![]() Initially created in 2002, this container format is now widely used for its flexibility, efficiency, and simplicity. ![]() The term container refers to the fact it is an envelope for which there can be many video, audio, and subtitle streams, empowering the end user to store a whole movie or many CDs in a single file. Matroska itself is a very popular multimedia container format, meaning it is not a video or audio compression format (not a codec). Well, in fact, it's a pretty common file format that encompasses .mkv files (Matroska video). ![]() What are Matroska files, you may ask? I never used those files. Simply put, MKVToolNix is a set of tools designed to create, alter, and inspect Matroska files. Fixes #3479.Alright, everyone, here we are going to be a little techy, but nothing you cannot grasp easily. mkvmerge: HEVC/H.265 packetizer: when reading & appending HEVC/H.265 from Matroska, MP4/MOV or FLV files the first frame of all the appended files was sometimes dropped, resulting in broken video at the point where video is appended.Before the change the calculation was done based on initial pixel dimension values of 0x0, resulting in display dimensions of 0x0, too. That way the pixel dimensions are available for calculating the display dimensions when command-line options such as `-aspect-ratio` & `-aspect-ratio-factor` are used. mkvmerge: AV1 handling in readers: the readers will now provide the pixel dimensions to the AV1 packetizer as early as possible, just like for other video packetizers.It won't stop processing unconditionally after the first file ends anymore. ![]() mkvmerge: when the user requests processing be stopped after the video ends `mkvmerge` will now take appending files into account properly. ![]()
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