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40 lines
1.4 KiB
40 lines
1.4 KiB
/*
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Copyright 2016 David Robillard <d@drobilla.net>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/**
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A forge sink that writes to an atom buffer.
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It is assumed that the handle points to an LV2_Atom large enough to store
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the forge output. The forged result is in the body of the buffer atom.
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*/
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static LV2_Atom_Forge_Ref
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atom_sink(LV2_Atom_Forge_Sink_Handle handle, const void* buf, uint32_t size)
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{
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LV2_Atom* atom = (LV2_Atom*)handle;
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const uint32_t offset = lv2_atom_total_size(atom);
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memcpy((char*)atom + offset, buf, size);
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atom->size += size;
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return offset;
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}
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/**
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Dereference counterpart to atom_sink().
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*/
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static LV2_Atom*
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atom_sink_deref(LV2_Atom_Forge_Sink_Handle handle, LV2_Atom_Forge_Ref ref)
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{
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return (LV2_Atom*)((char*)handle + ref);
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}
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