Describe the bug: I get a Uncaught (in promise) RuntimeError: memory access out of bounds when trying to transcode to Opus with -c:a libopus. I don't get this error if I choose to transcode to another format such as MP3, so I doubt there...
-s TOTAL_MEMORY=16777216表示wasm总内存大小为约16MB,这个也是默认值,这个需要是64的倍数; -s ALLOW_MEMORY_GROWTH=1当内存超出总大小时自动扩容。 编译好之后写一个main.html,加入input[type=file]等控件,并引入上面生成的index.js,它会去加载index.wasm,并提供一个全局的Module对象操控wasm的API,包括上面在编译...
I'm getting the following errors on my NodeJS server when trying to get a video's frame: Error [RuntimeError]: operation does not support unaligned accesses Error [RuntimeError]: memory access out of bounds It seems like the memory is not being cleared between consequtive operations, so m...
这里有两个使用ffmpeg的方式,第一种是直接把第一步得到的ffmpeg文件编译成wasm: # 需要拷贝一个.bc后缀,因为emcc是根据后缀区分文件格式的 cp ffmpeg_g ffmpeg.bc emcc ffmpeg.bc-o ffmpeg.html复制代码 然后就会生成一个ffmpeg.js和ffpmeg.wasm,ffmpeg.js是用来加载和编译wasm文件以及提供一个全局的Module对象用...
使用一个file input让用户选择一个视频文件,然后读取为ArrayBuffer,传给ffmpeg.wasm处理,处理完之后,输出rgb数据画到canvas上或者是转成base64当做img标签的src属性就形成图片了。(Canvas可以直接把video dom当作drawImage的对象进而得到视频帧,不过video能播放的格式比较少,本文重点讨论ffmpeg方案的实现,因为ffmpeg还可做其...
使用一个file input让用户选择一个视频文件,然后读取为ArrayBuffer,传给ffmpeg.wasm处理,处理完之后,输出rgb数据画到canvas上或者是转成base64当做img标签的src属性就形成图片了。(Canvas可以直接把video dom当作drawImage的对象进而得到视频帧,不过video能播放的格式比较少,本文重点讨论ffmpeg方案的实现,因为ffmpeg还可做其...
使用一个file input让用户选择一个视频文件,然后读取为ArrayBuffer,传给ffmpeg.wasm处理,处理完之后,输出rgb数据画到canvas上或者是转成base64当做img标签的src属性就形成图片了。(Canvas可以直接把video dom当作drawImage的对象进而得到视频帧,不过video能播放的格式比较少,本文重点讨论ffmpeg方案的实现,因为ffmpeg还可做其...
We've been fuzzing torchvision with [sydr-fuzz](https://github.com/ispras/oss-sydr-fuzz) and found out of bounds error in ffmpeg project at audioconvert.c:151. To prevent error we need to fix checks for in and out fmt in swr_init. Signed-off-by: Eli Kobrin <kobrineli@ispras.ru...
name has been modified from 'ffmpegPtrArrKey' to 'index'. We need to ensure 'index' is defined and within the valid range before this statement. If 'index' is not defined or is out of range, it might lead to undefined behavior or even application crash due to invalid memory access. ...