我目前遇到了ffmpeg及其中一个过滤器的问题.
我正在尝试将视频的2个音频流合并为一个.为此我尝试了这个命令:
ffmpeg -i /home/maniaplanet/Videos/ManiaPlanet\ 2014-08-21\ 20-09-13-082.avi.output.mkv -filter_complex "[0:1][0:2] amerge=inputs=2"-c:v copy -c:a libvo_aacenc -b:a 256k /var/www/files/output.mp4
但我得到这个输出:
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 '/home/maniaplanet/Videos/ManiaPlanet 2014-08-21 20-09-13-082.avi.output.mkv': Metadata: ISRC : Video:RGB24 Audio0:Headset (2- Plantronics .Audio 655 DSP) Audio1:Headset (2- Plantronics .Audio 655 DSP) ENCODER : Lavf55.37.100 Duration: 01:49:48.47, start: 0.000000, bitrate: 3867 kb/s Stream #0:0: Video: h264 (High), yuv420p, 1280x1024, SAR 1:1 DAR 5:4, 30 fps, 30 tbr, 1k tbn, 60 tbc (default) Stream #0:1: Audio: mp3, 48000 Hz, stereo, s16, 320 kb/s (default) Stream #0:2: Audio: mp3, 48000 Hz, stereo, s16, 320 kb/s (default) File '/var/www/files/output.mp4' already exists. Overwrite ? [y/N] y Input channel layouts overlap: output layout will be determined by the number of distinct input channels [libvo_aacenc @ 0x7ae800] Unable to set encoding parameters Output #0, mp4, to '/var/www/files/output.mp4': Metadata: ISRC : Video:RGB24 Audio0:Headset (2- Plantronics .Audio 655 DSP) Audio1:Headset (2- Plantronics .Audio 655 DSP) ENCODER : Lavf55.37.100 Stream #0:0: Audio: aac, 48000 Hz, 4.0, s16, 256 kb/s Stream #0:1: Video: h264, yuv420p, 1280x1024 [SAR 1:1 DAR 5:4], q=2-31, 30 fps, 90k tbn, 1k tbc (default) Stream mapping: Stream #0:1 (mp3) -> amerge:in0 Stream #0:2 (mp3) -> amerge:in1 amerge -> Stream #0:0 (libvo_aacenc) Stream #0:0 -> #0:1 (copy) Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
我认为重要的部分是在底部:
Stream mapping: Stream #0:1 (mp3) -> amerge:in0 Stream #0:2 (mp3) -> amerge:in1 amerge -> Stream #0:0 (libvo_aacenc) Stream #0:0 -> #0:1 (copy)
它将视频流映射为第二个流,音频首先获得.我该如何解决这个问题?-map
没有帮助.(也许我只是用错了)