On 2/18/2023 8:52 AM, Lynne wrote:
Feb 18, 2023, 01:00 by h.lepp...@gmail.com:

On Fri, Feb 17, 2023 at 7:45 PM Lynne <d...@lynne.ee> wrote:


Feb 17, 2023, 18:08 by jamr...@gmail.com:

On 2/17/2023 1:54 PM, Lynne wrote:

This reverts commit 26cb36f35746fe6ef53688b119852bfa6d555f62.

All filters and all codecs (except wmavoice) have been ported for the
lavu/tx API.

The noise should be minimal.


It isn't. I'm getting more than two thousand lines of warnings after applying 
this patch from

libavfilter/vf_spp.c
libavfilter/x86/vf_spp.c
libavcodec/asvenc.c
libavcodec/avdct.c
libavcodec/avfft.c
libavcodec/dct.c
libavcodec/fdctdsp.c
libavcodec/fft_float.c
libavcodec/fft_init_table.c
libavcodec/idctdsp.c
libavcodec/jfdctfst.c
libavcodec/jfdctint.c
libavcodec/jrevdct.c
libavcodec/mpegaudiodsp.c
libavcodec/mpegvideo_enc.c
libavcodec/rdft.c
libavcodec/wmavoice.c
libavcodec/x86/dct_init.c
libavcodec/x86/fft_init.c
libavcodec/x86/mpegvideoenc.c

It's not just wmavoice, there's also mpeg and jpeg stuff, and one filter. For 
the actual fft/dct/rdft/mdct source files, you should use the deprecation 
warning pragmas to silence them, but the other modules need to be ported.
This patch is also missing the schedule FF_API deprecation wrapper.


Is the noise acceptable if I just deprecate the functions?
It wasn't before, but it should be much less now.


An API we still use internally doesn't seem very deprecated to me.
Should get rid of it, then there won't be any warnings.


git grep av_fft_init | cut -d ':' -f 1 | uniq
libavcodec/avfft.c
libavcodec/avfft.h
libavcodec/tests/fft.c

git grep av_dct_init | cut -d ':' -f 1 | uniq
libavcodec/avfft.c
libavcodec/avfft.h
libavcodec/tests/fft.c

git grep av_rdft_init | cut -d ':' -f 1 | uniq
fftools/ffplay.c
libavcodec/avfft.c
libavcodec/avfft.h
libavcodec/tests/fft.c

git grep av_mdct_init | cut -d ':' -f 1 | uniq
libavcodec/avfft.c
libavcodec/avfft.h
libavcodec/tests/fft.c

git grep av_tx_init | cut -d ':' -f 1 | uniq
libavcodec/aacdec_template.c
libavcodec/aacenc.c
libavcodec/aacsbr_template.c
libavcodec/ac3dec.c
libavcodec/ac3enc_fixed.c
libavcodec/ac3enc_float.c
libavcodec/atrac1.c
libavcodec/atrac3.c
libavcodec/atrac3plusdec.c
libavcodec/atrac9dec.c
libavcodec/binkaudio.c
libavcodec/cook.c
libavcodec/dca_core.c
libavcodec/dca_lbr.c
libavcodec/dcaenc.c
libavcodec/dolby_e.c
libavcodec/hcadec.c
libavcodec/imc.c
libavcodec/nellymoserdec.c
libavcodec/nellymoserenc.c
libavcodec/on2avc.c
libavcodec/opusdec_celt.c
libavcodec/opusenc.c
libavcodec/opusenc_psy.c
libavcodec/qdm2.c
libavcodec/qdmc.c
libavcodec/siren.c
libavcodec/twinvq.c
libavcodec/vorbisdec.c
libavcodec/vorbisenc.c
libavcodec/wmadec.c
libavcodec/wmaenc.c
libavcodec/wmaprodec.c
libavfilter/af_adrc.c
libavfilter/af_afftdn.c
libavfilter/af_afftfilt.c
libavfilter/af_afir.c
libavfilter/af_apsyclip.c
libavfilter/af_arnndn.c
libavfilter/af_aspectralstats.c
libavfilter/af_atempo.c
libavfilter/af_dialoguenhance.c
libavfilter/af_firequalizer.c
libavfilter/af_headphone.c
libavfilter/af_sofalizer.c
libavfilter/af_superequalizer.c
libavfilter/af_surround.c
libavfilter/afir_template.c
libavfilter/asrc_afirsrc.c
libavfilter/asrc_sinc.c
libavfilter/avf_showcqt.c
libavfilter/avf_showcwt.c
libavfilter/avf_showfreqs.c
libavfilter/avf_showspatial.c
libavfilter/avf_showspectrum.c
libavfilter/vaf_spectrumsynth.c
libavfilter/vf_bm3d.c
libavfilter/vf_convolve.c
libavfilter/vf_fftdnoiz.c
libavfilter/vf_fftfilt.c
libavutil/tx.c
libavutil/tx.h
tests/checkasm/av_tx.c
tests/checkasm/synth_filter.c

...I rest my case. This is getting deprecated as soon as we reach a consensus
on what to mark as deprecated.

git grep avcodec_dct_init | cut -d ':' -f 1 | uniq
doc/APIchanges
libavcodec/avdct.c
libavcodec/avdct.h
libavfilter/vf_spp.c

Also, just deprecate the functions, not the structs. Said structs are being used in places like wmavoice and mpegaudiodsp using the internal versions of this API. so if you intention is to remove the entire fft/dct/rdft/mdct code from lavc, not just the public interface, then they need to be ported to lavu tx eventually. You also need to silence the warnings in the tests with the FF_{ENA,DISA}BLE_DEPRECATION_WARNINGS pragmas, and add a new FF_API_ deprecation wrapper where corresponds.
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