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Add dovi detection for mkv #24
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Both parse/write implementations are based on mov/movenc. This only adds support for the "Dolby Vision configuration box". Other configuration boxes, such as "Dolby Vision enhancement layer configuration box" are not supported. The new functions will be used to implement parsing/writing the DOVI config for Matroska, as well as to refactor both mov/movenc to use dovi_isom functions. Signed-off-by: quietvoid <tcChlisop0@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Adds handling of dvcC/dvvC block addition mappings. The parsing creates AVDOVIDecoderConfigurationRecord side data. The configuration block is written when muxing into Matroska, if DOVI side data is present for the track. Most of the Matroska element parsing is based on Plex's FFmpeg source code. Signed-off-by: quietvoid <tcChlisop0@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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@fuzzard since we're probably not going to bump to ffmpeg 5 for Nexus, this looks like a pretty isolated change |
8 tasks
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@thexai FYI: This PR + backported PR xbmc/xbmc#22423 to Nexus branch may allow Dolby Vision for MKV files in Nexus releases. Many people really want it. |
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@the-black-eagle this PR misses mov.c and movenc.c files which also parse dolby isom. See https://github.com/FFmpeg/FFmpeg/search?q=dovi_isom.h |
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In 4.4 mov has an independent implementation, it doesn't need |
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Update FFmpeg with two cherry-picked commits from FFmpeg master that allow detection of DolbyVision data in mkv files. Tested locally to ensure functionality. No changes in Kodi needed, current detection code works fine with this update.