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PODownloading 3gp Video from Youtube Rtsp URL on Android
 

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  1. PODownloading 3gp Video from Youtube Rtsp URL on Android
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    <p>I'm trying to download the 3gp video file from Youtube's rtsp URL and save it to my external storage, but it appears that the method I have only works with HTTP URL.</p> <p>I received this warning:</p> <pre><code>09-02 10:32:40.877: WARN/System.err(7988): java.net.MalformedURLException: Unknown protocol: rtsp </code></pre> <p>My download method is the following:</p> <pre><code>public static void downloadFromURL(String url, File cacheDir, String fileName) throws IOException { long startTime = System.currentTimeMillis(); String TAG = "DL"; if (url != null) { if (fileName.contains("/")) fileName = fileName.replace("/", "-"); url = url.replace(" ", "%20"); URL mUrl = new URL(url); URLConnection ucon = mUrl.openConnection(); ucon.setReadTimeout(TIMEOUT_CONNECTION); ucon.setConnectTimeout(TIMEOUT_SOCKET); File f = new File(cacheDir, fileName); InputStream is = ucon.getInputStream(); BufferedInputStream inStream = new BufferedInputStream(is, BUFFER_SIZE); FileOutputStream outStream = new FileOutputStream(f); byte[] buff = new byte[BUFFER_SIZE]; int len; while ((len = inStream.read(buff)) != -1) { outStream.write(buff, 0, len); } // clean up outStream.flush(); outStream.close(); inStream.close(); android.util.Log.d(TAG, "Download completed in " + ((System.currentTimeMillis() - startTime) / 1000) + " sec"); } } </code></pre> <p>FYI I test it on my Nexus 7 with Wi-Fi connection. Let me know if anybody has the solution to the problem I'm having.</p> <p><strong>UPDATE</strong></p> <p>Anyway, I found these Objective-C snippets which do the request I need, but I'm clueless to turn it into Java codes:</p> <pre><code>NSString *urlString = @"http://www.youtube.com/get_video_info?&amp;video_id=7ubt8AWa7SU"; //7ubt8AWa7SU gylfmQgtMJc NSURL *infoUrl = [NSURL URLWithString:urlString]; NSError *error = NULL; NSString *info = [NSString stringWithContentsOfURL:infoUrl encoding:NSUTF8StringEncoding error:&amp;error]; if (info == nil) { NSLog(@"Error: %@", [error description]); return; } NSArray *urlComponents = [info componentsSeparatedByString:@"&amp;"]; NSArray *itemComponents; NSString *urlEncodedFmtStreamMap = NULL; for (NSString *item in urlComponents) { itemComponents = [item componentsSeparatedByString:@"="]; if (itemComponents) { NSString *first = [itemComponents objectAtIndex:0]; if ([first isEqualToString: @"url_encoded_fmt_stream_map"]) { urlEncodedFmtStreamMap = [itemComponents objectAtIndex:1]; break; } } } NSString *type = NULL; NSString *urlSeg1 = NULL; NSString *sig = NULL; if (urlEncodedFmtStreamMap) { NSArray *formats = [[urlEncodedFmtStreamMap stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding] componentsSeparatedByString:@","]; for (NSString *item in formats) { type = NULL; urlSeg1 = NULL; sig = NULL; NSArray *pairs = [item componentsSeparatedByString:@"&amp;"]; for (NSString *pair in pairs) { NSArray *varComps = [pair componentsSeparatedByString:@"="]; NSString *varName = [varComps objectAtIndex: 0]; NSString *varValue = [[varComps objectAtIndex: 1] stringByReplacingPercentEscapesUsingEncoding: NSUTF8StringEncoding]; if ([varName isEqualToString: @"type"]) { NSArray *typeSegments = [varValue componentsSeparatedByString: @";"]; type = [typeSegments objectAtIndex:0]; } else if ([varName isEqualToString: @"url"]) { urlSeg1 = [varValue stringByReplacingPercentEscapesUsingEncoding: NSUTF8StringEncoding]; } else if ([varName isEqualToString: @"sig"]) { sig = varValue; } } if ([type isEqualToString:@"video/mp4"] &amp;&amp; urlSeg1 &amp;&amp; sig) { self.videoUrl = [[urlSeg1 stringByAppendingString: @"&amp;signature="] stringByAppendingString: sig]; break; } } } </code></pre>
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    1. COFYI, I know this is off topic in terms of programming but check 5B of http://www.youtube.com/static?gl=US&template=terms
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    2. COAre you working on emulator ?
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    3. CO@66CLSjY well, according to wikipedia 'to download means to receive data to a local system from a remote system'. Just 'Watching' a youtube video would be considered a download too. Is it only a download when you open your web browser and click on text that says 'download'?
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