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Diffstat (limited to 'ffmpeg1/doc/swresample.txt')
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diff --git a/ffmpeg1/doc/swresample.txt b/ffmpeg1/doc/swresample.txt deleted file mode 100644 index 2d192a3..0000000 --- a/ffmpeg1/doc/swresample.txt +++ /dev/null @@ -1,46 +0,0 @@ - The official guide to swresample for confused developers. - ========================================================= - -Current (simplified) Architecture: ---------------------------------- - Input - v - __________________/|\___________ - / | \ - / input sample format convert v - / | ___________/ - | |/ - | v - | ___________/|\___________ _____________ - | / | \ | | - | Rematrix | resample <---->| Buffers | - | \___________ | ___________/ |_____________| - v \|/ -Special Converter v - v ___________/|\___________ _____________ - | / | \ | | - | Rematrix | resample <---->| Buffers | - | \___________ | ___________/ |_____________| - | \|/ - | v - | |\___________ - \ | \ - \ output sample format convert v - \_________________ | ___________/ - \|/ - v - Output - -Planar/Packed conversion is done when needed during sample format conversion. -Every step can be skipped without memcpy when it is not needed. -Either Resampling and Rematrixing can be performed first depending on which -way it is faster. -The Buffers are needed for resampling due to resamplng being a process that -requires future and past data, it thus also introduces inevitably a delay when -used. -Internally 32bit float and 16bit int is supported currently, other formats can -easily be added. -Externally all sample formats in packed and planar configuration are supported -It's also trivial to add special converters for common cases. -If only sample format and/or packed/planar conversion is needed, it -is performed from input to output directly in a single pass with no intermediates. |