98 questions
1
vote
1
answer
136
views
How to convert a WAV file into a 3gp in Android using MediaCodec
I have tried to perform the with the following conversion loop.
while (true) {
sampleSize = extractor.readSampleData(inputBuffer, 0)
if (sampleSize < 0) break
val ...
- 11
1
vote
1
answer
199
views
Has anyone overcome low-quality issues with .3gpp?
I am prototyping a simple Twilio SMS workflow:
Inbound MMS from customer (Video media is automatically stored to S3 Twilio CDN)
Outbound MMS to client team with MediaUrl from S3.
The inbound MMS media ...
user21749472
3
votes
1
answer
929
views
3gp file not playing audio in chrome
I have a 3gp file I'm trying to display and play in chrome browser. It seems to play the video fine but the audio is not playing...When I download the file on my machine the audio and video plays fine....
1
vote
0
answers
1k
views
How to build ffmpeg to get the smallest static library? I only want convert 3gp to mp4
I need to convert 3gp files into MP4 format files in my iOS App. I use ffmpeg to convert. But the complete ffmpeg package increased my app by 6MB. How do I build ffmpeg to get the smallest static ...
- 81
0
votes
1
answer
167
views
3GP video with "jpeg" video codec
I have cheap feature phone which can record videos in 3gp file format. When I upload such video to computer and inspect it with mediainfo it gives mysteriuos output:
Format ...
1
vote
1
answer
1k
views
Write .3gp file into .wav format python Flask server
I need to record a .3gp audio file coming from the Android front-end to be converted into .wav audio using the python Flask server back-end for further processing. Any suggested method or library to ...
0
votes
2
answers
1k
views
difference between "enum" and "choice" type in ASN1
can somebody please explain when an "enum" variable is used vs when a "choice" variable is used in ASN1 ?
- 67
2
votes
0
answers
1k
views
3GPP Cell ID and Cell Type
I was going through the 3GPP documents, different Cell IDs and Cell Types.
CellType Format
CGI MCC+MNC+LAC+CI
ECGI MCC+MNC+ECI
SAI PLMN-ID+LAC+SAC
TAI MCC+MNC+TAC
For Eg:
ECGI ...
- 79
3
votes
0
answers
197
views
Problems saved as 3gp files when screen recording on Android9
In Android 9, even if you specify MIME_TYPE of MediaStore as "video/mp4" and DISPLAY_NAME as "fileName.mp4", it will be saved as a 3gp file.
In Android 10, it works without ...
- 31
0
votes
1
answer
549
views
How to receive 3gp file from android and decode it using python?
I'm trying to receive a 3gp file from android and use the values in to inference a machine learning model in my server. The server codes are in python.
When I open the file I received using the code ...
- 1,126
1
vote
1
answer
518
views
How to upload audio (3gp) file to firebase storage?
EDIT: I have added in 'recRef' ".3gp" at the end of the reference and now when I use the emulator it uploads as .3gp file of 0KB and external device still uploads an "application/octet-stream" file (...
- 21
-1
votes
1
answer
483
views
How to programatically download a video?
I'm trying to programmatically download a video file from a web-server through a link.
If you'd click that link through a web-browser it would just prompt you to download the video and to provide a ...
- 8,595
-1
votes
1
answer
2k
views
Fixing a corrupted .MP4 file. which might be a 3gp file
I have a file called input.MP4 and it is corrupted. It's from a CCTV camera. I tried everything, ffmpeg, VLC convert, no luck. However, I used mediainfo and exiftool and extracted the following info....
0
votes
0
answers
228
views
Convert 3gp files to Ogg Vorbis?
I have a Xamarin.Android project that records audio to the .3gp format using the MediaRecorder. I need to convert this file to the .ogg Ogg Vorbis format.
Is there a library or NuGet package that ...
- 113
0
votes
3
answers
2k
views
Ionic 3 get base64 audio string from recorded file
I am using cordova-plugin-media to record voice(with pause and resume features) in my ionic app for android. After I record it I need to get base64 string in order to play it using html audio tag. And ...
- 301
