从ts文件提取arib字幕

编译ffmpeg添加libaribcaption libaribcaption cd libaribcaption mkdir build cd build cmake .. -DCMAKE_BUILD_TYPE=Release cmake --build . -j8 cmake --install . ffmpeg git clone https://git.ffmpeg.org/ffmpeg.git cd ffmpeg ./configure --enable-libaribcaption --enable-gpl --enable-nonfree sudo make -j$(nproc) 提取字幕 输出ass字幕: ./ffmpeg -analyzeduration 10MB -probesize