命令

ffmpeg -i E:/jianji.mp4 -i e:/logo.png -filter_complex overlay=W-w e:/jianji_logo.mp4

执行结果:

C:\Users\Administrator>ffmpeg -i E:/jianji.mp4 -i e:/logo.png -filter_complex overlay=W-w e:/jianji_logo.mp4
ffmpeg version N-105774-g644b6ed3ff-20220226 Copyright (c) 2000-2022 the FFmpeg
developers
  built with gcc 11.2.0 (crosstool-NG 1.24.0.533_681aaef)
  configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-conf
ig=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw
32 --enable-gpl --enable-version3 --disable-debug --disable-w32threads --enable-
pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --en
able-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbi
s --enable-opencl --disable-libpulse --enable-libvmaf --disable-libxcb --disable
-xlib --enable-amf --enable-libaom --enable-avisynth --enable-libdav1d --enable-
libdavs2 --disable-libfdk-aac --enable-ffnvcodec --enable-cuda-llvm --enable-fre
i0r --enable-libgme --enable-libass --enable-libbluray --enable-libmp3lame --ena
ble-libopus --enable-librist --enable-libtheora --enable-libvpx --enable-libwebp
 --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-am
rwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-libra
v1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --en
able-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --disable-
libdrm --disable-vaapi --enable-libvidstab --enable-vulkan --enable-libshaderc -
-enable-libplacebo --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-
libxvid --enable-libzimg --enable-libzvbi --extra-cflags=-DLIBTWOLAME_STATIC --e
xtra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomp
--extra-version=20220226
  libavutil      57. 21.100 / 57. 21.100
  libavcodec     59. 21.100 / 59. 21.100
  libavformat    59. 17.102 / 59. 17.102
  libavdevice    59.  5.100 / 59.  5.100
  libavfilter     8. 27.100 /  8. 27.100
  libswscale      6.  5.100 /  6.  5.100
  libswresample   4.  4.100 /  4.  4.100
  libpostproc    56.  4.100 / 56.  4.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'E:/jianji.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf59.17.102
    description     : Packed by Bilibili XCoder v2.0.2
  Duration: 00:00:05.17, start: 0.021995, bitrate: 331 kb/s
  Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progres
sive), 1920x1080 [SAR 1:1 DAR 16:9], 15850 kb/s, 29.71 fps, 29.41 tbr, 16k tbn (
default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : [0][0][0][0]
  Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo,
fltp, 125 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
      vendor_id       : [0][0][0][0]
Input #1, png_pipe, from 'e:/logo.png':
  Duration: N/A, bitrate: N/A
  Stream #1:0: Video: png, pal8(pc), 190x190, 25 fps, 25 tbr, 25 tbn
Stream mapping:
  Stream #0:0 (h264) -> overlay (graph 0)
  Stream #1:0 (png) -> overlay (graph 0)
  overlay:default (graph 0) -> Stream #0:0 (libx264)
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 00000000006dfa00] using SAR=1/1
[libx264 @ 00000000006dfa00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
AVX FMA3 BMI2 AVX2
[libx264 @ 00000000006dfa00] profile High, level 4.0, 4:2:0, 8-bit
[libx264 @ 00000000006dfa00] 264 - core 164 - H.264/MPEG-4 AVC codec - Copyleft
2003-2022 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1
:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_rang
e=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_
offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interla
ced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias
=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40
intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpma
x=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'e:/jianji_logo.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    description     : Packed by Bilibili XCoder v2.0.2
    encoder         : Lavf59.17.102
  Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(progressive), 1920x1080
[SAR 1:1 DAR 16:9], q=2-31, 29.41 fps, 16k tbn
    Metadata:
      encoder         : Lavc59.21.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
  Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp,
 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
      vendor_id       : [0][0][0][0]
      encoder         : Lavc59.21.100 aac
frame=  147 fps=0.0 q=29.0 size=       0kB time=00:00:04.94 bitrate=   0.1kbits/
frame=  151 fps= 81 q=29.0 size=       0kB time=00:00:04.94 bitrate=   0.1kbits/
frame=  154 fps= 61 q=-1.0 Lsize=     249kB time=00:00:05.13 bitrate= 397.8kbits
/s dup=155 drop=0 speed=2.04x
video:164kB audio:79kB subtitle:0kB other streams:0kB global headers:0kB muxing
overhead: 2.836897%
[libx264 @ 00000000006dfa00] frame I:1     Avg QP:17.63  size:144525
[libx264 @ 00000000006dfa00] frame P:39    Avg QP:19.78  size:   328
[libx264 @ 00000000006dfa00] frame B:114   Avg QP:32.33  size:    83
[libx264 @ 00000000006dfa00] consecutive B-frames:  1.3%  0.0%  0.0% 98.7%
[libx264 @ 00000000006dfa00] mb I  I16..4: 37.2% 44.4% 18.5%
[libx264 @ 00000000006dfa00] mb P  I16..4:  0.1%  0.0%  0.1%  P16..4:  0.5%  0.0
%  0.0%  0.0%  0.0%    skip:99.4%
[libx264 @ 00000000006dfa00] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.2%  0.0
%  0.0%  direct: 0.0%  skip:99.8%  L0:27.7% L1:72.3% BI: 0.0%
[libx264 @ 00000000006dfa00] 8x8 transform intra:41.1% inter:67.7%
[libx264 @ 00000000006dfa00] coded y,uvDC,uvAC intra: 53.4% 28.3% 14.9% inter: 0
.0% 0.1% 0.0%
[libx264 @ 00000000006dfa00] i16 v,h,dc,p:  7% 40% 46%  7%
[libx264 @ 00000000006dfa00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 57%  8% 19%  3%  3%
 2%  2%  2%  4%
[libx264 @ 00000000006dfa00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 31% 28% 17%  4%  4%
 4%  4%  4%  4%
[libx264 @ 00000000006dfa00] i8c dc,h,v,p: 51% 30% 15%  4%
[libx264 @ 00000000006dfa00] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 00000000006dfa00] ref P L0: 93.3%  4.0%  2.3%  0.4%
[libx264 @ 00000000006dfa00] ref B L0: 84.9% 15.1%
[libx264 @ 00000000006dfa00] ref B L1: 89.8% 10.2%
[libx264 @ 00000000006dfa00] kb/s:254.79
[aac @ 000000000037b780] Qavg: 8987.953

看看视频的播放效果

右上角有一个youku的logo