![]() In the 8-color mode, the 4×4 block is split into eight 1×2 blocks, each of which is filled with a solid color. In the 4-color mode, the 4×4 block is split into four 2×2 blocks, each of which is filled with a solid color. The two full modes added in version 4 use 4 and 8 colors in a block, respectively. In the original full mode, 16 colors are transmitted, one for each pixel, equivalent to raw uncompressed PCM. There are three full modes, one was specified in version 2 of the Smacker format, while the other two were added in version 4. The mono mode can be interpreted as vector quantization, where a three-dimensional vector with the components red, green, and blue is quantized using an adaptive codebook with two entries. Both colors are written to the bitstream and one bit per pixel is used to indicate which of the two colors a pixel should be. ![]() In mono mode, the palette is locally reduced from 256 colors to two colors. In fill mode, the current block is filled with a single color. In skip mode, the current block is copied from the previous frame in a conditional replenishment fashion. Each mode can be signaled for multiple blocks in a run-length encoding scheme. Each block can be coded in one of six coding modes: skip, fill, mono, and three full modes. In Smacker video, a frame is split into 4×4 blocks in raster-scan order. The compression rate of Smacker can reach 1:12, but at the loss of quality ( pixelation). This usually results in SMK files that look better if the source video has more than 256 colors. While being a palette-based format, which is inherently limited to having not more than 256 colors in each frame, Smacker videos may still contain more colors in total due to "palette rotation", whereby the palette is updated on a per-frame basis. Smacker video supports 256 colors, and includes transparency support. The audio can either be uncompressed PCM, compressed in the Smacker Audio format, or, in newer versions of Smacker, compressed in the Bink Audio format. Each audio track can have either one channel (mono) or two channels (stereo) with a bit depth of either 8-bit or 16-bit. A Smacker file can contain a Smacker video track and up to seven audio tracks. Smacker defines its own container format. Technical details File format (container) A non-commercial SourceForge project libsmacker released an open source decoder in 2013. The format has been reverse engineered and implemented in libavcodec. Blizzard used this format for the cinematic videos seen in its games Warcraft II, StarCraft and Diablo I. Since its release in 1994, Smacker has been used in over 2300 games. The Smacker format specifies a container format, a video compression format, and an audio compression format. RAD's format for video at higher color depths is Bink Video. Smacker uses an adaptive 8-bit RGB palette. ![]() SMK file extension) developed by RAD Game Tools, and primarily used for full-motion video in video games. SEIZURE WARNING(?): The video player has a tendency to flicker while playing a video on newer operating systems, so consider this a Seizure Warning for those of suffer from certain forms of epilepsy.Smacker video is a video file format (with the. mp4 files are not supported by this version, unlike newer releases. bik files, the video formats that Red Faction uses for it's cutscenes and trailers. Newer releases do not not use the audio codec present in Red Faction, and thus, files made by those releases will not play audio in-game.īy using this program, you can now create. bik files that properly play audio in-game. You will NEED this version in order to create. bik (video format) files that are used in Red Faction. This is the version of RAD Video Tools that was likely used by Volition to create the.
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