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* Provide (mostly) lockless updates for effect slotsChris Robinson2016-05-1215-187/+332
| | | | | | | | | | | | | | | | | Similar to the listener, separate containers are provided atomically for the mixer thread to apply updates without needing to block, and a free-list is used to reuse container objects. A couple things to note. First, the lock is still used when the effect state's deviceUpdate method is called to prevent asynchronous calls to reset the device from interfering. This can be fixed by using the list lock in ALc.c instead. Secondly, old effect states aren't immediately deleted when the effect type changes (the actual type, not just its properties). This is because the mixer thread is intended to be real-time safe, and so can't be freeing anything. They are cleared away when updates reuse the container they were kept in, and they don't incur any extra processing cost, but there may be cases where the memory is kept around until the effect slot is deleted.
* Use a lockless method for updating listener and context propertiesChris Robinson2016-05-117-78/+234
| | | | | | | | | | | This uses a separate container to provide the relevant properties to the internal update method, using atomic pointer swaps. A free-list is used to avoid having too many individual containers. This allows the mixer to update the internal listener properties without requiring the lock to protect against async updates. It also allows concurrent read access to the user-facing property values, even the multi-value ones (e.g. the vectors).
* Hold the buffer map lock while handling the bufferChris Robinson2016-05-103-4/+64
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* Hold the source map lock while handling itChris Robinson2016-05-104-2/+128
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* Add a comment about CoeffCount being 0Chris Robinson2016-05-101-1/+3
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* Use the source's offset type to determine if there's an offsetChris Robinson2016-05-092-7/+12
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* Find a valid source buffer before updating the voiceChris Robinson2016-05-094-53/+63
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* Store more "active" listener and context properties separatelyChris Robinson2016-05-093-11/+31
| | | | | This helps ensure async listener/context property changes affect all playing sources at the same time.
* Merge pull request #40 from rdb/masterkcat2016-05-033-12/+12
|\ | | | | Fix placement of alignas - fixes Mac OS X build
| * Fix placement of alignas - fixes Mac OS X buildrdb2016-05-033-12/+12
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* Don't crash when there's no backend to probeChris Robinson2016-04-301-2/+7
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* Start AL_SOFT_buffer_samples2 as a replacement for AL_SOFT_buffer_samplesChris Robinson2016-04-254-25/+115
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* Remove unnecessary code for the now-unused write offsetChris Robinson2016-04-251-53/+17
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* Add support for AL_EXT_SOURCE_RADIUSChris Robinson2016-04-252-10/+33
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* Drop support for AL_SOFT_buffer_samples and AL_SOFT_buffer_sub_dataChris Robinson2016-04-242-61/+3
| | | | | | Unfortunately they conflict with AL_EXT_SOURCE_RADIUS, as AL_SOURCE_RADIUS and AL_BYTE_RW_OFFSETS_SOFT share the same source property value. A replacement for AL_SOFT_buffer_samples will eventually be made.
* Avoid an unnecessary aluVectorChris Robinson2016-04-241-7/+7
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* Improve radius behavior with scaling of ambisonic coefficientsChris Robinson2016-04-2411-74/+120
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* Provide a decoder preset for 5.1 Surround outputChris Robinson2016-04-243-0/+55
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* Open the file selector to an existing path for presetsChris Robinson2016-04-231-1/+16
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* Install the ambdec preset filesChris Robinson2016-04-231-0/+14
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* Add some general info about how ambdec works to ambdec.txtChris Robinson2016-04-231-0/+7
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* Move some docs to the docs directoryChris Robinson2016-04-233-0/+0
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* Add docs for OpenAL Soft and standard decoder presetsChris Robinson2016-04-237-0/+421
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* Merge pull request #38 from geron-cn/patch-1kcat2016-04-221-1/+1
|\ | | | | fix audio play error in sample alffplay
| * fix audio play error in samplegero2016-04-221-1/+1
| | | | | | fix audio play error in sample
* | Update a config option commentChris Robinson2016-04-221-3/+2
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* Increase max output channels to 16Chris Robinson2016-04-192-12/+22
| | | | This also enables fully periphonic 3rd order HQ decoding.
* Combine two if checks into oneChris Robinson2016-04-191-5/+3
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* Remove unneeded ChannelMaps for BFormat formatsChris Robinson2016-04-171-14/+2
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* Trace the requested attribute valuesChris Robinson2016-04-171-0/+24
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* Avoid storing channel names for the dry bufferChris Robinson2016-04-163-27/+16
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* Don't look up the dry buffer's FrontCenter in the Dedicated effectChris Robinson2016-04-161-8/+4
| | | | | | The real FrontCenter output is used if it exists, and if it doesn't, it's unlikely the dry buffer will have it (and even if it does, it won't be any better than panning).
* Reorganize a bit of aluInitRenderer codeChris Robinson2016-04-161-46/+30
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* Silence possible out-of-bounds warning againChris Robinson2016-04-161-1/+1
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* More directly map coefficients for ambisonic mixing buffersChris Robinson2016-04-1514-130/+160
| | | | | | Instead of looping over all the coefficients for each channel with multiplies, when we know only one will have a non-0 factor for ambisonic mixing buffers, just index the one with a non-0 factor.
* Update some commentsChris Robinson2016-04-152-7/+8
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* Avoid mixing all coefficients together when only some are usedChris Robinson2016-04-159-60/+80
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* Fix possible out-of-bounds warningChris Robinson2016-04-151-2/+2
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* Shorten VECTOR_ITER_ macros to VECTOR_Chris Robinson2016-04-1510-68/+65
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* Update a commentChris Robinson2016-04-151-2/+2
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* Avoid unnecessary loops for setting up effect slot b-format buffer mixingChris Robinson2016-04-145-25/+47
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* Prepare the custom decoder in aluInitRendererChris Robinson2016-04-141-200/+193
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* Move the InitRenderer method to panning.cChris Robinson2016-04-143-187/+187
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* Separate some long if-else blocks into a separate functionChris Robinson2016-04-141-164/+179
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* Split aluInitPanning into separate functions for HRTF or UHJChris Robinson2016-04-145-252/+248
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* Put the decoder options in a group boxChris Robinson2016-04-101-186/+202
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* Improve error trace for bad matrix definitionsChris Robinson2016-04-101-2/+2
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* Fix xover_freq type in the ambdec docChris Robinson2016-04-101-2/+2
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* Use frequency-dependent processing for the ambisonic up-samplerChris Robinson2016-04-091-3/+37
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* Use the correct slot callback for the 6.1 and 7.1 decoder buttonsChris Robinson2016-04-081-2/+2
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