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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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This fixes a memory leak caused by the last packet on stream EOF not freed.
(Memory leak occurs on ffmpeg heap managed by av_malloc / av_free, so it is
invisible to Blender)
Also: clean up the code a little bit (anim->next_packet was never really used,
so could be moved into a local variable)
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without audaspace.
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Replace old color pipeline which was supporting linear/sRGB color spaces
only with OpenColorIO-based pipeline.
This introduces two configurable color spaces:
- Input color space for images and movie clips. This space is used to convert
images/movies from color space in which file is saved to Blender's linear
space (for float images, byte images are not internally converted, only input
space is stored for such images and used later).
This setting could be found in image/clip data block settings.
- Display color space which defines space in which particular display is working.
This settings could be found in scene's Color Management panel.
When render result is being displayed on the screen, apart from converting image
to display space, some additional conversions could happen.
This conversions are:
- View, which defines tone curve applying before display transformation.
These are different ways to view the image on the same display device.
For example it could be used to emulate film view on sRGB display.
- Exposure affects on image exposure before tone map is applied.
- Gamma is post-display gamma correction, could be used to match particular
display gamma.
- RGB curves are user-defined curves which are applying before display
transformation, could be used for different purposes.
All this settings by default are only applying on render result and does not
affect on other images. If some particular image needs to be affected by this
transformation, "View as Render" setting of image data block should be set to
truth. Movie clips are always affected by all display transformations.
This commit also introduces configurable color space in which sequencer is
working. This setting could be found in scene's Color Management panel and
it should be used if such stuff as grading needs to be done in color space
different from sRGB (i.e. when Film view on sRGB display is use, using VD16
space as sequencer's internal space would make grading working in space
which is close to the space using for display).
Some technical notes:
- Image buffer's float buffer is now always in linear space, even if it was
created from 16bit byte images.
- Space of byte buffer is stored in image buffer's rect_colorspace property.
- Profile of image buffer was removed since it's not longer meaningful.
- OpenGL and GLSL is supposed to always work in sRGB space. It is possible
to support other spaces, but it's quite large project which isn't so
much important.
- Legacy Color Management option disabled is emulated by using None display.
It could have some regressions, but there's no clear way to avoid them.
- If OpenColorIO is disabled on build time, it should make blender behaving
in the same way as previous release with color management enabled.
More details could be found at this page (more details would be added soon):
http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.64/Color_Management
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Thanks to Xavier Thomas, Lukas Toene for initial work on OpenColorIO
integration and to Brecht van Lommel for some further development and code/
usecase review!
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This fixes [#32399] VSE doesn't show last 3 frames of Quicktime movie.
Some decoders store frames internally until EOF.
So one has to feed the decoding engine with empty packets after EOF
until all frames could be extracted properly.
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BKE_utildefines is now unused but keep incase we want to add defines there later.
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BLI_endian_switch_int32/int64/float/double...
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despeckle node.
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This switches some areas of Blender which are related on FFmpeg stuff
from deprecated symbols to currently supported one.
Pretty straightforward changes based on documentation of FFmpeg's
API which symbols should be now used.
This should make Blender compatible with recent FFmpeg 0.11.
Should be no functional changes.
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replace do prefix with do_ for bool vars.
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else if's
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Not all file formats/calls are supported yet. It will be expended.
Please from now on use BLI_fopen, BLI_* for file manipulations.
For non-windows systems BLI_fopen just calls fopen.
For Windows, the utf-8 string is translated to utf-16 string in order to call UTF version of the function.
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Split proxy build operator into three parts:
- Prepare context (IMB_anim_index_rebuild_context) which prepares all
needed data and stores it in an anonymous structure used by specific
builder lately.
- Build proxies/timecodes into temporary files (IMB_anim_index_rebuild)
This function will build all selected proxies/timecodes into a temporary
files so old proxies will be still available during building.
- Finish building proxies (IMB_anim_index_rebuild_finish) which copies
temporary files over old proxies filed and releases all resources used
by a context.
Context creation and finishing building happens in a main thread so
it's easy and safe to close all opened handles of proxies files and
refresh cache after rebuilding is finished.
This should finally fix #30315: Temporary proxy files are not erased and old proxys are not updated if the proxy is built more then once (windows)
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updated if the proxy is built more then once (windows)
Two issues are fixed here:
- On windows rename() doesn't actually renames file if destination file is already exist.
Solved by ulinking previously built proxy/timecode.
- IMB_TC_MAX_SLOT was set to incorrect value leading to record run timecode calculating
several times.
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which made it using default quality settings which are really bad for camera
tracking (and perhaps for CSE too).
haven't found Jpeg quality setting for FFmpeg which will behave in the same way
as quality setting for image sequence, but seems that mapping image quality
from 1..100 UI range to 31..1 range of qmin/qmax gives expected result.
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always correct.
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This commit adds new timecode type which counts frames in gapless mode (counting
actually decoded frames instead of using pts to find frame number) which might
resolve issues with files which have got broken or incorrect base time value stored
in the header.
This timecode allows to deal with movies from #29388: Abnormal frame length on MP4 files
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http://markmail.org/message/fp7ozcywxum3ar7n
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- move font.c unicode functions into string_utf8.c and rename to fit with other BLI_string funcs.
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- Display running job template in all sequencer modes
It was displayed only for sequencer mode without preview.
- Fixed proxy rebuild progress indicator
It was alsways zero because of incorrect rounding.
- Fixed timecode saving on windows (and probably some other platforms)
It was caused by incorrect opening file for writting -- it should
be opened in binary format "wb". This error caused incorrect
movie duration detection on windows.
- Fixed movie resolution detection for some movies.
In file attached to report, Blender detected resolution 1920x1088
instead of 1920x1080. Not sure if this fix is correct or it's
issue in FFmpeg, but it's something what mplayer using: store
width/height before running avcodec_open().
- Fixed frame number calculation when building timecodes.
It was rounding error caused some frames be positioned incorrect
in several cases (that each 6th frame rendered as next frame
from report).
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also fixed own errors in recent static check commit.
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fixed crash pointed out by blendervse:
100%-proxy could lead to a segfault under certain conditions.
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This patch adds:
* support for proxy building again (missing feature from Blender 2.49)
additionally to the way, Blender 2.49 worked, you can select several
strips at once and make Blender build proxies in the background (using
the job system)
Also a new thing: movie proxies are now build into AVI files, and
the proxy system is moved into ImBuf-library, so that other parts
of blender can also benefit from it.
* Timecode support: to fix seeking issues with files, that have
a) varying frame rates
b) very large GOP lengths
c) are broken inbetween
d) use different time code tracks
the proxy builder can now also build timecode indices, which are
used (optionally) for seeking.
For the first time, it is possible, to do frame exact seeking on
all file types.
* Support for different video-streams in one video file (can be
selected in sequencer, other parts of blender can also use it,
but UI has to be added accordingly)
* IMPORTANT: this patch *requires* ffmpeg 0.7 or newer, since
older versions don't support the pkt_pts field, that is essential
for building timecode indices.
Windows and Mac libs are already updated, Linux-users have to build
their own ffmpeg verions until distros keep up.
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