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Add hint about putting UUIDs in IMF filenames #59

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merged 2 commits into from
Mar 1, 2024
Merged

Add hint about putting UUIDs in IMF filenames #59

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eb2a4c9
Add hint about putting UUIDs in IMF filenames
Feb 29, 2024
60ce997
Explain upper case feature and document in code
Mar 1, 2024
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2 changes: 2 additions & 0 deletions apps/bmxtranswrap/bmxtranswrap.cpp
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Expand Up @@ -731,6 +731,8 @@ static void usage(const char *cmd)
printf(" - {fp_uuid}: The UUID material number in a file source package UMID\n");
printf(" The clip writers will by default generate UMIDs with UUID material numbers\n");
printf(" - {fp_umid}: The file source package UMID\n");
printf(" At least one letter in a variable name can also be in uppercase, which will result in\n");
printf(" the corresponding substituted value being in uppercase.\n");
printf(" - <umid> format is 64 hexadecimal characters and any '.' and '-' characters are ignored\n");
printf(" - <uuid> format is 32 hexadecimal characters and any '.' and '-' characters are ignored\n");
printf(" - <tstamp> format is YYYY-MM-DDThh:mm:ss:qm where qm is in units of 1/250th second\n");
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2 changes: 2 additions & 0 deletions apps/raw2bmx/raw2bmx.cpp
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Expand Up @@ -850,6 +850,8 @@ static void usage(const char *cmd)
printf(" - {fp_uuid}: The UUID material number in a file source package UMID\n");
printf(" The clip writers will by default generate UMIDs with UUID material numbers\n");
printf(" - {fp_umid}: The file source package UMID\n");
printf(" At least one letter in a variable name can also be in uppercase, which will result in\n");
printf(" the corresponding substituted value being in uppercase.\n");
printf(" - <umid> format is 64 hexadecimal characters and any '.' and '-' characters are ignored\n");
printf(" - <uuid> format is 32 hexadecimal characters and any '.' and '-' characters are ignored\n");
printf(" - <tstamp> format is YYYY-MM-DDThh:mm:ss:qm where qm is in units of 1/250th second\n");
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2 changes: 2 additions & 0 deletions docs/imf_track_files.md
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Expand Up @@ -36,3 +36,5 @@ and [SMPTE ST 2067-21 - Application #2E](https://ieeexplore.ieee.org/document/90
* Mastering Display White Point Chromaticity (`--display-white-point`)
* Mastering Display Maximum Luminance (`--display-max-luma`)
* Mastering Display Minimum Luminance (`--display-min-luma`)

IMF Track File names conventionally include the UUID material number of the top-level file source package UMID. This can be accomplished automatically by supplying an output filename argument as a pattern, such as `-o {Type}_{fp_uuid}.mxf`. This example pattern results in a filename beginning with `VIDEO`, `AUDIO` or `DATA`, such as `VIDEO_a145db5d-4623-4233-913f-15e16980b840.mxf`, but can be tuned with the `--ess-type-names` parameter.