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Official Documentation:
http://www.blender.org/manual/render/workflows/multiview.html
Implemented Features
====================
Builtin Stereo Camera
* Convergence Mode
* Interocular Distance
* Convergence Distance
* Pivot Mode
Viewport
* Cameras
* Plane
* Volume
Compositor
* View Switch Node
* Image Node Multi-View OpenEXR support
Sequencer
* Image/Movie Strips 'Use Multiview'
UV/Image Editor
* Option to see Multi-View images in Stereo-3D or its individual images
* Save/Open Multi-View (OpenEXR, Stereo3D, individual views) images
I/O
* Save/Open Multi-View (OpenEXR, Stereo3D, individual views) images
Scene Render Views
* Ability to have an arbitrary number of views in the scene
Missing Bits
============
First rule of Multi-View bug report: If something is not working as it should *when Views is off* this is a severe bug, do mention this in the report.
Second rule is, if something works *when Views is off* but doesn't (or crashes) when *Views is on*, this is a important bug. Do mention this in the report.
Everything else is likely small todos, and may wait until we are sure none of the above is happening.
Apart from that there are those known issues:
* Compositor Image Node poorly working for Multi-View OpenEXR
(this was working prefectly before the 'Use Multi-View' functionality)
* Selecting camera from Multi-View when looking from camera is problematic
* Animation Playback (ctrl+F11) doesn't support stereo formats
* Wrong filepath when trying to play back animated scene
* Viewport Rendering doesn't support Multi-View
* Overscan Rendering
* Fullscreen display modes need to warn the user
* Object copy should be aware of views suffix
Acknowledgments
===============
* Francesco Siddi for the help with the original feature specs and design
* Brecht Van Lommel for the original review of the code and design early on
* Blender Foundation for the Development Fund to support the project wrap up
Final patch reviewers:
* Antony Riakiotakis (psy-fi)
* Campbell Barton (ideasman42)
* Julian Eisel (Severin)
* Sergey Sharybin (nazgul)
* Thomas Dinged (dingto)
Code contributors of the original branch in github:
* Alexey Akishin
* Gabriel Caraballo
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range and extra frames.
Issue here is that the movie backend would unconditionally use the start
frame of the scene instead of the preview frame. Solved by passing an
explicit "preview" argument.
Strictly speaking, the preview argument is part of the renderdata
struct, that is also passed to the code, but when rendering the final
result we want to unconditionally render the full range regardless of
the preview setting of the render structure.
However, OpenGL rendering does use the preview range so we need to
account for that when making those exports.
This is also a nice chance to correct the filenames, which still used
the full range.
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Makes usage of those funcs much more clear, we even had mixed '!strcmp(foo, bar)'
and 'strcmp(foo, bar) == 0' in several places...
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More like a feature request but was simple to support.
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Goodbye VC2008, it has been a pleasure (more or less) :D SCons / CMake cleaenup will follow.
Differential Revision: https://developer.blender.org/D715
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fails
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deprecated settings
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Issue was caused by the change in FFmpeg options: some of them were
renamed, some moved to another class.
Made some tweaks to how options are passed to the FFmpeg which now
seems to be the same as ffmpeg.c.
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Issue was caused by missing GLOBALHEADER flag set for audio stream.
Also made it so frame is getting filled with default, that's what
happening in ffmpeg.c.
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avcodec_encode_video() has been replaced with avcodec_encode_video2()
in new libavcodec versions.
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CODEC_ID_* have been replaced with AV_CODEC_ID_* in new libavcodec
versions.
Update the code to use those new identifiers.
Added a compatibility code to ffmpeg_compat.h
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Issue was caused by wrong PTS calculation. This commit
makes this calculation closer to what's happening in
FFmpeg itself.
Seems everything is working now including newer FFmpeg,
but there's one thing which still doesn't work: writing
avi files with h264 codec and Vorbis audio doesn't play
correct in mplayer here. But didn't manage to get this
working even using FFmpeg CLI, so this might be just a
bug in FFmpeg/mplayer. Since this file works fine in
blender just fine wouldn't consider this is crucial thing
to look into at this moment.
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* Removed audio-only options from ffmpeg render settings (added some versionning code too)!
* Moved the Mixdon button from the Scene->Audio pannel to the Render->Render panel.
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CHANGE: writing an animation in the ogg movie format now defaults to .ogv (ogg/video) which is recommended by Xiph.org for video
CHANGE: for .ogg files a check is added whether Blender can read it as a movie (is avi or ffmpeg movie), otherwise assume audio
CHANGE: the anim player now filters for the same extensions as the file browser
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MEM_freeN().
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indent.
also indent case's within the switch (we already did both of these almost everywhere)
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builds.
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After planar codecs support minimal FFmpeg was
bumped to 0.10 which was not so much nice because
it was only released only later last year.
Didn't find a way to make compatibility code local
in ffmpeg_compat, so there're some ifdefs in
audaspace and writeffmpeg.
Not entirely happy, but having a bit of ifdefs in
code better than lots of real PITA for platform
maintainers.
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after recent changes.
New ffmpeg versions accept align = 0 as a parameter and will set it to 1
automatically, but older ones need to pass align = 1.
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also replace sprintf with strcpy when no formatting is done.
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not supported" with ogg vorbis
Patch by Jehan Pages (pardon for mis-typing, emacs-nox works not so good with
urf-8 buffers here), with some own modifications. Thanks!
From the patch tracker:
The problem is because of several versions of ffmpeg, but even more because of
the fork situation libav/ffmpeg. So there are some installed versions out there
where you *must* use a float sample for some codec; whereas oppositely on some
other installations, you *must* use the int sample. So for some people, one
works not the other, and reciprocally.
As a consequence, you can't just have a switch codec-based, like in current
code, which decides on the float or int implementation, you must necessarily
have a runtime test because you won't know until then if ogg vorbis will use
one or another sample (note: that's true also for AC3 as I fixed the exact same
bug in DVDStyler for AC3 encoding a few months ago; and I guess it would be same
for AAC).
Some notes from self:
- New FFmpeg requires using FLTP for AAC, AC3 and Vorbis, it's not supported
by audaspace and result in this case would be just wrong. Throw an error
in cases FLTP is trying to be used.
- Moved strict_std_compliance a bit upper. When we'll support FLTP both
FLT and FLTP for AAC would need to be using FF_COMPLIANCE_EXPERIMENTAL.
- It is nice to have such check of supported by codec formats anyway.
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By Gottfried Hofmann, thanks!
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Dudes, please try building blender with all default features
before doing such a commits. It helps just a lot when bisecting
issues later.
Also solved const qualifier discard happens in recent monofont
commit.
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Patch makes it possible to compile blender with recent ffmpeg
and libav libraries, mainly by getting rid of deprecated API.
Original patch by Campbell Barton with own modifications to
support compilation with older ffmpeg versions.
This patch could break compatibility of FFV1 videos playing
back in older players, mainly because of alpha support changes.
Preserving compatibility with such players became a headache
and think it's high time to get rid of workarounds here.
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Issue was caused by rc_initial_buffer_occupancy being set for context
Commented this option for now -- it's not used in ffmpeg.c.
Now encoding seems to be working nice for MPEG4 and other codecs as well.
However, if there're some gurus around please check :)
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Patch by David M (erwin94), thanks!
Also made Vorbis codec using float sample_fmt, otherwise it didn't work
with new FFmpeg.
Perhaps we can make it more clear by explicitly separating audio_input_buffer
for float and integer buffers, but as far as it works i'm not so fussed about
this atm.
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Also fixed crash using --debug-ffmpeg caused by BLI_vsnprintf modifies
va_list -- need to create copy of list if this list is gonna to be reused.
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without audaspace.
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BKE_report()<->BKE_reportf() fixes.
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