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path: root/libavfilter/af_aiir.c
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* avfilter/af_aiir: check if frame clone is setPaul B Mahol2020-01-14
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* avfilter/af_aiir: normalize biquads only if divisor is big enoughPaul B Mahol2019-11-22
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* avfilter/af_aiir: fix biquads normalizationPaul B Mahol2019-11-22
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* avfilter/af_aiir: add missing normalization of biquads gainsPaul B Mahol2019-11-22
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* avfilter/af_aiir: make a/b coefficients arrayPaul B Mahol2019-11-22
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* avfilter/af_aiir: factor out response calculationPaul B Mahol2019-11-22
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* avfilter/af_aiir: check for stabilityPaul B Mahol2019-11-22
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* avfilter/af_aiir: fix array length when selecting conjugate polesPaul B Mahol2019-11-21
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* avfilter/af_aiir: calculate group delay tooPaul B Mahol2019-07-13
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* avfilter/af_aiir: do not ignore k option for audio filteringPaul B Mahol2019-07-13
| | | | Previously it was used only for displaying frequency response.
* avfilter/af_aiir: implement mix optionPaul B Mahol2019-07-08
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* avfilter/af_aiir: implement rate optionPaul B Mahol2018-11-08
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* avfilter/af_aiir: Remove l from %lf in av_log environmentMichael Niedermayer2018-10-07
| | | | | | The l modifier does nothing in C99 and it was undefined in C89 for %f Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* lavfi/af_afir,af_aiir: Remove a variable that is always -1.Carl Eugen Hoyos2018-07-19
| | | | | | | | | | Fixes two warnings: libavfilter/af_afir.c:194:45: warning: assuming signed overflow does not occur when assuming that (X - c) > X is always false [-Wstrict-overflow] int dx = FFABS(x1-x0), sx = x0 < x1 ? 1 : -1; ~~~~~~~~~~~~^~~~ libavfilter/af_aiir.c:689:45: warning: assuming signed overflow does not occur when assuming that (X - c) > X is always false [-Wstrict-overflow] int dx = FFABS(x1-x0), sx = x0 < x1 ? 1 : -1; ~~~~~~~~~~~~^~~~
* avfilter/af_aiir: draw IR frequency responsePaul B Mahol2018-05-30
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: add polar zeros/poles format variantPaul B Mahol2018-01-10
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: unbreak clipping detectionPaul B Mahol2018-01-10
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: do not leak memory on failure in convert_zp2tf()Paul B Mahol2018-01-10
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: refactor code so it uses IIRChannel structPaul B Mahol2018-01-09
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: make default processing to serially cascadedPaul B Mahol2018-01-09
| | | | | | Also add several helpfull log messages. Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: add slice threading supportPaul B Mahol2018-01-09
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: add cascaded biquads supportPaul B Mahol2018-01-09
| | | | | | Also add precision option. Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: do not forget to free gains tooPaul B Mahol2018-01-08
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: fix typo which may cause overreadPaul B Mahol2018-01-08
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: rename options, provide gains in separate optionPaul B Mahol2018-01-07
| | | | | | This way it can be also used for other format. Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: add support for alternative coefficients formatPaul B Mahol2018-01-07
| | | | | | Support for zeros/poles syntax on Z-plane. Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_aiir: do not crash with invalid optionsPaul B Mahol2018-01-05
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter: add arbitrary audio IIR filterPaul B Mahol2018-01-05
Signed-off-by: Paul B Mahol <onemda@gmail.com>