Encoder is a software program, device or algorithm that converts information from one format or code to another, for the purposes of standardization, speed, secrecy, security or compressions.
Questions tagged [encoder]
612 questions
50
votes
6 answers
Base64 encoder and decoder
Is there a base-64 decoder and encoder for a String in Android?
xydev
- 3,409
- 5
- 34
- 54
22
votes
3 answers
No encoder has been configured for account with fosUserBundle symfony2.1
I have this error when I submit the connexion form (I use FOSUserBundle latest version) :
No encoder has been configured for account "MyApp\UtilisateurBundle\Entity\Utilisateur
here is my entity :
user201892
- 277
- 2
- 4
- 11
16
votes
6 answers
How to write a video encoder with ffmpeg that explicitly controls the position of keyframes?
I want to write an encoder with ffmpeg which can put iFrames (keyframes) at positions I want. Where can I found tutorials or reference material for it?
P.S
Is it possible to do this with mencoder or any opensource encoder. I want to encode H263…
SunnyShah
- 28,934
- 30
- 90
- 137
16
votes
1 answer
How to pass Camera preview to the Surface created by MediaCodec.createInputSurface()?
Ideally I'd like to accomplish two goals:
Pass the Camera preview data to a MediaCodec encoder via a Surface. I can create the Surface using MediaCodec.createInputSurface() but the Camera.setPreviewDisplay() takes a SurfaceHolder, not a Surface. …
Andrew Cottrell
- 3,312
- 3
- 26
- 41
15
votes
1 answer
WebSocket: OnClose() is never called
I'm implementing an application with a WebSocket endpoint. Here is some code:
@ApplicationScoped
@ServerEndpoint(value="/socket", encoders = {MessageEncoder.class, CommandEncoder.class})
public class SocketEndpoint {
/** Default-Logger */
…
Second2None
- 462
- 2
- 8
- 22
14
votes
1 answer
Create MP4 video in JavaScript
Is it possible to create an MP4 video on a browser through JavaScript? (I know it is now possible in Flash with FlashyWrappers)
Ideally, I will be feeding it with image frames (raw, PNG or anything) and it will be combining them into an MP4…
Bill Kotsias
- 3,258
- 6
- 33
- 60
14
votes
2 answers
MediaCodec H264 Encoder not working on Snapdragon 800 devices
I have written a H264 Stream Encoder using the MediaCodec API of Android. I tested it on about ten different devices with different processors and it worked on all of them, except on Snapdragon 800 powered ones (Google Nexus 5 and Sony Xperia Z1).…
lowtraxx
- 321
- 3
- 8
14
votes
1 answer
How to use ByteBuffer in the MediaCodec context in android
So far I am able to setup a MediaCodec to encode a video stream. The aim is to save my user generated artwork into a video file.
I use android Bitmap objects of the user artwork to push frames into the stream.
See the code snippet I use at the…
Nar Gar
- 2,591
- 2
- 25
- 28
13
votes
1 answer
ffmpeg commands to concatenate different type and resolution videos into 1 video and can be played in android
I want to concatinate 4 different videos of 4 different resolution and type into 1 video which can be played in android. I am using ffmpeg ported on android using https://github.com/guardianproject/android-ffmpeg
So I have these 4 different types of…
Aalap
- 2,847
- 2
- 26
- 24
13
votes
1 answer
Hierarchical JPEG Encoder/Decoder
Does anyone knows of any implementation of the hierarchical JPEG mode (ITU T.81) ? I am not talking about progressive mode (or sequential), I really mean the hierarchical mode.
malat
- 12,152
- 13
- 89
- 158
12
votes
1 answer
Swift 4: With Codable `Generic parameter 'T' could not be inferred`
I am getting the following error:
Generic parameter 'T' could not be inferred
on line: let data = try encoder.encode(obj)
Here is the code
import Foundation
struct User: Codable {
var firstName: String
var lastName: String
}
let u1 =…
user1107173
- 10,334
- 16
- 72
- 117
12
votes
4 answers
Encode Base64 cannot find symbol error
It gives me a error when I try to compile it in terminal. It prints out this error:
-bash-4.1$ javac CPS3498/HW_Ch2/encrypt.java
CPS3498/HW_Ch2/encrypt.java:9: cannot find symbol
symbol : class Base64
location: package java.util
import…
Shiv Patel
- 131
- 1
- 2
- 11
11
votes
4 answers
Javascript , encodeURI failed to encode round bracket "("
I have cookie value which contains round bracket " e.g: demo (1)"
When I try to encode with encodeURI , the round bracket ( is not encoded to %28 , what is the alternative to encode the special characters like round brackets
Stin
- 141
- 1
- 2
- 12
10
votes
1 answer
Why is my custom JSONEncoder.default() ignoring booleans?
I want to convert a dictionary to a JSON string with boolean True values translated to the number 1 and boolean False values translated to the number 0. I'm using a JSONEncoder subclass, but it seems to ignore booleans ...
import json
class…
HippoMan
- 2,119
- 2
- 25
- 48
8
votes
1 answer
C# What is the difference between Text.Encoder and Text.Encoding
I am currently using Unicode in bytes and using Encoding class to get bytes and get strings.
However, I saw there is an encoder class and it seems like doing the same thing as the encoding class. Does anyone know what is the difference between them…
Eds
- 380
- 1
- 13