Animate console graphics without Curses
I have been using the SoX play command line tool to playback audio files from the console, and have noticed that there is a nice little display of the time info and left/right levels that update in real time with the audio source . . .
However, after cloning the source, I could not find any mention of Ncurses. Does anyone know how SoX achieves this neat little console trick? I just don't know what to look for, or which file to look in to see how this is implemented.
I doubt it's merely using the \b character. My guess would be that it's using the terminal cursor movement commands, which are a set of escape sequences supported by many (but not all) Linux terminals.
You can even use these straight from the command line using echo. For instance:
$ s=($(stty size)); echo -en "\e[2J\e[$((s[0]/2));$((s[1]/2-6))HHello world.\e[${s[0]};0H"
This should give you a blank screen, except for the the message "Hello world." printed right in the middle of the screen, and a prompt at the very bottom.
- pthread nice value setting for default scheduler in C
- why is casting from an unsigned int to a struct that consists of bitfields making up an unsigned int not allowed?
- How to memset a structure in C
- initialize struct to zero except one field
- Can we invoke functions of a DLL compiled for 64 bit using an application compiled for 32 bit?
- How to reassign void pointer pointing to a string to a new string in C
- Why does my getop function in C return '+' correctly but not '=' when there are leading spaces?
- Difference between curl/curl.h, libcurl, libcurl4-openssl-dev, libcurl4-nss-dev libraries?
- Can I bind ip and port to receive mulitcast traffic from a specific network interface
- how to use #ifdef with an OR condition?
- Raw Socket Buffer
- How does this bitwise operation check for a power of 2?
- Evaluation of defined(x) in a `#pragma message` output string
- C - function inside struct
- Is it possible to specify mutliple threads with OpenMP's `masked filter(1)`?
- CPU dependent code: how to avoid function pointers?
- arm 32bit instruction "swi" on 64bit cpu
- How do I set the mouse cursor to cross hair over a GtkDrawingArea?
- What's the algorithm behind sleep()?
- Why does glibc.so have Weak symbols if they relate only to static linking
- Which linux system call is used by ls command in linux to display the folder/file name?
- Details on the Microsoft multi-string format
- Unnamed struct ABI (C library, C users)
- Does inline create a COPY of the parameters as variables or will it reuse the same from the input?
- Prevent background task from being killed
- get physical block size of a device
- How is a heap overflow attack implemented?
- How to get the date and time values in a C program?
- Understanding INADDR_ANY for socket programming
- Proper way to obtain dynamic source port for raw socket (IP_HDRINCL) on macOS for custom TCP implementation