Now this data passes from various chain of filters.
This en-compress data goes for filtration process which is performed by libavfilter Library. Which decode the data and provide us decoded data frames. These encoded data packets works as a input for decoder. Which demultiplex the input file and provides the packets of encoded data.
This library is used to make programming easy by performing various functions.Īs shown above in the figure working of FF-mpeg is divided into the 5 steps mentioned below, (1) Demultiplexer (2) Decoder (3) Filter (4) Encoder (5) Multiplexerįirst of all in this step Iibavcodec Library is called to read the input file. This library contains the multimedia filters. Where pixels of the images are considered for optimization. This library is used for scaling purpose. This library is responsible for audio resampling and rematrixing. It contains Multiplexer and demultiplexer for different formats. It contains the encoder as well decoder for codec. This library contains the input and output devices, it used to grab and render to many software. There are 7 libraries in FFmpeg mentioned below, (1) LibavDevice (2) LibavCodec (3) LibavFormat (4) LibavSample (5) LibavScale (6) LibavFilter (7) LibavUtil
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