Imanol-Mikel Barba Sabariego / upcnews · Files

package com.upc.pbe.upcnews;

import java.io.File;
import java.util.ArrayList;

import android.util.Log;

//Gestor del protocol HTTP Live Streaming

public class HLS

{

	private static final String TAG = "HLS";
	private ArrayList<ParentList> videos;

	private ArrayList<Segment> segments;
	private ArrayList<Video> qualities;

	private int currentVideo;
	private int currentQuality; // 0 es la mas alta

	private int currentSegment;
	private boolean endReached;

	public HLS(ArrayList<ParentList> parsed, String localFolder)

	{
		// Neteja el directori i inicialitza les variables

		File dir = new File(localFolder);
		String[] files = dir.list();

		for (int i = 0; i < files.length; i++)
		{

			File deleteme = new File(dir, files[i]);

			Log.d(TAG, "Esborrat " + files[i].toString());

			deleteme.delete();
		}

		currentQuality = 0;

		currentVideo = currentQuality = currentSegment = 0;

		this.videos = parsed;

		endReached = false;

	}

	public void loadVideo()
	{
		// Carrega la qualitat i, a partir d'aixo, el seguent segment

		qualities = videos.get(currentVideo++).getLists();
		segments = qualities.get(currentQuality).getSegments();

		if (currentVideo == videos.size())
		{

			endReached = true;

		}
	}

	public String next()

	{
		// Determina la seguent qualitat a partir de la velocitat
		if (currentSegment == segments.size())
		{
			if (endReached)
			{

				return null;
			}

			currentQuality = 0;
			currentSegment = 0;

			loadVideo();
		}

		Segment seg = segments.get(currentSegment++);

		Log.d(TAG, seg.getName() + " " + seg.getURL());

		return seg.getURL();
	}

	public long getCurrentSegmentDuration()
	{
		return (long) segments.get(currentSegment).getDuration();

	}

	public void updateQuality(long bps)
	{
		if ((bps <= qualities.get(currentQuality).getQuality()) && (bps != -1))

		{

			int newQuality;
			for(newQuality = 0; newQuality < qualities.size(); newQuality++)

			{

				if(bps >= qualities.get(newQuality).getQuality())

				{

					break;

				}
			}

			if(currentQuality != newQuality)

			{

				currentQuality = newQuality;
				currentVideo--; //Corregimos el del loadVideo()
				loadVideo(); //Cargamos la nueva calidad
			}
		}
		else if((bps > qualities.get(currentQuality).getQuality()) && (bps != -1))
		{
			int newQuality;
			for(newQuality = qualities.size()-1; newQuality > 0; newQuality--)
			{
				if(bps <= qualities.get(newQuality).getQuality())

				{

					newQuality--;
					break;

				}
			}

			if(currentQuality != newQuality)
			{
				currentQuality = newQuality;
				currentVideo--; //Corregimos el del loadVideo()
				loadVideo(); //Cargamos la nueva calidad
			}

		}

	}

}