Coder Social home page Coder Social logo

mybrc91 / simplest_ffmpeg_player Goto Github PK

View Code? Open in Web Editor NEW

This project forked from leixiaohua1020/simplest_ffmpeg_player

0.0 2.0 0.0 22.87 MB

the simplest video player based on FFmpeg

Home Page: http://leixiaohua1020.github.io/

Batchfile 0.02% Shell 0.02% C 88.99% C++ 10.98% Makefile 0.01%

simplest_ffmpeg_player's Introduction

最简单的基于FFmpeg的视频播放器 2
Simplest FFmpeg Player 2

雷霄骅 Lei Xiaohua
[email protected]
**传媒大学/数字电视技术
Communication University of China / Digital TV Technology
http://blog.csdn.net/leixiaohua1020


本程序实现了视频文件的解码和显示(支持HEVC,H.264,MPEG2等)。
是最简单的FFmpeg视频解码方面的教程。
通过学习本例子可以了解FFmpeg的解码流程。
项目包含6个工程:
simplest_ffmpeg_player:标准版,FFmpeg学习的开始。
simplest_ffmpeg_player_su:SU(SDL Update)版,加入了简单的SDL的Event。
simplest_ffmpeg_decoder:一个包含了封装格式处理功能的解码器。使用了libavcodec和libavformat。
simplest_ffmpeg_decoder_pure:一个纯净的解码器。只使用libavcodec(没有使用libavformat)。
simplest_video_play_sdl2:使用SDL2播放YUV的例子。
simplest_ffmpeg_helloworld:输出FFmpeg类库的信息。

备注:
标准版在播放视频的时候,画面显示使用延时40ms的方式。这么做有两个后果:
(1)SDL弹出的窗口无法移动,一直显示是忙碌状态
(2)画面显示并不是严格的40ms一帧,因为还没有考虑解码的时间。
SU(SDL Update)版在视频解码的过程中,不再使用延时40ms的方式,而是创建了
一个线程,每隔40ms发送一个自定义的消息,告知主函数进行解码显示。这样做之后:
(1)SDL弹出的窗口可以移动了
(2)画面显示是严格的40ms一帧


This software is a simplest video player based on FFmpeg.
Suitable for beginner of FFmpeg.
Solutions contains 6 Project:
simplest_ffmpeg_player: Standard Version, suitable for biginner.
simplest_ffmpeg_player_su: SU(SDL Update)Version, Add SDL Event.
simplest_ffmpeg_decoder_pure: A pure decoder. Only use libavcodec (Without libavformat).
simplest_ffmpeg_decoder: A decoder that can demux container format. Uses libavcodec and libavformat.
simplest_video_play_sdl2: Example about using SDL2 play YUV data.
simplest_ffmpeg_helloworld: Output informations about FFmpeg libraries.

Remark:
Standard Version use's SDL_Delay() to control video's frame rate, it has 2
disadvantages:
(1)SDL's Screen can't be moved and always "Busy".
(2)Frame rate can't be accurate because it doesn't consider the time consumed 
by avcodec_decode_video2()
SU(SDL Update)Version solved 2 problems above. It create a thread to send SDL 
Event every 40ms to tell the main loop to decode and show video frames.

simplest_ffmpeg_player's People

Contributors

leixiaohua1020 avatar

Watchers

 avatar  avatar

Recommend Projects

  • React photo React

    A declarative, efficient, and flexible JavaScript library for building user interfaces.

  • Vue.js photo Vue.js

    🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

  • Typescript photo Typescript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

  • TensorFlow photo TensorFlow

    An Open Source Machine Learning Framework for Everyone

  • Django photo Django

    The Web framework for perfectionists with deadlines.

  • D3 photo D3

    Bring data to life with SVG, Canvas and HTML. 📊📈🎉

Recommend Topics

  • javascript

    JavaScript (JS) is a lightweight interpreted programming language with first-class functions.

  • web

    Some thing interesting about web. New door for the world.

  • server

    A server is a program made to process requests and deliver data to clients.

  • Machine learning

    Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.

  • Game

    Some thing interesting about game, make everyone happy.

Recommend Org

  • Facebook photo Facebook

    We are working to build community through open source technology. NB: members must have two-factor auth.

  • Microsoft photo Microsoft

    Open source projects and samples from Microsoft.

  • Google photo Google

    Google ❤️ Open Source for everyone.

  • D3 photo D3

    Data-Driven Documents codes.