[FFmpeg-user] --enable-filter=drawtext ignored?
Reindl Harald
h.reindl at thelounge.net
Sat Apr 2 14:06:40 CEST 2011
"--enable-filter=drawtext" seems to be ignored or
do i understand something wrong?
Filters:
anull Pass the source unchanged to the output.
anullsrc Null audio source, never return audio frames.
anullsink Do absolutely nothing with the input audio.
blackframe Detect frames that are (almost) black.
copy Copy the input video unchanged to the output.
crop Crop the input video to width:height:x:y.
cropdetect Auto-detect crop size.
drawbox Draw a colored box on the input video.
fade Fade in/out input video
fifo Buffer input images and send them when they are requested.
format Convert the input video to one of the specified pixel formats.
gradfun Debands video quickly using gradients.
hflip Horizontally flip the input video.
hqdn3d Apply a High Quality 3D Denoiser.
mp libmpcodecs wrapper.
noformat Force libavfilter not to use any of the specified pixel formats for the input to the next filter.
null Pass the source unchanged to the output.
ocv Apply transform using libopencv.
overlay Overlay a video source on top of the input.
pad Pad input image to width:height[:x:y[:color]] (default x and y: 0, default color: black).
pixdesctest Test pixel format definitions.
scale Scale the input video to width:height size and/or convert the image format.
setdar Set the frame display aspect ratio.
setpts Set PTS for the output video frame.
setsar Set the pixel sample aspect ratio.
settb Set timebase for the output link.
slicify Pass the images of input video on to next video filter as multiple slices.
transpose Transpose input video.
unsharp Sharpen or blur the input video.
vflip Flip the input video vertically.
yadif Deinterlace the input image
buffer Buffer video frames, and make them accessible to the filterchain.
color Provide an uniformly colored input, syntax is: [color[:size[:rate]]]
movie Read from a movie source.
nullsrc Null video source, never return images.
nullsink Do absolutely nothing with the input video
______________________
FFmpeg version git-N-28755-g7ac1674, Copyright (c) 2000-2011 the FFmpeg developers
built on Apr 2 2011 13:58:11 with gcc 4.5.1 20100924 (Red Hat 4.5.1-4)
configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg
--libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --extra-cflags='-O6 -march=core2 -mtune=core2 -mmmx
-msse2 -msse3 -msse4.1 -fopenmp -mfpmath=sse -fno-delete-null-pointer-checks -fstack-protector -pipe
-D_FORTIFY_SOURCE=2' --extra-version=thelounge.net --enable-nonfree --enable-gpl --enable-version3
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-version3 --enable-libdc1394 --enable-libdirac
--enable-libfaac --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libschroedinger
--enable-libspeex --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-libvpx
--enable-librtmp --enable-vdpau --enable-x11grab --enable-avfilter --enable-postproc --enable-swscale
--enable-bzlib --enable-zlib --enable-pthreads --enable-fastdiv --enable-pic --enable-libopencv
--enable-bsf=aac_adtstoasc --enable-bsf=chomp --enable-bsf=dump_extradata --enable-bsf=h264_mp4toannexb
--enable-bsf=imx_dump_header --enable-bsf=mjpeg2jpeg --enable-bsf=mjpegadump --enable-bsf=mov2textsub
--enable-bsf=mp3comp --enable-bsf=mp3decomp --enable-bsf=noise --enable-bsf=remove_extra --enable-bsf=text2movsub
--enable-filter=anull --enable-filter=anullsink --enable-filter=anullsrc --enable-filter=blackframe
--enable-filter=buffer --enable-filter=color --enable-filter=copy --enable-filter=crop --enable-filter=cropdetect
--enable-filter=drawbox --enable-filter=drawtext --enable-filter=fade --enable-filter=fifo --enable-filter=format
--enable-filter=gradfun --enable-filter=hflip --enable-filter=hqdn3d --enable-filter=movie --enable-filter=mp
--enable-filter=noformat --enable-filter=null --enable-filter=nullsink --enable-filter=nullsrc --enable-filter=ocv
--enable-filter=overlay --enable-filter=pad --enable-filter=pixdesctest --enable-filter=scale
--enable-filter=setdar --enable-filter=setpts --enable-filter=setsar --enable-filter=settb --enable-filter=slicify
--enable-filter=transpose --enable-filter=unsharp --enable-filter=vflip --enable-filter=yadif --enable-shared
--disable-static --disable-debug --disable-stripping --shlibdir=/usr/lib64 --cpu=core2 --enable-runtime-cpudetect
libavutil 50. 40. 0 / 50. 40. 0
libavcodec 52.116. 0 / 52.116. 0
libavformat 52.104. 0 / 52.104. 0
libavdevice 52. 4. 0 / 52. 4. 0
libavfilter 1. 76. 0 / 1. 76. 0
libswscale 0. 13. 0 / 0. 13. 0
libpostproc 51. 2. 0 / 51. 2. 0
______________________
2 hours ago
Stefano Sabatini drawtext: extend/clarify examples in the filter description master
commit | commitdiff | tree | snapshot
2 hours ago
Stefano Sabatini drawtext: fix wrong reference in boxcolor option descri...
commit | commitdiff | tree | snapshot
2 hours ago
Stefano Sabatini drawtext: add documentation for the shadow parameters
commit | commitdiff | tree | snapshot
2 hours ago
Stefano Sabatini drawtext: allow negative shadow offset values
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