Hi all. I have ffmpeg installed from MacPorts and apparently x264 does not
support yuv420p! I can probably fix this by recompiling myself, but I’m
curious how did they remove support for this common pixel format? I don’t see
anything relevant in the configuration listed.
$ ffmpeg -h encoder=libx264
ffmpeg version 3.4.git Copyright (c) 2000-2018 the FFmpeg developers
built with Apple LLVM version 9.1.0 (clang-902.0.39.2)
configuration: --prefix=/opt/local --enable-swscale --enable-avfilter
--enable-avresample --enable-libmp3lame --enable-libvorbis --enable-libopus
--enable-librsvg --enable-libtheora --enable-libopenjpeg --enable-libmodplug
--enable-libvpx --enable-libsoxr --enable-libspeex --enable-libass
--enable-libbluray --enable-lzma --enable-gnutls --enable-fontconfig
--enable-libfreetype --enable-libfribidi --disable-libjack
--disable-libopencore-amrnb --disable-libopencore-amrwb --disable-libxcb
--disable-libxcb-shm --disable-libxcb-xfixes --disable-indev=jack
--enable-opencl --disable-outdev=xv --enable-audiotoolbox --enable-videotoolbox
--enable-sdl2 --mandir=/opt/local/share/man --enable-shared --enable-pthreads
--cc=/usr/bin/clang --arch=x86_64 --enable-x86asm --enable-libx265 --enable-gpl
--enable-postproc --enable-libx264 --enable-libxvid --enable-nonfree
--enable-libfdk-aac
libavutil 56. 18.102 / 56. 18.102
libavcodec 58. 19.102 / 58. 19.102
libavformat 58. 16.100 / 58. 16.100
libavdevice 58. 4.100 / 58. 4.100
libavfilter 7. 24.100 / 7. 24.100
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
Encoder libx264 [libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10]:
General capabilities: delay threads
Threading capabilities: auto
Supported pixel formats: yuv420p10le yuv422p10le yuv444p10le nv20le
libx264 AVOptions:
-preset <string> E..V..... Set the encoding preset (cf. x264
--fullhelp) (default "medium")
-tune <string> E..V..... Tune the encoding params (cf. x264
--fullhelp)
-profile <string> E..V..... Set profile restrictions (cf. x264
--fullhelp)
-fastfirstpass <boolean> E..V..... Use fast settings when encoding
first pass (default true)
-level <string> E..V..... Specify level (as defined by Annex
A)
-passlogfile <string> E..V..... Filename for 2 pass stats
-wpredp <string> E..V..... Weighted prediction for P-frames
-a53cc <boolean> E..V..... Use A53 Closed Captions (if
available) (default true)
-x264opts <string> E..V..... x264 options
-crf <float> E..V..... Select the quality for constant
quality mode (from -1 to FLT_MAX) (default -1)
-crf_max <float> E..V..... In CRF mode, prevents VBV from
lowering quality beyond this point. (from -1 to FLT_MAX) (default -1)
-qp <int> E..V..... Constant quantization parameter
rate control method (from -1 to INT_MAX) (default -1)
-aq-mode <int> E..V..... AQ method (from -1 to INT_MAX)
(default -1)
none E..V.....
variance E..V..... Variance AQ (complexity mask)
autovariance E..V..... Auto-variance AQ
autovariance-biased E..V..... Auto-variance AQ with bias to
dark scenes
-aq-strength <float> E..V..... AQ strength. Reduces blocking and
blurring in flat and textured areas. (from -1 to FLT_MAX) (default -1)
-psy <boolean> E..V..... Use psychovisual optimizations.
(default auto)
-psy-rd <string> E..V..... Strength of psychovisual
optimization, in <psy-rd>:<psy-trellis> format.
-rc-lookahead <int> E..V..... Number of frames to look ahead for
frametype and ratecontrol (from -1 to INT_MAX) (default -1)
-weightb <boolean> E..V..... Weighted prediction for B-frames.
(default auto)
-weightp <int> E..V..... Weighted prediction analysis
method. (from -1 to INT_MAX) (default -1)
none E..V.....
simple E..V.....
smart E..V.....
-ssim <boolean> E..V..... Calculate and print SSIM stats.
(default auto)
-intra-refresh <boolean> E..V..... Use Periodic Intra Refresh instead
of IDR frames. (default auto)
-bluray-compat <boolean> E..V..... Bluray compatibility workarounds.
(default auto)
-b-bias <int> E..V..... Influences how often B-frames are
used (from INT_MIN to INT_MAX) (default INT_MIN)
-b-pyramid <int> E..V..... Keep some B-frames as references.
(from -1 to INT_MAX) (default -1)
none E..V.....
strict E..V..... Strictly hierarchical pyramid
normal E..V..... Non-strict (not Blu-ray compatible)
-mixed-refs <boolean> E..V..... One reference per partition, as
opposed to one reference per macroblock (default auto)
-8x8dct <boolean> E..V..... High profile 8x8 transform.
(default auto)
-fast-pskip <boolean> E..V..... (default auto)
-aud <boolean> E..V..... Use access unit delimiters.
(default auto)
-mbtree <boolean> E..V..... Use macroblock tree ratecontrol.
(default auto)
-deblock <string> E..V..... Loop filter parameters, in
<alpha:beta> form.
-cplxblur <float> E..V..... Reduce fluctuations in QP (before
curve compression) (from -1 to FLT_MAX) (default -1)
-partitions <string> E..V..... A comma-separated list of
partitions to consider. Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all
-direct-pred <int> E..V..... Direct MV prediction mode (from -1
to INT_MAX) (default -1)
none E..V.....
spatial E..V.....
temporal E..V.....
auto E..V.....
-slice-max-size <int> E..V..... Limit the size of each slice in
bytes (from -1 to INT_MAX) (default -1)
-stats <string> E..V..... Filename for 2 pass stats
-nal-hrd <int> E..V..... Signal HRD information (requires
vbv-bufsize; cbr not allowed in .mp4) (from -1 to INT_MAX) (default -1)
none E..V.....
vbr E..V.....
cbr E..V.....
-avcintra-class <int> E..V..... AVC-Intra class 50/100/200 (from -1
to 200) (default -1)
-me_method <int> E..V..... Set motion estimation method (from
-1 to 4) (default -1)
dia E..V.....
hex E..V.....
umh E..V.....
esa E..V.....
tesa E..V.....
-motion-est <int> E..V..... Set motion estimation method (from
-1 to 4) (default -1)
dia E..V.....
hex E..V.....
umh E..V.....
esa E..V.....
tesa E..V.....
-forced-idr <boolean> E..V..... If forcing keyframes, force them as
IDR frames. (default false)
-coder <int> E..V..... Coder type (from -1 to 1) (default
default)
default E..V.....
cavlc E..V.....
cabac E..V.....
vlc E..V.....
ac E..V.....
-b_strategy <int> E..V..... Strategy to choose between
I/P/B-frames (from -1 to 2) (default -1)
-chromaoffset <int> E..V..... QP difference between chroma and
luma (from INT_MIN to INT_MAX) (default -1)
-sc_threshold <int> E..V..... Scene change threshold (from
INT_MIN to INT_MAX) (default -1)
-noise_reduction <int> E..V..... Noise reduction (from INT_MIN to
INT_MAX) (default -1)
-x264-params <string> E..V..... Override the x264 configuration
using a :-separated list of key=value parameters
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