-Audio filters:
- * Chorus/Flanger audio filter
- * 3F1R to stereo downmix filter
- * Dolby mixer, parameterized equalizer, trivial mixer, scaletempo, bandlimited resampler,
- linear resampler, ugly resampler, converter_float, converter_fixed, DTS to SPDIF and
- * NEON assembly audio converter module
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-Encoders:
- * x264, add psy-rd parameter and change default settings
- * x264, add profile-limitter sameway as x264.eve has, for example
- #transcode{vcodec=h264,venc=x264{profile=baseline,level=1.2},vb=384,width=320,height=176}
- * x264, defaults to crf=23 as x264.exe-does, if bitrate is given,
- uses ABR and if qp-value is set uses CQP
- * libx264-version 0.76 or higher is required
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