Libav - Audio and video processing tools

Libav is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata. Its libraries include

• libavcodec provides implementation of a wider range of codecs.
• libavformat implements streaming protocols, container formats and basic I/O access.
• libavutil includes hashers, decompressors and miscellaneous utility functions.
• libavfilter provides a mean to alter decoded Audio and Video through chain of filters.
• libavdevice provides an abstraction to access capture and playback devices.
• libavresample implements audio mixing and resampling routines.
• libswscale implements color conversion and scaling routines.