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ios音视频直播及播放技术预研总结。包含相机操作(视频预览,拍照,闪光灯等)、音频采集、音频编码(pcm->aac)、视频采集、视频编码(VideoToolBox 硬编码和ffmpeg软编码)、推流等各种直播相关功能

License: MIT License

Objective-C 6.35% C 86.47% Objective-C++ 0.32% C++ 6.85%

avlive_research's Introduction

AVLive_Research

ios音视频直播及播放技术预研总结

采集

视频采集

音频采集

编码

视频编码

音频编码

对音视频做MUX

  • 把音频AAC和视频H264转化ASF文件
  • 把ASF文件转化成MP4文件
  • 把音频AAC和视频H264转化成其它格式的文件

推流

阶段成果

利用上面的知识点做一个推流SDK

音视频播放

视频播放

OPenGL2的学习

  • 关于OPenGL
  • 关于定点着色器和片源着色器

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