RIFF (riff v0.1.0)
This is an Elixir module for reading RIFF and writing files.
example
Example
> riff = File.read!("foo.webp")
<<82, 73, 70, 70, 192, 199 ...>>
> parsed = RIFF.parse(riff)
%RIFF.ChunkWithSubChunks{
id: "RIFF",
size: 51136,
format: "WEBP",
sub_chunks: [
%RIFF.Chunk{
id: "VP8L",
size: 51123,
data: <<47 ...>>
}
]
}
> RIFF.find_chunk(parsed, "VP8L")
%RIFF.Chunk{
id: "VP8L",
size: 51123,
data: <<47 ...>>
}
> data = RIFF.encode(parsed)
<<82, 73, 70, 70, 192, 199 ...>>
Link to this section Summary
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chunk()
@type chunk() :: simple_chunk() | chunk_with_sub_chunks()
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chunk_with_sub_chunks()
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simple_chunk()
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encode(parsed)
@spec encode(chunk_with_sub_chunks()) :: binary()
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find_chunk(map, chunk_id)
@spec find_chunk(chunk_with_sub_chunks(), binary()) :: chunk()
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parse(buffer)
@spec parse(binary()) :: chunk_with_sub_chunks()
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replace_sub_chunk(parsed, new_sub_chunk)
@spec replace_sub_chunk(chunk_with_sub_chunks(), chunk()) :: chunk_with_sub_chunks()