Noilednad

Noilednad / NOTES.txt

Created April 15, 2017 11:24 — forked from zimbatm/NOTES.txt

MP4 moov header debug

	Debug notes:

	# On HEAD ( f821f98126595002c8cb7a5f17521908d746dc8a )

	wget http://ffmpeg-debug.s3.amazonaws.com/1050-moov-header-size/moov-header-sample.mp4
	ffmpeg -i moov-header-sample.mp4 -acodec copy -vcodec copy -y ffmpeg.mp4
	MP4Box -inter 500 -out mp4box.mp4 ffmpeg.mp4

	qt-faststart ffmpeg.mp4 /dev/null \| grep 'moov '
	# moov 1712220 7809

Noilednad / atomic.c

Created March 15, 2017 12:26 — forked from nazgob/atomic.c

atomic variables on gcc / linux

	// http://www.alexonlinux.com/multithreaded-simple-data-type-access-and-atomic-variables
	// gcc -lpthread -D_GNU_SOURCE -o atomic atomic.c

	#include <stdio.h>
	#include <pthread.h>
	#include <unistd.h>
	#include <stdlib.h>
	#include <sched.h>
	#include <linux/unistd.h>
	#include <sys/syscall.h>