lavc/libkvazaar: fix incompatible pointer type.
[ffmpeg.git] / configure
index ba28359..9b5421d 100755 (executable)
--- a/configure
+++ b/configure
@@ -213,10 +213,11 @@ External library support:
   --enable-gmp             enable gmp, needed for rtmp(t)e support
                            if openssl or librtmp is not used [no]
   --enable-gnutls          enable gnutls, needed for https support
-                           if openssl or libtls is not used [no]
+                           if openssl, libtls or mbedtls is not used [no]
   --disable-iconv          disable iconv [autodetect]
   --enable-jni             enable JNI support [no]
   --enable-ladspa          enable LADSPA audio filtering [no]
+  --enable-libaom          enable AV1 video encoding/decoding via libaom [no]
   --enable-libass          enable libass subtitles rendering,
                            needed for subtitles and ass filter [no]
   --enable-libbluray       enable BluRay reading using libbluray [no]
@@ -225,6 +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-libdavs2        enable AVS2 decoding via libdavs2 [no]
   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
                            and libraw1394 [no]
   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
@@ -238,6 +240,7 @@ External library support:
   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
   --enable-libjack         enable JACK audio sound server [no]
   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]
+  --enable-liblensfun      enable lensfun lens correction [no]
   --enable-libmodplug      enable ModPlug via libmodplug [no]
   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
@@ -256,11 +259,14 @@ External library support:
   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
   --enable-libsoxr         enable Include libsoxr resampling [no]
   --enable-libspeex        enable Speex de/encoding via libspeex [no]
+  --enable-libsrt          enable Haivision SRT protocol via libsrt [no]
   --enable-libssh          enable SFTP protocol via libssh [no]
+  --enable-libtensorflow   enable TensorFlow as a DNN module backend
+                           for DNN based filters like sr [no]
   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
   --enable-libtheora       enable Theora encoding via libtheora [no]
   --enable-libtls          enable LibreSSL (via libtls), needed for https support
-                           if openssl or gnutls is not used [no]
+                           if openssl, gnutls or mbedtls is not used [no]
   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
   --enable-libv4l2         enable libv4l2/v4l-utils [no]
   --enable-libvidstab      enable video stabilization using vid.stab [no]
@@ -280,7 +286,8 @@ External library support:
   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
   --enable-libxvid         enable Xvid encoding via xvidcore,
                            native MPEG-4/Xvid encoder exists [no]
-  --enable-libxml2         enable XML parsing using the C library libxml2 [no]
+  --enable-libxml2         enable XML parsing using the C library libxml2, needed
+                           for dash demuxing support [no]
   --enable-libzimg         enable z.lib, needed for zscale filter [no]
   --enable-libzmq          enable message passing via libzmq [no]
   --enable-libzvbi         enable teletext support via libzvbi [no]
@@ -288,19 +295,22 @@ External library support:
   --disable-lzma           disable lzma [autodetect]
   --enable-decklink        enable Blackmagic DeckLink I/O support [no]
   --enable-libndi_newtek   enable Newteck NDI I/O support [no]
+  --enable-mbedtls         enable mbedTLS, needed for https support
+                           if openssl, gnutls or libtls is not used [no]
   --enable-mediacodec      enable Android MediaCodec support [no]
   --enable-libmysofa       enable libmysofa, needed for sofalizer filter [no]
   --enable-openal          enable OpenAL 1.1 capture support [no]
   --enable-opencl          enable OpenCL processing [no]
   --enable-opengl          enable OpenGL rendering [no]
   --enable-openssl         enable openssl, needed for https support
-                           if gnutls or libtls is not used [no]
+                           if gnutls, libtls or mbedtls is not used [no]
   --disable-sndio          disable sndio support [autodetect]
   --disable-schannel       disable SChannel SSP, needed for TLS support on
                            Windows if openssl and gnutls are not used [autodetect]
   --disable-sdl2           disable sdl2 [autodetect]
   --disable-securetransport disable Secure Transport, needed for TLS support
                            on OSX if openssl and gnutls are not used [autodetect]
+  --enable-vapoursynth     enable VapourSynth demuxer [no]
   --disable-xlib           disable xlib [autodetect]
   --disable-zlib           disable zlib [autodetect]
 
@@ -341,6 +351,10 @@ Toolchain options:
   --target-samples=DIR     path to samples directory on target
   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
   --toolchain=NAME         set tool defaults according to NAME
+                           (gcc-asan, clang-asan, gcc-msan, clang-msan,
+                           gcc-tsan, clang-tsan, gcc-usan, clang-usan,
+                           valgrind-massif, valgrind-memcheck,
+                           msvc, icl, gcov, llvm-cov, hardened)
   --nm=NM                  use nm tool NM [$nm_default]
   --ar=AR                  use archive tool AR [$ar_default]
   --as=AS                  use assembler AS [$as_default]
@@ -967,6 +981,18 @@ test_as(){
     test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
 }
 
+x86asm_o(){
+    eval printf '%s\\n' $X86ASM_O
+}
+
+test_x86asm(){
+    log test_x86asm "$@"
+    echo "$1" > $TMPASM
+    log_file $TMPASM
+    shift
+    test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM
+}
+
 check_cmd(){
     log check_cmd "$@"
     cmd=$1
@@ -975,6 +1001,17 @@ check_cmd(){
     test_cmd $@ && enable $cmd
 }
 
+check_as(){
+    log check_as "$@"
+    name=$1
+    code=$2
+    shift 2
+    disable $name
+    test_as $@ <<EOF && enable $name
+$code
+EOF
+}
+
 check_inline_asm(){
     log check_inline_asm "$@"
     name="$1"
@@ -1007,16 +1044,16 @@ EOF
 
 check_insn(){
     log check_insn "$@"
-    check_inline_asm ${1}_inline "$2"
-    echo "$2" | test_as && enable ${1}_external || disable ${1}_external
+    check_inline_asm ${1}_inline "\"$2\""
+    check_as ${1}_external "$2"
 }
 
-test_x86asm(){
-    log test_x86asm "$@"
-    echo "$1" > $TMPS
-    log_file $TMPS
-    shift 1
-    test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
+check_x86asm(){
+    log check_x86asm "$@"
+    name=$1
+    shift
+    disable $name
+    test_x86asm "$@" && enable $name
 }
 
 ld_o(){
@@ -1603,6 +1640,7 @@ EXTERNAL_LIBRARY_GPL_LIST="
     avisynth
     frei0r
     libcdio
+    libdavs2
     librubberband
     libvidstab
     libx264
@@ -1621,10 +1659,12 @@ EXTERNAL_LIBRARY_NONFREE_LIST="
 
 EXTERNAL_LIBRARY_VERSION3_LIST="
     gmp
+    liblensfun
     libopencore_amrnb
     libopencore_amrwb
     libvmaf
     libvo_amrwbenc
+    mbedtls
     rkmpp
 "
 
@@ -1642,6 +1682,7 @@ EXTERNAL_LIBRARY_LIST="
     gnutls
     jni
     ladspa
+    libaom
     libass
     libbluray
     libbs2b
@@ -1676,7 +1717,9 @@ EXTERNAL_LIBRARY_LIST="
     libsnappy
     libsoxr
     libspeex
+    libsrt
     libssh
+    libtensorflow
     libtesseract
     libtheora
     libtwolame
@@ -1693,6 +1736,7 @@ EXTERNAL_LIBRARY_LIST="
     mediacodec
     openal
     opengl
+    vapoursynth
 "
 
 HWACCEL_AUTODETECT_LIBRARY_LIST="
@@ -1985,6 +2029,7 @@ HEADERS_LIST="
     ES2_gl_h
     gsm_h
     io_h
+    linux_perf_event_h
     machine_ioctl_bt848_h
     machine_ioctl_meteor_h
     malloc_h
@@ -2110,14 +2155,15 @@ SYSTEM_FUNCS="
 "
 
 SYSTEM_LIBRARIES="
+    bcrypt
     vaapi_drm
     vaapi_x11
     vdpau_x11
-    wincrypt
 "
 
 TOOLCHAIN_FEATURES="
     as_arch_directive
+    as_dn_directive
     as_fpu_directive
     as_func
     as_object_arch
@@ -2203,7 +2249,9 @@ CONFIG_EXTRA="
     cbs_h264
     cbs_h265
     cbs_mpeg2
+    cbs_vp9
     dirac_parse
+    dnn
     dvprofile
     exif
     faandct
@@ -2339,6 +2387,7 @@ CMDLINE_SET="
     malloc_prefix
     nm
     optflags
+    nvcc
     nvccflags
     pkg_config
     pkg_config_flags
@@ -2446,6 +2495,7 @@ simd_align_32_if_any="avx"
 simd_align_64_if_any="avx512"
 
 # system capabilities
+linux_perf_deps="linux_perf_event_h"
 symver_if_any="symver_asm_label symver_gnu_asm"
 valgrind_backtrace_conflict="optimizations"
 valgrind_backtrace_deps="valgrind_valgrind_h"
@@ -2462,8 +2512,10 @@ threads_if_any="$THREADS_LIST"
 cbs_h264_select="cbs golomb"
 cbs_h265_select="cbs golomb"
 cbs_mpeg2_select="cbs"
+cbs_vp9_select="cbs"
 dct_select="rdft"
 dirac_parse_select="golomb"
+dnn_suggest="libtensorflow"
 error_resilience_select="me_cmp"
 faandct_deps="faan"
 faandct_select="fdctdsp"
@@ -2480,7 +2532,7 @@ mpeg_er_select="error_resilience"
 mpegaudio_select="mpegaudiodsp mpegaudioheader"
 mpegaudiodsp_select="dct"
 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
-mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
+mpegvideoenc_select="aandcttables me_cmp mpegvideo pixblockdsp qpeldsp"
 vc1dsp_select="h264chroma qpeldsp startcode"
 rdft_select="fft"
 
@@ -2501,7 +2553,7 @@ als_decoder_select="bswapdsp"
 amrnb_decoder_select="lsp"
 amrwb_decoder_select="lsp"
 amv_decoder_select="sp5x_decoder exif"
-amv_encoder_select="aandcttables jpegtables mpegvideoenc"
+amv_encoder_select="jpegtables mpegvideoenc"
 ape_decoder_select="bswapdsp llauddsp"
 apng_decoder_deps="zlib"
 apng_encoder_deps="zlib"
@@ -2511,12 +2563,13 @@ aptx_encoder_select="audio_frame_queue"
 aptx_hd_decoder_select="audio_frame_queue"
 aptx_hd_encoder_select="audio_frame_queue"
 asv1_decoder_select="blockdsp bswapdsp idctdsp"
-asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
+asv1_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"
 asv2_decoder_select="blockdsp bswapdsp idctdsp"
-asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
+asv2_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"
 atrac1_decoder_select="mdct sinewin"
 atrac3_decoder_select="mdct"
 atrac3p_decoder_select="mdct sinewin"
+atrac9_decoder_select="mdct"
 avrn_decoder_select="exif jpegtables"
 bink_decoder_select="blockdsp hpeldsp"
 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
@@ -2532,7 +2585,7 @@ dca_decoder_select="mdct"
 dds_decoder_select="texturedsp"
 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
 dnxhd_decoder_select="blockdsp idctdsp"
-dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
+dnxhd_encoder_select="blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
 dolby_e_decoder_select="mdct"
 dvvideo_decoder_select="dvprofile idctdsp"
 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
@@ -2563,9 +2616,9 @@ g2m_decoder_deps="zlib"
 g2m_decoder_select="blockdsp idctdsp jpegtables"
 g729_decoder_select="audiodsp"
 h261_decoder_select="mpegvideo"
-h261_encoder_select="aandcttables mpegvideoenc"
+h261_encoder_select="mpegvideoenc"
 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
-h263_encoder_select="aandcttables h263dsp mpegvideoenc"
+h263_encoder_select="h263dsp mpegvideoenc"
 h263i_decoder_select="h263_decoder"
 h263p_decoder_select="h263_decoder"
 h263p_encoder_select="h263_encoder"
@@ -2586,14 +2639,14 @@ interplay_video_decoder_select="hpeldsp"
 jpegls_decoder_select="mjpeg_decoder"
 jv_decoder_select="blockdsp"
 lagarith_decoder_select="llviddsp"
-ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
+ljpeg_encoder_select="idctdsp jpegtables mpegvideoenc"
 magicyuv_decoder_select="llviddsp"
 magicyuv_encoder_select="llvidencdsp"
 mdec_decoder_select="blockdsp idctdsp mpegvideo"
 metasound_decoder_select="lsp mdct sinewin"
 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
-mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
+mjpeg_encoder_select="jpegtables mpegvideoenc"
 mjpegb_decoder_select="mjpeg_decoder"
 mlp_decoder_select="mlp_parser"
 mlp_encoder_select="lpc"
@@ -2612,9 +2665,9 @@ mpc7_decoder_select="bswapdsp mpegaudiodsp"
 mpc8_decoder_select="mpegaudiodsp"
 mpegvideo_decoder_select="mpegvideo"
 mpeg1video_decoder_select="mpegvideo"
-mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
+mpeg1video_encoder_select="mpegvideoenc h263dsp"
 mpeg2video_decoder_select="mpegvideo"
-mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
+mpeg2video_encoder_select="mpegvideoenc h263dsp"
 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
 mpeg4_encoder_select="h263_encoder"
 msa1_decoder_select="mss34dsp"
@@ -2657,14 +2710,14 @@ screenpresso_decoder_deps="zlib"
 shorten_decoder_select="bswapdsp"
 sipr_decoder_select="lsp"
 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
-snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
+snow_encoder_select="dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
 sonic_decoder_select="golomb rangecoder"
 sonic_encoder_select="golomb rangecoder"
 sonic_ls_encoder_select="golomb rangecoder"
 sp5x_decoder_select="mjpeg_decoder"
 srgc_decoder_deps="zlib"
 svq1_decoder_select="hpeldsp"
-svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
+svq1_encoder_select="hpeldsp me_cmp mpegvideoenc"
 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
 svq3_decoder_suggest="zlib"
 tak_decoder_select="audiodsp"
@@ -2841,7 +2894,7 @@ qsvdec_select="qsv"
 qsvenc_select="qsv"
 qsvvpp_select="qsv"
 vaapi_encode_deps="vaapi"
-v4l2_m2m_deps_any="linux_videodev2_h"
+v4l2_m2m_deps="linux_videodev2_h sem_timedwait"
 
 hwupload_cuda_filter_deps="ffnvcodec"
 scale_npp_filter_deps="ffnvcodec libnpp"
@@ -2944,6 +2997,7 @@ vc1_parser_select="vc1dsp"
 
 # bitstream_filters
 aac_adtstoasc_bsf_select="adts_header"
+eac3_core_bsf_select="ac3_parser"
 filter_units_bsf_select="cbs"
 h264_metadata_bsf_deps="const_nan"
 h264_metadata_bsf_select="cbs_h264"
@@ -2952,6 +3006,7 @@ hevc_metadata_bsf_select="cbs_h265"
 mjpeg2jpeg_bsf_select="jpegtables"
 mpeg2_metadata_bsf_select="cbs_mpeg2"
 trace_headers_bsf_select="cbs"
+vp9_metadata_bsf_select="cbs_vp9"
 
 # external libraries
 aac_at_decoder_deps="audiotoolbox"
@@ -2993,9 +3048,13 @@ h264_videotoolbox_encoder_deps="pthreads"
 h264_videotoolbox_encoder_select="videotoolbox_encoder"
 hevc_videotoolbox_encoder_deps="pthreads"
 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
+libaom_av1_decoder_deps="libaom"
+libaom_av1_encoder_deps="libaom"
+libaom_av1_encoder_select="extract_extradata_bsf"
 libcelt_decoder_deps="libcelt"
 libcodec2_decoder_deps="libcodec2"
 libcodec2_encoder_deps="libcodec2"
+libdavs2_decoder_deps="libdavs2"
 libfdk_aac_decoder_deps="libfdk_aac"
 libfdk_aac_encoder_deps="libfdk_aac"
 libfdk_aac_encoder_select="audio_frame_queue"
@@ -3051,6 +3110,7 @@ libx265_encoder_deps="libx265"
 libxavs_encoder_deps="libxavs"
 libxvid_encoder_deps="libxvid"
 libzvbi_teletext_decoder_deps="libzvbi"
+vapoursynth_demuxer_deps="vapoursynth"
 videotoolbox_suggest="coreservices"
 videotoolbox_deps="corefoundation coremedia corevideo"
 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
@@ -3185,14 +3245,13 @@ v4l2_outdev_suggest="libv4l2"
 vfwcap_indev_deps="vfw32 vfwcap_defines"
 xcbgrab_indev_deps="libxcb"
 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
-xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
-xv_outdev_extralibs="-lXv -lX11 -lXext"
+xv_outdev_deps="xlib"
 
 # protocols
 async_protocol_deps="threads"
 bluray_protocol_deps="libbluray"
 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
-ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
+ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"
 ffrtmpcrypt_protocol_select="tcp_protocol"
 ffrtmphttp_protocol_conflict="librtmp_protocol"
 ffrtmphttp_protocol_select="http_protocol"
@@ -3212,9 +3271,11 @@ librtmpt_protocol_deps="librtmp"
 librtmpte_protocol_deps="librtmp"
 libsmbclient_protocol_deps="libsmbclient gplv3"
 libssh_protocol_deps="libssh"
-libtls_conflict="openssl gnutls"
+libtls_conflict="openssl gnutls mbedtls"
 mmsh_protocol_select="http_protocol"
 mmst_protocol_select="network"
+libsrt_protocol_deps="libsrt"
+libsrt_protocol_select="network"
 rtmp_protocol_conflict="librtmp_protocol"
 rtmp_protocol_select="tcp_protocol"
 rtmp_protocol_suggest="zlib"
@@ -3230,13 +3291,13 @@ rtmpte_protocol_suggest="zlib"
 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
 rtmpts_protocol_suggest="zlib"
 rtp_protocol_select="udp_protocol"
-schannel_conflict="openssl gnutls libtls"
+schannel_conflict="openssl gnutls libtls mbedtls"
 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
 sctp_protocol_select="network"
-securetransport_conflict="openssl gnutls libtls"
+securetransport_conflict="openssl gnutls libtls mbedtls"
 srtp_protocol_select="rtp_protocol srtp"
 tcp_protocol_select="network"
-tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"
+tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"
 tls_protocol_select="tcp_protocol"
 udp_protocol_select="network"
 udplite_protocol_select="network"
@@ -3257,6 +3318,7 @@ avgblur_opencl_filter_deps="opencl"
 azmq_filter_deps="libzmq"
 blackframe_filter_deps="gpl"
 boxblur_filter_deps="gpl"
+boxblur_opencl_filter_deps="opencl gpl"
 bs2b_filter_deps="libbs2b"
 colormatrix_filter_deps="gpl"
 convolution_opencl_filter_deps="opencl"
@@ -3275,12 +3337,16 @@ deinterlace_vaapi_filter_deps="vaapi"
 delogo_filter_deps="gpl"
 denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
 deshake_filter_select="pixelutils"
+dilation_opencl_filter_deps="opencl"
 drawtext_filter_deps="libfreetype"
 drawtext_filter_suggest="libfontconfig libfribidi"
 elbg_filter_deps="avcodec"
 eq_filter_deps="gpl"
+erosion_opencl_filter_deps="opencl"
 fftfilt_filter_deps="avcodec"
 fftfilt_filter_select="rdft"
+fftdnoiz_filter_deps="avcodec"
+fftdnoiz_filter_select="fft"
 find_rect_filter_deps="avcodec avformat gpl"
 firequalizer_filter_deps="avcodec"
 firequalizer_filter_select="rdft"
@@ -3295,6 +3361,7 @@ hqdn3d_filter_deps="gpl"
 interlace_filter_deps="gpl"
 kerndeint_filter_deps="gpl"
 ladspa_filter_deps="ladspa libdl"
+lensfun_filter_deps="liblensfun version3"
 lv2_filter_deps="lv2"
 mcdeint_filter_deps="avcodec gpl"
 movie_filter_deps="avcodec avformat"
@@ -3315,12 +3382,14 @@ perspective_filter_deps="gpl"
 phase_filter_deps="gpl"
 pp7_filter_deps="gpl"
 pp_filter_deps="gpl postproc"
+prewitt_opencl_filter_deps="opencl"
 procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
 program_opencl_filter_deps="opencl"
 pullup_filter_deps="gpl"
 removelogo_filter_deps="avcodec avformat swscale"
 repeatfields_filter_deps="gpl"
 resample_filter_deps="avresample"
+roberts_opencl_filter_deps="opencl"
 rubberband_filter_deps="librubberband"
 sab_filter_deps="gpl swscale"
 scale2ref_filter_deps="swscale"
@@ -3339,12 +3408,15 @@ showspectrumpic_filter_deps="avcodec"
 showspectrumpic_filter_select="fft"
 signature_filter_deps="gpl avcodec avformat"
 smartblur_filter_deps="gpl swscale"
+sobel_opencl_filter_deps="opencl"
 sofalizer_filter_deps="libmysofa avcodec"
 sofalizer_filter_select="fft"
 spectrumsynth_filter_deps="avcodec"
 spectrumsynth_filter_select="fft"
 spp_filter_deps="gpl avcodec"
 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
+sr_filter_deps="avformat swscale"
+sr_filter_select="dnn"
 stereo3d_filter_deps="gpl"
 subtitles_filter_deps="avformat avcodec libass"
 super2xsai_filter_deps="gpl"
@@ -3353,6 +3425,7 @@ tinterlace_filter_deps="gpl"
 tinterlace_merge_test_deps="tinterlace_filter"
 tinterlace_pad_test_deps="tinterlace_filter"
 tonemap_filter_deps="const_nan"
+tonemap_opencl_filter_deps="opencl const_nan"
 unsharp_opencl_filter_deps="opencl"
 uspp_filter_deps="gpl avcodec"
 vaguedenoiser_filter_deps="gpl"
@@ -3407,7 +3480,7 @@ avformat_deps="avcodec avutil"
 avformat_suggest="libm network zlib"
 avresample_deps="avutil"
 avresample_suggest="libm"
-avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
+avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia bcrypt"
 postproc_deps="avutil gpl"
 postproc_suggest="libm"
 swresample_deps="avutil"
@@ -3420,7 +3493,7 @@ avfilter_extralibs="pthreads_extralibs"
 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
 
 # programs
-ffmpeg_deps="avcodec avfilter avformat swresample"
+ffmpeg_deps="avcodec avfilter avformat"
 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
                null_filter
                trim_filter"
@@ -3586,15 +3659,6 @@ 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=$2
@@ -3603,6 +3667,13 @@ find_things_extern(){
     sed -n "s/^[^#]*extern.*$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)
@@ -3613,7 +3684,7 @@ CODEC_LIST="
     $ENCODER_LIST
     $DECODER_LIST
 "
-PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parser.c)
+PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c)
 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
@@ -3870,6 +3941,12 @@ fi
 enabled_all gnutls openssl &&
     die "GnuTLS and OpenSSL must not be enabled at the same time."
 
+enabled_all gnutls mbedtls &&
+    die "GnuTLS and mbedTLS must not be enabled at the same time."
+
+enabled_all openssl mbedtls &&
+    die "OpenSSL and mbedTLS must not be enabled at the same time."
+
 # Disable all the library-specific components if the library itself
 # is disabled, see AVCODEC_LIST and following _LIST variables.
 
@@ -3887,7 +3964,7 @@ set >> $logfile
 
 test -n "$valgrind" && toolchain="valgrind-memcheck"
 
-enabled ossfuzz && {
+enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize="  &&{
     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
 }
@@ -3905,8 +3982,8 @@ case "$toolchain" in
     ;;
     *-tsan)
         cc_default="${toolchain%-tsan}"
-        add_cflags  -fsanitize=thread -fPIE
-        add_ldflags -fsanitize=thread -pie
+        add_cflags  -fsanitize=thread
+        add_ldflags -fsanitize=thread
         case "$toolchain" in
             gcc-tsan)
                 add_cflags  -fPIC
@@ -3942,8 +4019,7 @@ case "$toolchain" in
             cc_default="cl"
             cxx_default="cl"
         else
-            cc_default="c99wrap cl"
-            cxx_default="c99wrap cl"
+            die "Unsupported MSVC version (2013 or newer required)"
         fi
         ld_default="$source_path/compat/windows/mslink"
         nm_default="dumpbin -symbols"
@@ -4303,7 +4379,7 @@ probe_cc(){
         _depflags='-MMD'
         _cflags_speed='-O3'
         _cflags_size='-Os'
-    elif $_cc -v 2>&1 | grep -q clang; then
+    elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then
         _type=clang
         _ident=$($_cc --version 2>/dev/null | head -n1)
         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
@@ -4374,7 +4450,7 @@ probe_cc(){
         _flags_filter=msvc_flags
         _ld_lib='lib%.a'
         _ld_path='-libpath:'
-    elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
+    elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then
         _type=msvc
         _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
@@ -4973,10 +5049,13 @@ case $target_os in
         add_cppflags '-I\$(SRC_PATH)/compat/aix'
         enabled shared && add_ldflags -Wl,-brtl
         arflags='-Xany -r -c'
+        striptype=""
         ;;
     android)
         disable symver
         enable section_data_rel_ro
+        add_cflags -fPIE
+        add_ldexeflags -fPIE -pie
         SLIB_INSTALL_NAME='$(SLIBNAME)'
         SLIB_INSTALL_LINKS=
         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
@@ -5011,6 +5090,7 @@ case $target_os in
         ;;
     openbsd|bitrig)
         disable symver
+        striptype=""
         SHFLAGS='-shared'
         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
         SLIB_INSTALL_LINKS=
@@ -5389,6 +5469,7 @@ done
 
 check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'
 
+# The global variable ensures the bits appear unchanged in the object file.
 test_cc <<EOF || die "endian test failed"
 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
 EOF
@@ -5403,18 +5484,13 @@ fi
 check_gas() {
     log "check_gas using '$as' as AS"
     # :vararg is used on aarch64, arm and ppc altivec
-    test_as <<EOF || return 1
+    check_as vararg "
 .macro m n, y:vararg=0
 \n: .int \y
 .endm
-m x
-EOF
+m x" || return 1
     # .altmacro is only used in arm asm
-    ! enabled arm || test_as <<EOF || return 1
-.altmacro
-EOF
-    enable gnu_as
-    return 0
+    ! enabled arm || check_as gnu_as ".altmacro"
 }
 
 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
@@ -5441,10 +5517,8 @@ if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
             $nogas "GNU assembler not found, install/update gas-preprocessor"
     fi
 
-    test_as <<EOF && enable as_func
-.func test
-.endfunc
-EOF
+    check_as as_func ".func test
+                      .endfunc"
 fi
 
 check_inline_asm inline_asm_labels '"1:\n"'
@@ -5500,18 +5574,13 @@ EOF
 
     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
 
-    test_as <<EOF && enable as_arch_directive
-.arch armv7-a
-EOF
-    test_as <<EOF && enable as_fpu_directive
-.fpu neon
-EOF
+    check_as as_arch_directive ".arch armv7-a"
+    check_as as_dn_directive   "ra .dn d0.i16"
+    check_as as_fpu_directive  ".fpu neon"
 
     # llvm's integrated assembler supports .object_arch from llvm 3.5
     [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
-        test_as <<EOF && enable as_object_arch
-.object_arch armv4
-EOF
+        check_as as_object_arch ".object_arch armv4"
 
     # MS armasm fails to assemble our PIC constructs
     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
@@ -5628,7 +5697,7 @@ EOF
             X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
             X86ASM_DEPFLAGS=
         fi
-        test_x86asm "movbe ecx, [5]" && enable x86asm
+        check_x86asm x86asm "movbe ecx, [5]"
     }
 
     if ! disabled_any asm mmx x86asm; then
@@ -5644,11 +5713,11 @@ EOF
             elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
         esac
 
-        test_x86asm "vmovdqa32 [eax]{k1}{z}, zmm0"    || disable avx512_external
-        test_x86asm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external
-        test_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
-        test_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
-        test_x86asm "CPU amdnop" || disable cpunop
+        check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"
+        check_x86asm avx2_external   "vextracti128 xmm0, ymm0, 0"
+        check_x86asm xop_external    "vpmacsdd xmm0, xmm1, xmm2, xmm3"
+        check_x86asm fma4_external   "vfmaddps ymm0, ymm1, ymm2, ymm3"
+        check_x86asm cpunop          "CPU amdnop"
     fi
 
     case "$cpu" in
@@ -5769,7 +5838,7 @@ check_func_headers windows.h Sleep
 check_func_headers windows.h VirtualAlloc
 check_func_headers glob.h glob
 enabled xlib &&
-    check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
+    check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
 
 check_header direct.h
 check_header dirent.h
@@ -5777,6 +5846,7 @@ check_header dxgidebug.h
 check_header dxva.h
 check_header dxva2api.h -D_WIN32_WINNT=0x0600
 check_header io.h
+check_header linux/perf_event.h
 check_header libcrystalhd/libcrystalhd_if.h
 check_header malloc.h
 check_header net/udplite.h
@@ -5797,12 +5867,13 @@ check_header asm/types.h
 # it seems there are versions of clang in some distros that try to use the
 # gcc headers, which explodes for stdatomic
 # so we also check that atomics actually work here
-check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
+check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"
 
 check_lib advapi32 "windows.h"            RegCloseKey          -ladvapi32
+check_lib bcrypt   "windows.h bcrypt.h"   BCryptGenRandom      -lbcrypt &&
+    check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"
 check_lib ole32    "windows.h"            CoTaskMemFree        -lole32
 check_lib shell32  "windows.h shellapi.h" CommandLineToArgvW   -lshell32
-check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom       -ladvapi32
 check_lib psapi    "windows.h psapi.h"    GetProcessMemoryInfo -lpsapi
 
 check_lib android android/native_window.h ANativeWindow_acquire -landroid
@@ -5851,8 +5922,10 @@ check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"
 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
 
 if ! disabled ffnvcodec; then
-    check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.1" \
-        "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""
+    check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.2" \
+          "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" "" || \
+      check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.2 ffnvcodec < 8.1" \
+          "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""
 fi
 
 check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"
@@ -5860,6 +5933,7 @@ check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_D
 if ! disabled w32threads && ! enabled pthreads; then
     check_func_headers "windows.h process.h" _beginthreadex &&
         check_type "windows.h" CONDITION_VARIABLE &&
+        check_type "windows.h" INIT_ONCE &&
         enable w32threads || disable w32threads
     if ! enabled w32threads && enabled winrt; then
         check_func_headers "windows.h" CreateThread &&
@@ -5896,7 +5970,8 @@ if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
     fi
 fi
 
-enabled  zlib && check_lib zlib   zlib.h      zlibVersion    -lz
+enabled  zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||
+                   check_lib zlib   zlib.h      zlibVersion    -lz; }
 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion    -lbz2
 enabled  lzma && check_lib lzma   lzma.h lzma_version_number -llzma
 
@@ -5930,7 +6005,8 @@ 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_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
 enabled ladspa            && require_header ladspa.h
-enabled lv2               && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
+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
 enabled libass            && require_pkg_config libass libass ass/ass.h ass_library_init
 enabled libbluray         && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
@@ -5940,6 +6016,7 @@ 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 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 ||
@@ -5958,6 +6035,7 @@ enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
                                done || die "ERROR: libgsm not found"; }
 enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
 enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
+enabled liblensfun        && require_pkg_config liblensfun lensfun lensfun.h lf_db_new
 # While it may appear that require is being used as a pkg-config
 # fallback for libmfx, it is actually being used to detect a different
 # installation route altogether.  If libmfx is installed via the Intel
@@ -5968,7 +6046,8 @@ enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" M
                                { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
 enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
 enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
-enabled libmysofa         && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
+enabled libmysofa         && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_load ||
+                               require libmysofa mysofa.h mysofa_load -lmysofa $zlib_extralibs; }
 enabled libnpp            && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
                                check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
                                die "ERROR: libnpp not found"; }
@@ -6001,6 +6080,8 @@ enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnap
 enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr
 enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init
 enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
+enabled libsrt            && require_pkg_config libsrt "srt >= 1.2.0" srt/srt.h srt_socket
+enabled libtensorflow     && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow
 enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
 enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
 enabled libtls            && require_pkg_config libtls libtls tls.h tls_configure
@@ -6009,7 +6090,7 @@ enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame
                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
 enabled libv4l2           && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
 enabled libvidstab        && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
-enabled libvmaf           && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf
+enabled libvmaf           && require_pkg_config libvmaf "libvmaf >= 1.3.9" libvmaf.h compute_vmaf
 enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
 enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
                              require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
@@ -6057,6 +6138,10 @@ enabled libzvbi           && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_d
                              { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
 enabled libxml2           && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
+enabled mbedtls           && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init ||
+                               check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init ||
+                               check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto ||
+                               die "ERROR: mbedTLS not found"; }
 enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
 enabled mmal              && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
                                { ! enabled cross_compile &&
@@ -6070,7 +6155,8 @@ enabled openal            && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal"
                                die "ERROR: openal not found"; } &&
                              { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
-enabled opencl            && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
+enabled opencl            && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel ||
+                               check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
                                check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
                                die "ERROR: opencl not found"; } &&
                              { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
@@ -6097,6 +6183,8 @@ enabled rkmpp             && { require_pkg_config rkmpp rockchip_mpp  rockchip/r
                                { enabled libdrm ||
                                  die "ERROR: rkmpp requires --enable-libdrm"; }
                              }
+enabled vapoursynth       && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init
+
 
 if enabled gcrypt; then
     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
@@ -6265,10 +6353,8 @@ fi
 
 if enabled_all opencl vaapi ; then
     enabled opencl_drm_beignet && enable opencl_vaapi_beignet
-    if enabled libmfx ; then
-        check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
-            enable opencl_vaapi_intel_media
-    fi
+    check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
+        enable opencl_vaapi_intel_media
 fi
 
 if enabled_all opencl dxva2 ; then
@@ -6517,11 +6603,39 @@ elif enabled gcc; then
     check_cflags -Wformat
     check_cflags -fdiagnostics-color=auto
     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
+    if enabled x86_32; then
+        case $target_os in
+        *bsd*)
+            # BSDs don't guarantee a 16 byte aligned stack, but we can
+            # request GCC to try to maintain 16 byte alignment throughout
+            # function calls. Library entry points that might call assembly
+            # functions align the stack. (The parameter means 2^4 bytes.)
+            check_cflags -mpreferred-stack-boundary=4
+            ;;
+        esac
+    fi
 elif enabled llvm_gcc; then
     check_cflags -mllvm -stack-alignment=16
 elif enabled clang; then
-    check_cflags -mllvm -stack-alignment=16
-    check_cflags -mstack-alignment=16
+    if enabled x86_32; then
+        # Clang doesn't support maintaining alignment without assuming the
+        # same alignment in every function. If 16 byte alignment would be
+        # enabled, one would also have to either add attribute_align_arg on
+        # every single entry point into the libraries or enable -mstackrealign
+        # (doing stack realignment in every single function).
+        case $target_os in
+        mingw32|win32|*bsd*)
+            disable aligned_stack
+            ;;
+        *)
+            check_cflags -mllvm -stack-alignment=16
+            check_cflags -mstack-alignment=16
+            ;;
+        esac
+    else
+        check_cflags -mllvm -stack-alignment=16
+        check_cflags -mstack-alignment=16
+    fi
     check_cflags -Qunused-arguments
     check_cflags -Werror=implicit-function-declaration
     check_cflags -Werror=missing-prototypes
@@ -6726,6 +6840,7 @@ enabled signature_filter    && prepend avfilter_deps "avcodec avformat"
 enabled smartblur_filter    && prepend avfilter_deps "swscale"
 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
 enabled spp_filter          && prepend avfilter_deps "avcodec"
+enabled sr_filter           && prepend avfilter_deps "avformat swscale"
 enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"
 enabled uspp_filter         && prepend avfilter_deps "avcodec"
 enabled zoompan_filter      && prepend avfilter_deps "swscale"
@@ -7102,6 +7217,10 @@ 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
@@ -7112,6 +7231,9 @@ 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))
                 ;;
@@ -7122,17 +7244,23 @@ 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
-print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
-print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
+print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
+print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
 
 # Settings for pkg-config files