视频添加背景功能（给视频添加一张设计好的背景图片）

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于 2025-01-17 09:09:57 发布 · 806 阅读

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#音视频 #视频添加背景

视频添加背景功能，给视频添加一张设计好的背景图片：

ffmpeg -loop 1 -i shipin_bg.png -i  202208041650061231351604.mp4 -filter_complex 'overlay=(W-w)/2:(H-h)/2:shortest=1,format=yuv420p' -c:a copy 202208041650061231351604_new.mp4

在视频左下角添加图片水印

ffmpeg -i input.mp4 -i logo.png -filter_complex 'overlay=x=10:y=main_h-overlay_h-10' output.mp4

The more important highlights of the release are that the VVC decoder, merged as experimental in version 7.0, has had enough time to mature and be optimized enough to be declared as stable. The codec is starting to gain traction with broadcast standardization bodies.
Support has been added for a native AAC USAC (part of the xHE-AAC coding system) decoder, with the format starting to be adopted by streaming websites, due to its extensive volume normalization metadata.
MV-HEVC decoding is now supported. This is a stereoscopic coding tool that begun to be shipped an