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Code Issues Releases Wiki Activity

DOCS/tech-overview.txt: caching has changed

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wm4 2019-10-02 19:20:51 +02:00
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DOCS/tech-overview.txt
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@ -139,9 +139,6 @@ stream/*:
Some stream inputs are just there to invoke special demuxers, like Some stream inputs are just there to invoke special demuxers, like
stream_mf.c. (Basically to make the prefix "mf://" do something special.) stream_mf.c. (Basically to make the prefix "mf://" do something special.)
cache.c is a caching wrapper around streams implementations, needed for
smooth network playback.
demux/: demux/:
Demuxers split data streams into audio/video/sub streams, which in turn Demuxers split data streams into audio/video/sub streams, which in turn
are split in packets. Packets (see demux_packet.h) are mostly byte chunks are split in packets. Packets (see demux_packet.h) are mostly byte chunks
@ -155,6 +152,10 @@ demux/:
There is a stream header for each audio/video/sub stream, and each of them There is a stream header for each audio/video/sub stream, and each of them
holds codec information about the stream and other information. holds codec information about the stream and other information.
demux.c is a bit big, the main reason being that it contains the demuxer
cache, which is implemented as a list of packets. The cache is complex
because it support seeking, multiple ranges, prefetching, and so on.
video/: video/:
This contains several things related to audio/video decoding, as well as This contains several things related to audio/video decoding, as well as
video filters. video filters.