PicassoVideoFrameRequestHandler.java

import android.graphics.Bitmap;
import android.media.MediaMetadataRetriever;

import com.squareup.picasso.Picasso;
import com.squareup.picasso.Request;
import com.squareup.picasso.RequestHandler;

import java.io.IOException;


/**
 * Loads frames from a video at the specified microsecond.  Usage:
 * Picasso picasso = new Picasso.Builder(this).addRequestHandler(new VideoFrameRequestHandler()).build();
 * picasso.load("videoframe://path/to/video#microseconds
 * The offset is in microseconds, so #1000000 = 1 second in.
 */
public class PicassoVideoFrameRequestHandler extends RequestHandler {
    public static final String SCHEME = "videoframe";

    @Override public boolean canHandleRequest(Request data) {
        return SCHEME.equals(data.uri.getScheme());
    }

    @Override public Result load(Request data) throws IOException {
        MediaMetadataRetriever mediaMetadataRetriever = new MediaMetadataRetriever();
        mediaMetadataRetriever.setDataSource(data.uri.getPath());
        String offsetString = data.uri.getFragment();
        long offset = Long.parseLong(offsetString);
        Bitmap bitmap = mediaMetadataRetriever.getFrameAtTime(offset);
        return new Result(bitmap, Picasso.LoadedFrom.DISK);
    }
}