Android :: Blank Video Being Recorded
Aug 19, 2009
I am trying to develeop a video capture application on the HTC Ion device using the MediaRecorder class. The application seems to run and record MP4 output file, but it is blank when I view it with QuickTime! I am wondering if I am setting up the MediaRecorder correctly. Also, expected to see a live preview because a Surface to display the preview was set . But nothing shows up. Any one have suggestions as to what could be doing wrong?
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Nov 27, 2010
I have an HTC Evo 4G How do you send a recorded video in mms/text? I tried several times, but only when i record for 5 seconds(stupid) can a video be sent. Anything larger I keep getting file limit size is reached. Im sure that there is way for this to be done.
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Jun 5, 2010
Where are the video file that you take when you record a video? I have searched high and low with Astro on the phone and the SD card. I want to pull a raw one off and get a MediaInfo log.
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Aug 5, 2010
A few nights ago I brought up the camcorder to record some video, everything recorded very smoothly after it was done I went to the gallery to check out my video but upon play back the video was very hic uppy. And maybe I thought it was just that portion but it wasnt the whole video plus all my videos play hic uppy now. Anyone else having the same problem? Is this issue happening because of the froyo update.
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Jul 2, 2010
Does anyone know of a way to share the larger vid files either in H.263 or MP4, phone to phone? OR even Phone to email. I've tried to attatch them and send them via gmail, but the recipient never gets the attatchment, not even for viewing on their PC.
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Aug 9, 2010
I'm not on the 2.2 update yet, but some videos I've recorded don't have a thumbnail in the gallery, nor do they play back. I've copied them onto my computer, they have the correct file size but I think something has been corrupted when saving the videos on the phone. Any idea if there is an app that could fix the issue?
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Jul 3, 2010
I just recorded a video and when I tried to play it back I got a, sorry cannot play video message. It's stored to the phone not the SD but that shouldn't make a difference. I've taken pictures and haven't had any problems viewing them.
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Oct 7, 2010
I have had my Evo since launch day. I have recorded some videos for fun and they play back on the phone nicely. But today, I connected the phone to my PC and wanted to play a video. I got video with no sound. I tried several I recorded some at 720fps and some at VGA. Same results. Videos I downloaded from You Tube play fine. Just the ones I recorded on my phone. I have a relatively new HP running Widows 7 and have used Quick Time and Windows Media Player. Neither would play the sound. Anyone have a problem like this?
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Aug 26, 2010
I cant play the videos i have recorded on my laptop as it doesnt recognise the 3gp format. How have you been getting around this as there are some i want to keep for memories but it is useless if i cant play them back on another device.
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Jun 24, 2010
I shot a video a few days ago on my new Evo phone. I was holding the phone vertically. It never occurred to me that I was supposed to hold it horizontally. What ended up happening is that when I put the memory card from my phone into the computer, it's showing the video sideways. I need to flip it 90 degrees before I send it out or post it anywhere. I tried to send it to Windows Movie Maker but as it's a 3gp format, it won't take it. I tried searching through my Quicktime (not Quicktime pro) and there's nothing I can find to flip it 90 degrees. After a lot of searching, I found a bunch of sites that tell me to convert the video to a format that Windows Movie Maker accepts and then flip it the 90 degrees in WMM. I'm a little over my head at this point. I don't know how to convert this file and I don't want to download programs that won't work. Anyone else have this problem and know how to fix it?
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Jun 20, 2010
Family gathering yesterday. I took a 3 minute video on the full settings and tried to upload it to YouTube from the phone and every time I try and upload it, even after reboots, I get a message popping up telling me that the file must be under 1GB. It is only 130MB.
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Jun 22, 2012
I have now TN Shooter Rom on my evo 4g and i've noticed that when i record video on portrait the video playback is stretched out, seems to be fine when i record video holding the phone in landscape.
I've also tried flashing another Rom but the same thing happens.
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May 24, 2009
As per title, recorded video sound is very bad on my Magic - the sound is very unclear, with a lot of disturbances etc is this normal or did I get a faulty phone.
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Sep 14, 2010
not sure if you have experienced the same problem. my husband has an iphone 4 and he records video of our daughter sometimes and emails them to me. I have problems watching them in the xperia x10. I can watch the videos but i can't hear the sound even when i turn up the volume.
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Oct 7, 2010
When I plays video recorded on my X10mini, about 5 second at the beginning it displays black. But I can hear the sound.
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Dec 6, 2009
I am using Videoview to playback mp4 file from local machine using android emulator. I hear the audio, but the screen is blank and no video is seen. Android SDK 2.0.1
What is missing here:
CODE:............
Main.xml
CODE:.....................
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Aug 10, 2010
A small program that I wrote cannot record the microphone. One api call, getminbuffersize keeps returning -2 which is not correct. The program works on a real android one. I use 11025Hz, 16bit pcm,mono recording.
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Sep 28, 2010
How do i get access to the audio recorded by the microphone before it is accessed by the other applications.
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May 1, 2009
I have an application that I developed using the Android 1.1 SDK that I am trying to port to Android 1.5. In my application, I record a sound through the microphone and then do various things with it, including playing it back using a MediaPlayer object. My code works fine when I use the 1.1 target, but when I use a 1.5 target I get this error when setting up the player:
Command PLAYER_SET_DATA_SOURCE completed with an error or info PVMFErrNotSupported error (1, -4) Couldn't setup MediaPlayer java.io.IOException: Prepare failed.: status=0x1 at android.media.MediaPlayer.prepare(Native Method) at org.byu.chum.AudioUtils.AudioRecording.stopRecording (AudioRecording.java:92) at org.byu.chum.SoundRecorder.Recorder$StopListener.onClick (Recorder.java:198)...
It seems like Android isn't liking the format of my media, but I don't know why, since I just recorded that very format on the Android device. Here's the code that is throwing the error:
player = new MediaPlayer();
try { player.setDataSource(recordFile.toString());
player.prepare(); } catch (IOException e) { Log.e("playRecording", "Couldn't setup MediaPlayer", e); }
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Feb 23, 2010
I've used the voice recognition feature on Android and I love it. It's one of my customers' most praised features. However, the format is somewhat restrictive. You have to call the recognizer intent, have it send the recording for transcription to google, and wait for the text back. Some of my ideas would require recording the audio within my app and then sending the clip to google for transcription. Is there any way I can send an audio clip to be processed with speech to text?
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May 13, 2009
Now when I recording a file using sound recorder. But I cannot find it in the application of Music. When I reboot, I can find it in the Music.
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Nov 18, 2010
Is it possible to play a recorded message when making a phone call. I mean to call a contact and when the call is answered to play immediately a recorded message.
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Mar 18, 2010
I have an application that records audio and i want to add an indicator which shows the volume of the recorded audio ( in real time ). Any ideas how to do is.
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Feb 27, 2010
i am working n audio recording. i can store the file using file.getAbosolutPath() mehtod. it stores the file in path: /data/data/com.example.audio_demo/files/output.amr i wann store that in SDCARD.iso and how retrive that and play.
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Aug 4, 2010
Can we able to store recorded files in hidden form apart from SDcard in android.It should be shown only to particular user and third party should not open the recorded files(ie-songs,images,messages)
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Aug 19, 2009
I have created an basic sound recorder application using MediaRecorder class. It has 3 buttons i.e.
1.Record: Start recording
2.Stop: Stop recording
3.Play: Play recorded file ( 3gp format)
I can record any number of files using this. Each files gets name as audio1,audio2 ..etc.The problem is after recording the file I can play it using play button. But if I exit my application I am not able to see that file listed in music menu in emulator. But at the same time when i browse my sdcard using eclipse I can see the recorded audio file. ( I have aleady mounted sdcard image and can see other sdcard content in emulator)Now if I close the emulator and relaunch it I can see that file in emulator music menu. Now suppose that file name is audio1.3gp. If I record a sound using my app it will record it using name audio1.3gp on same location. This time if I goto music menu I can see audio1.3gp file with latest recorded audio.
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May 26, 2010
I want to get the input/opinions of some other people on this topic. I have a couple of big events coming up that I will be recording with my (soon to have) Evo. Now I know that Qik is gonna be huge when it comes to 2 way video calls, but my question/dilemma is to either use the native Camcorder/Video Camera app and upload them to Youtube, or to use the Qik app and have it stored on the Qik site. From what I've heard and seen, when a video is recorded/streamed to Qik, the quality that results on the Qik site is NOT nearly as good as what you're actually seeing and recording on your screen (compression, whatever, bla bla bla). However, I have seen videos on Youtube from people with EVO's where the quality is a ton better and it looks really good. So, why would anyone want to use the Qik app to take video recordings, when the end result on their website is of less quality as supposed to using the Camcorder/Video Camera app and posting it to Youtube? Is the only benefit for Qik is that people can watch your video being streamed pretty much right then and there (with only a little delay)?
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May 11, 2010
I am trying to assign a pre recorded voicemail message to my incoming voicemail number on HTC Hero.
1) Can this be done
2) How?
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Jul 20, 2010
Yamb is a program I've been using to be able to change the .mov container of videos to .mp4. Basically, what I use it for is to download movie trailers off the iTunes store, and make them compatible to watch through my PS3 (or Xbox 360) on my 50" HDTV and my surround sound system. You can convert 720p or 1080p trailers to watch on your HDTV with absolutely no loss of video quality or audio quality. Not to mention the conversion process usually lasts anywhere from 5 to 10 seconds.Now, what do movie trailers have to do with my Samsung Vibrant 720p videos I recorded you may ask?Well, this same program makes your .3gp videos (the format the Vibrant records in) compatible to watch on your TV, via your PS3 or Xbox 360.
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Oct 28, 2010
I can not figure out how to transfer my videos from my SF to my PC via USB. I successfully transferred one video via dropbox, but it seems to be having trouble with the current one I keep trying to move, maybe due to it's larger size, and it seems like it should be obvious to just plug in the USB and transfer it. The trouble I am having is that once my pc finds my SF and I "mount" it, and I have tried this via mass storage and via the media sync options, my pc will only let me view and transfer the files from the sd card, but apparently the videos I record with my phone are not stored on the sd card.
I need to know how to a) make the videos/pictures store on my sd card rather than the internal memory and b) transfer the videos/pics from my phone to my pc via USB. Usually I can figure this stuff out, but after searching all day, and reading tips, and going through the manual, and installing samsung's usb drivers, I have had it and need a nudge in the right direction.
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