- Wheel-Mouse buttons make the sequencer window zoom again.
- The "This is not a sound/movie-file message" now reads "... or
FFMPEG-support not compiled in!" since I learned some prominent
people who complained, that hdaudio does not work for them ;-)
- Make SPACEKEY open up the "Add Strip"-Popup on the timeline and start
playback in the preview window.

==sequencer==

a tiny patch by Luis de Bethencourt Guimera (luisbg) adds RETKEY as completing a transform for consistency

==Sequencer==
- Added early-out optimisation to add-effect (the case, where fac == 0)
- Bugfixes:
* hddaudio: ffmpeg does not seek always to the correct frame,
if the SEEK_BACKWARD flag is used. Now we account for this and
seek a little bit further... (hack, urghs)
* hddaudio: on long timelines, the new seek code didn't work
(forgot a long long cast)
* the audio mixdown code now also calculates meta-strip IPOs

[[Category:Release notes]]
[[Category:Sequencer]]

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