FFmpeg Quick Start in Windows
Author:
A. TNG
Email:
Jiyucn@163.com
Refer:
Http://www.ffmpeg.com.cn/
FFmpeg Introduction
What is FFmpeg?
FFmpeg is a complete solution for recording, conversion, and streaming
FFmpeg is an open-source platform for recording, converting, playing and streaming video and audio. It supports des libavcodec, a popular video/audio codec.
Several popular Android applications are built based on FFMPEG, including rockplayer, moboplayer, acrmedia, vitalplayer, V-cut express etc. if you're developing multimedia applications that needs a video/audi
Reprint please the head source link and the tail two-dimensional code reproduced together, this article from: http://blog.csdn.net/hejjunlin/article/details/52402759Today, the introduction of FFmpeg under Linux installation of the compilation process, with the CentOS, the overall process is relatively smooth, that is, in the ffmpeg and other time a little longer. There are no technical difficulties. Only if
I am pleased to announce that FFMPEG can now be built unpatchedThe iPhone. The process is still not entirely without pain, however.Here's how it's done:1. download and install the iPhone sdks 3.1.2. Get the latest gas-Preprocessor and install it in/usr/local/binOr some other directory in your $ path.Http://github.com/yuvi/gas-preprocessor/3. Get the latest FFMPEG from SVN (minimum r20151 ).4. Configure
Problem scenario: Transcode files with FFmpeg.
Problem Description: Use PHP to implement transcoding with three methods called Terminal ffmpeg via exec (), PassThru (), System ()
The code is as follows:
To run this PHP file in the terminal, it can be transcoded normally.However, access to this file via the Web cannot be transcoded. Why??Before the full path of the FFm
M_filev412=open ("/dev/camera" O_RDWR) via Read (Fd,inyuv422,d SIZE) Read the camera's video data into the array inyuv422, and turn the camera off via Closc (m_filev412). Once you have the video data, you can encode it through ffmpeg.2.3 FFmpeg encoding2. 3. 1 FFmpeg IntroductionFFmpeg is an open source, free cross-platform video and audio
FFmpeg has very powerful functions including video capture function, video format conversion, video capture, video watermark, etc., the core functions of the following.
Video Capture function
FFmpeg video capture function is very powerful, not only can collect video capture card or USB camera image, but also
For screen recording, but also supports the RTP streaming
Android streaming layout with filtering function, filtering android streaming LayoutFilterFlowLayout
For stream layout with filter functions, see FlowLayout
Remove sub-views whose width is not in the range (proportion or actual value)
You can set the maximum number of rows.
You can add horizontal spacing between components.
You can add line spacing
System Requirements
Android 4.0 or aboveQuick Start
product
model
API
warranty
fault tolerant mechanism
State Management
Delay
Throughput
Maturity
Strom
Native
Combined
At-least-once
Record ACKs
No
Very Low
Low
High
Trident
Mirco-batching
Combined
Exectly-once
Record ACKs
Operation-based state management
Low
Low
High
Spark Streaming
Mirco-batchin
Recently, we are developing streaming media. on the server side, live555 does not support MP4, Avi, and other video container formats. Therefore, we plan to use FFMPEG for extension. Use FFMPEG to parse the MP4 file and parse it into the basic video stream format supported by live555 (such as H. 264, etc.) and audio stream format, and then use live555 to process
FFmpeg is an open-source computer program that can be used to record, convert digital audio, video, and turn it into a stream. It provides a complete solution for recording, converting, and streaming audio and video. It contains a very advanced audio/video codec library Libavcodec.This program has only command-line mode, so when installed under Windows, it is different from the general installer, the specif
When we use CentOS7 to bring the source, Yum search is not the title of the above two related packages, and OPENCV need to use FFmpeg read video files. This has to be installed.You can refer to the FFmpeg official documentation:Http://rpmfusion.org/FAQInstall the title-said package with a rpmfusion third-party external software repository.First you need to install this source, run the command:Su-c ' Yum loc
Recently, I am working on multimedia development on Android. First, I need to port FFMPEG on Android. As a result, I have been searching for articles on the Internet for a long time, the generated library file is only 1.6kb in size,
This can be an emergency for me.
Finally, in my system Ubuntu 10.04, Android ndk is Android ndk r5b, And the libffmpeg. So file of 1.9m size is successfully compiled. Recently I decided to write down the compilation proces
Ffplay and FFmpeg call the same library.I just tried it, but I can play it.Ffplay "Rtmp://tsl.s1979.cutv.com:1935/cutvchannellive/axefrth/live live=1"FFmpeg Integration librtmp Implement RTMP related functions, sometimes librtmp default parameters will not fit, may need to attach some parameters. You can try this live stream like this:Ffmpeg-i "rtmp://. Live=1 "-C copy dump.flvNote that "Live" is preceded b
.
Decode_video (InputStream *ist, Avpacket *pkt, Int*got_output), decoding in InputStream, Single-threaded and multi-threaded chip decoding walk Vctx->codec->decode, multi-threaded frame decoding go ff_thread_decode_frame.
Arrows are pointer reference relationships, and straight lines are parallel relationships. Hehe, we can look at the code, here to draw, that is to show that they have a connection.
In addition, the synchronization problem, we should also pay attention to.
Here's a picture h
1, FFMEPG structure description1.1 "IntroductionFFmpeg (Fast Forward movingpictures experts Group) is a complete solution for the separation, conversion, encoding and decoding of audio and video and streaming media, the most important of which is the Libavcodec library, which is a set recording, conversion, sound/ Video encoding and decoding functions as a complete open source solution. The development of FFmpeg
Http://itindex.NET/detail/48702-nginx-rtmp-httpOne, streaming media playback mode1. HTTP modeThis way to download the FLV video file to local playback, once the FLV video file download is complete, will not consume the server resources and bandwidth, but the drag function is not rtmp/rtmp streaming media powerful, many video sites are implemented in HTTP, such as: YouTube, potatoes, cool 6, etc.2, rtmp/rtmp
: This article mainly introduces how to use nginx to build flv and mp4 streaming media servers based on rtmp or http. if you are interested in PHP tutorials, refer to it. Http://itindex.net/detail/48702-nginx-rtmp-http
I. streaming media playback mode1. HTTP
In this way, you need to download the FLV video file and play it locally. Once the FLV video file is downloaded, the server's resources and bandwidth
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