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How to add a new audio (not mixing) into a video using ffmpeg?
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Replace audio
ffmpeg -i video.mp4 -i audio.wav -map 0:v -map 1:a -c:v copy -shortest output.mp4
The -map option allows you to manually select streams / tracks. See FFmpeg Wiki: Map for more info.
This example uses -c:v copy to stream copy (mux) the video....
Python pandas: fill a dataframe row by row
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4 Answers
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How to throw std::exceptions with variable messages?
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49
Here is my solution:
#include <stdexcept>
#include <sstream>
class Formatter
{
pu...
Comma in C/C++ macro
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edited Sep 23 '16 at 14:57
answered Dec 12 '12 at 15:16
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Free space in a CMD shell
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114
If you run "dir c:\", the last line will give you the free disk space.
Edit:
Better solution: "...
transform object to array with lodash
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edited May 10 '17 at 6:44
answered Jul 10 '14 at 10:53
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undefined reference to `WinMain@16'
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184
Consider the following Windows API-level program:
#define NOMINMAX
#include <windows.h>
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Initializing a static std::map in C++
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edited Jul 4 '13 at 13:08
answered Sep 26 '08 at 10:17
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Unable to locate tools.jar
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duffymoduffymo
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How to get current time and date in C++?
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24 Answers
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