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Commit Graph

31 Commits

Author SHA1 Message Date
Paul B Mahol
0c8a0d3a56 avfilter/af_acrossover: add per output band gain 2020-12-02 13:54:53 +01:00
Paul B Mahol
b0298ad4e5 avfilter/af_acrossover: remove pointless allocation of static size 2020-12-02 13:54:53 +01:00
Paul B Mahol
0a5ff19643 avfilter/af_acrossover: document roll-off of each filter order 2020-12-02 12:30:10 +01:00
Paul B Mahol
ba6e2a2d05 avfilter/af_acrossover: move coefficients and state to simple arrays 2020-12-01 18:42:57 +01:00
Paul B Mahol
62a0368fb4 avfilter/af_acrossover: remove unneeded emms_c() calls 2020-11-30 14:53:14 +01:00
Paul B Mahol
ca0900bc6e avfilter/af_acrossover: unroll biquad_process loop
Makes code significantly faster for higher orders.
2020-11-30 14:53:14 +01:00
Paul B Mahol
6100a01a7a avfilter/af_acrossover: use fdsp for inverter 2020-11-30 13:45:59 +01:00
Paul B Mahol
263b98bbbd avfilter/af_acrossover: always align nb_samples for fdsp call 2020-11-29 22:10:26 +01:00
Paul B Mahol
f194cedfe6 avfilter/af_acrossover: split in correct spot
Previously split was made in wrong (half of original) position.
2020-11-29 10:52:18 +01:00
Paul B Mahol
c5cdec9731 avfilter/af_acrossover: reduce memory usage
Split biquad coefficients from biquad state.
2020-11-29 10:52:18 +01:00
Paul B Mahol
66d89a8070 avfilter/af_acrossover: add option to adjust input gain 2020-11-28 16:02:12 +01:00
Paul B Mahol
68adb68e96 avfilter/af_acrossover: really fix single-pole allpass coefficients
Now LR2, LR6, LR10, LR14 and LR18 have really flat sum.
2020-11-28 14:53:17 +01:00
Paul B Mahol
50e2ad41de avfilter/af_acrossover: remove unecessary allpass calls 2020-11-28 13:12:06 +01:00
Paul B Mahol
cf98822b66 avfilter/af_acrossover: add support for float sample format 2020-11-27 18:46:23 +01:00
Paul B Mahol
551ca67afe avfilter/af_acrossover: fix single pole allpass coefficients 2020-11-27 15:35:41 +01:00
Paul B Mahol
1555cfedf6 avfilter/af_acrossover: improve quality for odd order butterworth 2020-11-27 12:52:21 +01:00
Paul B Mahol
68e452c367 avfilter/af_acrossover: add missing allpass processing 2020-11-26 15:44:14 +01:00
Paul B Mahol
f7d7ce4717 avfilter/af_acrossover: add missing inverter as last step 2020-11-26 13:17:20 +01:00
Paul B Mahol
4e3c4dfbf3 avfilter/af_acrossover: simplify coefficients 2020-11-26 13:17:20 +01:00
Paul B Mahol
cc74700a83 avfilter/af_acrossover: add even more orders 2020-11-26 13:17:20 +01:00
Paul B Mahol
bc529ea9bc avfilter/af_acrossover: use transposed direct II form 2020-11-26 13:17:20 +01:00
Paul B Mahol
810e213fab avfilter/af_acrossover: rewrite code so it performs faster 2020-11-26 13:17:20 +01:00
Paul B Mahol
aba17bf6a5 avfilter/af_acrossover: add higher orders 2020-11-26 13:17:20 +01:00
Limin Wang
403bee30a5 avfilter/af_acrossover: Check sscanf() return value
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
2020-04-17 16:56:13 +02:00
Paul B Mahol
ddbd77da90 avfilter/af_acrossover: revert 270068b5a
Actually it did not work well.
2020-03-27 10:13:20 +01:00
Paul B Mahol
7e8721e98e avfilter/af_acrossover: free all output frames on error 2020-02-07 12:13:06 +01:00
Paul B Mahol
cd671ea083 avfilter/af_acrossover: add slice threading support 2020-02-07 12:13:06 +01:00
Paul B Mahol
270068b5af avfilter/af_acrossover: improve filter output
Makes sum always flat. Also faster.
2020-02-06 15:45:19 +01:00
Paul B Mahol
daf2bef98d avfilter/af_acrossover: fix memory leak
Fixes #8304
2019-10-18 10:33:54 +02:00
Paul B Mahol
a5b28b271a avfilter/af_acrossover: use av_strtod() to parse single number 2018-11-18 20:44:27 +01:00
Paul B Mahol
5109c38162 avfilter: add acrossover filter
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2018-09-16 12:06:37 +02:00