Video Encoder and Video Codecs: How to Change Video Encoder?

To learn video encoder, just get to know what is video codec.

What is a video codec? A video codec is a kind of software or hardware that compress and decompresses digital video. In the context of video compression, “codec” is a portmanteau of encoder and decoder.

What Is A Video Encoder?

A video encoder refers to a device, either software or hardware, that (only) compresses digital videos, whereas a device that (only) decompresses a video is called a video decoder.

Usually, the compressed data format conforms to a standard video coding format. The compression is often lossy. That is to say, the compressed videos lack some information present in the original videos. As a result, decompressed videos have lower quality than the source ones for there is insufficient info to accurately reconstruct the original videos.

There are complicated relationships between the video quality, the amount of data used to represent the video (bitrate), the complexity of the encoding and decoding algorithms, sensitivity to data losses and errors, ease of editing, random access, as well as an end-to-end delay (latency).

The Applications of Video Codecs

Video codecs are applied in DVD players, Internet video, video on demand (VoD), videotelephony, digital cable (HDMI), digital terrestrial television, as well as various other apps. Especially, video codecs are widely used in programs that record or transfer videos, which may not be feasible with the high data volumes and bandwidths of uncompressed video.

Any video file or stream can be encoded with a wide variety of live video formats. Some video encoder H.264 settings need to be set when streaming to an HTML5 video player.

Common Video Codec Format

Many video compression formats can be implemented on personal computers (PCs) and in consumer electronics devices. Thus, multiple codecs are available in the same equipment, reducing the need to select a single major video compression format to achieve interoperability.

Standard video compression formats can be applied to multiple video encoders and decoders from multiple sources. For example, video encoded with a standard MPEG-4 Part 2 codec like Xvid can be decoded by any other standard MPEG-4 Part 2 decoder like DivX Pro Codec or FFmpeg MPEG-4 for they all adopt the same video format.

Codec Packs

Since online video data is encoded by various codecs, codec packs come into being. It is a pre-assembled set of usually used codecs combined with an installer available as a software package for PCs. Some popular codec packs are the K-Lite codec pack and Perian and Combined Community codec pack.

How to Change Video Encoder Format?

If you get a video but your current media player can’t play it for the video codec not supported by the player, you need to convert the video encoder to the supported type of your video player. Thus, you need a video codec converter such as MiniTool Video Converter, a free video and audio format converting program.

MiniTool Video ConverterClick to Download100%Clean & Safe

1. Download, install, and launch MiniTool Video Converter on your Windows computer.

2. By default, you will enter the Converting subtab under the Video Convert tab. There, click the big + icon in the center of the screen to add your video.

3. Click on the setting icon (an arrow pointing into a square) within the Target section to trigger the output format settings window.

4. Switch to the Video tab in the settings window and select a video format in the left menu. If you don’t want to alter other parameters of your video, just choose the same format and click on the Create Custom option in the bottom right.

5. In the next popup, find the Encoder option under the Video section and pick up a compatible video codec from the drop-down menu.

6. click the Create button to create your customized video format and select it when you are redirected back to the video tab.

7. Finally, click the Convert button in the main window to start the process.

Wait until it completes. Then, you can play the video with your media player.

History of Video Encoding

In the past, a video was saved as an analog signal on magnetic tape. When the compact disc (CD) was developed and used as a digital alternative for analog audio, people find it possible to directly store and deliver video in digital form.

To record and convey raw video, you need a large amount of storage space and bandwidth. To improve that situation, engineers and mathematicians have found many ways involving the compression of digital video data.

H.261 was the first practical video coding standard. It was developed by a number of companies including Hitachi, PictureTel, Nippon Telegraph and Telephone Corporation (NTT), BT, Toshiba, as well as many others. The most popular video coding standards are the Moving Picture Experts Group (MPEG) standards.

In 1991, MPEG-1 was developed by the group. It was designed to compress Video Home System (VHS) quality video. In 1994, MPEG-1 was succeeded by MPEG-2/H.262. The successor was developed by those companies: Sony, Thomson, Mitsubishi Electric, etc. MPGE-2 became the standard video format for DVD and SD digital television (TV).

In 1999, MPET-4/H.263 came into being, which was a major leap forward for video compression technology. Also, a lot of firms had contributed to the development of MPEG-4 including Mitsubishi Electric, Hitachi, and Panasonic.

However, the most widely used video coding format nowadays is MPET-4 AVC (H.264), which was developed in 2003 by these organizations: Panasonic, Good Kaisha IP Bridge, LG Electronic, and so on. H.264 is the main video encoding standard for Blu-ray Discs. It is also widely accepted by web applications including Adobe Flash Player and Microsoft Silverlight; streaming network services like YouTube, Vimeo, iTunes Store, and Netflix; as well as many high-definition television (HDTV) broadcasts over terrestrial and satellite TV.

In 2013, AVC (Advanced Video Coding) had been succeeded by High-Efficiency Video Coding (HEVC), also known as H.265 or MPEG-H Part 2. It is heavily patented by Samsung Electronics, General Electric Company (GE), NTT, and JVC Kenwood. However, the adoption of HEVC has been hampered by its complex licensing structure. In turn, HEVC was succeeded by Versatile Video Coding (VVC).

In addition, there are free VP8, VP9, and AOMedia Video 1 (AV1) video coding formats adopted by YouTube, all of which were developed with involvement from Google.

Since the features and applications of each video coding format are different, there is no best video encoder format for all, but good video encoder formats; or, just the best video encoder format for a certain type of situation.

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List of Video Codecs

A video coding format, also called video compression format, is a content representation format for storage or transmission of digital videos such as in a data file or bitstream. Typically, it makes use of a standardized video compression algorithm, most commonly based on discrete cosine transform (DCT) coding and motion compensation.

Video Codec vs. Video Format

A specific hardware or software implementation capable of compression or decompression to/from a specific video coding format is called a video codec. For instance, FFmpeg a the most common video codec for many video formats like H.264, CorePNG, and VP9.

First of all, the video compression formats can be sorted into 3 categories, non-compression, lossless compression, and lossy compression.

# Non-Compression Video Codec Formats

• RGB
• YUV: Intel IYUV
• 10-bit uncompressed video
• Composite digital signal
• Avid DNxUncompressed
• V210

# Lossless Video Codec Formats

ITU-T/ISO/IEC standards

• H.264: x264, FFmpeg
• H.265: x265, UHDcode, FFmpeg
• Motion JPEG 2000: libopenjpeg
• JPEG XS: FastTICO-XS

IETF standards

• FFV1: FFmpeg

SMPTE standards

• VC-2 HQ: libdirac, libschroedinger

Alparysoft Lossless Video Codec (Alpary)

Apple Animation (QuickTime RLE)

• QuickTime
• FFmpeg

ArithYuv

AV1

• libaom

AVIzlib

• LCL (VfW codec) MSZH and ZLIB
• FFmpeg

Autodesk Animator Codec (AASC)

• FFmpeg

CamStudio GZIP/LZO

• FFmpeg

Chennai Codec (EVX-2)

Dxtory

• FFmpeg

FastCodec

Flash Screen Video v1/v2

• FFmpeg

FM Screen Capture Codec

• FFmpeg

Fraps codec (FPS1)

• FFmpeg

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Grass Valley Lossless

• Grass Valley Codec Option
• FFmpeg

Huffyuv

• FFmpeg

IgCodec

Intel RLE

innoHeim/Rsupport Screen Capture Codec

• FFmpeg

Lagarith

• Lagarith Codec (VfW codec)
• FFmpeg

LOCO

• FFmpeg

MagicYUV

• MagicYUV SDK
• FFmpeg

Microsoft RLE

MSU Lossless Video Codec

MSU Screen Capture Lossless

CorePNG

• FFmpeg

ScreenPresso (SPV1)

• FFmpeg

ScreenPressor

• FFmpeg

SheerVideo

• FFmpeg

Snow lossless

• FFmpeg

TechSmith Screen Capture Codec (TSCC)

• EnSharpen Video Codec for QuickTime
• FFmpeg

Toponoky

Ut Video Codec Suite

• libutvideo
• FFmpeg

VBLE

• FFmpeg

VMnc VMware screen codec

• FFmpeg

VP9

• libvpx
• FFmpeg

YULS

ZeroCodec

• FFmpeg

ZMBV (Zip Motion Block Video) Codec

• FFmpeg

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Lossless game codecs

DXA

• ScummVM Tools
• FFmpeg

# Lossy Video Codec Formats

Discrete cosine transform (DCT)

General

ITU-T/ISO/IEC standards

• H.120
• H.261 (a.k.a. Px64): FFmpeg H.261 (libavcodec), Microsoft H.263
• MPEG-1 Part 2 (MPEG-1 Video): Elecard MPEG-1 video Encoder/Decoder, FFmpeg, MainConcept MPEG-1, TMPGEnc
• H.262/MPEG-2 Part 2 (MPEG-2 Video): Canopus ProCoder, Cinema Craft Encoder, Elecard MPEG-2 Video Decoder/Encoder, FFmpeg, InterVideo Video Decoder, MainConcept MPEG-2, Microsoft H.263, TMPGEnc
• H.263: FFmpeg H.263
• MPEG-4 Part 2 (MPEG-4 Advanced Simple Profile): 3ivx, DivX, Elecard MPEG-4 Decoder/Encoder, libavcodec, HDX4, Nero Digital, Xvid video codec
• H.264/MPEG-4 AVC or MPEG-4 Part 10 (MPEG-4 Advanced Video Coding): CoreAVC, Elecard AVC Decoder/Encoder, MainConcept, Nero Digital, QuickTime H.264, Sorenson AVC Pro, OpenH264, x264, FFmpeg
• MPEG-4 AVC variants: MPEG-4 Web Video Coding or MPEG-4 Part 29, XAVC
• HEVC (High-Efficiency Video Coding, H.265, MPEG-H part 2): x265
• Versatile Video Coding: VVC Test Model, Fraunhofer Versatile Video Decoder, Fraunhofer Versatile Video Encoder
• Video Coding for Browsers (VCB)/VP8 (MPEG-4 Part 31): libvpx, FFmpeg
• Internet Video Coding (MPEG-4 IVC)
• Essential Video Coding (EVC; MPEG-5 Part 1)
• Low Complexity Enhancement Video Coding (LCEVC; MPEG-5 Part 2)

IETF Internet Draft (NETVC)

• xvc
• Thor

SMPTE standards

• VC-1: FFmpeg
• Dirac: Schrödinger, dirac-research, FFmpeg

Alliance for Open Media

• AV1: libaom, SVT-AV1, rav1e, dav1d, libgav1

Xiph.Org Foundation

• Daala
• Theora: FFmpeg, libtheora

Apple Video (Apple RPZA)

• QuickTime
• FFmpeg

Blackbird

Firebird

Digital Video Interactive standards

• RTV 2.1 (a.k.a. Indeo 2): FFmpeg
• PLV (Production Level Video)

Indeo 3/4/5

Microsoft Video 1 (MSV1, MS-CRAM)

Open Media Commons standards:

• OMS Video

On2 Technologies

• FFmpeg

RealVideo 1, G2, 8, 9 and 10

• FFmpeg
• RealMedia HD SDK

RealVideo Fractal Codec (a.k.a. Iterated Systems ClearVideo)

• FFmpeg

RealMedia HD (a.k.a. RealVideo 11)

• RealMedia HD SDK

Snow Wavelet Codec

Sorenson Video, Sorenson Spark

• FFmpeg

VP9

• libvpx
• FFmpeg

Windows Media Video (WMV)

• WAX
• FFmpeg

Guobiao standards (GB/T)

• Audio Video Standard (AVS): AVS1-P2 (FFmpeg), AVS1-P7 (AVS-M), AVS2-P2 (uAVS2/xavs2/davs2), AVS3-P2 (uavs3e/uavs3d)

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Scalable

VP8, VP9, AV1, and H.266/VVC support scalable modes by default.

• Scalable Video Coding (H.264/SVC)
• Scalable High-Efficiency Video Coding (SHVC)

Intra-frame-only

Motion JPEG

• FFmpeg
• Morgan Multimedia M-JPEG
• Pegasus PICVideo M-JPEG
• MainConcept M-JPEG

ISO/IEC standard

• Motion JPEG 2000: libopenjpeg, FFmpeg, Morgan Multimedia M-JPEG2000, Morgan Multimedia dcpPlayer
• JPEG XS: intoPIX fastTICO-XS
• DV: FFmpeg
• MPEG-4 SStP: FFmpeg
• Motion JPEG XR

Apple ProRes 422/4444

• FFmpeg

Apple Intermediate Codec

• FFmpeg

Apple Pixlet

• FFmpeg

AVC-Intra

• x264
• FFmpeg

AVC-Ultra

XAVC-I

CineForm HD

• CineForm-SDK
• FFmpeg

SMPTE standard

• VC-2 SMPTE (a.k.a. Dirac Pro.): Schrödinger, dirac-research, VC-2 Reference video Encoder and Decoder, FFmpeg
• VC-3 SMPTE: Avid DNxHD, FFmpeg
• VC-5 SMPTE

Grass Valley HQ/HQA/HQX

• Grass Valley Codec Option
• FFmpeg

NewTek NT25

NewTek SpeedHQ

• FFmpeg

Stereoscopic 3D

Multiview Video Coding

Security and surveillance cameras

Guobiao standards

• AVS-S-P2
• SVAC

Infinity CCTV Codec (IMM4/IMM5/IMM6)

• FFmpeg

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CD-ROM or CD-related video codecs

• CDXL codec: FFmpeg
• Cinepak (a.k.a. Apple Compact Video): FFmpeg
• Photo CD codec: FFmpeg
• MotionPixels: FFmpeg
• CD+G (CD+Graphics): FFmpeg, VLC
• CD+EG (CD+Extended Graphics)

Network video codecs

• HEVC-SCC
• ZRLE
• Sun Microsystems’ CellB video (RTP playload type 25)
• Xerox PARC’s Network Video (nv; RTP playload type 28)
• CU-SeeMe
• GoToMeeting: FFmpeg

Bayer video codecs

• CinemaDNG
• Redcode RAW: libredcode
• ArriRaw
• Cineform RAW: CineForm-SDK
• Blackmagic RAW: Blackmagic RAW SDK
• Cintel RAW: FFmpeg
• Apple ProRes RAW
• intoPIX TICO RAW: intoPIX fastTICO-RAW SDK & TICO-RAW FPGA/ASIC libraries

Video games

• Bink Video/Smacker video: FFmpeg, libavcodec
• Nintendo Mobiclip: FFmpeg
• CRI Sofdec
• CRI P256
• Indeo Video Interactive (aka Indeo 4/5): FFmpeg, Intel Indeo Video

Real-time

• Hap/Hap Alpha/Hap Q: VIDVOX hap codec, FFmpeg
• DXV Codec: Resolume DXV Codec, FFmpeg
• NotchLC: FFmpeg
• VESA Display Stream Compression (DSC)
• VESA Display Compression-M (VDC-M)

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List of Open-Source Video Codecs

Among the above video codecs list, some of the codecs are open-source.

• x264
• OpenH264
• x265
• Xvid
• libvpx
• SVT-AV1
• VideoLAN dav1d
• Org rav1e
• Google libgav1
• xvc
• FFmpeg
• Lagarith
• libtheora
• Dirac as dirac-research
• Huffyuv
• Daala
• Thor
• Turing
• libaom
• Kvazaar
• VVenC & VVdeC

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Comparison of Video Codecs

The primary goal of most video compression solutions is to produce videos that most closely approximate the fidelity of the original videos while delivering the smallest file size. Besides some other factors that need to consider when comparing the codecs of videos include video quality per bitrate (range of bitrate), performance, and general software characteristics.

# Video Quality

Objective video quality

• Full reference
• Reduced reference
• No-reference

Subjective video quality

• Pre- and post-filters
• Motion estimation (ME) search strategy
• Rate control strategy

# Performance

Seed comparison

• Decompression frame time uniformity
• SIMD support
• Multi-threading support
• RAM speed
• Processor cache size
• GPU usage

Profiles support

• Baseline profile (BP)
• Main profile (MP)
• Extended profile (XP)
• High profile (HiP)
• High 10 profile (Hi10P)
• High 4:2:2 profile (Hi422P)
• High 4:4:4 predictive profile (Hi444PP)
• Multiview high profile
• High 10 intra profile
• High 4:2:2 intra profile
• High 4:4:4 intra profile
• CAVLC 4:4:4 intra profile
• Scalable baseline profile
• Scalable high profile
• Scalable high intra profile

Supported rate control strategies

• Variable bitrate (VBR)
• Constant bitrate (CBR)

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# Software Characteristics

• supported OS: Windows, Linux (e.g. Ubuntu), macOS
• technical details: compression type, basic algorithm, highest supported bitrate/resolution, variable frame rate.
• supported interfaces: VfW, DirectShow, etc.
• price: value for money, volume discounts, etc.
• license type: free, open-source, commercial
• manufacturer,
• version number
• release date

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