tetsu-koba

v4l2 capture sample

Build
$ zig version
0.11.0-dev.1594+a5d25fabd
$ zig build-exe -lc v4l2sample.zig

Run
$ ./v4l2sample /dev/video2 640 360 out.jpg

tetsu-koba

const std = @import("std");
const expect = std.testing.expect;
const io = std.io;

fn copy(dst: *io.StreamSource, src: *io.StreamSource) !usize {
    const r = src.reader();
    const w = dst.writer();
    const BUFSIZE = 512;
    var buf: [BUFSIZE]u8 = undefined;
    var len: usize = BUFSIZE;

tetsu-koba

#!/bin/bash -eu
if [ $# -ne 1 ]; then
    echo "Usage: $0 <cfilename> ending '.c' or '.h'"
    exit 1
fi
if [[ $1 == *.c ]]; then
    OUTPUT=$(basename $1 .c)_translated.zig
elif [[ $1 == *.h ]]; then
    OUTPUT=$(basename $1 .h)_h_translated.zig
else

tetsu-koba

Zig library example

tetsu-koba

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tetsu-koba

UDP connection example for Zig language

tetsu-koba

TCP connection examples in Zig language

tetsu-koba

const std = @import("std");
const os = std.os;
const log = std.log;
const time = std.time;

const MAX_EVENT = 5;
const READ_BUFSIZE = 64 * 1024;
const WRITE_BUFSIZE = 64 * 1024;

fn createSignalfd() !os.fd_t {

tetsu-koba

#include <stdio.h>
#include <unistd.h>
#include <sys/epoll.h>
#include <string.h>
#include <errno.h>
#include <signal.h>
#include <sys/signalfd.h>

#define MAX_EVENTS 5
#define READ_BUFSIZE (64*1024)

tetsu-koba

Rec and send SRT with retry