有一些ffmpeg命令的问题,也许有人可以指出我正确的方向,我用这个链接来构建我的命令: SO Question
我得到的输出:
ffmpeg version N-81646-gc19da0c Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 5.4.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-libebur128 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
libavutil 55. 29.100 / 55. 29.100
libavcodec 57. 55.101 / 57. 55.101
libavformat 57. 48.103 / 57. 48.103
libavdevice 57. 0.102 / 57. 0.102
libavfilter 6. 62.100 / 6. 62.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.11.101
Duration: 00:00:25.32, start: 0.000000, bitrate: 838 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 800x600 [SAR 1:1 DAR 4:3], 702 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\Desktop\Videos\Processing\2018-05-15 14-01-16.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.84.100
Duration: 00:00:04.20, start: 0.000000, bitrate: 4476 kb/s
Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 4339 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #2, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.11.101
Duration: 00:00:25.32, start: 0.000000, bitrate: 838 kb/s
Stream #2:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 800x600 [SAR 1:1 DAR 4:3], 702 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #2:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #3, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\Desktop\Videos\Processing\2018-05-15 14-01-27.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.84.100
Duration: 00:00:04.20, start: 0.000000, bitrate: 4877 kb/s
Stream #3:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 4739 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #3:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #4, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.11.101
Duration: 00:00:25.32, start: 0.000000, bitrate: 838 kb/s
Stream #4:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 800x600 [SAR 1:1 DAR 4:3], 702 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #4:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #5, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.11.101
Duration: 00:00:25.32, start: 0.000000, bitrate: 838 kb/s
Stream #5:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 800x600 [SAR 1:1 DAR 4:3], 702 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #5:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #6, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\Desktop\Videos\Processing\2018-05-15 14-01-33.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.84.100
Duration: 00:00:04.20, start: 0.000000, bitrate: 4446 kb/s
Stream #6:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 4309 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #6:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #7, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.11.101
Duration: 00:00:25.32, start: 0.000000, bitrate: 838 kb/s
Stream #7:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 800x600 [SAR 1:1 DAR 4:3], 702 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #7:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
Metadata:
handler_name : SoundHandler
[Parsed_concat_0 @ 07212280] Input link in1:v0 parameters (size 1280x720, SAR 0:1) do not match the corresponding output link in0:v0 parameters (800x600, SAR 1:1)
[Parsed_concat_0 @ 07212280] Failed to configure output pad on Parsed_concat_0
Error configuring complex filters.
Invalid argument
我正在使用的论据:
-i "E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4" -i "E:\Desktop\Videos\Processing\2018-05-15 14-01-16.mp4" -i "E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4" -i "E:\Desktop\Videos\Processing\2018-05-15 14-01-27.mp4" -i "E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4" -i "E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4" -i "E:\Desktop\Videos\Processing\2018-05-15 14-01-33.mp4" -i "E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4" -filter_complex "[0:v] [0:a] [1:v] [1:a] [2:v] [2:a] [3:v] [3:a] [4:v] [4:a] [5:v] [5:a] [6:v] [6:a] concat=n=7:v=1:a=1 [v] [a]" -map "[v]" -map "[a]" "E:\Desktop\Videos\Processing\2018-05-15 14-01-16OUT.mp4"
根据我的理解,这样做时不应该关心视频大小?
答案 0 :(得分:1)
对于给定的输入集,您将使用
-i "E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4"
-i "E:\Desktop\Videos\Processing\2018-05-15 14-01-16.mp4"
-i "E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4"
-i "E:\Desktop\Videos\Processing\2018-05-15 14-01-27.mp4"
-i "E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4"
-i "E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4"
-i "E:\Desktop\Videos\Processing\2018-05-15 14-01-33.mp4"
-i "E:\Documents\Content Bar\Photo Booth\PhotosDrop\20180416215218.mp4"
-filter_complex "
[1:v]scale=800:600:force_original_aspect_ratio=decrease,pad=800:600:(ow-iw)/2:(oh-ih)/2,setsar=1[1v];
[3:v]scale=800:600:force_original_aspect_ratio=decrease,pad=800:600:(ow-iw)/2:(oh-ih)/2,setsar=1[3v];
[6:v]scale=800:600:force_original_aspect_ratio=decrease,pad=800:600:(ow-iw)/2:(oh-ih)/2,setsar=1[6v];
[0:v] [0:a] [1v] [1:a] [2:v] [2:a] [3v] [3:a] [4:v] [4:a] [5:v] [5:a] [6v] [6:a] concat=n=7:v=1:a=1 [v] [a]" -map "[v]" -map "[a]" "E:\Desktop\Videos\Processing\2018-05-15 14-01-16OUT.mp4"
对于每个720p输入,视频大小调整为800X600画布,SAR设置为1.
(您没有使用第8个输入。)