Question

我正在尝试使用媒体播放器播放视频，同时在SD卡上下载。我从SD卡给出了setdatasource ..媒体播放器播放视频，但几秒后停止视频，但媒体播放器仍在播放，但内容正在休息。如何在停止播放的地方再次播放视频？

    private void downloadVideo(String url) {
    try {
        URL url1 = new URL(url);
        long startTime = System.currentTimeMillis();
        Log.i("TAG", "image download beginning: " + url);

        URLConnection conn = url1.openConnection();

        conn.setReadTimeout(5000);
        conn.setConnectTimeout(30000);

        File path = android.os.Environment.getExternalStorageDirectory();
        InputStream is = conn.getInputStream();
        BufferedInputStream inStream = new BufferedInputStream(is, 1024 * 5);
        File directories = new File(path + "/sequence/");
        if (!directories.exists()) {
            directories.mkdirs();
        }
        FileOutputStream outStream = new FileOutputStream(new File(
                directories, "test2.mp4"));

        byte[] buff = new byte[5 * 1024];
        // byte[] buff = new byte[1024 * 24];

        int len;
        while ((len = inStream.read(buff)) != -1) {
            outStream.write(buff, 0, len);

        }

        outStream.flush();
        outStream.close();
        inStream.close();

        Log.i("TAG",
                "download completed in "
                        + ((System.currentTimeMillis() - startTime) / 1000)
                        + " sec");

    } catch (MalformedURLException e) {
        Log.d("Malformed", e.toString());
    } catch (IOException e) {
        Log.d("IOException", e.toString());
    }
}

播放视频的代码

        Runnable task = new Runnable() {
        public void run() {
            try {
                File path = android.os.Environment
                        .getExternalStorageDirectory();
                // http://www.pocketjourney.com/downloads/pj/video/famous.3gp
                // http://www.youtube.com/watch?v=Fvh38W4yKvc
                // http://mconnect123456.s3.amazonaws.com/4532happyfit2.mp4
                mp.reset();
                mp.setDataSource(path + "/sequence/test2.mp4");
                // mp.setDataSource("http://mconnect123456.s3.amazonaws.com/4532happyfit2.mp4");
                mp.prepare();

            } catch (IllegalArgumentException e) {
                e.printStackTrace();
            } catch (IllegalStateException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
            mp.start();

            while (!mp.isPlaying()) {
                Log.d("Playing", "playing");

            }

        }
    };
    worker.schedule(task, 5, TimeUnit.SECONDS);

Answer 1

我不相信这是完成你想要做的事情的最好方法。 MediaPlayer认为它正在播放本地文件，并且不会像网络播放一样正确地缓冲数据。

我建议在设备上创建本地代理服务器。然后，您可以将MediaPlayer中的setDataSource本地主机URI传递给您的代理，并在流式传输时缓存数据。请参阅我的回答here以获取更多信息，如果您在实施时遇到问题，请随时提出问题。

Android媒体播放器“停止播放”

1 个答案: