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FFmpeg uses a fraction of integers to indicate the frame rate, whereas Blender uses `int / float`. When a custom frame rate is used with non-integer base, the FPS and Base settings were multiplied with 100000 before passing to FFmpeg as `int`. This could overflow when a high enough FPS setting was used, which is the case when importing a video of almost-but-not-quite-integer frame rate into the VSE. The overflow caused FFmpeg to return an error "The encoder timebase is not set", which is rather cryptic for users. The new solution is to take the max int and divide that by the frame rate, and use that ratio to pass to FFmpeg. This won't overflow, and thus allows exporting arbitrary frame rates.
.. Keep this document short & concise, linking to external resources instead of including content in-line. See 'release/text/readme.html' for the end user read-me. Blender ======= Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing, motion tracking and video editing. .. figure:: https://code.blender.org/wp-content/uploads/2018/12/springrg.jpg :scale: 50 % :align: center Project Pages ------------- - `Main Website <http://www.blender.org>`__ - `Reference Manual <https://docs.blender.org/manual/en/latest/index.html>`__ - `User Community <https://www.blender.org/community/>`__ Development ----------- - `Build Instructions <https://wiki.blender.org/wiki/Building_Blender>`__ - `Code Review & Bug Tracker <https://developer.blender.org>`__ - `Developer Forum <https://devtalk.blender.org>`__ - `Developer Documentation <https://wiki.blender.org>`__ License ------- Blender as a whole is licensed under the GNU Public License, Version 3. Individual files may have a different, but compatible license. See `blender.org/about/license <https://www.blender.org/about/license>`__ for details.