81 lines
No EOL
2.4 KiB
Markdown
81 lines
No EOL
2.4 KiB
Markdown
# go-dcp
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Library to parse Digital Cinema Packages folders and Content Titles
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### TODO:
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* Adjust Matroska REPLAYGAIN_GAIN and REPLAYGAIN_PEAK to bring 85 dBc to 89 according to: `Cinemas are calibrated to the SMPTE RP 200:2012 standard where a -20 dB RMS pink noise signal is measured to 85 dBc and the reference fader level is set to 0.`
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### DCP Samples
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* [Tears of Steel 4K DCP](https://download.blender.org/demo/movies/ToS/ToS_4k_DCP.zip)
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* [GKID Press Room](https://gkids.com/press/) contains some DCP movie trailers (and full-length ones sometimes)
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* Create your own with [DCP-o-MATIC](https://dcpomatic.com/) or [OpenDCP](https://www.opendcp.org/)
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### Compilation
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```shell
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GOROOT=~/go/go1.22.4 ./build-tools.sh
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```
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## dcp tool
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This tool can be used to view information, verify or split DCPs.
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`-dcp` parameter can be either a DCP folder or an ASSETMAP path. Supports HTTP(s) URLs.
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### info
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Outputs DCP information in Markdown
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```shell
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./bin/dcp -mode info \
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-dcp /path/to/dcp/tos_version_05/
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```
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### verify
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Verifies DCP SHA1 hashes, media files and outputs the information in Markdown
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```shell
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./bin/dcp -mode verify \
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-dcp /path/to/dcp/tos_version_05/
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```
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### split
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Splits multi packing lists DCPs into single DCP into its own folder and soft-links files where possible.
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```shell
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./bin/dcp -mode split \
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-output /path/to/split/output/ \
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-dcp /path/to/dcp/tos_version_05/
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```
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## concat tool
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This tool can be used to merge a DCP into a single playable output via ffmpeg.
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SMPTE Subtitles not currently supported.
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See help for additional parameters to provide a custom CPL, select a specific packing list or drop specific reel ids.
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`-dcp` parameter can be either a DCP folder or an ASSETMAP path. Supports HTTP(s) URLs.
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```shell
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./bin/concat \
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-audio-channel-mapping auto \
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-flac \
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-out /path/to/output.mkv \
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-dcp /path/to/dcp/tos_version_05/
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```
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## playback tool
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This tool can be used to playback a DCP via [xyz2yuv](https://git.gammaspectra.live/WeebDataHoarder/xyz2yuv) and [mpv](https://mpv.io/).
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mpv will receive Rec. 2020 10-bit 4:4:4 decoded video, and original audio from DCP. Supports converting IOP subtitles to ASS.
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See help for additional parameters to provide a custom CPL, select a specific packing list or drop specific reel ids.
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`-dcp` parameter can be either a DCP folder or an ASSETMAP path. Supports HTTP(s) URLs.
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```shell
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./bin/playback \
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-audio-channel-mapping auto \
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-xyz2yuv /path/to/bin/xyz2yuv \
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-mpv /path/to/bin/mpv \
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-dcp /path/to/dcp/tos_version_05/
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``` |