avcodec/g722dec: use init_get_bits8()
[ffmpeg.git] / configure
index 14aa311..2205751 100755 (executable)
--- a/configure
+++ b/configure
@@ -226,6 +226,7 @@ External library support:
   --enable-libcelt         enable CELT decoding via libcelt [no]
   --enable-libcdio         enable audio CD grabbing with libcdio [no]
   --enable-libcodec2       enable codec2 en/decoding using libcodec2 [no]
+  --enable-libdav1d        enable AV1 decoding via libdav1d [no]
   --enable-libdavs2        enable AVS2 decoding via libdavs2 [no]
   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
                            and libraw1394 [no]
@@ -379,7 +380,7 @@ Toolchain options:
   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
   --host-ld=HOSTLD         use host linker HOSTLD
   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
-  --host-libs=HLIBS        use libs HLIBS when linking for host
+  --host-extralibs=HLIBS   use libs HLIBS when linking for host
   --host-os=OS             compiler host OS [$target_os]
   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
@@ -472,7 +473,7 @@ Developer options (useful when working on FFmpeg itself):
   --random-seed=VALUE      seed value for --enable/disable-random
   --disable-valgrind-backtrace do not print a backtrace under Valgrind
                            (only applies to --disable-optimizations builds)
-  --enable-osfuzz          Enable building fuzzer tool
+  --enable-ossfuzz         Enable building fuzzer tool
   --libfuzzer=PATH         path to libfuzzer
   --ignore-tests=TESTS     comma-separated list (without "fate-" prefix
                            in the name) of tests whose result is ignored
@@ -1712,6 +1713,7 @@ EXTERNAL_LIBRARY_LIST="
     libcaca
     libcelt
     libcodec2
+    libdav1d
     libdc1394
     libdrm
     libflite
@@ -2271,8 +2273,10 @@ CONFIG_EXTRA="
     bswapdsp
     cabac
     cbs
+    cbs_av1
     cbs_h264
     cbs_h265
+    cbs_jpeg
     cbs_mpeg2
     cbs_vp9
     dirac_parse
@@ -2333,6 +2337,7 @@ CONFIG_EXTRA="
     rtpdec
     rtpenc_chain
     rv34dsp
+    scene_sad
     sinewin
     snappy
     srtp
@@ -2431,6 +2436,7 @@ CMDLINE_SET="
     tempprefix
     toolchain
     valgrind
+    windres
     x86asmexe
 "
 
@@ -2534,8 +2540,10 @@ w32threads_deps="atomics_native"
 threads_if_any="$THREADS_LIST"
 
 # subsystems
+cbs_av1_select="cbs"
 cbs_h264_select="cbs golomb"
 cbs_h265_select="cbs golomb"
+cbs_jpeg_select="cbs"
 cbs_mpeg2_select="cbs"
 cbs_vp9_select="cbs"
 dct_select="rdft"
@@ -2742,6 +2750,7 @@ sonic_decoder_select="golomb rangecoder"
 sonic_encoder_select="golomb rangecoder"
 sonic_ls_encoder_select="golomb rangecoder"
 sp5x_decoder_select="mjpeg_decoder"
+speedhq_decoder_select="mpegvideo"
 srgc_decoder_deps="zlib"
 svq1_decoder_select="hpeldsp"
 svq1_encoder_select="hpeldsp me_cmp mpegvideoenc"
@@ -2807,6 +2816,7 @@ d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
 ffnvcodec_deps_any="libdl LoadLibrary"
 nvdec_deps="ffnvcodec"
+vaapi_x11_deps="xlib"
 videotoolbox_hwaccel_deps="videotoolbox pthreads"
 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
 xvmc_deps="X11_extensions_XvMClib_h"
@@ -2895,7 +2905,7 @@ vc1_vdpau_hwaccel_deps="vdpau"
 vc1_vdpau_hwaccel_select="vc1_decoder"
 vp8_nvdec_hwaccel_deps="nvdec"
 vp8_nvdec_hwaccel_select="vp8_decoder"
-vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
+vp8_vaapi_hwaccel_deps="vaapi"
 vp8_vaapi_hwaccel_select="vp8_decoder"
 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
 vp9_d3d11va_hwaccel_select="vp9_decoder"
@@ -2950,9 +2960,9 @@ h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
 h264_qsv_encoder_select="qsvenc"
 h264_rkmpp_decoder_deps="rkmpp"
 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
-h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
+h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"
 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
 hevc_amf_encoder_deps="amf"
 hevc_cuvid_decoder_deps="cuvid"
@@ -2967,12 +2977,13 @@ hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
+hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"
 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
 mjpeg_cuvid_decoder_deps="cuvid"
 mjpeg_qsv_encoder_deps="libmfx"
 mjpeg_qsv_encoder_select="qsvenc"
 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
-mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
+mjpeg_vaapi_encoder_select="cbs_jpeg jpegtables vaapi_encode"
 mpeg1_cuvid_decoder_deps="cuvid"
 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
 mpeg2_crystalhd_decoder_select="crystalhd"
@@ -2981,7 +2992,6 @@ mpeg2_mmal_decoder_deps="mmal"
 mpeg2_mediacodec_decoder_deps="mediacodec"
 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
 mpeg2_qsv_encoder_select="qsvenc"
-mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
 mpeg4_crystalhd_decoder_select="crystalhd"
@@ -3017,6 +3027,7 @@ wmv3_crystalhd_decoder_select="crystalhd"
 
 # parsers
 aac_parser_select="adts_header"
+av1_parser_select="cbs_av1"
 h264_parser_select="golomb h264dsp h264parse"
 hevc_parser_select="hevcparse"
 mpegaudio_parser_select="mpegaudioheader"
@@ -3026,6 +3037,7 @@ vc1_parser_select="vc1dsp"
 
 # bitstream_filters
 aac_adtstoasc_bsf_select="adts_header"
+av1_metadata_bsf_select="cbs_av1"
 eac3_core_bsf_select="ac3_parser"
 filter_units_bsf_select="cbs"
 h264_metadata_bsf_deps="const_nan"
@@ -3035,6 +3047,7 @@ hevc_metadata_bsf_select="cbs_h265"
 mjpeg2jpeg_bsf_select="jpegtables"
 mpeg2_metadata_bsf_select="cbs_mpeg2"
 trace_headers_bsf_select="cbs"
+truehd_core_bsf_select="mlp_parser"
 vp9_metadata_bsf_select="cbs_vp9"
 
 # external libraries
@@ -3083,6 +3096,7 @@ libaom_av1_encoder_select="extract_extradata_bsf"
 libcelt_decoder_deps="libcelt"
 libcodec2_decoder_deps="libcodec2"
 libcodec2_encoder_deps="libcodec2"
+libdav1d_decoder_deps="libdav1d"
 libdavs2_decoder_deps="libdavs2"
 libfdk_aac_decoder_deps="libfdk_aac"
 libfdk_aac_encoder_deps="libfdk_aac"
@@ -3175,6 +3189,7 @@ image2_alias_pix_demuxer_select="image2_demuxer"
 image2_brender_pix_demuxer_select="image2_demuxer"
 ipod_muxer_select="mov_muxer"
 ismv_muxer_select="mov_muxer"
+ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf"
 matroska_audio_muxer_select="matroska_muxer"
 matroska_demuxer_select="iso_media riffdec"
 matroska_demuxer_suggest="bzlib lzo zlib"
@@ -3262,6 +3277,7 @@ libcdio_indev_deps="libcdio"
 libdc1394_indev_deps="libdc1394"
 openal_indev_deps="openal"
 opengl_outdev_deps="opengl"
+opengl_outdev_suggest="sdl2"
 oss_indev_deps_any="sys_soundcard_h"
 oss_outdev_deps_any="sys_soundcard_h"
 pulse_indev_deps="libpulse"
@@ -3338,6 +3354,8 @@ libssh_protocol_deps="libssh"
 libtls_conflict="openssl gnutls mbedtls"
 
 # filters
+afftdn_filter_deps="avcodec"
+afftdn_filter_select="fft"
 afftfilt_filter_deps="avcodec"
 afftfilt_filter_select="fft"
 afir_filter_deps="avcodec"
@@ -3350,6 +3368,8 @@ atempo_filter_select="rdft"
 avgblur_opencl_filter_deps="opencl"
 azmq_filter_deps="libzmq"
 blackframe_filter_deps="gpl"
+bm3d_filter_deps="avcodec"
+bm3d_filter_select="dct"
 boxblur_filter_deps="gpl"
 boxblur_opencl_filter_deps="opencl gpl"
 bs2b_filter_deps="libbs2b"
@@ -3368,7 +3388,7 @@ deconvolve_filter_select="fft"
 deinterlace_qsv_filter_deps="libmfx"
 deinterlace_vaapi_filter_deps="vaapi"
 delogo_filter_deps="gpl"
-denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
+denoise_vaapi_filter_deps="vaapi"
 deshake_filter_select="pixelutils"
 dilation_opencl_filter_deps="opencl"
 drawtext_filter_deps="libfreetype"
@@ -3384,7 +3404,8 @@ find_rect_filter_deps="avcodec avformat gpl"
 firequalizer_filter_deps="avcodec"
 firequalizer_filter_select="rdft"
 flite_filter_deps="libflite"
-framerate_filter_select="pixelutils"
+framerate_filter_select="scene_sad"
+freezedetect_filter_select="scene_sad"
 frei0r_filter_deps="frei0r libdl"
 frei0r_src_filter_deps="frei0r libdl"
 fspp_filter_deps="gpl"
@@ -3400,6 +3421,7 @@ mcdeint_filter_deps="avcodec gpl"
 movie_filter_deps="avcodec avformat"
 mpdecimate_filter_deps="gpl"
 mpdecimate_filter_select="pixelutils"
+minterpolate_filter_select="scene_sad"
 mptestsrc_filter_deps="gpl"
 negate_filter_deps="lut_filter"
 nnedi_filter_deps="gpl"
@@ -3416,7 +3438,7 @@ phase_filter_deps="gpl"
 pp7_filter_deps="gpl"
 pp_filter_deps="gpl postproc"
 prewitt_opencl_filter_deps="opencl"
-procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
+procamp_vaapi_filter_deps="vaapi"
 program_opencl_filter_deps="opencl"
 pullup_filter_deps="gpl"
 removelogo_filter_deps="avcodec avformat swscale"
@@ -3428,8 +3450,8 @@ sab_filter_deps="gpl swscale"
 scale2ref_filter_deps="swscale"
 scale_filter_deps="swscale"
 scale_qsv_filter_deps="libmfx"
-select_filter_select="pixelutils"
-sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
+select_filter_select="scene_sad"
+sharpness_vaapi_filter_deps="vaapi"
 showcqt_filter_deps="avcodec avformat swscale"
 showcqt_filter_suggest="libfontconfig libfreetype"
 showcqt_filter_select="fft"
@@ -3459,6 +3481,7 @@ tinterlace_merge_test_deps="tinterlace_filter"
 tinterlace_pad_test_deps="tinterlace_filter"
 tonemap_filter_deps="const_nan"
 tonemap_opencl_filter_deps="opencl const_nan"
+transpose_opencl_filter_deps="opencl"
 unsharp_opencl_filter_deps="opencl"
 uspp_filter_deps="gpl avcodec"
 vaguedenoiser_filter_deps="gpl"
@@ -3468,9 +3491,10 @@ libvmaf_filter_deps="libvmaf pthreads"
 zmq_filter_deps="libzmq"
 zoompan_filter_deps="swscale"
 zscale_filter_deps="libzimg const_nan"
-scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
+scale_vaapi_filter_deps="vaapi"
 vpp_qsv_filter_deps="libmfx"
 vpp_qsv_filter_select="qsvvpp"
+yadif_cuda_filter_deps="cuda_sdk"
 
 # examples
 avio_dir_cmd_deps="avformat avutil"
@@ -3586,6 +3610,7 @@ host_os=$target_os_default
 if test "$target_os_default" = aix; then
     arch_default=$(uname -p)
     strip_default="strip -X32_64"
+    nm_default="nm -g -X32_64"
 else
     arch_default=$(uname -m)
 fi
@@ -3702,8 +3727,7 @@ find_things_extern(){
 
 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
+    sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file
 }
 
 FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)
@@ -4106,6 +4130,11 @@ if test -n "$cross_prefix"; then
     enable cross_compile
 fi
 
+set_default target_os
+if test "$target_os" = android; then
+    cc_default="clang"
+fi
+
 ar_default="${cross_prefix}${ar_default}"
 cc_default="${cross_prefix}${cc_default}"
 cxx_default="${cross_prefix}${cxx_default}"
@@ -4122,7 +4151,7 @@ windres_default="${cross_prefix}${windres_default}"
 sysinclude_default="${sysroot}/usr/include"
 
 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
-    target_exec target_os x86asmexe nvcc
+    target_exec x86asmexe nvcc
 enabled cross_compile || host_cc_default=$cc
 set_default host_cc
 
@@ -4826,7 +4855,6 @@ elif enabled mips; then
                 enable fast_cmov
                 enable fast_unaligned
                 disable aligned_stack
-                disable mipsfpu
                 disable mipsdsp
                 disable mipsdspr2
                 # When gcc version less than 5.3.0, add -fno-expensive-optimizations flag.
@@ -5121,6 +5149,7 @@ case $target_os in
             echo "hwcap_1 = OVERRIDE;" > mapfile &&
             add_ldflags -Wl,-M,mapfile
         nm_default='nm -P -g'
+        striptype=""
         version_script='-M'
         VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
         ;;
@@ -5274,7 +5303,6 @@ case $target_os in
         network_extralibs="-lsocket"
         objformat="coff"
         enable dos_paths
-        add_cppflags -U__STRICT_ANSI__
         ;;
     linux)
         enable section_data_rel_ro
@@ -5443,6 +5471,11 @@ EOF
     elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
         eval ${pfx}libc_type=solaris
         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
+    elif test_${pfx}cpp_condition sys/version.h "defined __DJGPP__"; then
+        eval ${pfx}libc_type=djgpp
+        add_cppflags -U__STRICT_ANSI__
+        add_cflags "-include $source_path/compat/djgpp/math.h"
+        add_compat djgpp/math.o
     fi
     test_${pfx}cc <<EOF
 #include <time.h>
@@ -5951,13 +5984,9 @@ check_type "windows.h d3d11.h" "ID3D11VideoContext"
 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
 
 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
-check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
-check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
-check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
-check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
 check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"
 check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"
 
@@ -6040,13 +6069,13 @@ done
 enabled cuda_sdk          && require cuda_sdk cuda.h cuCtxCreate -lcuda
 enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
 enabled decklink          && { require_headers DeckLinkAPI.h &&
-                               { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
+                               { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a090500" || die "ERROR: Decklink API version must be >= 10.9.5."; } }
 enabled libndi_newtek     && require_headers Processing.NDI.Lib.h
-enabled frei0r            && require_headers frei0r.h
+enabled frei0r            && require_headers "frei0r.h dlfcn.h"
 enabled gmp               && require gmp gmp.h mpz_export -lgmp
 enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
 enabled jni               && { [ $target_os = "android" ] && check_headers jni.h && enabled pthreads || die "ERROR: jni not found"; }
-enabled ladspa            && require_headers ladspa.h
+enabled ladspa            && require_headers "ladspa.h dlfcn.h"
 enabled libaom            && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version
 enabled lv2               && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new
 enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
@@ -6058,7 +6087,8 @@ enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&
                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
 enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas
 enabled libcodec2         && require libcodec2 codec2/codec2.h codec2_create -lcodec2
-enabled libdavs2          && require_pkg_config libdavs2 "davs2 >= 1.5.115" davs2.h davs2_decoder_open
+enabled libdav1d          && require_pkg_config libdav1d "dav1d >= 0.1.0" "dav1d/dav1d.h" dav1d_version
+enabled libdavs2          && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open
 enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
 enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
 enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
@@ -6174,7 +6204,7 @@ enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x
 enabled libx265           && require_pkg_config libx265 x265 x265.h x265_api_get &&
                              require_cpp_condition libx265 x265.h "X265_BUILD >= 68"
 enabled libxavs           && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
-enabled libxavs2          && require_pkg_config libxavs2 "xavs2 >= 1.2.77" "stdint.h xavs2.h" xavs2_api_get
+enabled libxavs2          && require_pkg_config libxavs2 "xavs2 >= 1.3.0" "stdint.h xavs2.h" xavs2_api_get
 enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore
 enabled libzimg           && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
 enabled libzmq            && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
@@ -6375,18 +6405,17 @@ test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
 EOF
 
 enabled vaapi &&
-    check_lib vaapi va/va.h vaInitialize -lva
-
-enabled vaapi &&
-    check_cc vaapi "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)"
+    check_pkg_config vaapi "libva >= 0.35.0" "va/va.h" vaInitialize
 
 if enabled vaapi; then
-    check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
-    check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
-fi
+    check_pkg_config vaapi_drm "libva-drm" "va/va_drm.h" vaGetDisplayDRM
+
+    if enabled xlib; then
+        check_pkg_config vaapi_x11 "libva-x11" "va/va_x11.h" vaGetDisplay
+    fi
 
-enabled vaapi &&
     check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
+fi
 
 if enabled_all opencl libdrm ; then
     check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
@@ -6490,6 +6519,7 @@ check_disable_warning -Wno-format-zero-length
 check_disable_warning -Wno-pointer-sign
 check_disable_warning -Wno-unused-const-variable
 check_disable_warning -Wno-bool-operation
+check_disable_warning -Wno-char-subscripts
 
 check_disable_warning_headers(){
     warning_flag=-W${1#-Wno-}
@@ -6772,10 +6802,17 @@ check_deps $CONFIG_LIST       \
 enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
 enabled avresample && warn "Building with deprecated library libavresample"
 
-if test $target_os = "haiku"; then
+case $target_os in
+haiku)
     disable memalign
     disable posix_memalign
-fi
+    ;;
+*-dos|freedos|opendos)
+    if test_cpp_condition sys/version.h "defined(__DJGPP__) && __DJGPP__ == 2 && __DJGPP_MINOR__ == 5"; then
+        disable memalign
+    fi
+    ;;
+esac
 
 flatten_extralibs(){
     nested_entries=
@@ -6859,11 +6896,13 @@ done
 enabled zlib && add_cppflags -DZLIB_CONST
 
 # conditional library dependencies, in any order
+enabled afftdn_filter       && prepend avfilter_deps "avcodec"
 enabled afftfilt_filter     && prepend avfilter_deps "avcodec"
 enabled afir_filter         && prepend avfilter_deps "avcodec"
 enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"
 enabled aresample_filter    && prepend avfilter_deps "swresample"
 enabled atempo_filter       && prepend avfilter_deps "avcodec"
+enabled bm3d_filter         && prepend avfilter_deps "avcodec"
 enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"
 enabled convolve_filter     && prepend avfilter_deps "avcodec"
 enabled deconvolve_filter   && prepend avfilter_deps "avcodec"
@@ -6897,7 +6936,8 @@ enabled zoompan_filter      && prepend avfilter_deps "swscale"
 enabled lavfi_indev         && prepend avdevice_deps "avfilter"
 
 #FIXME
-enabled sdl2_outdev     && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
+enabled_any sdl2_outdev opengl_outdev && enabled sdl2 &&
+    add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
 
 enabled opus_decoder    && prepend avcodec_deps "swresample"