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Here is a list of all modules:
[detail level 1234]
oASS styles
oASS functions
oend of Dialogue Event
oEncoding/Decoding Library
||\Frame parsing
||oNative Codecs
||oExternal library wrappers
||\Hardware Accelerators bridge
|| oDXVA2
|| oVA API Decoding
|| oVDA
|| oVDPAU Decoder and RendererVDPAU hardware acceleration has two modules
|| \XvMC
|oCore functions/structures.Basic definitions, functions for querying libavcodec capabilities, allocating core structures, etc
||oAVPacketTypes and functions for working with AVPacket
||\AVPictureFunctions for working with AVPicture
|\Utility functionsMiscellaneous utility functions related to both encoding and decoding (or neither)
| oPixel formatsFunctions for working with pixel formats
| \FFT functions
oSpecial devices muxing/demuxing libraryLibavdevice is a complementary library to libavformat
oLibav API
oI/O and Muxing/Demuxing LibraryLibavformat (lavf) is a library for dealing with various media container formats
|oDemuxingDemuxers read a media file and split it into chunks of data (packets)
|oI/O Read/Write
||oNative Demuxers
||\External library wrappers
|oI/O Protocols
|oPublic Metadata APIThe metadata API allows libavformat to export metadata tags to a client application when demuxing
|oCore functionsFunctions for querying libavformat capabilities, allocating core structures, etc
|\Utility functionsMiscellaneous utility functions related to both muxing and demuxing (or neither)
| \RIFF FourCCsGet the tables mapping RIFF FourCCs to libavcodec AVCodecIDs
oLibavresampleLibavresample (lavr) is a library that handles audio resampling, sample format conversion and mixing
oCommon utility functionsLibavutil contains the code shared across all the other FFmpeg libraries
|oCrypto and Hashing
|oString Manipulation
|oMemory Management
|oData Structures
||oAVOptionsAVOptions provide a generic system to declare options on arbitrary structs ("objects")
|||oEvaluating option stringsThis group of functions can be used to evaluate option strings and get numbers out of them
|||oOption setting functionsThose functions set the field of obj with the given name to value
|||\Option getting functionsThose functions get a value of the option with the given name from an object
||oAVDictionarySimple key:value store
||\AVTreeLow complexity tree container
|oAudio related
||oAudio channel masksA channel layout is a 64-bits integer with a bit set for every channel
||\Audio channel convenience macros
|oError Codes
| oInternalNot exported functions, for internal usage only
| oConstants
| |oEncoding specific
| |\Timestamp specificFFmpeg internal timebase and timestamp definitions
| oImage relatedAVPicture types, pixel formats and basic image planes manipulation
| oVersion and Build diagnosticsMacros and function useful to check at compiletime and at runtime which version of libavutil is in use
| \Media TypeMedia Type
oPreprocessor String MacrosString manipulation macros
oLibrary Version MacrosUseful to check and match library version in order to maintain backward compatibility
oDeprecation guardsFF_API_* defines may be placed below to indicate public API that will be dropped at a future version bump
oLibswresampleLibswresample (lswr) is a library that handles audio resampling, sample format conversion and mixing