What encoding settings are you using? What are you encoding with? Are you configuring for progressive streaming? Do you know the files that you've tried are progressively streamable? Can you provide some example URLs?
Cheers, Justin Android Team @ GOogle On Aug 21, 10:48 am, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: > I spent most of a day using the emulator in 0.9 surfing to sample > video files on video contest provider sites, I must have tried playing > 100's of files. > > Not one played. > > I have been able to encode a mp4 (mp4v/mp4a codecs) video file and > load it from the browser (enter url in browser, probably due to mime > type returned from server, it gets passed to the media player which > then does its own http get request (which in it self it bugged, > reported)). > > Problem is the audio is distorted, like playing a 45 record at 33 is > best description. > > I have tried numerous audio bit rates and sample rates, to no avail, > it is either distorted or it crashes media player. > > Where if anywhere are serious and complete specs on supported media > player transports, encapsulation formats and supported codes and > subspecs like sample, stream and frame rates supported? > > Can whoever wrote the media player provide any test video files that > actually work? > > Oh and by the way, I'm sure that writing tons of different media > player applications is interesting and all, but i'm pretty sure users > in the end will want to click on links in the broswer and have video > and audio play, not type or copy/paste them into standalone players. > > This is a place where android can be a iPhone killer, because ATT and > Apple are trying so hard to control content delivery so they can wring > more money out of the users pockets. At the moment Android is failing > here. > > On Aug 20, 3:19 pm, Maklouf <[EMAIL PROTECTED]> wrote: > > > Hi there, > > Is rtsp or any other formats going to be supported in the final > > release? > > where can we find the complete specs of the media capabilities? > > We want to build an application to stream Live content to an android > > device (eg Live content from a web cam), is this possible with the > > current SDK? > > From what I have read in this forum you can only stream already > > complete encorded files. > > Regards. > > Maklouf > > > On Aug 19, 2:35 pm, "Justin (Google Employee)" <[EMAIL PROTECTED]> > > wrote: > > > > Snowcrash, thanks for pointing this out! > > > > To elaborate on "reasonably" interleaved... What determines > > > "reasonably" is dependent on many factors like network bandwidth, > > > network latency, and buffer size. In general you want to have a chunk > > > of audio for a certain unit of time followed by a corresponding chunk > > > of video for the same amount of time, your video creation software > > > should be formatting the stream that for you anyway. > > > > The next question is how large a unit of playback time this should be. > > > To repeat, the best answer to this question is dependent on network > > > conditions, buffer size, and bitrate, factors which may change over > > > time and be different from Android device to Android device. Having > > > said all that, a good guideline is to packetize your stream into 0.5 > > > second parts. Your results may vary and I encourage you to test for > > > your actual applications, but this is a reasonable place to start > > > experimenting. > > > > Regards, > > > Justin > > > Android Team @ Google > > > > On Aug 19, 1:03 pm, "Megha Joshi" <[EMAIL PROTECTED]> wrote: > > > > > Yes, you can use QuickTime Pro to create progressive streamable format: > > > > Steps below: > > > > > 1. Open the video file in Quick Time Pro. > > > > > 2. Goto File > Export > > > > > 3. Select type as 'Movie to 3G' > > > > > 4. Click Options > > > > > 5. Select file format as 3gpp > > > > > 6. In the drop down menu below the file format, select 'Streaming' from > > > > the > > > > list of available options (Audio, Video, Text, Streaming, Advanced) > > > > > 7. Select the required maximum packet size and maximum packet duration > > > > > 8. Click Save > > > > > On Tue, Aug 19, 2008 at 6:44 AM, snowcrash <[EMAIL PROTECTED]> wrote: > > > > > > Hi there, > > > > > > your video filehttp://www.jsharkey.org/downloads/dailytest.3gp > > > > > doesn't conform to the specifications stated in the source code: > > > > > > "Mediaplayercan only play "progressive streamable contents" which > > > > > basically means: > > > > > 1. the movie atom has to precede all the media data atoms. > > > > > 2. The clip has to be reasonably interleaved." > > > > > > For your file, ' strings dailytest.3gp | grep -n "mdat\|moov" ' > > > > > returns: > > > > > > 4:k:mdat > > > > > 2773:moov > > > > > > which is a violation of (1.) where 'moov' has to precede any 'mdat'. > > > > > But what 'reasonably interleaved' means is still mysterious. > > > > > > Perhaps someone from Google reading here can shed some light on this. > > > > > > Regards, > > > > > 131071 > > > > > > On 19 Aug., 07:07, Jeffrey Sharkey <[EMAIL PROTECTED]> wrote: > > > > > > Also, just to follow-up on this more, I installed lighttpd locally > > > > > > on > > > > > > the same computer as the emulator. I also made sure to add the 3GP > > > > > > video mime-type. > > > > > > > This way, I could try using "http://10.0.2.2/dailytest.3gp"; as my > > > > > > test > > > > > > URL from the emulator, which should bypass even the emulator's > > > > > > bridge > > > > > > NAT. > > > > > > > Still came back with the same errors. :( > > > > > > > Interestingly, the player only made a HEAD request this time, and > > > > > > didn't begin streaming the data with a GET request. Here is the > > > > > > HEAD > > > > > > details from the lighttpd server, showing the correct mimetype: > > > > > > > HTTP/1.1 200 OK > > > > > > Content-Type: video/3gpp > > > > > > Accept-Ranges: bytes > > > > > > ETag: "60758872" > > > > > > Last-Modified: Tue, 19 Aug 2008 04:55:39 GMT > > > > > > Content-Length: 229635 > > > > > > Date: Tue, 19 Aug 2008 05:06:40 GMT > > > > > > Server: lighttpd/1.4.19 > > > > > > > j > > > > > > > On Aug 18, 10:51 pm, Jeffrey Sharkey <[EMAIL PROTECTED]> > > > > > > wrote: > > > > > > > > I'm using code almost verbatim out of the VideoViewDemo example. > > > > > > > Below is the exact code to be sure, and I've tried with both > > > > > > > setVideoPath() and setVideoURI(). > > > > > > > > Looking at wireshark during this process, it seems that the both > > > > > > > YouTube and my server are spewing back plenty of video data, but > > > > > > > the > > > > > > > VideoView somehow never gets it, or doesn't know what to do with > > > > > > > it. > > > > > > > WithRTSP, it takes about 5-10 seconds before a "Cannot play video: > > > > > > > Sorry, this video cannot be played." error message appears, but > > > > > > > with > > > > > > > the HTTP link it appears almost instantly. > > > > > > > > For Internet traffic, I'm behind a NAT. However, for the HTTP > > > > > > > example, I've also tried a local Apache server that doesn't go > > > > > > > through > > > > > > > a NAT. (Unless the emulator itself counts as another NAT.) > > > > > > > > === VideoViewDemo.java === > > > > > > > > import android.app.Activity; > > > > > > > import android.graphics.PixelFormat; > > > > > > > import android.net.Uri; > > > > > > > import android.os.Bundle; > > > > > > > import android.util.Log; > > > > > > > import android.widget.MediaController; > > > > > > > import android.widget.Toast; > > > > > > > import android.widget.VideoView; > > > > > > > > public class VideoViewDemo extends Activity { > > > > > > > > private VideoView mVideoView; > > > > > > > > private String path = > > > > > > > "http://www.jsharkey.org/downloads/dailytest > > > > > . > > > > > > > 3gp"; > > > > > > > //private String path = > > > > > > > "rtsp://ehug.rtsp-youtube.l.google.com/ > > > > > > > CkELENy73wIaOAnUq- > > > > > > btqFy58BMYDSANFEIJbXYtZ29vZ2xlSARSB2RldGFpbHNaB2RldGFpbHNgz9u3rfm40Np6DA==/ > > > > > > > 0/0/0/video.3gp"; > > > > > > > > @Override > > > > > > > public void onCreate(Bundle icicle) { > > > > > > > super.onCreate(icicle); > > > > > > > setContentView(R.layout.videoview); > > > > > > > mVideoView = (VideoView) findViewById(R.id.surface_view); > > > > > > > > //mVideoView.setVideoPath(path); > > > > > > > mVideoView.setVideoURI(Uri.parse(path)); > > > > > > > mVideoView.setMediaController(new MediaController(this)); > > > > > > > mVideoView.requestFocus(); > > > > > > > > } > > > > > > > > } > > > > > > > > === videoview.xml === > > > > > > > > <?xml version="1.0" encoding="utf-8"?> > > > > > > > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/ > > > > > > > android" > > > > > > > android:orientation="vertical" > > > > > > > android:layout_width="fill_parent" > > > > > > > android:layout_height="fill_parent" > > > > > > > > <VideoView > > > > > > > android:id="@+id/surface_view" > > > > > > > android:layout_width="320px" > > > > > > > android:layout_height="240px" > > > > > > > /> > > > > > > > > </LinearLayout> > > > > > > > > === AndroidManifest.xml === > > > > > > > > <?xml version="1.0" encoding="utf-8"?> > > > > > > > <manifest > > > > > > > xmlns:android="http://schemas.android.com/apk/res/android"; > > > > > > > package="org.jsharkey.videotest"> > > > > > > > <application android:icon="@drawable/icon"> > > > > > > > <activity android:name=".VideoViewDemo" > > > > > > > android:label="@string/ > > > > > > > app_name"> > > > > > > > <intent-filter> > > > > > > > <action android:name="android.intent.action.MAIN" > > > > > > > /> > > > > > > > <category > > > > > > > android:name="android.intent.category.LAUNCHER" /> > > > > > > > </intent-filter> > > > > > > > </activity> > > > > > > > </application> > > > > > > > > <uses-permission android:name="android.permission.INTERNET" /> > > > > > > > <uses-permission android:name="android.permission.WAKE_LOCK" > > > > > > > /> > > > > > > > </manifest> > > > > > > > > On Aug 18, 10:31 pm, "Justin (Google Employee)" <[EMAIL > > > > > > > PROTECTED]> > > > > > > > wrote: > > > > > > > > > Code for this would be helpful. Can you provide yours for > > > > > > > > setting up > > > > > > > > the VideoView, loading, and playing the file? > > > > > > > > > Cheers, > > > > > > > > Justin > > ... > > read more ยป --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] Announcing the new Android 0.9 SDK beta! http://android-developers.blogspot.com/2008/08/announcing-beta-release-of-android-sdk.html For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
