tetkuz

find | grep package.json | xargs -I{} sh -c 'jq -r ".dependencies | to_entries | map(\"\(.key),\(.value)\") | .[]" {} > ~/$(dirname {} | xargs basename)-package.csv'

tetkuz

FROM ubuntu:bionic

ENV REPO_CMD_DIR "/usr/local/bin"
ENV GIT_USER_NAME "Your Name"
ENV GIT_USER_EMAIL "[email protected]"

# Install packages for build Parrot SDKs
RUN apt-get update -y && apt-get upgrade -y
RUN apt-get install -y \
	    locales \

tetkuz

Display Parrot MAMBO FPV

GStremaer を使って MAMBO の rtsp ストリーミングを見る2つの方法を紹介します。

• コマンドラインでパイプラインを作って、見る
• アプリをビルドして、見る

どちらも GStreamer のインストールが必要です。コマンドラインを使った方法の方が簡単です。

GStreamer のインストール

tetkuz

# ProjectRoot/app/.gitignoe
/build
/assets/
/.externalNativeBuild
/gst-build-*/
/src/main/java/org/freedesktop/gstreamer

tetkuz

func dumpH264(_ path:URL) -> Void {
    let asset:AVURLAsset = AVURLAsset(url:path, options:nil)
    let video_tracks:Array = asset.tracks(withMediaType: AVMediaTypeVideo)
    var output:AVAssetReaderOutput? = nil
    
    do {
        try self.asset_reader = AVAssetReader.init(asset: asset)
    } catch {
        fatalError("Unable to read Asset: \(error)")
    }

tetkuz

#include <gst/gst.h>
#include <glib.h>

int main(int argc, char *argv[])
{
  GstElement *pipeline;
  GstElement *src;
  GstElement *sink;
  GstBus *bus;
  GstMessage *msg;

tetkuz

set SRCDIR=%1

set DESTDIR=%2

for /f "usebackq" %%i in ( `dir /B /S %SRCDIR%` ) do (
	fsutil hardlink create %DESTDIR%%%~nxi %%i
)

tetkuz

/*
 * Kiroru-cast is derived work from gst-rtsp-server examples[1]. 
 * Because of this nature, Kiroru-cast is licensed under LGPL v2
 *
 * [1]: https://cgit.freedesktop.org/gstreamer/gst-rtsp-server/tree/examples
 */

/*
 * Original license 
 *

tetkuz

GST_DEBUG=fpsdisplaysink:6 gst-launch-1.0 videotestsrc ! fpsdisplaysink video-sink=fakesink text-overlay=false signal-fps-measurements=true

tetkuz

#import <Foundation/Foundation.h>

@interface AtomicQueue : NSObject
- (id)init;
- (id)dequeue;
- (void)enqueue:(id)data;
@end

@implementation AtomicQueue {
    NSMutableArray *queue;