Web video codec All In One

Web video codec All In One

网络视频编解码器汇总

AV1
H.263
AVC (H.264)
HEVC (H.265)
MPEG-1
MPEG-2
MP4V-ES
VP8
VP9

MDN

视频编解码器的作用: 对原始视频进行高效压缩和解压缩操作

Codec name (short)	Full codec name	Container support
AV1	AOMedia Video 1	MP4, WebM
AVC (H.264)	Advanced Video Coding	3GP, MP4
H.263	H.263 Video	3GP
HEVC (H.265)	High Efficiency Video Coding	MP4
MP4V-ES	MPEG-4 Video Elemental Stream	3GP, MP4
MPEG-1	MPEG-1 Part 2 Visual	MPEG, QuickTime
MPEG-2	MPEG-2 Part 2 Visual	MP4, MPEG, QuickTime
Theora Deprecated	Theora	Ogg
VP8	Video Processor 8	3GP, Ogg, WebM
VP9	Video Processor 9	MP4, Ogg, WebM

https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Video_codecs

视频编解码器的工作原理和工作流程图解

对原始格式视频进行高效压缩编码操作，生成对应的压缩容器格式视频
对压缩容器格式视频进行解压缩编码操作(解码), 还原成原始格式视频

demos

存储未压缩视频所需的数据量

1. A single frame of high definition (1920x1080) video in full color (4 bytes per pixel) is 8,294,400 bytes.
2. At a typical 30 frames per second, each second of HD video would occupy 248,832,000 bytes (~249 MB).
3. A minute of HD video would need 14.93 GB of storage.
4. A fairly typical 30 minute video conference would need about 447.9 GB of storage, and a 2-hour movie would take almost 1.79 TB (that is, 1790 GB).

refs

https://en.wikipedia.org/wiki/Video_codec

https://www.muvi.com/blogs/best-video-codec-for-streaming/

https://api.video/blog/product-updates/every-video-format-codec-and-container-explained/

https://stackoverflow.com/questions/3027707/how-to-change-the-playing-speed-of-videos-in-html5

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