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Sur d’autres sites (12056)

  • Getting small file size from ffmpeg [duplicate]

    20 février 2020, par sukach

    I am not an ffmpeg expert. I am trying to get some movies converted to a smaller DIVX file for a cheap portable DVD player for a family trip. The movies are for my kids so I’m not too concerned about quality.

    The DVD player is a 10.1", 1024x600 screen. It says it supports DIVX/MPEG2 files. It took me a lot of experimentation to get the right ffmpeg settings to even get it to work, but I found another answer that provided a very complex set of parameters that ultimately worked.

    I have converted about 20 movies with this setting and every one results in a file size of 1.1GB. I have tried different file sizes and crf settings and it is the same every time.

    Here is an example. First, the original file :

    General
    Complete name                            : Charlotte's Web.m4v
    Format                                   : MPEG-4
    Format profile                           : Base Media / Version 2
    Codec ID                                 : mp42 (isom/iso2/avc1/mp41)
    File size                                : 4.17 GiB
    Duration                                 : 1 h 36 min
    Overall bit rate mode                    : Variable
    Overall bit rate                         : 6 161 kb/s
    Movie name                               : Charlotte's Web
    Performer                                : Julia Roberts, Steve Buscemi, John Cleese, Oprah Winfrey, Cedric the Entertainer, Reba McEntire, Kathy Bates, Robert Redford, Thomas Haden Church, André Benjamin, Dominic Scott Kay, Sam Shepard, Abraham Benrubi, Dakota Fanning, Kevin Anderson, Essie Davis, Siobhan Fallon, Louis Corbett, Robyn Arthur, Julian O'Donnell, Gary Basaraba, Nate Mooney, Nicholas Bell, Beau Bridges, Teague Rook, Julia Zemiro, Denise Kirby, Robert Plazek, Joseph Lotesto, Michael Roland, Don Bridges, Ian Watkin, Joel McCrary, Brian Stepanek, Fred Tatasciore, Bradley White, Maia Kirkpatrick, Jennessa Rose, Briana Hodge, Dale Azzopardi, Geoff Burgess, Ella Scott Lynch, Greg Marian, Stefano Mazzeo, Elizabeth Saunders
    Director                                 : Gary Winick
    Actor                                    : Julia Roberts / Steve Buscemi / John Cleese / Oprah Winfrey / Cedric the Entertainer / Reba McEntire / Kathy Bates / Robert Redford / Thomas Haden Church / André Benjamin / Dominic Scott Kay / Sam Shepard / Abraham Benrubi / Dakota Fanning / Kevin Anderson / Essie Davis / Siobhan Fallon / Louis Corbett / Robyn Arthur / Julian O'Donnell / Gary Basaraba / Nate Mooney / Nicholas Bell / Beau Bridges / Teague Rook / Julia Zemiro / Denise Kirby / Robert Plazek / Joseph Lotesto / Michael Roland / Don Bridges / Ian Watkin / Joel McCrary / Brian Stepanek / Fred Tatasciore / Bradley White / Maia Kirkpatrick / Jennessa Rose / Briana Hodge / Dale Azzopardi / Geoff Burgess / Ella Scott Lynch / Greg Marian / Stefano Mazzeo / Elizabeth Saunders
    Screenplay by                            : Karey Kirkpatrick / Susannah Grant / Earl Hamner / Jr. / E.B. White
    Producer                                 : Julia Pistor / Jordan Kerner / Paul Neesan / Edgar M. Bronfman / Bernard Williams / Tony Winley
    Genre                                    : Comedy
    ContentType                              : Short Film
    Description                              : Wilbur the pig is scared of the end of the season, because he knows that come that time, he will end up on the dinner table. He hatches a plan with Charlotte, a spider that lives in his pen, to ensure that this will never happen.
    Recorded date                            : UTC 2006-12-15 11:00:00
    Encoded date                             : UTC 2017-01-23 02:37:54
    Tagged date                              : UTC 2017-01-24 01:19:52
    Writing application                      : HandBrake 1.0.1 2016122900
    Cover                                    : Yes
    LongDescription                          : Wilbur the pig is scared of the end of the season, because he knows that come that time, he will end up on the dinner table. He hatches a plan with Charlotte, a spider that lives in his pen, to ensure that this will never happen.
    ContentRating                            : mpaa|G|100|

    Video
    ID                                       : 1
    Format                                   : AVC
    Format/Info                              : Advanced Video Codec
    Format profile                           : High@L4
    Format settings                          : CABAC / 4 Ref Frames
    Format settings, CABAC                   : Yes
    Format settings, ReFrames                : 4 frames
    Codec ID                                 : avc1
    Codec ID/Info                            : Advanced Video Coding
    Duration                                 : 1 h 36 min
    Bit rate                                 : 5 691 kb/s
    Width                                    : 1 920 pixels
    Height                                   : 1 080 pixels
    Display aspect ratio                     : 16:9
    Frame rate mode                          : Variable
    Frame rate                               : 23.976 (24000/1001) FPS
    Minimum frame rate                       : 23.974 FPS
    Maximum frame rate                       : 23.981 FPS
    Color space                              : YUV
    Chroma subsampling                       : 4:2:0
    Bit depth                                : 8 bits
    Scan type                                : Progressive
    Bits/(Pixel*Frame)                       : 0.114
    Stream size                              : 3.86 GiB (92%)
    Writing library                          : x264 core 148 r2708 86b7198
    Encoding settings                        : cabac=1 / ref=3 / deblock=1:-1:-1 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.15 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-3 / threads=6 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=240 / keyint_min=24 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 / crf=22.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / vbv_maxrate=25000 / vbv_bufsize=31250 / crf_max=0.0 / nal_hrd=none / filler=0 / ip_ratio=1.40 / aq=1:1.00
    Encoded date                             : UTC 2017-01-23 02:37:54
    Tagged date                              : UTC 2017-01-23 02:37:54
    Color range                              : Limited
    Color primaries                          : BT.709
    Transfer characteristics                 : BT.709
    Matrix coefficients                      : BT.709
    Menus                                    : 4

    Here is the first encode settings :

    ffmpeg -i "$1" -sn -c:a libmp3lame -ar 48000 -ab 128k -ac 2 -c:v mpeg4 -crf 24 -vtag DIVX -vf scale=1024x600:force_original_aspect_ratio=decrease -mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 30 -vb 1500k "$2"

    And the resulting mediainfo :

    General
    Complete name                            : Charlotte's Web (2006) - DIVX.avi
    Format                                   : AVI
    Format/Info                              : Audio Video Interleave
    Format profile                           : OpenDML
    File size                                : 1.11 GiB
    Duration                                 : 1 h 36 min
    Overall bit rate                         : 1 644 kb/s
    Movie name                               : Charlotte's Web
    Director                                 : Julia Roberts, Steve Buscemi, John Cleese, Oprah Winfrey, Cedric the Entertainer, Reba McEntire, Kathy Bates, Robert Redford, Thomas Haden Church, André Benjamin, Dominic Scott Kay, Sam Shepard, Abraham Benrubi, Dakota Fanning, Kevin Anderson, Essie Davis, Siobhan Fallon, Louis Corbett, Robyn Arthur, Julian O'Donnell, Gary Basaraba, Nate Mooney, Nicholas Bell, Beau Bridges, Teague Rook, Julia Zemiro, Denise Kirby, Robert Plazek, Joseph Lotesto, Michael Roland, Don Bridges, Ian Watkin, Joel McCrary, Brian Stepanek, Fred Tatasciore, Bradley White, Maia Kirkpatrick, Jennessa Rose, Briana Hodge, Dale Azzopardi, Geoff Burgess, Ella Scott Lynch, Greg Marian, Stefano Mazzeo, Elizabeth Saunders
    Genre                                    : Comedy
    Recorded date                            : UTC 2006-12-15 11:00:00
    Writing application                      : Lavf57.56.100

    Video
    ID                                       : 0
    Format                                   : MPEG-4 Visual
    Format profile                           : Simple@L1
    Format settings, BVOP                    : No
    Format settings, QPel                    : No
    Format settings, GMC                     : No warppoints
    Format settings, Matrix                  : Default (H.263)
    Codec ID                                 : DIVX
    Codec ID/Info                            : Project Mayo
    Codec ID/Hint                            : DivX 4
    Duration                                 : 1 h 36 min
    Bit rate                                 : 1 500 kb/s
    Width                                    : 1 024 pixels
    Height                                   : 576 pixels
    Display aspect ratio                     : 16:9
    Frame rate                               : 23.976 (24000/1001) FPS
    Color space                              : YUV
    Chroma subsampling                       : 4:2:0
    Bit depth                                : 8 bits
    Scan type                                : Progressive
    Compression mode                         : Lossy
    Bits/(Pixel*Frame)                       : 0.106
    Stream size                              : 1.02 GiB (91%)
    Writing library                          : Lavc57.64.100

    Here was my attempt at a smaller file size (lower crf and smaller scale setting) :

    ffmpeg -i "Charlotte's Web.m4v" -sn -c:a libmp3lame -ar 48000 -ab 128k -ac 2 -c:v mpeg4 -crf 30 -vtag DIVX -vf scale=800:480 -mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 30 -vb 1500k "Charlotte's Web (2006) - DIVX 2.avi"

    And the resulting mediainfo :

    General
    Complete name                            : Charlotte's Web (2006) - DIVX 2.avi
    Format                                   : AVI
    Format/Info                              : Audio Video Interleave
    Format profile                           : OpenDML
    File size                                : 1.11 GiB
    Duration                                 : 1 h 36 min
    Overall bit rate                         : 1 643 kb/s
    Movie name                               : Charlotte's Web
    Director                                 : Julia Roberts, Steve Buscemi, John Cleese, Oprah Winfrey, Cedric the Entertainer, Reba McEntire, Kathy Bates, Robert Redford, Thomas Haden Church, André Benjamin, Dominic Scott Kay, Sam Shepard, Abraham Benrubi, Dakota Fanning, Kevin Anderson, Essie Davis, Siobhan Fallon, Louis Corbett, Robyn Arthur, Julian O'Donnell, Gary Basaraba, Nate Mooney, Nicholas Bell, Beau Bridges, Teague Rook, Julia Zemiro, Denise Kirby, Robert Plazek, Joseph Lotesto, Michael Roland, Don Bridges, Ian Watkin, Joel McCrary, Brian Stepanek, Fred Tatasciore, Bradley White, Maia Kirkpatrick, Jennessa Rose, Briana Hodge, Dale Azzopardi, Geoff Burgess, Ella Scott Lynch, Greg Marian, Stefano Mazzeo, Elizabeth Saunders
    Genre                                    : Comedy
    Recorded date                            : UTC 2006-12-15 11:00:00
    Writing application                      : Lavf57.56.100

    Video
    ID                                       : 0
    Format                                   : MPEG-4 Visual
    Format profile                           : Simple@L1
    Format settings, BVOP                    : No
    Format settings, QPel                    : No
    Format settings, GMC                     : No warppoints
    Format settings, Matrix                  : Default (H.263)
    Codec ID                                 : DIVX
    Codec ID/Info                            : Project Mayo
    Codec ID/Hint                            : DivX 4
    Duration                                 : 1 h 36 min
    Bit rate                                 : 1 499 kb/s
    Width                                    : 800 pixels
    Height                                   : 480 pixels
    Display aspect ratio                     : 16:9
    Frame rate                               : 23.976 (24000/1001) FPS
    Color space                              : YUV
    Chroma subsampling                       : 4:2:0
    Bit depth                                : 8 bits
    Scan type                                : Progressive
    Compression mode                         : Lossy
    Bits/(Pixel*Frame)                       : 0.163
    Stream size                              : 1.02 GiB (91%)
    Writing library                          : Lavc57.64.100

    Same file size but lower resolution.

    Any ideas on what the best settings to achieve my goal ?

  • Building FFMpeg 1.0.1 for Android gives me an error with make install

    23 décembre 2013, par Fabien Henon

    I'm trying to build FFMpeg 1.0.1 for Android.

    I followed this tutorial : http://www.packtpub.com/sites/default/files/downloads/Developing_Multimedia_Applications_with_NDK.pdf (part Porting the ffmpeg library to Android with NDK).

    Thus, in my ffmpeg folder I have a script build_android.sh and here is the content :

    #!/bin/bash
    NDK=/Users/me/android-ndk
    SYSROOT=$NDK/platforms/android-8/arch-arm/
    TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86_64
    function build_one
    {
    ./configure \
    --prefix=$PREFIX \
    --disable-shared \
    --enable-static \
    --disable-doc \
    --disable-ffmpeg \
    --disable-ffplay \
    --disable-ffprobe \
    --disable-ffserver \
    --disable-avdevice \
    --disable-doc \
    --disable-symver \
    --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
    --target-os=linux \
    --arch=arm \
    --enable-cross-compile \
    --sysroot=$SYSROOT \
    --extra-cflags="-Os -fpic $ADDI_CFLAGS" \
    --extra-ldflags="$ADDI_LDFLAGS" \
    $ADDITIONAL_CONFIGURE_FLAG
    make clean
    make
    make install
    }
    CPU=arm
    PREFIX=$(pwd)/android/$CPU
    ADDI_CFLAGS="-marm"
    build_one

    That was working fine mith version 2.1 of ffmpeg but with version 1.0.1 and other versions it does not work.

    I have the following error :

    ...
    CC  libavutil/random_seed.o
    CC  libavutil/rational.o
    CC  libavutil/rc4.o
    CC  libavutil/samplefmt.o
    CC  libavutil/sha.o
    CC  libavutil/time.o
    CC  libavutil/timecode.o
    CC  libavutil/tree.o
    CC  libavutil/utils.o
    CC  libavutil/xtea.o
    AR  libavutil/libavutil.a
    INSTALL libavfilter/libavfilter.a
    ./install: line 2: syntax error near unexpected token `)'
    ./install: line 2: `1) Type './configure' to create the configuration. A list of configure'
    make: *** [install-libavfilter-static] Error 2

    I'm using NDK 9r and Mac OSX.

    So the configure command works fine, the make commmand too, but the make install is not working and is giving me the error.

    Can you help me with this issue ?

    For you information, ./install is (in my opinion) the INSTALL file which has this content :

    1) Type './configure' to create the configuration. A list of configure
    options is printed by running 'configure --help'.

    'configure' can be launched from a directory different from the FFmpeg
    sources to build the objects out of tree. To do this, use an absolute
    path when launching 'configure', e.g. '/ffmpegdir/ffmpeg/configure'.

    2) Then type 'make' to build FFmpeg. GNU Make 3.81 or later is required.

    3) Type 'make install' to install all binaries and libraries you built.

    NOTICE

    - Non system dependencies (e.g. libx264, libvpx) are disabled by default.

    I don't know why make install tries to execute this file. Here is the content of the Makefile :

    MAIN_MAKEFILE=1
    include config.mak

    vpath %.c    $(SRC_PATH)
    vpath %.cpp  $(SRC_PATH)
    vpath %.h    $(SRC_PATH)
    vpath %.S    $(SRC_PATH)
    vpath %.asm  $(SRC_PATH)
    vpath %.v    $(SRC_PATH)
    vpath %.texi $(SRC_PATH)
    vpath %/fate_config.sh.template $(SRC_PATH)

    PROGS-$(CONFIG_FFMPEG)   += ffmpeg
    PROGS-$(CONFIG_FFPLAY)   += ffplay
    PROGS-$(CONFIG_FFPROBE)  += ffprobe
    PROGS-$(CONFIG_FFSERVER) += ffserver

    PROGS      := $(PROGS-yes:%=%$(PROGSSUF)$(EXESUF))
    INSTPROGS   = $(PROGS-yes:%=%$(PROGSSUF)$(EXESUF))
    OBJS        = cmdutils.o
    OBJS-ffmpeg = ffmpeg_opt.o ffmpeg_filter.o
    TESTTOOLS   = audiogen videogen rotozoom tiny_psnr base64
    HOSTPROGS  := $(TESTTOOLS:%=tests/%) doc/print_options
    TOOLS       = qt-faststart trasher
    TOOLS-$(CONFIG_ZLIB) += cws2fws

    BASENAMES   = ffmpeg ffplay ffprobe ffserver
    ALLPROGS    = $(BASENAMES:%=%$(PROGSSUF)$(EXESUF))
    ALLPROGS_G  = $(BASENAMES:%=%$(PROGSSUF)_g$(EXESUF))
    ALLMANPAGES = $(BASENAMES:%=%.1)

    FFLIBS-$(CONFIG_AVDEVICE) += avdevice
    FFLIBS-$(CONFIG_AVFILTER) += avfilter
    FFLIBS-$(CONFIG_AVFORMAT) += avformat
    FFLIBS-$(CONFIG_AVRESAMPLE) += avresample
    FFLIBS-$(CONFIG_AVCODEC)  += avcodec
    FFLIBS-$(CONFIG_POSTPROC) += postproc
    FFLIBS-$(CONFIG_SWRESAMPLE)+= swresample
    FFLIBS-$(CONFIG_SWSCALE)  += swscale

    FFLIBS := avutil

    DATA_FILES := $(wildcard $(SRC_PATH)/presets/*.ffpreset) $(SRC_PATH)/doc/ffprobe.xsd
    EXAMPLES_FILES := $(wildcard $(SRC_PATH)/doc/examples/*.c) $(SRC_PATH)/doc/examples/Makefile

    SKIPHEADERS = cmdutils_common_opts.h

    include $(SRC_PATH)/common.mak

    FF_EXTRALIBS := $(FFEXTRALIBS)
    FF_DEP_LIBS  := $(DEP_LIBS)

    all: $(PROGS)

    $(PROGS): %$(EXESUF): %_g$(EXESUF)
       $(CP) $< $@
       $(STRIP) $@

    $(TOOLS): %$(EXESUF): %.o
       $(LD) $(LDFLAGS) $(LD_O) $< $(ELIBS)

    tools/cws2fws$(EXESUF): ELIBS = $(ZLIB)

    config.h: .config
    .config: $(wildcard $(FFLIBS:%=$(SRC_PATH)/lib%/all*.c))
       @-tput bold 2>/dev/null
       @-printf '\nWARNING: $(?F) newer than config.h, rerun configure\n\n'
       @-tput sgr0 2>/dev/null

    SUBDIR_VARS := CLEANFILES EXAMPLES FFLIBS HOSTPROGS TESTPROGS TOOLS      \
                  ARCH_HEADERS BUILT_HEADERS SKIPHEADERS                    \
                  ARMV5TE-OBJS ARMV6-OBJS ARMVFP-OBJS NEON-OBJS             \
                  MMI-OBJS ALTIVEC-OBJS VIS-OBJS                            \
                  MMX-OBJS YASM-OBJS                                        \
                  MIPSFPU-OBJS MIPSDSPR2-OBJS MIPSDSPR1-OBJS MIPS32R2-OBJS  \
                  OBJS HOSTOBJS TESTOBJS

    define RESET
    $(1) :=
    $(1)-yes :=
    endef

    define DOSUBDIR
    $(foreach V,$(SUBDIR_VARS),$(eval $(call RESET,$(V))))
    SUBDIR := $(1)/
    include $(SRC_PATH)/$(1)/Makefile
    -include $(SRC_PATH)/$(1)/$(ARCH)/Makefile
    include $(SRC_PATH)/library.mak
    endef

    $(foreach D,$(FFLIBS),$(eval $(call DOSUBDIR,lib$(D))))

    define DOPROG
    OBJS-$(1) += $(1).o
    $(1)$(PROGSSUF)_g$(EXESUF): $(OBJS-$(1))
    $$(OBJS-$(1)): CFLAGS  += $(CFLAGS-$(1))
    $(1)$(PROGSSUF)_g$(EXESUF): LDFLAGS += $(LDFLAGS-$(1))
    $(1)$(PROGSSUF)_g$(EXESUF): FF_EXTRALIBS += $(LIBS-$(1))
    -include $$(OBJS-$(1):.o=.d)
    endef

    $(foreach P,$(PROGS-yes),$(eval $(call DOPROG,$(P))))

    %$(PROGSSUF)_g$(EXESUF): %.o cmdutils.o $(FF_DEP_LIBS)
       $(LD) $(LDFLAGS) $(LD_O) $(OBJS-$*) cmdutils.o $(FF_EXTRALIBS)

    OBJDIRS += tools

    -include $(wildcard tools/*.d)

    VERSION_SH  = $(SRC_PATH)/version.sh
    GIT_LOG     = $(SRC_PATH)/.git/logs/HEAD

    .version: $(wildcard $(GIT_LOG)) $(VERSION_SH) config.mak
    .version: M=@

    version.h .version:
       $(M)$(VERSION_SH) $(SRC_PATH) version.h $(EXTRA_VERSION)
       $(Q)touch .version

    # force version.sh to run whenever version might have changed
    -include .version

    ifdef PROGS
    install: install-progs install-data
    endif

    install: install-libs install-headers

    install-libs: install-libs-yes

    install-progs-yes:
    install-progs-$(CONFIG_SHARED): install-libs

    install-progs: install-progs-yes $(PROGS)
       $(Q)mkdir -p "$(BINDIR)"
       $(INSTALL) -c -m 755 $(INSTPROGS) "$(BINDIR)"

    install-data: $(DATA_FILES) $(EXAMPLES_FILES)
       $(Q)mkdir -p "$(DATADIR)/examples"
       $(INSTALL) -m 644 $(DATA_FILES) "$(DATADIR)"
       $(INSTALL) -m 644 $(EXAMPLES_FILES) "$(DATADIR)/examples"

    uninstall: uninstall-libs uninstall-headers uninstall-progs uninstall-data

    uninstall-progs:
       $(RM) $(addprefix "$(BINDIR)/", $(ALLPROGS))

    uninstall-data:
       $(RM) -r "$(DATADIR)"

    clean::
       $(RM) $(ALLPROGS) $(ALLPROGS_G)
       $(RM) $(CLEANSUFFIXES)
       $(RM) $(TOOLS)
       $(RM) $(CLEANSUFFIXES:%=tools/%)
       $(RM) coverage.info
       $(RM) -r coverage-html

    distclean::
       $(RM) $(DISTCLEANSUFFIXES)
       $(RM) config.* .version version.h libavutil/avconfig.h libavcodec/codec_names.h

    config:
       $(SRC_PATH)/configure $(value FFMPEG_CONFIGURATION)

    # Without the sed genthml thinks "libavutil" and "./libavutil" are two different things
    coverage.info: $(wildcard *.gcda *.gcno */*.gcda */*.gcno */*/*.gcda */*/*.gcno)
       $(Q)lcov -c -d . -b . | sed -e 's#/./#/#g' > $@

    coverage-html: coverage.info
       $(Q)mkdir -p $@
       $(Q)genhtml -o $@ $<
       $(Q)touch $@

    check: all alltools examples testprogs fate

    include $(SRC_PATH)/doc/Makefile
    include $(SRC_PATH)/tests/Makefile

    $(sort $(OBJDIRS)):
       $(Q)mkdir -p $@

    # Dummy rule to stop make trying to rebuild removed or renamed headers
    %.h:
       @:

    # Disable suffix rules.  Most of the builtin rules are suffix rules,
    # so this saves some time on slow systems.
    .SUFFIXES:

    .PHONY: all all-yes alltools check *clean config install*
    .PHONY: testprogs uninstall*
  • ffmpeg with frei0r libraries fails on os x 10.14.6

    13 novembre 2019, par Bernhard Wagner

    I’m on Mac OS X 10.14.6 (Mojave), used homebrew to install both ffmpeg and frei0r.
    If you check the output below, the option --enable-frei0r is there.

    I verified the path to the frei0r libaries and call ffmpeg like this :

    FREI0R_PATH=/usr/local/Cellar/frei0r/1.6.1/lib/frei0r-1/ ffmpeg -v debug -i running.mkv -filter:v frei0r=pixeliz0r=0.02:0.02 pixel.mkv

    however it fails the exact same way as if I hadn’t passed the env var FREI0R_PATH :

    FREI0R_PATH=/usr/local/Cellar/frei0r/1.6.1/lib/frei0r-1/ ffmpeg -y -v debug -i running.mkv -filter:v frei0r=pixeliz0r=0.02:0.02 pixel.mkv
    ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
     built with Apple clang version 11.0.0 (clang-1100.0.33.8)
     configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.1_2 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags='-I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include -I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include/darwin -fno-stack-check' --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-indev=jack
     libavutil      56. 31.100 / 56. 31.100
     libavcodec     58. 54.100 / 58. 54.100
     libavformat    58. 29.100 / 58. 29.100
     libavdevice    58.  8.100 / 58.  8.100
     libavfilter     7. 57.100 /  7. 57.100
     libavresample   4.  0.  0 /  4.  0.  0
     libswscale      5.  5.100 /  5.  5.100
     libswresample   3.  5.100 /  3.  5.100
     libpostproc    55.  5.100 / 55.  5.100
    Splitting the commandline.
    Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
    Reading option '-v' ... matched as option 'v' (set logging level) with argument 'debug'.
    Reading option '-i' ... matched as input url with argument 'running.mkv'.
    Reading option '-filter:v' ... matched as option 'filter' (set stream filtergraph) with argument 'frei0r=pixeliz0r=0.02:0.02'.
    Reading option 'pixel.mkv' ... matched as output url.
    Finished splitting the commandline.
    Parsing a group of options: global .
    Applying option y (overwrite output files) with argument 1.
    Applying option v (set logging level) with argument debug.
    Successfully parsed a group of options.
    Parsing a group of options: input url running.mkv.
    Successfully parsed a group of options.
    Opening an input file: running.mkv.
    [NULL @ 0x7f894e002000] Opening 'running.mkv' for reading
    [file @ 0x7f894ce20f40] Setting default whitelist 'file,crypto'
    [matroska,webm @ 0x7f894e002000] Format matroska,webm probed with size=2048 and score=100
    st:0 removing common factor 1000000 from timebase
    st:1 removing common factor 1000000 from timebase
    [matroska,webm @ 0x7f894e002000] Before avformat_find_stream_info() pos: 1021 bytes read:32768 seeks:0 nb_streams:2
    [h264 @ 0x7f894e003400] nal_unit_type: 7(SPS), nal_ref_idc: 3
    [h264 @ 0x7f894e003400] nal_unit_type: 8(PPS), nal_ref_idc: 3
    [h264 @ 0x7f894e003400] nal_unit_type: 7(SPS), nal_ref_idc: 3
    [h264 @ 0x7f894e003400] nal_unit_type: 8(PPS), nal_ref_idc: 3
    [h264 @ 0x7f894e003400] nal_unit_type: 5(IDR), nal_ref_idc: 1
    [h264 @ 0x7f894e003400] Format yuv420p chosen by get_format().
    [h264 @ 0x7f894e003400] Reinit context to 1280x720, pix_fmt: yuv420p
    [h264 @ 0x7f894e003400] no picture
    [matroska,webm @ 0x7f894e002000] All info found
    [matroska,webm @ 0x7f894e002000] After avformat_find_stream_info() pos: 26157 bytes read:32768 seeks:0 frames:5
    Input #0, matroska,webm, from 'running.mkv':
     Metadata:
       MINOR_VERSION   : 0
       COMPATIBLE_BRANDS: iso6avc1mp41
       MAJOR_BRAND     : dash
       ENCODER         : Lavf58.29.100
     Duration: 00:00:46.22, start: -0.013000, bitrate: 2189 kb/s
       Stream #0:0, 3, 1/1000: Video: h264 (Main), 1 reference frame, yuv420p(tv, bt709, progressive, left), 1280x720 [SAR 1:1 DAR 16:9], 0/1, 60 fps, 60 tbr, 1k tbn, 120 tbc (default)
       Metadata:
         HANDLER_NAME    : ISO Media file produced by Google Inc.
         DURATION        : 00:00:46.216000000
       Stream #0:1(eng), 2, 1/1000: Audio: opus, 48000 Hz, stereo, fltp, delay 312 (default)
       Metadata:
         DURATION        : 00:00:46.194000000
    Successfully opened the file.
    Parsing a group of options: output url pixel.mkv.
    Applying option filter:v (set stream filtergraph) with argument frei0r=pixeliz0r=0.02:0.02.
    Successfully parsed a group of options.
    Opening an output file: pixel.mkv.
    [file @ 0x7f894ce22840] Setting default whitelist 'file,crypto'
    Successfully opened the file.
    detected 4 logical cores
    [h264 @ 0x7f894d006a00] nal_unit_type: 7(SPS), nal_ref_idc: 3
    [h264 @ 0x7f894d006a00] nal_unit_type: 8(PPS), nal_ref_idc: 3
    Stream mapping:
     Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
     Stream #0:1 -> #0:1 (opus (native) -> vorbis (libvorbis))
    Press [q] to stop, [?] for help
    cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
       Last message repeated 1 times
    [opus @ 0x7f894d020000] skip 312/960 samples
    [h264 @ 0x7f894d006a00] nal_unit_type: 5(IDR), nal_ref_idc: 1
    [h264 @ 0x7f894d006a00] Format yuv420p chosen by get_format().
    [h264 @ 0x7f894d006a00] Reinit context to 1280x720, pix_fmt: yuv420p
    [graph_1_in_0_1 @ 0x7f894ce3f740] Setting 'time_base' to value '1/48000'
    [graph_1_in_0_1 @ 0x7f894ce3f740] Setting 'sample_rate' to value '48000'
    [h264 @ 0x7f894d006a00] no picture
    [graph_1_in_0_1 @ 0x7f894ce3f740] Setting 'sample_fmt' to value 'fltp'
    [graph_1_in_0_1 @ 0x7f894ce3f740] Setting 'channel_layout' to value '0x3'
    [graph_1_in_0_1 @ 0x7f894ce3f740] tb:1/48000 samplefmt:fltp samplerate:48000 chlayout:0x3
    [format_out_0_1 @ 0x7f894ce3fdc0] Setting 'sample_fmts' to value 'fltp'
    [AVFilterGraph @ 0x7f894cc07180] query_formats: 4 queried, 9 merged, 0 already done, 0 delayed
    cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
       Last message repeated 2 times
    [h264 @ 0x7f894d007000] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    [h264 @ 0x7f894e030800] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    [h264 @ 0x7f894e030e00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
       Last message repeated 1 times
    [h264 @ 0x7f894e017c00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    [h264 @ 0x7f894d006a00] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
    [Parsed_frei0r_0 @ 0x7f894ce4fe40] Setting 'pixeliz0r' to value '0.02'
    [Parsed_frei0r_0 @ 0x7f894ce4fe40] Option 'pixeliz0r' not found
    [AVFilterGraph @ 0x7f894cc08340] Error initializing filter 'frei0r' with args 'pixeliz0r=0.02:0.02'
    Error reinitializing filters!
    Failed to inject frame into filter network: Option not found
    Error while processing the decoded data for stream #0:0
    [AVIOContext @ 0x7f894cc06400] Statistics: 0 seeks, 0 writeouts
    [libvorbis @ 0x7f894d800c00] 44 frames left in the queue on closing
    [AVIOContext @ 0x7f894ce21080] Statistics: 65536 bytes read, 0 seeks
    Conversion failed!