我正在尝试使用 ffmpeg硬编码字幕，但它给出了这个错误:
No such filter: 'subtitles'
Error opening filters!
我的
ffmpeg命令和完整的控制台输出:root@srv96:/home/Kawaii/web/mysite.com/public_html# ffmpeg -i input.mkv -vf subtitles=input.mkv output.mp4
ffmpeg version 1.0.10 Copyright (c) 2000-2014 the FFmpeg developers
built on Jul 25 2014 07:50:40 with gcc 4.7 (Debian 4.7.2-5)
configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libvpx --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/x86_64-linux-gnu --disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl --enable-libass --enable-libopus --enable-fontconfig --enable-libfdk-aac --enable-libdc1394 --disable-altivec --dis libavutil 51. 73.101 / 51. 73.101
libavcodec 54. 59.100 / 54. 59.100
libavformat 54. 29.104 / 54. 29.104
libavdevice 54. 2.101 / 54. 2.101
libavfilter 3. 17.100 / 3. 17.100
libswscale 2. 1.101 / 2. 1.101
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
Input #0, matroska,webm, from 'input.mkv':
Metadata:
creation_time : 2015-11-22 10:34:03
Duration: 00:12:30.22, start: 0.000000, bitrate: 578 kb/s
Stream #0:0: Video: h264 (High), yuv420p, 1280x720, SAR 1:1 DAR 16:9, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
Metadata:
BPS : 524797
BPS-eng : 524797
DURATION : 00:12:30.083000000
DURATION-eng : 00:12:30.083000000
NUMBER_OF_FRAMES: 17984
NUMBER_OF_FRAMES-eng: 17984
NUMBER_OF_BYTES : 49205170
NUMBER_OF_BYTES-eng: 49205170
_STATISTICS_WRITING_APP: mkvmerge v8.3.0 ('Over the Horizon') 64bit
_STATISTICS_WRITING_APP-eng: mkvmerge v8.3.0 ('Over the Horizon') 64bit
_STATISTICS_WRITING_DATE_UTC: 2015-11-22 10:34:03
_STATISTICS_WRITING_DATE_UTC-eng: 2015-11-22 10:34:03
_STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
Stream #0:1(jpn): Audio: aac, 48000 Hz, stereo, s16 (default)
Metadata:
BPS : 52275
BPS-eng : 52275
DURATION : 00:12:30.209000000
DURATION-eng : 00:12:30.209000000
NUMBER_OF_FRAMES: 17583
NUMBER_OF_FRAMES-eng: 17583
NUMBER_OF_BYTES : 4902222
NUMBER_OF_BYTES-eng: 4902222
_STATISTICS_WRITING_APP: mkvmerge v8.3.0 ('Over the Horizon') 64bit
_STATISTICS_WRITING_APP-eng: mkvmerge v8.3.0 ('Over the Horizon') 64bit
_STATISTICS_WRITING_DATE_UTC: 2015-11-22 10:34:03
_STATISTICS_WRITING_DATE_UTC-eng: 2015-11-22 10:34:03
_STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
Stream #0:2: Subtitle: ssa (default)
Metadata:
BPS : 94
BPS-eng : 94
DURATION : 00:12:29.290000000
DURATION-eng : 00:12:29.290000000
NUMBER_OF_FRAMES: 166
NUMBER_OF_FRAMES-eng: 166
NUMBER_OF_BYTES : 8841
NUMBER_OF_BYTES-eng: 8841
_STATISTICS_WRITING_APP: mkvmerge v8.3.0 ('Over the Horizon') 64bit
_STATISTICS_WRITING_APP-eng: mkvmerge v8.3.0 ('Over the Horizon') 64bit
_STATISTICS_WRITING_DATE_UTC: 2015-11-22 10:34:03
_STATISTICS_WRITING_DATE_UTC-eng: 2015-11-22 10:34:03
_STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
[AVFilterGraph @ 0x6e4a60] No such filter: 'subtitles'
Error opening filters!
root@srv96:/home/Kawaii/web/mysite.com/public_html#
我正在使用Debian 7。
最佳答案
您的 ffmpeg太旧了。 Download a build或 compile .
确保它配置为 --enable-libass .
关于FFmpeg，错误硬编码字幕，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/34697488/