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  • 大小: 40.61M
    文件類型: .zip
    金幣: 1
    下載: 0 次
    發(fā)布日期: 2020-12-22
  • 語言: Java
  • 標(biāo)簽: 視頻對講??對講??視頻??

資源簡介

本項目提供Android平臺點對點音視頻對講功能，項目的基本架構(gòu)如下:
1. Android Camera2 API 采集預(yù)覽視頻
2. MediaCodec 進(jìn)行硬編碼，編碼成h264視頻文件
3. AudioRecord采集音頻PCM數(shù)據(jù)，同樣利用MediaCodec編碼成AAC數(shù)據(jù)
4. jrtplib庫進(jìn)行視頻音頻數(shù)據(jù)發(fā)送，本項目修改jrtplib庫，添加了大數(shù)據(jù)切片功能，方便進(jìn)行網(wǎng)絡(luò)傳輸
5. ffmpeg對接收到的數(shù)據(jù)進(jìn)行解碼，利用ffmpeg軟解碼的原因是減少延時，Android硬解碼由于機(jī)制問題，會存在
    緩沖隊列，導(dǎo)致延時過大，ffmpeg能夠很好解決這個問題。
6. 利用SurfaceTexture進(jìn)行繪制，在JNI層直接將解碼的RGB數(shù)據(jù)拷貝到Surface中，減少數(shù)據(jù)傳遞

資源截圖

代碼片段和文件信息 

package?com.forrest.communication;

import?android.Manifest;
import?android.app.Activity;
import?android.app.AlertDialog;
import?android.app.Dialog;
import?android.content.Context;
import?android.content.DialogInterface;
import?android.content.pm.PackageManager;
import?android.graphics.SurfaceTexture;
import?android.hardware.camera2.CameraAccessException;
import?android.hardware.camera2.CameraCaptureSession;
import?android.hardware.camera2.CameraCharacteristics;
import?android.hardware.camera2.CameraDevice;
import?android.hardware.camera2.CameraManager;
import?android.hardware.camera2.CaptureRequest;
import?android.hardware.camera2.params.StreamConfigurationMap;
import?android.os.Bundle;
import?android.os.Handler;
import?android.os.HandlerThread;
import?android.support.annotation.NonNull;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-08-15?09:04??Communication-master\
?????文件?????????216??2019-08-15?09:04??Communication-master\.gitignore
?????目錄???????????0??2019-08-15?09:04??Communication-master\.idea\
?????目錄???????????0??2019-08-15?09:04??Communication-master\.idea\codestyles\
?????文件????????7402??2019-08-15?09:04??Communication-master\.idea\codestyles\Project.xml
?????文件?????????153??2019-08-15?09:04??Communication-master\.idea\codestyles\codestyleConfig.xml
?????目錄???????????0??2019-08-15?09:04??Communication-master\.idea\dictionaries\
?????文件??????????82??2019-08-15?09:04??Communication-master\.idea\dictionaries\who.xml
?????文件?????????135??2019-08-15?09:04??Communication-master\.idea\encodings.xml
?????文件?????????729??2019-08-15?09:04??Communication-master\.idea\gradle.xml
?????文件????????4265??2019-08-15?09:04??Communication-master\.idea\markdown-navigator.xml
?????目錄???????????0??2019-08-15?09:04??Communication-master\.idea\markdown-navigator\
?????文件?????????104??2019-08-15?09:04??Communication-master\.idea\markdown-navigator\profiles_settings.xml
?????文件????????3077??2019-08-15?09:04??Communication-master\.idea\misc.xml
?????文件?????????564??2019-08-15?09:04??Communication-master\.idea\runConfigurations.xml
?????文件?????????180??2019-08-15?09:04??Communication-master\.idea\vcs.xml
?????文件????????1068??2019-08-15?09:04??Communication-master\LICENSE
?????文件????????1264??2019-08-15?09:04??Communication-master\README.md
?????目錄???????????0??2019-08-15?09:04??Communication-master\app\
?????文件???????????8??2019-08-15?09:04??Communication-master\app\.gitignore
?????文件????????4495??2019-08-15?09:04??Communication-master\app\CMakeLists.txt
?????文件????????1139??2019-08-15?09:04??Communication-master\app\build.gradle
?????文件?????????772??2019-08-15?09:04??Communication-master\app\proguard-rules.pro
?????目錄???????????0??2019-08-15?09:04??Communication-master\app\release\
?????文件????18567060??2019-08-15?09:04??Communication-master\app\release\app-release.apk
?????文件?????????234??2019-08-15?09:04??Communication-master\app\release\output.json
?????目錄???????????0??2019-08-15?09:04??Communication-master\app\src\
?????目錄???????????0??2019-08-15?09:04??Communication-master\app\src\main\
?????文件????????1236??2019-08-15?09:04??Communication-master\app\src\main\AndroidManifest.xml
?????目錄???????????0??2019-08-15?09:04??Communication-master\app\src\main\java\
?????目錄???????????0??2019-08-15?09:04??Communication-master\app\src\main\java\com\
............此處省略445個文件信息

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