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81c1004891
This behavior is currently completely broken, leading to an abrupt end of the first audio stream. I want to generalize this filter to multiple inputs, but having too short input files will always represent a significant problem. I considered a few approaches for how to handle this more gracefully, but most of them come with their own problems; in particular when a short input is sandwiched between two longer ones; or when there is a sequence of short inputs. In the end, it's simplest to just shorten the crossfade window. I also considered (and tested) padding the input with silence, but this also has its own aesthetic implications and strange edge cases. See-Also: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20388
FFmpeg README
FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Libraries
libavcodecprovides implementation of a wider range of codecs.libavformatimplements streaming protocols, container formats and basic I/O access.libavutilincludes hashers, decompressors and miscellaneous utility functions.libavfilterprovides means to alter decoded audio and video through a directed graph of connected filters.libavdeviceprovides an abstraction to access capture and playback devices.libswresampleimplements audio mixing and resampling routines.libswscaleimplements color conversion and scaling routines.
Tools
- ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
- ffplay is a minimalistic multimedia player.
- ffprobe is a simple analysis tool to inspect multimedia content.
- Additional small tools such as
aviocat,ismindexandqt-faststart.
Documentation
The offline documentation is available in the doc/ directory.
The online documentation is available in the main website and in the wiki.
Examples
Coding examples are available in the doc/examples directory.
License
FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.
Contributing
Patches should be submitted to the ffmpeg-devel mailing list using
git format-patch or git send-email. Github pull requests should be
avoided because they are not part of our review process and will be ignored.