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s= fm2; bh=uisgZkD15aX7t6bFwj34cxLP2zEXKg6ETXloSn+HCng=; b=BVoyYbFc e9DZzgkjJxmFcA9nZbjm6EZHGqtZ8i86XMSbkWlLrMl42Dfrt3AEGIcnlM/hIChj U5oZZNPt/9HRCLoTXe4xOmuevOpPwVeg0XExOqpM9WQoovRwUO08AxNPRjOnJ73X NFKOc57hMxhM101Q9TrUL4FYPotZBjAb7oirlI2I4bac5D9JddQJy0pLlSxnT1cB 0epiUAlOZm0mZ2D9aEcm7PxvIJDEG6+eWOmT5DXPWfa+LJRues/HC+b4pIWH1VJj i5KOXYMzaX6/IuzUQVqADDD1Xf7lPHI60x6h9tHgyGJTdZf1Qds5mjdMMy+diFcN oVyfWm5+dIBNdQ== X-ME-Sender: Received: from localhost.localdomain (cpc75394-sotn16-2-0-cust168.15-1.cable.virginm.net [82.22.8.169]) by mail.messagingengine.com (Postfix) with ESMTPA id 61B47241D8 for ; Sat, 24 Mar 2018 17:40:05 -0400 (EDT) From: Josh de Kock To: ffmpeg-devel@ffmpeg.org Date: Sat, 24 Mar 2018 21:39:58 +0000 Message-Id: <20180324213958.71486-1-josh@itanimul.li> X-Mailer: git-send-email 2.14.3 (Apple Git-98) In-Reply-To: <20180324182738.GL32664@michaelspb> References: <20180324182738.GL32664@michaelspb> Subject: [FFmpeg-devel] [PATCH v3] lavfi: add new iteration API X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Signed-off-by: Josh de Kock --- configure | 29 +- doc/APIchanges | 4 + doc/writing_filters.txt | 6 +- libavfilter/allfilters.c | 823 +++++++++++++++++++++++++---------------------- libavfilter/avfilter.c | 50 +-- libavfilter/avfilter.h | 29 +- libavfilter/version.h | 3 + 7 files changed, 489 insertions(+), 455 deletions(-) diff --git a/configure b/configure index cc3edeb80f..c1efefb61e 100755 --- a/configure +++ b/configure @@ -3561,15 +3561,6 @@ for v in "$@"; do FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}" done -find_things(){ - thing=$1 - pattern=$2 - file=$source_path/$3 - sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file" -} - -FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c) - find_things_extern(){ thing=$1 pattern=$2 @@ -3578,6 +3569,13 @@ find_things_extern(){ sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file" } +find_filters_extern(){ + file=$source_path/$1 + #sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(\w\+\);/\2_filter/p" $file + sed -E -n "s/^extern AVFilter ff_([avfsinkrc]{2,5})_([a-zA-Z0-9_]+);/\2_filter/p" $file +} + +FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c) OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev) INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev) MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c) @@ -7088,6 +7086,10 @@ echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH cp_if_changed $TMPH libavutil/avconfig.h +full_filter_name(){ + sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_$1;/\1_$1/p" $source_path/libavfilter/allfilters.c +} + # generate the lists of enabled components print_enabled_components(){ file=$1 @@ -7098,6 +7100,9 @@ print_enabled_components(){ for c in $*; do if enabled $c; then case $name in + filter_list) + c=$(full_filter_name $(remove_suffix _filter $c)) + ;; indev_list) c=$(add_suffix _demuxer $(remove_suffix _indev $c)) ;; @@ -7108,10 +7113,16 @@ print_enabled_components(){ printf " &ff_%s,\n" $c >> $TMPH fi done + if [ "$name" == "filter_list" ]; then + for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do + printf " &ff_%s,\n" $c >> $TMPH + done + fi echo " NULL };" >> $TMPH cp_if_changed $TMPH $file } +print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST diff --git a/doc/APIchanges b/doc/APIchanges index d410bcdd75..4052988f59 100644 --- a/doc/APIchanges +++ b/doc/APIchanges @@ -15,6 +15,10 @@ libavutil: 2017-10-21 API changes, most recent first: +2018-xx-xx - xxxxxxx - lavc 7.13.100 - avcodec.h + Deprecate use of avfilter_register(), avfilter_register_all(), + avfilter_next(). Add av_filter_iterate(). + 2018-03-21 - xxxxxxx - lavc 58.15.100 - avcodec.h Add av_packet_make_writable(). diff --git a/doc/writing_filters.txt b/doc/writing_filters.txt index 5cd4ecd6a4..98b9c6f3d2 100644 --- a/doc/writing_filters.txt +++ b/doc/writing_filters.txt @@ -31,10 +31,8 @@ If everything went right, you should get a foobar.png with Lena edge-detected. That's it, your new playground is ready. Some little details about what's going on: -libavfilter/allfilters.c:avfilter_register_all() is called at runtime to create -a list of the available filters, but it's important to know that this file is -also parsed by the configure script, which in turn will define variables for -the build system and the C: +libavfilter/allfilters.c:this file is parsed by the configure script, which in turn +will define variables for the build system and the C: --- after running configure --- diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index 3f67e321bf..b6a193a8f0 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -23,410 +23,455 @@ #include "avfilter.h" #include "config.h" +extern AVFilter ff_af_abench; +extern AVFilter ff_af_acompressor; +extern AVFilter ff_af_acontrast; +extern AVFilter ff_af_acopy; +extern AVFilter ff_af_acrossfade; +extern AVFilter ff_af_acrusher; +extern AVFilter ff_af_adelay; +extern AVFilter ff_af_aecho; +extern AVFilter ff_af_aemphasis; +extern AVFilter ff_af_aeval; +extern AVFilter ff_af_afade; +extern AVFilter ff_af_afftfilt; +extern AVFilter ff_af_afir; +extern AVFilter ff_af_aformat; +extern AVFilter ff_af_agate; +extern AVFilter ff_af_aiir; +extern AVFilter ff_af_ainterleave; +extern AVFilter ff_af_alimiter; +extern AVFilter ff_af_allpass; +extern AVFilter ff_af_aloop; +extern AVFilter ff_af_amerge; +extern AVFilter ff_af_ametadata; +extern AVFilter ff_af_amix; +extern AVFilter ff_af_anequalizer; +extern AVFilter ff_af_anull; +extern AVFilter ff_af_apad; +extern AVFilter ff_af_aperms; +extern AVFilter ff_af_aphaser; +extern AVFilter ff_af_apulsator; +extern AVFilter ff_af_arealtime; +extern AVFilter ff_af_aresample; +extern AVFilter ff_af_areverse; +extern AVFilter ff_af_aselect; +extern AVFilter ff_af_asendcmd; +extern AVFilter ff_af_asetnsamples; +extern AVFilter ff_af_asetpts; +extern AVFilter ff_af_asetrate; +extern AVFilter ff_af_asettb; +extern AVFilter ff_af_ashowinfo; +extern AVFilter ff_af_asidedata; +extern AVFilter ff_af_asplit; +extern AVFilter ff_af_astats; +extern AVFilter ff_af_astreamselect; +extern AVFilter ff_af_atempo; +extern AVFilter ff_af_atrim; +extern AVFilter ff_af_azmq; +extern AVFilter ff_af_bandpass; +extern AVFilter ff_af_bandreject; +extern AVFilter ff_af_bass; +extern AVFilter ff_af_biquad; +extern AVFilter ff_af_bs2b; +extern AVFilter ff_af_channelmap; +extern AVFilter ff_af_channelsplit; +extern AVFilter ff_af_chorus; +extern AVFilter ff_af_compand; +extern AVFilter ff_af_compensationdelay; +extern AVFilter ff_af_crossfeed; +extern AVFilter ff_af_crystalizer; +extern AVFilter ff_af_dcshift; +extern AVFilter ff_af_drmeter; +extern AVFilter ff_af_dynaudnorm; +extern AVFilter ff_af_earwax; +extern AVFilter ff_af_ebur128; +extern AVFilter ff_af_equalizer; +extern AVFilter ff_af_extrastereo; +extern AVFilter ff_af_firequalizer; +extern AVFilter ff_af_flanger; +extern AVFilter ff_af_haas; +extern AVFilter ff_af_hdcd; +extern AVFilter ff_af_headphone; +extern AVFilter ff_af_highpass; +extern AVFilter ff_af_join; +extern AVFilter ff_af_ladspa; +extern AVFilter ff_af_loudnorm; +extern AVFilter ff_af_lowpass; +extern AVFilter ff_af_lv2; +extern AVFilter ff_af_mcompand; +extern AVFilter ff_af_pan; +extern AVFilter ff_af_replaygain; +extern AVFilter ff_af_resample; +extern AVFilter ff_af_rubberband; +extern AVFilter ff_af_sidechaincompress; +extern AVFilter ff_af_sidechaingate; +extern AVFilter ff_af_silencedetect; +extern AVFilter ff_af_silenceremove; +extern AVFilter ff_af_sofalizer; +extern AVFilter ff_af_stereotools; +extern AVFilter ff_af_stereowiden; +extern AVFilter ff_af_superequalizer; +extern AVFilter ff_af_surround; +extern AVFilter ff_af_treble; +extern AVFilter ff_af_tremolo; +extern AVFilter ff_af_vibrato; +extern AVFilter ff_af_volume; +extern AVFilter ff_af_volumedetect; -#define REGISTER_FILTER(X, x, y) \ - { \ - extern AVFilter ff_##y##_##x; \ - if (CONFIG_##X##_FILTER) \ - avfilter_register(&ff_##y##_##x); \ - } +extern AVFilter ff_asrc_aevalsrc; +extern AVFilter ff_asrc_anoisesrc; +extern AVFilter ff_asrc_anullsrc; +extern AVFilter ff_asrc_flite; +extern AVFilter ff_asrc_hilbert; +extern AVFilter ff_asrc_sine; -#define REGISTER_FILTER_UNCONDITIONAL(x) \ - { \ - extern AVFilter ff_##x; \ - avfilter_register(&ff_##x); \ - } +extern AVFilter ff_asink_anullsink; + +extern AVFilter ff_vf_alphaextract; +extern AVFilter ff_vf_alphamerge; +extern AVFilter ff_vf_ass; +extern AVFilter ff_vf_atadenoise; +extern AVFilter ff_vf_avgblur; +extern AVFilter ff_vf_avgblur_opencl; +extern AVFilter ff_vf_bbox; +extern AVFilter ff_vf_bench; +extern AVFilter ff_vf_bitplanenoise; +extern AVFilter ff_vf_blackdetect; +extern AVFilter ff_vf_blackframe; +extern AVFilter ff_vf_blend; +extern AVFilter ff_vf_boxblur; +extern AVFilter ff_vf_bwdif; +extern AVFilter ff_vf_chromakey; +extern AVFilter ff_vf_ciescope; +extern AVFilter ff_vf_codecview; +extern AVFilter ff_vf_colorbalance; +extern AVFilter ff_vf_colorchannelmixer; +extern AVFilter ff_vf_colorkey; +extern AVFilter ff_vf_colorlevels; +extern AVFilter ff_vf_colormatrix; +extern AVFilter ff_vf_colorspace; +extern AVFilter ff_vf_convolution; +extern AVFilter ff_vf_convolve; +extern AVFilter ff_vf_copy; +extern AVFilter ff_vf_coreimage; +extern AVFilter ff_vf_cover_rect; +extern AVFilter ff_vf_crop; +extern AVFilter ff_vf_cropdetect; +extern AVFilter ff_vf_curves; +extern AVFilter ff_vf_datascope; +extern AVFilter ff_vf_dctdnoiz; +extern AVFilter ff_vf_deband; +extern AVFilter ff_vf_decimate; +extern AVFilter ff_vf_deconvolve; +extern AVFilter ff_vf_deflate; +extern AVFilter ff_vf_deflicker; +extern AVFilter ff_vf_deinterlace_qsv; +extern AVFilter ff_vf_deinterlace_vaapi; +extern AVFilter ff_vf_dejudder; +extern AVFilter ff_vf_delogo; +extern AVFilter ff_vf_denoise_vaapi; +extern AVFilter ff_vf_deshake; +extern AVFilter ff_vf_despill; +extern AVFilter ff_vf_detelecine; +extern AVFilter ff_vf_dilation; +extern AVFilter ff_vf_displace; +extern AVFilter ff_vf_doubleweave; +extern AVFilter ff_vf_drawbox; +extern AVFilter ff_vf_drawgraph; +extern AVFilter ff_vf_drawgrid; +extern AVFilter ff_vf_drawtext; +extern AVFilter ff_vf_edgedetect; +extern AVFilter ff_vf_elbg; +extern AVFilter ff_vf_entropy; +extern AVFilter ff_vf_eq; +extern AVFilter ff_vf_erosion; +extern AVFilter ff_vf_extractplanes; +extern AVFilter ff_vf_fade; +extern AVFilter ff_vf_fftfilt; +extern AVFilter ff_vf_field; +extern AVFilter ff_vf_fieldhint; +extern AVFilter ff_vf_fieldmatch; +extern AVFilter ff_vf_fieldorder; +extern AVFilter ff_vf_fillborders; +extern AVFilter ff_vf_find_rect; +extern AVFilter ff_vf_floodfill; +extern AVFilter ff_vf_format; +extern AVFilter ff_vf_fps; +extern AVFilter ff_vf_framepack; +extern AVFilter ff_vf_framerate; +extern AVFilter ff_vf_framestep; +extern AVFilter ff_vf_frei0r; +extern AVFilter ff_vf_fspp; +extern AVFilter ff_vf_gblur; +extern AVFilter ff_vf_geq; +extern AVFilter ff_vf_gradfun; +extern AVFilter ff_vf_haldclut; +extern AVFilter ff_vf_hflip; +extern AVFilter ff_vf_histeq; +extern AVFilter ff_vf_histogram; +extern AVFilter ff_vf_hqdn3d; +extern AVFilter ff_vf_hqx; +extern AVFilter ff_vf_hstack; +extern AVFilter ff_vf_hue; +extern AVFilter ff_vf_hwdownload; +extern AVFilter ff_vf_hwmap; +extern AVFilter ff_vf_hwupload; +extern AVFilter ff_vf_hwupload_cuda; +extern AVFilter ff_vf_hysteresis; +extern AVFilter ff_vf_idet; +extern AVFilter ff_vf_il; +extern AVFilter ff_vf_inflate; +extern AVFilter ff_vf_interlace; +extern AVFilter ff_vf_interleave; +extern AVFilter ff_vf_kerndeint; +extern AVFilter ff_vf_lenscorrection; +extern AVFilter ff_vf_libvmaf; +extern AVFilter ff_vf_limiter; +extern AVFilter ff_vf_loop; +extern AVFilter ff_vf_lumakey; +extern AVFilter ff_vf_lut; +extern AVFilter ff_vf_lut2; +extern AVFilter ff_vf_lut3d; +extern AVFilter ff_vf_lutrgb; +extern AVFilter ff_vf_lutyuv; +extern AVFilter ff_vf_maskedclamp; +extern AVFilter ff_vf_maskedmerge; +extern AVFilter ff_vf_mcdeint; +extern AVFilter ff_vf_mergeplanes; +extern AVFilter ff_vf_mestimate; +extern AVFilter ff_vf_metadata; +extern AVFilter ff_vf_midequalizer; +extern AVFilter ff_vf_minterpolate; +extern AVFilter ff_vf_mix; +extern AVFilter ff_vf_mpdecimate; +extern AVFilter ff_vf_negate; +extern AVFilter ff_vf_nlmeans; +extern AVFilter ff_vf_nnedi; +extern AVFilter ff_vf_noformat; +extern AVFilter ff_vf_noise; +extern AVFilter ff_vf_normalize; +extern AVFilter ff_vf_null; +extern AVFilter ff_vf_ocr; +extern AVFilter ff_vf_ocv; +extern AVFilter ff_vf_oscilloscope; +extern AVFilter ff_vf_overlay; +extern AVFilter ff_vf_overlay_opencl; +extern AVFilter ff_vf_overlay_qsv; +extern AVFilter ff_vf_owdenoise; +extern AVFilter ff_vf_pad; +extern AVFilter ff_vf_palettegen; +extern AVFilter ff_vf_paletteuse; +extern AVFilter ff_vf_perms; +extern AVFilter ff_vf_perspective; +extern AVFilter ff_vf_phase; +extern AVFilter ff_vf_pixdesctest; +extern AVFilter ff_vf_pixscope; +extern AVFilter ff_vf_pp; +extern AVFilter ff_vf_pp7; +extern AVFilter ff_vf_premultiply; +extern AVFilter ff_vf_prewitt; +extern AVFilter ff_vf_procamp_vaapi; +extern AVFilter ff_vf_program_opencl; +extern AVFilter ff_vf_pseudocolor; +extern AVFilter ff_vf_psnr; +extern AVFilter ff_vf_pullup; +extern AVFilter ff_vf_qp; +extern AVFilter ff_vf_random; +extern AVFilter ff_vf_readeia608; +extern AVFilter ff_vf_readvitc; +extern AVFilter ff_vf_realtime; +extern AVFilter ff_vf_remap; +extern AVFilter ff_vf_removegrain; +extern AVFilter ff_vf_removelogo; +extern AVFilter ff_vf_repeatfields; +extern AVFilter ff_vf_reverse; +extern AVFilter ff_vf_roberts; +extern AVFilter ff_vf_rotate; +extern AVFilter ff_vf_sab; +extern AVFilter ff_vf_scale; +extern AVFilter ff_vf_scale_cuda; +extern AVFilter ff_vf_scale_npp; +extern AVFilter ff_vf_scale_qsv; +extern AVFilter ff_vf_scale_vaapi; +extern AVFilter ff_vf_scale2ref; +extern AVFilter ff_vf_select; +extern AVFilter ff_vf_selectivecolor; +extern AVFilter ff_vf_sendcmd; +extern AVFilter ff_vf_separatefields; +extern AVFilter ff_vf_setdar; +extern AVFilter ff_vf_setfield; +extern AVFilter ff_vf_setpts; +extern AVFilter ff_vf_setrange; +extern AVFilter ff_vf_setsar; +extern AVFilter ff_vf_settb; +extern AVFilter ff_vf_sharpness_vaapi; +extern AVFilter ff_vf_showinfo; +extern AVFilter ff_vf_showpalette; +extern AVFilter ff_vf_shuffleframes; +extern AVFilter ff_vf_shuffleplanes; +extern AVFilter ff_vf_sidedata; +extern AVFilter ff_vf_signalstats; +extern AVFilter ff_vf_signature; +extern AVFilter ff_vf_smartblur; +extern AVFilter ff_vf_sobel; +extern AVFilter ff_vf_split; +extern AVFilter ff_vf_spp; +extern AVFilter ff_vf_ssim; +extern AVFilter ff_vf_stereo3d; +extern AVFilter ff_vf_streamselect; +extern AVFilter ff_vf_subtitles; +extern AVFilter ff_vf_super2xsai; +extern AVFilter ff_vf_swaprect; +extern AVFilter ff_vf_swapuv; +extern AVFilter ff_vf_tblend; +extern AVFilter ff_vf_telecine; +extern AVFilter ff_vf_threshold; +extern AVFilter ff_vf_thumbnail; +extern AVFilter ff_vf_thumbnail_cuda; +extern AVFilter ff_vf_tile; +extern AVFilter ff_vf_tinterlace; +extern AVFilter ff_vf_tlut2; +extern AVFilter ff_vf_tonemap; +extern AVFilter ff_vf_transpose; +extern AVFilter ff_vf_trim; +extern AVFilter ff_vf_unpremultiply; +extern AVFilter ff_vf_unsharp; +extern AVFilter ff_vf_unsharp_opencl; +extern AVFilter ff_vf_uspp; +extern AVFilter ff_vf_vaguedenoiser; +extern AVFilter ff_vf_vectorscope; +extern AVFilter ff_vf_vflip; +extern AVFilter ff_vf_vidstabdetect; +extern AVFilter ff_vf_vidstabtransform; +extern AVFilter ff_vf_vignette; +extern AVFilter ff_vf_vmafmotion; +extern AVFilter ff_vf_vpp_qsv; +extern AVFilter ff_vf_vstack; +extern AVFilter ff_vf_w3fdif; +extern AVFilter ff_vf_waveform; +extern AVFilter ff_vf_weave; +extern AVFilter ff_vf_xbr; +extern AVFilter ff_vf_yadif; +extern AVFilter ff_vf_zmq; +extern AVFilter ff_vf_zoompan; +extern AVFilter ff_vf_zscale; + +extern AVFilter ff_vsrc_allrgb; +extern AVFilter ff_vsrc_allyuv; +extern AVFilter ff_vsrc_cellauto; +extern AVFilter ff_vsrc_color; +extern AVFilter ff_vsrc_coreimagesrc; +extern AVFilter ff_vsrc_frei0r_src; +extern AVFilter ff_vsrc_haldclutsrc; +extern AVFilter ff_vsrc_life; +extern AVFilter ff_vsrc_mandelbrot; +extern AVFilter ff_vsrc_mptestsrc; +extern AVFilter ff_vsrc_nullsrc; +extern AVFilter ff_vsrc_openclsrc; +extern AVFilter ff_vsrc_rgbtestsrc; +extern AVFilter ff_vsrc_smptebars; +extern AVFilter ff_vsrc_smptehdbars; +extern AVFilter ff_vsrc_testsrc; +extern AVFilter ff_vsrc_testsrc2; +extern AVFilter ff_vsrc_yuvtestsrc; + +extern AVFilter ff_vsink_nullsink; + +/* multimedia filters */ +extern AVFilter ff_avf_abitscope; +extern AVFilter ff_avf_adrawgraph; +extern AVFilter ff_avf_ahistogram; +extern AVFilter ff_avf_aphasemeter; +extern AVFilter ff_avf_avectorscope; +extern AVFilter ff_avf_concat; +extern AVFilter ff_avf_showcqt; +extern AVFilter ff_avf_showfreqs; +extern AVFilter ff_avf_showspectrum; +extern AVFilter ff_avf_showspectrumpic; +extern AVFilter ff_avf_showvolume; +extern AVFilter ff_avf_showwaves; +extern AVFilter ff_avf_showwavespic; +extern AVFilter ff_vaf_spectrumsynth; -static void register_all(void) +/* multimedia sources */ +extern AVFilter ff_avsrc_amovie; +extern AVFilter ff_avsrc_movie; + +/* those filters are part of public or internal API, + * they are formatted to not be found by the grep + * as they are manually added again (due to their 'names' + * being the same while having different 'types'). */ +extern AVFilter ff_asrc_abuffer; +extern AVFilter ff_vsrc_buffer; +extern AVFilter ff_asink_abuffer; +extern AVFilter ff_vsink_buffer; +extern AVFilter ff_af_afifo; +extern AVFilter ff_vf_fifo; + +#include "libavfilter/filter_list.c" + + +const AVFilter *av_filter_iterate(void **opaque) { - REGISTER_FILTER(ABENCH, abench, af); - REGISTER_FILTER(ACOMPRESSOR, acompressor, af); - REGISTER_FILTER(ACONTRAST, acontrast, af); - REGISTER_FILTER(ACOPY, acopy, af); - REGISTER_FILTER(ACROSSFADE, acrossfade, af); - REGISTER_FILTER(ACRUSHER, acrusher, af); - REGISTER_FILTER(ADELAY, adelay, af); - REGISTER_FILTER(AECHO, aecho, af); - REGISTER_FILTER(AEMPHASIS, aemphasis, af); - REGISTER_FILTER(AEVAL, aeval, af); - REGISTER_FILTER(AFADE, afade, af); - REGISTER_FILTER(AFFTFILT, afftfilt, af); - REGISTER_FILTER(AFIR, afir, af); - REGISTER_FILTER(AFORMAT, aformat, af); - REGISTER_FILTER(AGATE, agate, af); - REGISTER_FILTER(AIIR, aiir, af); - REGISTER_FILTER(AINTERLEAVE, ainterleave, af); - REGISTER_FILTER(ALIMITER, alimiter, af); - REGISTER_FILTER(ALLPASS, allpass, af); - REGISTER_FILTER(ALOOP, aloop, af); - REGISTER_FILTER(AMERGE, amerge, af); - REGISTER_FILTER(AMETADATA, ametadata, af); - REGISTER_FILTER(AMIX, amix, af); - REGISTER_FILTER(ANEQUALIZER, anequalizer, af); - REGISTER_FILTER(ANULL, anull, af); - REGISTER_FILTER(APAD, apad, af); - REGISTER_FILTER(APERMS, aperms, af); - REGISTER_FILTER(APHASER, aphaser, af); - REGISTER_FILTER(APULSATOR, apulsator, af); - REGISTER_FILTER(AREALTIME, arealtime, af); - REGISTER_FILTER(ARESAMPLE, aresample, af); - REGISTER_FILTER(AREVERSE, areverse, af); - REGISTER_FILTER(ASELECT, aselect, af); - REGISTER_FILTER(ASENDCMD, asendcmd, af); - REGISTER_FILTER(ASETNSAMPLES, asetnsamples, af); - REGISTER_FILTER(ASETPTS, asetpts, af); - REGISTER_FILTER(ASETRATE, asetrate, af); - REGISTER_FILTER(ASETTB, asettb, af); - REGISTER_FILTER(ASHOWINFO, ashowinfo, af); - REGISTER_FILTER(ASIDEDATA, asidedata, af); - REGISTER_FILTER(ASPLIT, asplit, af); - REGISTER_FILTER(ASTATS, astats, af); - REGISTER_FILTER(ASTREAMSELECT, astreamselect, af); - REGISTER_FILTER(ATEMPO, atempo, af); - REGISTER_FILTER(ATRIM, atrim, af); - REGISTER_FILTER(AZMQ, azmq, af); - REGISTER_FILTER(BANDPASS, bandpass, af); - REGISTER_FILTER(BANDREJECT, bandreject, af); - REGISTER_FILTER(BASS, bass, af); - REGISTER_FILTER(BIQUAD, biquad, af); - REGISTER_FILTER(BS2B, bs2b, af); - REGISTER_FILTER(CHANNELMAP, channelmap, af); - REGISTER_FILTER(CHANNELSPLIT, channelsplit, af); - REGISTER_FILTER(CHORUS, chorus, af); - REGISTER_FILTER(COMPAND, compand, af); - REGISTER_FILTER(COMPENSATIONDELAY, compensationdelay, af); - REGISTER_FILTER(CROSSFEED, crossfeed, af); - REGISTER_FILTER(CRYSTALIZER, crystalizer, af); - REGISTER_FILTER(DCSHIFT, dcshift, af); - REGISTER_FILTER(DRMETER, drmeter, af); - REGISTER_FILTER(DYNAUDNORM, dynaudnorm, af); - REGISTER_FILTER(EARWAX, earwax, af); - REGISTER_FILTER(EBUR128, ebur128, af); - REGISTER_FILTER(EQUALIZER, equalizer, af); - REGISTER_FILTER(EXTRASTEREO, extrastereo, af); - REGISTER_FILTER(FIREQUALIZER, firequalizer, af); - REGISTER_FILTER(FLANGER, flanger, af); - REGISTER_FILTER(HAAS, haas, af); - REGISTER_FILTER(HDCD, hdcd, af); - REGISTER_FILTER(HEADPHONE, headphone, af); - REGISTER_FILTER(HIGHPASS, highpass, af); - REGISTER_FILTER(JOIN, join, af); - REGISTER_FILTER(LADSPA, ladspa, af); - REGISTER_FILTER(LOUDNORM, loudnorm, af); - REGISTER_FILTER(LOWPASS, lowpass, af); - REGISTER_FILTER(LV2, lv2, af); - REGISTER_FILTER(MCOMPAND, mcompand, af); - REGISTER_FILTER(PAN, pan, af); - REGISTER_FILTER(REPLAYGAIN, replaygain, af); - REGISTER_FILTER(RESAMPLE, resample, af); - REGISTER_FILTER(RUBBERBAND, rubberband, af); - REGISTER_FILTER(SIDECHAINCOMPRESS, sidechaincompress, af); - REGISTER_FILTER(SIDECHAINGATE, sidechaingate, af); - REGISTER_FILTER(SILENCEDETECT, silencedetect, af); - REGISTER_FILTER(SILENCEREMOVE, silenceremove, af); - REGISTER_FILTER(SOFALIZER, sofalizer, af); - REGISTER_FILTER(STEREOTOOLS, stereotools, af); - REGISTER_FILTER(STEREOWIDEN, stereowiden, af); - REGISTER_FILTER(SUPEREQUALIZER, superequalizer, af); - REGISTER_FILTER(SURROUND, surround, af); - REGISTER_FILTER(TREBLE, treble, af); - REGISTER_FILTER(TREMOLO, tremolo, af); - REGISTER_FILTER(VIBRATO, vibrato, af); - REGISTER_FILTER(VOLUME, volume, af); - REGISTER_FILTER(VOLUMEDETECT, volumedetect, af); + uintptr_t i = (uintptr_t)*opaque; + const AVFilter *f = filter_list[i]; + + if (f) + *opaque = (void*)(i + 1); - REGISTER_FILTER(AEVALSRC, aevalsrc, asrc); - REGISTER_FILTER(ANOISESRC, anoisesrc, asrc); - REGISTER_FILTER(ANULLSRC, anullsrc, asrc); - REGISTER_FILTER(FLITE, flite, asrc); - REGISTER_FILTER(HILBERT, hilbert, asrc); - REGISTER_FILTER(SINE, sine, asrc); + return f; +} - REGISTER_FILTER(ANULLSINK, anullsink, asink); +const AVFilter *avfilter_get_by_name(const char *name) +{ + const AVFilter *f = NULL; + void *opaque = 0; - REGISTER_FILTER(ALPHAEXTRACT, alphaextract, vf); - REGISTER_FILTER(ALPHAMERGE, alphamerge, vf); - REGISTER_FILTER(ASS, ass, vf); - REGISTER_FILTER(ATADENOISE, atadenoise, vf); - REGISTER_FILTER(AVGBLUR, avgblur, vf); - REGISTER_FILTER(AVGBLUR_OPENCL, avgblur_opencl, vf); - REGISTER_FILTER(BBOX, bbox, vf); - REGISTER_FILTER(BENCH, bench, vf); - REGISTER_FILTER(BITPLANENOISE, bitplanenoise, vf); - REGISTER_FILTER(BLACKDETECT, blackdetect, vf); - REGISTER_FILTER(BLACKFRAME, blackframe, vf); - REGISTER_FILTER(BLEND, blend, vf); - REGISTER_FILTER(BOXBLUR, boxblur, vf); - REGISTER_FILTER(BWDIF, bwdif, vf); - REGISTER_FILTER(CHROMAKEY, chromakey, vf); - REGISTER_FILTER(CIESCOPE, ciescope, vf); - REGISTER_FILTER(CODECVIEW, codecview, vf); - REGISTER_FILTER(COLORBALANCE, colorbalance, vf); - REGISTER_FILTER(COLORCHANNELMIXER, colorchannelmixer, vf); - REGISTER_FILTER(COLORKEY, colorkey, vf); - REGISTER_FILTER(COLORLEVELS, colorlevels, vf); - REGISTER_FILTER(COLORMATRIX, colormatrix, vf); - REGISTER_FILTER(COLORSPACE, colorspace, vf); - REGISTER_FILTER(CONVOLUTION, convolution, vf); - REGISTER_FILTER(CONVOLVE, convolve, vf); - REGISTER_FILTER(COPY, copy, vf); - REGISTER_FILTER(COREIMAGE, coreimage, vf); - REGISTER_FILTER(COVER_RECT, cover_rect, vf); - REGISTER_FILTER(CROP, crop, vf); - REGISTER_FILTER(CROPDETECT, cropdetect, vf); - REGISTER_FILTER(CURVES, curves, vf); - REGISTER_FILTER(DATASCOPE, datascope, vf); - REGISTER_FILTER(DCTDNOIZ, dctdnoiz, vf); - REGISTER_FILTER(DEBAND, deband, vf); - REGISTER_FILTER(DECIMATE, decimate, vf); - REGISTER_FILTER(DECONVOLVE, deconvolve, vf); - REGISTER_FILTER(DEFLATE, deflate, vf); - REGISTER_FILTER(DEFLICKER, deflicker, vf); - REGISTER_FILTER(DEINTERLACE_QSV,deinterlace_qsv,vf); - REGISTER_FILTER(DEINTERLACE_VAAPI, deinterlace_vaapi, vf); - REGISTER_FILTER(DEJUDDER, dejudder, vf); - REGISTER_FILTER(DELOGO, delogo, vf); - REGISTER_FILTER(DENOISE_VAAPI, denoise_vaapi, vf); - REGISTER_FILTER(DESHAKE, deshake, vf); - REGISTER_FILTER(DESPILL, despill, vf); - REGISTER_FILTER(DETELECINE, detelecine, vf); - REGISTER_FILTER(DILATION, dilation, vf); - REGISTER_FILTER(DISPLACE, displace, vf); - REGISTER_FILTER(DOUBLEWEAVE, doubleweave, vf); - REGISTER_FILTER(DRAWBOX, drawbox, vf); - REGISTER_FILTER(DRAWGRAPH, drawgraph, vf); - REGISTER_FILTER(DRAWGRID, drawgrid, vf); - REGISTER_FILTER(DRAWTEXT, drawtext, vf); - REGISTER_FILTER(EDGEDETECT, edgedetect, vf); - REGISTER_FILTER(ELBG, elbg, vf); - REGISTER_FILTER(ENTROPY, entropy, vf); - REGISTER_FILTER(EQ, eq, vf); - REGISTER_FILTER(EROSION, erosion, vf); - REGISTER_FILTER(EXTRACTPLANES, extractplanes, vf); - REGISTER_FILTER(FADE, fade, vf); - REGISTER_FILTER(FFTFILT, fftfilt, vf); - REGISTER_FILTER(FIELD, field, vf); - REGISTER_FILTER(FIELDHINT, fieldhint, vf); - REGISTER_FILTER(FIELDMATCH, fieldmatch, vf); - REGISTER_FILTER(FIELDORDER, fieldorder, vf); - REGISTER_FILTER(FILLBORDERS, fillborders, vf); - REGISTER_FILTER(FIND_RECT, find_rect, vf); - REGISTER_FILTER(FLOODFILL, floodfill, vf); - REGISTER_FILTER(FORMAT, format, vf); - REGISTER_FILTER(FPS, fps, vf); - REGISTER_FILTER(FRAMEPACK, framepack, vf); - REGISTER_FILTER(FRAMERATE, framerate, vf); - REGISTER_FILTER(FRAMESTEP, framestep, vf); - REGISTER_FILTER(FREI0R, frei0r, vf); - REGISTER_FILTER(FSPP, fspp, vf); - REGISTER_FILTER(GBLUR, gblur, vf); - REGISTER_FILTER(GEQ, geq, vf); - REGISTER_FILTER(GRADFUN, gradfun, vf); - REGISTER_FILTER(HALDCLUT, haldclut, vf); - REGISTER_FILTER(HFLIP, hflip, vf); - REGISTER_FILTER(HISTEQ, histeq, vf); - REGISTER_FILTER(HISTOGRAM, histogram, vf); - REGISTER_FILTER(HQDN3D, hqdn3d, vf); - REGISTER_FILTER(HQX, hqx, vf); - REGISTER_FILTER(HSTACK, hstack, vf); - REGISTER_FILTER(HUE, hue, vf); - REGISTER_FILTER(HWDOWNLOAD, hwdownload, vf); - REGISTER_FILTER(HWMAP, hwmap, vf); - REGISTER_FILTER(HWUPLOAD, hwupload, vf); - REGISTER_FILTER(HWUPLOAD_CUDA, hwupload_cuda, vf); - REGISTER_FILTER(HYSTERESIS, hysteresis, vf); - REGISTER_FILTER(IDET, idet, vf); - REGISTER_FILTER(IL, il, vf); - REGISTER_FILTER(INFLATE, inflate, vf); - REGISTER_FILTER(INTERLACE, interlace, vf); - REGISTER_FILTER(INTERLEAVE, interleave, vf); - REGISTER_FILTER(KERNDEINT, kerndeint, vf); - REGISTER_FILTER(LENSCORRECTION, lenscorrection, vf); - REGISTER_FILTER(LIBVMAF, libvmaf, vf); - REGISTER_FILTER(LIMITER, limiter, vf); - REGISTER_FILTER(LOOP, loop, vf); - REGISTER_FILTER(LUMAKEY, lumakey, vf); - REGISTER_FILTER(LUT, lut, vf); - REGISTER_FILTER(LUT2, lut2, vf); - REGISTER_FILTER(LUT3D, lut3d, vf); - REGISTER_FILTER(LUTRGB, lutrgb, vf); - REGISTER_FILTER(LUTYUV, lutyuv, vf); - REGISTER_FILTER(MASKEDCLAMP, maskedclamp, vf); - REGISTER_FILTER(MASKEDMERGE, maskedmerge, vf); - REGISTER_FILTER(MCDEINT, mcdeint, vf); - REGISTER_FILTER(MERGEPLANES, mergeplanes, vf); - REGISTER_FILTER(MESTIMATE, mestimate, vf); - REGISTER_FILTER(METADATA, metadata, vf); - REGISTER_FILTER(MIDEQUALIZER, midequalizer, vf); - REGISTER_FILTER(MINTERPOLATE, minterpolate, vf); - REGISTER_FILTER(MIX, mix, vf); - REGISTER_FILTER(MPDECIMATE, mpdecimate, vf); - REGISTER_FILTER(NEGATE, negate, vf); - REGISTER_FILTER(NLMEANS, nlmeans, vf); - REGISTER_FILTER(NNEDI, nnedi, vf); - REGISTER_FILTER(NOFORMAT, noformat, vf); - REGISTER_FILTER(NOISE, noise, vf); - REGISTER_FILTER(NORMALIZE, normalize, vf); - REGISTER_FILTER(NULL, null, vf); - REGISTER_FILTER(OCR, ocr, vf); - REGISTER_FILTER(OCV, ocv, vf); - REGISTER_FILTER(OSCILLOSCOPE, oscilloscope, vf); - REGISTER_FILTER(OVERLAY, overlay, vf); - REGISTER_FILTER(OVERLAY_OPENCL, overlay_opencl, vf); - REGISTER_FILTER(OVERLAY_QSV, overlay_qsv, vf); - REGISTER_FILTER(OWDENOISE, owdenoise, vf); - REGISTER_FILTER(PAD, pad, vf); - REGISTER_FILTER(PALETTEGEN, palettegen, vf); - REGISTER_FILTER(PALETTEUSE, paletteuse, vf); - REGISTER_FILTER(PERMS, perms, vf); - REGISTER_FILTER(PERSPECTIVE, perspective, vf); - REGISTER_FILTER(PHASE, phase, vf); - REGISTER_FILTER(PIXDESCTEST, pixdesctest, vf); - REGISTER_FILTER(PIXSCOPE, pixscope, vf); - REGISTER_FILTER(PP, pp, vf); - REGISTER_FILTER(PP7, pp7, vf); - REGISTER_FILTER(PREMULTIPLY, premultiply, vf); - REGISTER_FILTER(PREWITT, prewitt, vf); - REGISTER_FILTER(PROCAMP_VAAPI, procamp_vaapi, vf); - REGISTER_FILTER(PROGRAM_OPENCL, program_opencl, vf); - REGISTER_FILTER(PSEUDOCOLOR, pseudocolor, vf); - REGISTER_FILTER(PSNR, psnr, vf); - REGISTER_FILTER(PULLUP, pullup, vf); - REGISTER_FILTER(QP, qp, vf); - REGISTER_FILTER(RANDOM, random, vf); - REGISTER_FILTER(READEIA608, readeia608, vf); - REGISTER_FILTER(READVITC, readvitc, vf); - REGISTER_FILTER(REALTIME, realtime, vf); - REGISTER_FILTER(REMAP, remap, vf); - REGISTER_FILTER(REMOVEGRAIN, removegrain, vf); - REGISTER_FILTER(REMOVELOGO, removelogo, vf); - REGISTER_FILTER(REPEATFIELDS, repeatfields, vf); - REGISTER_FILTER(REVERSE, reverse, vf); - REGISTER_FILTER(ROBERTS, roberts, vf); - REGISTER_FILTER(ROTATE, rotate, vf); - REGISTER_FILTER(SAB, sab, vf); - REGISTER_FILTER(SCALE, scale, vf); - REGISTER_FILTER(SCALE_CUDA, scale_cuda, vf); - REGISTER_FILTER(SCALE_NPP, scale_npp, vf); - REGISTER_FILTER(SCALE_QSV, scale_qsv, vf); - REGISTER_FILTER(SCALE_VAAPI, scale_vaapi, vf); - REGISTER_FILTER(SCALE2REF, scale2ref, vf); - REGISTER_FILTER(SELECT, select, vf); - REGISTER_FILTER(SELECTIVECOLOR, selectivecolor, vf); - REGISTER_FILTER(SENDCMD, sendcmd, vf); - REGISTER_FILTER(SEPARATEFIELDS, separatefields, vf); - REGISTER_FILTER(SETDAR, setdar, vf); - REGISTER_FILTER(SETFIELD, setfield, vf); - REGISTER_FILTER(SETPTS, setpts, vf); - REGISTER_FILTER(SETRANGE, setrange, vf); - REGISTER_FILTER(SETSAR, setsar, vf); - REGISTER_FILTER(SETTB, settb, vf); - REGISTER_FILTER(SHARPNESS_VAAPI, sharpness_vaapi, vf); - REGISTER_FILTER(SHOWINFO, showinfo, vf); - REGISTER_FILTER(SHOWPALETTE, showpalette, vf); - REGISTER_FILTER(SHUFFLEFRAMES, shuffleframes, vf); - REGISTER_FILTER(SHUFFLEPLANES, shuffleplanes, vf); - REGISTER_FILTER(SIDEDATA, sidedata, vf); - REGISTER_FILTER(SIGNALSTATS, signalstats, vf); - REGISTER_FILTER(SIGNATURE, signature, vf); - REGISTER_FILTER(SMARTBLUR, smartblur, vf); - REGISTER_FILTER(SOBEL, sobel, vf); - REGISTER_FILTER(SPLIT, split, vf); - REGISTER_FILTER(SPP, spp, vf); - REGISTER_FILTER(SSIM, ssim, vf); - REGISTER_FILTER(STEREO3D, stereo3d, vf); - REGISTER_FILTER(STREAMSELECT, streamselect, vf); - REGISTER_FILTER(SUBTITLES, subtitles, vf); - REGISTER_FILTER(SUPER2XSAI, super2xsai, vf); - REGISTER_FILTER(SWAPRECT, swaprect, vf); - REGISTER_FILTER(SWAPUV, swapuv, vf); - REGISTER_FILTER(TBLEND, tblend, vf); - REGISTER_FILTER(TELECINE, telecine, vf); - REGISTER_FILTER(THRESHOLD, threshold, vf); - REGISTER_FILTER(THUMBNAIL, thumbnail, vf); - REGISTER_FILTER(THUMBNAIL_CUDA, thumbnail_cuda, vf); - REGISTER_FILTER(TILE, tile, vf); - REGISTER_FILTER(TINTERLACE, tinterlace, vf); - REGISTER_FILTER(TLUT2, tlut2, vf); - REGISTER_FILTER(TONEMAP, tonemap, vf); - REGISTER_FILTER(TRANSPOSE, transpose, vf); - REGISTER_FILTER(TRIM, trim, vf); - REGISTER_FILTER(UNPREMULTIPLY, unpremultiply, vf); - REGISTER_FILTER(UNSHARP, unsharp, vf); - REGISTER_FILTER(UNSHARP_OPENCL, unsharp_opencl, vf); - REGISTER_FILTER(USPP, uspp, vf); - REGISTER_FILTER(VAGUEDENOISER, vaguedenoiser, vf); - REGISTER_FILTER(VECTORSCOPE, vectorscope, vf); - REGISTER_FILTER(VFLIP, vflip, vf); - REGISTER_FILTER(VIDSTABDETECT, vidstabdetect, vf); - REGISTER_FILTER(VIDSTABTRANSFORM, vidstabtransform, vf); - REGISTER_FILTER(VIGNETTE, vignette, vf); - REGISTER_FILTER(VMAFMOTION, vmafmotion, vf); - REGISTER_FILTER(VPP_QSV, vpp_qsv, vf); - REGISTER_FILTER(VSTACK, vstack, vf); - REGISTER_FILTER(W3FDIF, w3fdif, vf); - REGISTER_FILTER(WAVEFORM, waveform, vf); - REGISTER_FILTER(WEAVE, weave, vf); - REGISTER_FILTER(XBR, xbr, vf); - REGISTER_FILTER(YADIF, yadif, vf); - REGISTER_FILTER(ZMQ, zmq, vf); - REGISTER_FILTER(ZOOMPAN, zoompan, vf); - REGISTER_FILTER(ZSCALE, zscale, vf); + if (!name) + return NULL; - REGISTER_FILTER(ALLRGB, allrgb, vsrc); - REGISTER_FILTER(ALLYUV, allyuv, vsrc); - REGISTER_FILTER(CELLAUTO, cellauto, vsrc); - REGISTER_FILTER(COLOR, color, vsrc); - REGISTER_FILTER(COREIMAGESRC, coreimagesrc, vsrc); - REGISTER_FILTER(FREI0R, frei0r_src, vsrc); - REGISTER_FILTER(HALDCLUTSRC, haldclutsrc, vsrc); - REGISTER_FILTER(LIFE, life, vsrc); - REGISTER_FILTER(MANDELBROT, mandelbrot, vsrc); - REGISTER_FILTER(MPTESTSRC, mptestsrc, vsrc); - REGISTER_FILTER(NULLSRC, nullsrc, vsrc); - REGISTER_FILTER(OPENCLSRC, openclsrc, vsrc); - REGISTER_FILTER(RGBTESTSRC, rgbtestsrc, vsrc); - REGISTER_FILTER(SMPTEBARS, smptebars, vsrc); - REGISTER_FILTER(SMPTEHDBARS, smptehdbars, vsrc); - REGISTER_FILTER(TESTSRC, testsrc, vsrc); - REGISTER_FILTER(TESTSRC2, testsrc2, vsrc); - REGISTER_FILTER(YUVTESTSRC, yuvtestsrc, vsrc); + while ((f = av_filter_iterate(&opaque))) + if (!strcmp(f->name, name)) + return (AVFilter *)f; - REGISTER_FILTER(NULLSINK, nullsink, vsink); + return NULL; +} - /* multimedia filters */ - REGISTER_FILTER(ABITSCOPE, abitscope, avf); - REGISTER_FILTER(ADRAWGRAPH, adrawgraph, avf); - REGISTER_FILTER(AHISTOGRAM, ahistogram, avf); - REGISTER_FILTER(APHASEMETER, aphasemeter, avf); - REGISTER_FILTER(AVECTORSCOPE, avectorscope, avf); - REGISTER_FILTER(CONCAT, concat, avf); - REGISTER_FILTER(SHOWCQT, showcqt, avf); - REGISTER_FILTER(SHOWFREQS, showfreqs, avf); - REGISTER_FILTER(SHOWSPECTRUM, showspectrum, avf); - REGISTER_FILTER(SHOWSPECTRUMPIC, showspectrumpic, avf); - REGISTER_FILTER(SHOWVOLUME, showvolume, avf); - REGISTER_FILTER(SHOWWAVES, showwaves, avf); - REGISTER_FILTER(SHOWWAVESPIC, showwavespic, avf); - REGISTER_FILTER(SPECTRUMSYNTH, spectrumsynth, vaf); - /* multimedia sources */ - REGISTER_FILTER(AMOVIE, amovie, avsrc); - REGISTER_FILTER(MOVIE, movie, avsrc); +#if FF_API_NEXT +FF_DISABLE_DEPRECATION_WARNINGS +static AVOnce av_filter_next_init = AV_ONCE_INIT; - /* those filters are part of public or internal API => registered - * unconditionally */ - REGISTER_FILTER_UNCONDITIONAL(asrc_abuffer); - REGISTER_FILTER_UNCONDITIONAL(vsrc_buffer); - REGISTER_FILTER_UNCONDITIONAL(asink_abuffer); - REGISTER_FILTER_UNCONDITIONAL(vsink_buffer); - REGISTER_FILTER_UNCONDITIONAL(af_afifo); - REGISTER_FILTER_UNCONDITIONAL(vf_fifo); +static void av_filter_init_next(void) +{ + AVFilter *prev = NULL, *p; + void *i = 0; + while ((p = (AVFilter*)av_filter_iterate(&i))) { + if (prev) + prev->next = p; + prev = p; + } } void avfilter_register_all(void) { - static AVOnce control = AV_ONCE_INIT; + ff_thread_once(&av_filter_next_init, av_filter_init_next); +} + +int avfilter_register(AVFilter *filter) +{ + ff_thread_once(&av_filter_next_init, av_filter_init_next); + + return 0; +} + +const AVFilter *avfilter_next(const AVFilter *prev) +{ + ff_thread_once(&av_filter_next_init, av_filter_init_next); - ff_thread_once(&control, register_all); + return prev ? prev->next : filter_list[0]; } + +FF_ENABLE_DEPRECATION_WARNINGS +#endif diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c index 7553f7c36a..ed8161136c 100644 --- a/libavfilter/avfilter.c +++ b/libavfilter/avfilter.c @@ -575,51 +575,6 @@ int avfilter_process_command(AVFilterContext *filter, const char *cmd, const cha return AVERROR(ENOSYS); } -static AVFilter *first_filter; -static AVFilter **last_filter = &first_filter; - -const AVFilter *avfilter_get_by_name(const char *name) -{ - const AVFilter *f = NULL; - - if (!name) - return NULL; - - while ((f = avfilter_next(f))) - if (!strcmp(f->name, name)) - return (AVFilter *)f; - - return NULL; -} - -static AVMutex filter_register_mutex = AV_MUTEX_INITIALIZER; - -int avfilter_register(AVFilter *filter) -{ - AVFilter **f; - - /* the filter must select generic or internal exclusively */ - av_assert0((filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE) != AVFILTER_FLAG_SUPPORT_TIMELINE); - - ff_mutex_lock(&filter_register_mutex); - f = last_filter; - - while (*f) - f = &(*f)->next; - *f = filter; - filter->next = NULL; - last_filter = &filter->next; - - ff_mutex_unlock(&filter_register_mutex); - - return 0; -} - -const AVFilter *avfilter_next(const AVFilter *prev) -{ - return prev ? prev->next : first_filter; -} - int avfilter_pad_count(const AVFilterPad *pads) { int count; @@ -648,10 +603,11 @@ static void *filter_child_next(void *obj, void *prev) static const AVClass *filter_child_class_next(const AVClass *prev) { + void *opaque = NULL; const AVFilter *f = NULL; /* find the filter that corresponds to prev */ - while (prev && (f = avfilter_next(f))) + while (prev && (f = av_filter_iterate(&opaque))) if (f->priv_class == prev) break; @@ -660,7 +616,7 @@ static const AVClass *filter_child_class_next(const AVClass *prev) return NULL; /* find next filter with specific options */ - while ((f = avfilter_next(f))) + while ((f = av_filter_iterate(&opaque))) if (f->priv_class) return f->priv_class; diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h index 2d1195eeeb..9d70e7118b 100644 --- a/libavfilter/avfilter.h +++ b/libavfilter/avfilter.h @@ -697,7 +697,20 @@ int avfilter_config_links(AVFilterContext *filter); */ int avfilter_process_command(AVFilterContext *filter, const char *cmd, const char *arg, char *res, int res_len, int flags); +/** + * Iterate over all registered filters. + * + * @param opaque a pointer where libavfilter will store the iteration state. Must + * point to NULL to start the iteration. + * + * @return the next registered filter or NULL when the iteration is + * finished + */ +const AVFilter *av_filter_iterate(void **opaque); + +#if FF_API_NEXT /** Initialize the filter system. Register all builtin filters. */ +attribute_deprecated void avfilter_register_all(void); /** @@ -710,8 +723,18 @@ void avfilter_register_all(void); * @return 0 if the registration was successful, a negative value * otherwise */ +attribute_deprecated int avfilter_register(AVFilter *filter); +/** + * Iterate over all registered filters. + * @return If prev is non-NULL, next registered filter after prev or NULL if + * prev is the last filter. If prev is NULL, return the first registered filter. + */ +attribute_deprecated +const AVFilter *avfilter_next(const AVFilter *prev); +#endif + /** * Get a filter definition matching the given name. * @@ -721,12 +744,6 @@ int avfilter_register(AVFilter *filter); */ const AVFilter *avfilter_get_by_name(const char *name); -/** - * Iterate over all registered filters. - * @return If prev is non-NULL, next registered filter after prev or NULL if - * prev is the last filter. If prev is NULL, return the first registered filter. - */ -const AVFilter *avfilter_next(const AVFilter *prev); /** * Initialize a filter with the supplied parameters. diff --git a/libavfilter/version.h b/libavfilter/version.h index babb4187b4..8d77a500bf 100644 --- a/libavfilter/version.h +++ b/libavfilter/version.h @@ -58,5 +58,8 @@ #ifndef FF_API_FILTER_GET_SET #define FF_API_FILTER_GET_SET (LIBAVFILTER_VERSION_MAJOR < 8) #endif +#ifndef FF_API_NEXT +#define FF_API_NEXT (LIBAVFILTER_VERSION_MAJOR < 8) +#endif #endif /* AVFILTER_VERSION_H */