suzp1984’s gists

suzp1984 / srs_protocol_rtmp_stack.cpp

Created March 14, 2024 01:32

SRS: recv RTMP message

	/**
	* https://rtmp.veriskope.com/docs/spec/#531chunk-format
	*/
	srs_error_t SrsProtocol::recv_interlaced_message(SrsCommonMessage** pmsg)
	{
	srs_error_t err = srs_success;

	// chunk stream basic header.
	char fmt = 0;
	int cid = 0;

suzp1984 / srs_protocol_rtmp_handshake.hpp

Last active March 13, 2024 11:02

SRS: RTMP handshake

	/**
	* https://github.com/ossrs/srs/blob/fa8096ad0117a085515729e12a3758ca26036552/trunk/src/protocol/srs_protocol_rtmp_handshake.hpp#L401-L431
	*/
	// Simple handshake.
	// user can try complex handshake first,
	// rollback to simple handshake if error ERROR_RTMP_TRY_SIMPLE_HS
	class SrsSimpleHandshake
	{
	public:
	SrsSimpleHandshake();

suzp1984 / srs_protocol_rtmp_stack.cpp

Created March 13, 2024 07:04

SRS: how to read RTMP basic header?

	/*
	* https://github.com/ossrs/srs/blob/fa8096ad0117a085515729e12a3758ca26036552/trunk/src/protocol/srs_protocol_rtmp_stack.cpp#L843-L924
	*/
	/**
	* 6.1.1. Chunk Basic Header
	* The Chunk Basic Header encodes the chunk stream ID and the chunk
	* type(represented by fmt field in the figure below). Chunk type
	* determines the format of the encoded message header. Chunk Basic
	* Header field may be 1, 2, or 3 bytes, depending on the chunk stream
	* ID.

suzp1984 / CMakeLists.txt

Created May 30, 2020 09:48

CMakeLists.txt that used to find GLib-2.0 library

	cmake_minimum_required (VERSION 2.8)
	cmake_policy(VERSION 2.8)

	project (GStreamerTest)

	set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/)

	find_package(GLib)
	if (GLib_FOUND)
	message(STATUS "GLIB 2.0 FOUND!!")

suzp1984 / FindGLib.cmake

Created May 30, 2020 09:44

cmake find package module

	# use pkg-config system
	find_package(PkgConfig QUIET)

	# FIND_GLIB_COMPONENT macro
	macro(FIND_GLIB_COMPONENT _component_prefix _pkgconfig_name _library)

	pkg_check_modules(PC_${_component_prefix} ${_pkgconfig_name})

	set(${_component_prefix}_INCLUDE_DIRS ${PC_${_component_prefix}_INCLUDE_DIRS})

suzp1984 / InputConnectionSetup.kt

Last active December 14, 2019 00:49

wire up the unfocusable EditText with CustomInputView & InputDelegateView

	// editText -> unfocusable EditText
	// customeKeyboardView -> simulated keyboard
	// inputDelegateView -> Delegate system keyboard input to EditText
	func wireUpConnections() {
	val inputConnection = editText.onCreateInputConnection(EditorInfo())
	customeKeyboardView.inputConnection = inputConnection

	val keyboardInputConnection = editText.onCreateInputConnection(EditorInfo())
	inputDelegateView.delegateConnection = keyboardInputConnection
	}

suzp1984 / CustomKeyboardView.kt

Last active December 14, 2019 00:04

custom keyboard simulator View that performs like a keyboard.

	class CustomKeyboardView @JvmOverloads constructor(context: Context,
	attrs: AttributeSet? = null,
	defStyle: Int = 0,
	defStyleRes: Int = 0) :
	ViewGroup(context, attrs, defStyle, defStyleRes) {

	var inputConnection: InputConnection? = null

	private val childViews: Array<View>

suzp1984 / InputDelegateView.kt

Created December 12, 2019 23:04

custom input delegate view

	class InputDelegateView @JvmOverloads constructor(context: Context,
	attrs: AttributeSet? = null,
	defStyle: Int = 0,
	defStyleRes: Int = 0):
	View(context, attrs, defStyle, defStyleRes) {

	var delegateConnection: InputConnection? = null

	init {
	isFocusable = true

suzp1984 / NSScreen+DeviceName.swift

Last active July 16, 2024 03:06

get display name from NSScreen

	extension CGDirectDisplayID {
	func getIOService() -> io_service_t {
	var serialPortIterator = io_iterator_t()
	var ioServ: io_service_t = 0

	let matching = IOServiceMatching("IODisplayConnect")

	let kernResult = IOServiceGetMatchingServices(kIOMasterPortDefault, matching, &serialPortIterator)
	if KERN_SUCCESS == kernResult && serialPortIterator != 0 {
	ioServ = IOIteratorNext(serialPortIterator)

suzp1984 / listenAudioInputVolume.swift

Created November 24, 2019 23:38

os x: How to listen default audio input device volume.

	private lazy var audioInputVolumeListener: AudioObjectPropertyListenerBlock = {
	return { _, _ in
	// report self.getDefaultAudioInputVolume()
	}
	}()

	private func listenDefaultAudioInputVolume() {
	var audioVolumeAddr = AudioObjectPropertyAddress(
	mSelector: kAudioHardwareServiceDeviceProperty_VirtualMasterVolume,
	mScope: kAudioObjectPropertyScopeInput,

Jacob Su suzp1984