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oot/docs/audio/Samplebank_XML.md
Tharo df5d4cb467
[Audio 10/10] Loose ends (#2337)
* Introduce afile_sizes, generate headers of sizes for soundfonts and sequences

* Initial tools/audio README

* Versioning for samplebank extraction

* Clean up the disassemble_sequence.py runnable interface

* Add static assertions for maximum bank sizes

* Boost optimization for audio tools

* Samplebank XML doc

* Soundfont XML doc

* More docs in sampleconv for vadpcm

* Various tools fixes/cleanup

* VADPCM doc

* Try to fix md formatting

* VADPCM doc can come later

* Fix merge with PR 9

* Fix blobs from MM

* Try to fix bss

* Try fix bss round 2

* Fix sampleconv memset bug

* Suggested documentation tweaks
2024-12-13 19:26:36 -05:00

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Samplebank XML Format Specification

Samplebank XMLs describe a samplebank file that contains compressed waveform data. It specifies which sample files to include as well as certain global properties such as the index of this samplebank.


<SampleBank
    Name="<C Indentifier>"
    Index="<uint>"
    Medium="<Medium>"
    CachePolicy="<CachePolicy>"
    BufferBug="[bool]"
>

Begins a new samplebank.

Attributes

  • Name: The name of the samplebank.
  • Index: The index of the samplebank for the samplebank table. Must be a unique index for all samplebanks and pointers.
  • Medium: The storage medium, from the SampleMedium enum.
  • CachePolicy: The cache policy, from the AudioCacheLoadType enum.
  • [Optional] BufferBug: Whether this samplebank suffers from a buffer clearing bug present in the original audio tools. For matching only.

Tags

  • <Pointer
        Index="<uint>"
    />
    

    Create an alternate index that refers to this samplebank.

    Attributes

    • Index: The alternative index, must be unique among all samplebanks and pointers.

  • <Sample
        Name="<C Identifier>"
        Path="<Path>"
    />
    

    Adds a compressed sample file to the samplebank. The sample should be single-channel and big-endian, in a format that is recognizable by the audio driver such as: pcm16, vadpcm, or half-frame vadpcm.

    Attributes

    • Name: Name of this sample. Must be a valid C language identifier.
    • Path: Path to aifc file relative to the project root (typically in $(BUILD_DIR)/assets/audio/samples/)

  • <Blob
        Name="<C Identifier>"
        Path="<Path>"
    />
    

    Adds a binary blob to the samplebank. Intended for matching only when data cannot be identified.

    Attributes

    • Name: Name of this blob. Must be a valid C language identifier.
    • Path: Path to binary file, relative to the project root (typically in $(BUILD_DIR)/assets/audio/samples/)

</SampleBank>