mpeg4 editor

To put it simply, the MKV and AVI formats only encapsulate containers, which encapsulate video streams and audio streams. The container does not affect the image quality. What affects the quality is what is encapsulated in the container. Therefore, changing the container does not affect definition subtitle audio. I would like to add some basic knowledge about video. Maybe there is something wrong with it. First, the video format does not determine the definition. The definition of a video depend

Recently, a 3GP/MP4 Player uses FFMPEG to extract MPEG4 raw data from the Demux file of 3GP/MP4, which cannot be directly used for decoding. You need to add the vol header before the first frame. I copied the implementation of FFMPEG's encode_vol_header, and many files (especially qvga files) cannot be decoded. Finally, we learned that this vol does not need to be generated by ourselves. We only need to copy the data in avctx-> extradata_size to the f

In MPEG4 video, I-frame, p-frame, B-frame determination each frame of the MPEG4 is fixed at the beginning: B6, then how do we determine what frame the current frame belongs to? In the next 2bit, we will tell you the answer. Note: 2bit, not Byte, the following is the corresponding relationship between various types of frames and 2bit: 00:i Frame01:p Frame10:b Frame To better illustrate, let's take a few exam

MPEG4 the standard protocol. The Vop_time_increment_resolution in the Vol head and the Vop_time_increment in the VOP head together determine the frame rate used by the code stream. The Vop_time_increment_resolution in the Vol header, indicating the time resolution of the vop_time_increment. Its value actually represents the number of intervals 1 seconds are divided into. The vop_time_increment in the VOP header, which is defined in vol 1/vop_time_incr

In the previous article, we introduced how to integrate Baidu editor Umeditor in Yii2 and how to solve the problem of umeditor uploading pictures. Today we're going to talk about YII2 integration another powerful and easy-to-use Rich Text editor redactor, personally feel redactor than Baidu editor easy to use OH Redactor has the official YII2 plug-in package, t

Baidu Editor (baidu. editor), Editor baidu. editor The editor is usually used in some forums or blog websites. Now I will explain how to generate the editor using Jquery on the page. 1. Page code: 　　　Introduce relevant JS files: 　

Author: White Wolf Source: http://www.manks.top/article/yii2_umeditor_upload This article copyright belongs to the author, welcome reprint, but without the author's consent must retain this paragraph statement, and in the article page obvious location gives the original text connection, Otherwise, the right to pursue legal liability is retained. YII2 Framework integrated Baidu Editor, because the file upload is Yii2 bring the uploadedfile, it is inev

How to Use quill-editor with style editor in the Vue project, vuequill-editor By default, vue-quill-editor inserts an image directly into base64 and then into the content. If the image is large, the rich text content will be large. Insert a video directly in the dialog box and enter the URL address. In some cases, you

Why do I need to make a Rich Text editor [wangEditor5 months summary], editor Text editor1. Why the rich text box? When it comes to the web Rich Text Editor, many people are impressed by a search on the Internet, so they can throw a brick. Yes, I did search for it, but I really want you to give it a name. How many can you say? -- Probably not much? I don't need t