[WIP] add avfilter#180

Merged

cchampet merged 16 commits intoavTranscoder:developfrom

cchampet:dev_addAvFilter

Jan 22, 2016

Commits on Nov 20, 2015

CMake: added avfilter when build the project
Clement Champetier
committed
Library: added avfilter license
Clement Champetier
committed
Added FilterGraph
Clement Champetier
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common: load filters when preloadCodecsAndFormats
Clement Champetier
committed

Commits on Jan 20, 2016

Merge branch 'develop' of https://github.com/avTranscoder/avTranscoder into dev_addAvFilter
Clement Champetier
committed

Commits on Jan 21, 2016

Frame: added isVideo/AudioFrame methods
Clement Champetier
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AudioFrame: added getChannelLayout method
Clement Champetier
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filter: added Filter class
Clement Champetier
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FilterGraph: used Filter class to manage a graph of video/audio filters
Clement Champetier
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StreamTranscoder: added a FilterGraph attribute
Clement Champetier
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StreamTranscoder: process filtering at each frame when transcode
Clement Champetier
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StreamTranscoder: added getFilterGraph method
Clement Champetier
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StreamTranscoder: updated doc
Clement Champetier
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Commits on Jan 22, 2016

filter: added classes to SWIG interface
Clement Champetier
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FilterGraph: fixed channel layout value of abuffer
Clement Champetier
committed
pyTest: added testFilter to check filter classes
Clement Champetier
committed