Analyzing YUV files: pixel formats and color planes explained
Learn how to open raw YUV files, pick the right pixel format, inspect individual color planes, and compare files side by side using the YUV Viewer.
VTCLab Blog
关于媒体格式、编解码器分析与版本更新的文章
v0.6.0
New parsers (MXF, MPEG-PS, Opus, Vorbis, JPEG, OGG, ...), DASH/HLS streaming, WebGL YUV viewer, refreshed web app.
Decoding Media Metadata: How Tools and Devices Leave Their Fingerprints
Every media file contains subtle traces of its creation. Embedded within these files are unique fingerprints left by the tools, devices, and encoders used during production. These metadata elements a
v0.5.6
Google spatial audio + sperical video, HEIC files basics, some more MP4 boxes, ...
v0.5.5
MPEG-H, AVCHD LPCM Audio, Dolby RPU in AV1, more HDR metadata...
v0.5.4
A lot of small improvements
v0.5.3
HDMV PGS Subtitles, TTML Subtitles, more HEVC, MPEG-TS & MP4 headers, ...
v0.5.2
AVS2/AVS3 video, AVI subtitles, IVF format, dark theme, ...
v0.5.1
DVB subtitles, SCTE-27 subtitles, small UI changes, ...
Exploring Apple's Stereoscopic Video
Apple's recent introduction of stereoscopic ("3D") video storage format for its visionOS platform, the algorithmic core of Apple Vision Pro glasses, has sparked a surge in interest. Support for this
New UI elements
In this post, we'll introduce the latest updates to the user interface of the analyzer application. We've added new elements aimed at optimizing functionality and improving the user experience. Let's
v0.5.0
Major UI rework (dockable panels, command palette, hex view, context menus)...
v0.4.3
Improved VVC parsing, more boxes for MP4/MOV, ...
v0.4.2
Add support for LOAS/LATM AAC wrapping, FLAC audio codec, AV1 metadata_obu, ...
v0.4.1
Support 'spatial video' files shot by iPhone 15 Pro, visualization improvements
v0.4.0
VP8, VP9, AV1 video codecs, AVI, WAV, FLV formats, fMP4 support, DoVi RPU, ...
v0.3.0
Matroska (MKV), WebM files support, more MP4/MOV boxes and SEI messages
How to check MPEG-TS program map table
Today we will learn how to quickly check MPEG-TS **program map table (PMT)** using VTCLab Media Analyzer. When you begin the analysis of MPEG-TS file, PMT may be a good start point. **It contains in
v0.2.6
Parsing of Timed Text in MP4/MOV files, basic support of AC-4 streams, added ATSC A/65 tables & descriptors, improved file type recognition
v0.2.5
SCTE-35 streams support, detailed user_data_registered_itu_t_t35 SEI parsing, XDCAM video in MP4
v0.2.4
Color metadata, fragments, protection boxes in MP4. Updates from 2022 standard for MPEG-TS. SEI + APS for VVC. - MP4: Support `schm`, `sinf`, `schi`, `sgpd`, `sbgp`, `mehd`, `trex`, `sidx`, `mfhd`,
Introducing Scroll Jog
Navigating through long lists of headers is a common task in media analysis, and the scrolling functionality plays a important role in how users interact with the content. To address this need, we in
v0.2.3
Detection of some unsupported formats to avoid representing them as 'broken' elementary streams, long-scroll helper element, few small improvements & fixes - Basic detection of RIFF (`*.avi` and `*.
v0.2.2
New visual control element to simplify navigation, reworked rendering engine, MP4/MOV improvements
v0.2.1
Mostly MP4/MOV, few HEVC/VVC improvements
v0.2.0, Public Beta
First public version. Some internal mechanics reworked
v0.1.0, Private Alpha
First working prototype that is shared with a limited group of people. Not much to be proud of, but still useful for some tasks. - Multiplexing Formats: MPEG-TS, MP4/MOV (basic atoms) - Video Encodi