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Maintenance of the decoder data stream in Stagefright of Android4.2.2

Android source code Version: 4.2.2; hardware platform A31 Frontier: In the previous blog, we mentioned the control flow related to stagefright, analyzed the creation of MediaExtractor, AwesomePlayer, StagefrightPlayer, and OMXCodec In the android architecture, and the creation of OMXNodinstance at the underlying layer. This article analyzes the architecture of the underlying plug-in library and decoder component of OMX and how to create our own OMX P

How to choose between openH264 and x264 decoder

Turn from: Https://stackoverflow.com/questions/42220081/how-to-choose-between-openh264-and-x264-decoder Ask:down vote Favorite The I ' m using the dev build, zeranoe.com which has OpenH264 and libx264 in it. How can I choose between this two decoders to compare the decoding speed? avcodec_find_decoder (avcodecid.av_codec_id_h264); Only gives me the name "H264" but which decoder is it?

PHP generates a QR code and uses the PHPQRCode QR code to generate a class library.

The php qr code generation example is generated using the PHPQRCode class library. with this example, we can generate a QR code as easily as echoa. here we will introduce it to you. in the past, Google provided a relatively complete interface for generating QR code... the php qr Code generation example is generated usi

Recently, a public account needs to send a red envelope. a QR code is required to correspond to a red envelope and receive it by scanning the QR code. what is the problem about preventing red envelopes from being brushed?

Requirement: The program prepares several QR codes for the public account. The total amount is RMB. scan the QR codes to receive the QR codes. each QR code must receive a red envelope. you cannot receive the QR codes again after receiving the

C # character encoding decoding Encoder and decoder

In network transport and file operations, if the amount of data is large and needs to be divided into smaller, fast, it may appear that at the end of a block of data there is a mismatched high surrogate, and its matching low surrogate is in the next chunk.This time using the encoding GetBytes method to deal with the more troublesome, we directly use the encoder processing.Encoder can encode a set of characters into a sequence of bytes. Instead, decoder

The simplest Video Player Based on FFMPEG + SDL: Split-decoder and player, ffmpegsdl

The simplest Video Player Based on FFMPEG + SDL: Split-decoder and player, ffmpegsdl ========================================================== ================== List of the simplest FFmpeg-Based Video Player series: 100-line code is the simplest Video Player (SDL1.x) based on FFMPEG + SDL) The simplest Video Player ver2 Based on FFMPEG + SDL (using SDL2.0) Simplest FFmpeg-based decoder-pure version (excl

Add logo_PHP in the middle of the QR code and QR code generated by php

Php generates a QR code and a QR code with a logo in the middle. No one knows me when I wrote a QR code two years ago. Later, there were more apps scanning QR codes on mobile phones, which changed the times. Thanks to smartphones and. No one knows me when I wrote a QR code t

Decoder download address Summary

Here I have summarized the common fields. DivX 3.11 Alpha most commonly used DivX codec http://nickfan.euhs.net/softdownload/decoder/01divx_311alpha.zip Multiple coding standard http://nickfan.euhs.net/softdownload/decoder/02Ivi_95nt.zip released by Intel video codec intel DivX Layer 3 audio standard decoding this is the decoder http://nickfan.euhs.net/softdow

Instructions for using the iPhone QR code for in-depth resolution

(@ "twoDResult text === failedToDecodeImage "); Decoder. delegate = nil; } In this way, different decoding methods can be automatically identified by the sub-firmware after 4.0 compilation. For more than 4.0 of them, we try to automatically decode the QR code. In versions lower than 4.0, we tried to call the camera function and then decode the captured image. 4. Simulate the

Php generates a QR code and a QR code with a logo in the middle

No one knows me when I wrote a QR code two years ago. Later, there were more apps scanning QR codes on mobile phones, which changed the times. Thanks to smartphones and. The QR code is a two-dimensional bar code... SyntaxHighlighter. all (); Information nb I did not know when I wrote the QR code two years ago. Later,

Android Decoder Component Load

Reprint: http://blog.sina.com.cn/s/blog_645b74b90101djrj.htmlThe previous blog has drawn the Android Openbinder frame diagram, recently also looked at some OpenMAX il data, know IL client to complete the audio and video playback first need to complete some initialization work, such as IL The client will load the corresponding component in accordance with the OpenMAX framework, which will refine this section to see how Android loads the dynamic so library. One: The first is the management of plug

The simplest ffmpeg-based mobile sample: IOS Video Decoder

=====================================================The simplest example of a ffmpeg-based mobile Sample series article List:The simplest mobile-based example of FFmpeg: Android HelloWorldThe simplest ffmpeg-based mobile sample: Android Video DecoderSimplest FFmpeg-based mobile sample: Android Video Decoder-Single library versionSimplest FFmpeg-based mobile sample: Android push-to-streamThe simplest ffmpeg-based mobile sample: Android video transcodi

The simplest mobile-based FFmpeg example: Android Video Decoder-Single library version

This document records the FFmpeg-based video decoder on another Android platform. Unlike the decoder documented in the previous article, the decoder documented in this article no longer uses class libraries such as libavcodec.so, libavformat.so, and only uses a class library--libffmpeg.so. The source code for the video decode

IOS AV Foundation QR code scan 03 Add visualizations for scanned QR codes

In the previous section, we have implemented QR code scanning, which we use bounds and corners of metadata to achieve a visual scanning effect.Bounds defines a rectangle that contains a two-D code image, and corners defines the actual coordinates of the two-dimensional code image:The bounds and corners are the same when the camera and the QR code picture are completely aligned. But in general, it is almost

IOS AV Foundation QR code scan read QR code content using synthetic speech

IOS AV Foundation QR code scan read QR code content using synthetic speech In the previous section, we provided a visual display of the QR code recognized by the program. In this section, we read the content of the scanned QR code from the synthesized speech. Modify ViewController. m, define and initialize the followin

Symbian-create an MP3 Decoder

Create an MP3 DecoderUse mad -- (MPEG audio decoder Library) on the Symbian Platform) Here you can get an introduction to the solution for decoding MP3 using the mad library.Starting from Symbian 7.0s, you can use the MMF mechanism to play MP3 files on your smartphone,However, if your mobile phone does not support MP3 decoder, how can I play it? Or youHow can I play an MP3 file in your own format? Here,

The simplest example of Mobile End Based on FFmpeg: Android Video Decoder and ffmpegandroid

The simplest example of Mobile End Based on FFmpeg: Android Video Decoder and ffmpegandroidThis document records an FFmpeg-Based Video Decoder for Android. The C language source code of this video decoder comes from the simplest Video Player Based on FFMPEG + SDL. The related concepts are no longer repeated.Directory structure of the source code project. Java sou

C # Use qrcode. Net to generate a QR code (QR code)

Currently, many online applications use QR codes to share websites or other information. In the mobile field, the QR code has many application scenarios. Because of the needs of the project, you need to add a function to the website to generate a QR code to analyze the Web site. In the case of Google's Severe cramps, you are helpless to use Baidu. Baidu n many, f

3D-HEVC Decoder One

3D-HEVC's official standard test software solution HM_VC10 has 11 projects, respectively, Tappcommon,tappdecoder,tappencoder,tappextractor,tapprender,tlibcommon, Tlibdecoder,tlibencoder,tlibextractor,tlibrender and Tlibvideoio. Among them, the Tappdecoder project has Decmain.cpp,tappdeccfg.cpp and TAppDecTop.cpp three CPP files, as well as TAppDecCfg.h and TAppDecTop.h two header files.Here's a look at Decmain.cpp, which is the main function of the decoder

Change WMP12 video Decoder in Windows7

Recently, foreign users have reported that the use of Windows 7 RC Windows Media Player (WMP12) to play the MKV format of High-definition video has a lot of problems, playback is not smooth, subtitles can not be loaded, can not be reversed. The user then fed the problem to the Windows 7 Development Group, and soon he got a response: Microsoft said the problem was most likely caused by poor compatibility between the decoder and Windows 7, and suggested

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