diff options
Diffstat (limited to 'plugins/eg-sampler.lv2/atom_sink.h')
-rw-r--r-- | plugins/eg-sampler.lv2/atom_sink.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/plugins/eg-sampler.lv2/atom_sink.h b/plugins/eg-sampler.lv2/atom_sink.h new file mode 100644 index 0000000..ae3df30 --- /dev/null +++ b/plugins/eg-sampler.lv2/atom_sink.h @@ -0,0 +1,40 @@ +/* + Copyright 2016 David Robillard <d@drobilla.net> + + Permission to use, copy, modify, and/or distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. + + THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +/** + A forge sink that writes to an atom buffer. + + It is assumed that the handle points to an LV2_Atom large enough to store + the forge output. The forged result is in the body of the buffer atom. +*/ +static LV2_Atom_Forge_Ref +atom_sink(LV2_Atom_Forge_Sink_Handle handle, const void* buf, uint32_t size) +{ + LV2_Atom* atom = (LV2_Atom*)handle; + const uint32_t offset = lv2_atom_total_size(atom); + memcpy((char*)atom + offset, buf, size); + atom->size += size; + return offset; +} + +/** + Dereference counterpart to atom_sink(). +*/ +static LV2_Atom* +atom_sink_deref(LV2_Atom_Forge_Sink_Handle handle, LV2_Atom_Forge_Ref ref) +{ + return (LV2_Atom*)((char*)handle + ref); +} |