sailfish009’s gists

sailfish009 / capture_raw_frames.c

Created August 11, 2017 06:07 — forked from maxlapshin/capture_raw_frames.c

v4l2 capture example

	/*
	* V4L2 video capture example
	*
	* This program can be used and distributed without restrictions.
	*
	* This program is provided with the V4L2 API
	* see http://linuxtv.org/docs.php for more information
	*/

	#include <stdio.h>

sailfish009 / hint.txt

Last active August 30, 2017 01:44

directshow application link error

add:LIBCMTD.lib under the setting->linker->input->Ignore specific library->LIBCMTD.lib

sailfish009 / MainDlg.h

Created August 30, 2017 02:40

WTL head include to make MainDlg.cpp

sailfish009 / popcnt.c

Created September 15, 2017 01:32

popcnt for old cpu

	int popcnt(unsigned int v)
	{
	v = v - ((v >> 1) & 0x55555555); // reuse input as temporary
	v = (v & 0x33333333) + ((v >> 2) & 0x33333333); // temp
	return (((v + (v >> 4) & 0xF0F0F0F) * 0x1010101) >> 24); // count
	}

sailfish009 / rpath

Created September 18, 2017 09:54

rpath usage

g++ -L/my/dir/path/ -Wl,-rpath=/my/dir/path/ -l:foo.so -l:bar.so

sailfish009 / Makefile.APP

Created September 19, 2017 11:08

Simple Makefile for Application

	TARGET ?= a.out
	SRC_DIRS ?= ./src
	INC_DIRS ?= ./include

	SRCS := $(shell find $(SRC_DIRS) -name .cpp -or -name .c -or -name *.s)
	OBJS := $(addsuffix .o,$(basename $(SRCS)))
	DEPS := $(OBJS:.o=.d)

	LDLIBS := -Wl,-rpath=/foo/lib/ -l:libbar.so -L/usr/lib -lstdc++ -L./lib -lbar

sailfish009 / Makefile.LIB

Created September 19, 2017 11:10

Simple Makefile for Library

	TARGET ?= libbar.so
	SRC_DIRS ?= ./src
	INC_DIRS ?= ./include

	SRCS := $(shell find $(SRC_DIRS) -name .cpp -or -name .c -or -name *.s)
	OBJS := $(addsuffix .o,$(basename $(SRCS)))
	DEPS := $(OBJS:.o=.d)

	LDLIBS := -L/usr/lib -lstdc++ -lm -shared -Wl,-soname,$(TARGET)

sailfish009 / nds32_printf

Created September 22, 2017 02:57

NDS32 printf assembly

sailfish009 / Install protobuf 3 on Ubuntu

Last active January 20, 2018 02:49 — forked from sofyan-ahmad/Install protobuf 3 on Ubuntu

	# Make sure you grab the latest version
	curl -OL https://github.com/google/protobuf/releases/download/v3.2.0/protoc-3.2.0-linux-x86_64.zip

	# Unzip
	unzip protoc-3.2.0-linux-x86_64.zip -d protoc3

	# Move protoc to /usr/local/bin/
	sudo mv protoc3/bin/* /usr/local/bin/

	# Move protoc3/include to /usr/local/include/

sailfish009 / libvlc_build

Last active January 22, 2018 06:47

	https://wiki.videolan.org/Win32Compile/

	## some hints:

	git clone https://git.code.sf.net/p/mingw-w64/mingw-w64

	sudo cp -a ./mingw-w64/mingw-w64-headers/include/* /usr/i686-w64-mingw32/include/

	../configure --host=i686-w64-mingw32 --build=x86_64-linux-gnu --disable-chromecast # protoc compiler version error