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How can I recover the return value of a function passed to multiprocessing.Process?
In the example code below, I'd like to recover the return value of the function worker . How can I go about doing this? Where is this value stored?
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Get ffmpeg information in friendly way
Every time I try to get some information about my video files with ffmpeg, it pukes a lot of useless information mixed with good things.
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Concurrent.futures vs Multiprocessing in Python 3
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I wouldn't call concurrent.futures more "advanced" - it's a simpler interface that works very much the same regardless of whether you use multiple threads or multiple processes as the underlying parallelization gimmick.
So, like virtually all instances of "simpler interface", much the s...
How can I extract a good quality JPEG image from a video file with ffmpeg?
... option (because the default is -qmin 2).
To output a series of images:
ffmpeg -i input.mp4 -qscale:v 2 output_%03d.jpg
See the image muxer documentation for more options involving image outputs.
To output a single image at ~60 seconds duration:
ffmpeg -ss 60 -i input.mp4 -qscale:v 4 -frames:v 1 o...
站长投放广告绝对不做的事:Google Adsense和百度联盟广告违规分析 - 更多技...
...1、版权问题的网站博客禁止投放Google Adsense。主要是音乐MP3、视频、新闻组和图像结果等内容的网页上。例如电影类的网站、纯粹的新闻网站、纯粹的图片网站、引用第三方的视频内容构造的博客网站。
2、“版权材料”就是指...
How do I export UIImage array as a movie?
...nput of type AVAssetWriterInput, which in turn has a method called appendSampleBuffer: that lets you add individual frames to a video stream. Essentially you’ll have to:
1) Wire the writer:
NSError *error = nil;
AVAssetWriter *videoWriter = [[AVAssetWriter alloc] initWithURL:
[NSURL fileURLW...
How do I make JavaScript beep?
...to embed a short WAV file in the HTML, and then play that via code.
An Example:
<script>
function PlaySound(soundObj) {
var sound = document.getElementById(soundObj);
sound.Play();
}
</script>
<embed src="success.wav" autostart="false" width="0" height="0" id="sound1"
enablejav...
Alarm Manager Example
I want to implement a schedule function in my project. So I Googled for an Alarm manager program but I can`t find any examples.
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Error when installing windows SDK 7.1
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CAUSE
This issue occurs when you install the Windows 7 SDK on a computer
that has a newer version of the Visual C++ 2010 Redistributable
installed.
RESOLUTION
To resolve this issue, you must uninstall all versions of the Visual
C++ 2010 Redistributable before installing the Win...
clang: how to list supported target architectures?
...targets. But I just want to know more about clang, since it feels to play important role in the years to come.
8 Answers
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