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* Avoid using memcpy to copy a single structChris Robinson2016-07-061-14/+12
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* Remove a slightly outdated commentChris Robinson2016-07-061-1/+0
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* Remove the VirtOut buffer aliasChris Robinson2016-07-051-6/+3
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* Rename MaxNoOfSources for consistencyChris Robinson2016-06-081-1/+1
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* Only define 8 HRTF filter states and params for the deviceChris Robinson2016-06-041-2/+2
| | | | | It will only be used with a cube channel setup, so there's no need to have one for every possible output channel.
* Add property queries to get the device latency with the clockChris Robinson2016-06-031-0/+2
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* Remove some unnecessary volatile keywordsChris Robinson2016-06-032-33/+33
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* Make a function staticChris Robinson2016-06-011-1/+0
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* Use a macro to specify the ambisonic periphonic channel maskChris Robinson2016-06-011-1/+10
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* Use SSE for applying the HQ B-Format decoder matricesChris Robinson2016-05-311-0/+3
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* Hold the effectslot map lock while handling itChris Robinson2016-05-291-2/+11
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* Use a linked list for active effect slotsChris Robinson2016-05-292-1/+3
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* Use a specific lock for the backend's stop/reset/play callsChris Robinson2016-05-271-0/+2
| | | | | This helps protect against the device changing unexpectedly from multiple threads, instead of using the global list/library lock.
* Avoid using realloc in a number of placesChris Robinson2016-05-211-0/+1
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* Make the source position calues atomicChris Robinson2016-05-191-2/+2
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* Avoid redundantly storing distance model settingsChris Robinson2016-05-172-7/+1
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* Use floats for the listener transformsChris Robinson2016-05-162-26/+1
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* Don't store the source's update method with the voiceChris Robinson2016-05-162-6/+0
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* Avoid separate updates to sources that should apply togetherChris Robinson2016-05-152-2/+6
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* Avoid using a flag to specify if the effect state needs to be updatedChris Robinson2016-05-151-3/+1
| | | | | This fixes a potential missed state change if an update with a new state got replaced with one that doesn't.
* Provide asynchronous property updates for sourcesChris Robinson2016-05-143-26/+85
| | | | | | | | | | | | | | | | | | | | | | | | | This necessitates a change in how source updates are handled. Rather than just being able to update sources when a dependent object state is changed (e.g. a listener gain change), now all source updates must be proactively provided. Consequently, apps that do not utilize any deferring (AL_SOFT_defer_updates or alcSuspendContext/alcProcessContext) may utilize more CPU since it'll be filling out more update containers for the mixer thread to use. The upside is that there's less blocking between the app's calling thread and the mixer thread, particularly for vectors and other multi-value properties (filters and sends). Deferring behavior when used is also improved, since updates that shouldn't be applied yet are simply not provided. And when they are provided, the mixer doesn't have to ignore them, meaning the actual deferring of a context doesn't have to synchrnously force an update -- the process call will send any pending updates, which the mixer will apply even if another deferral occurs before the mixer runs, because it'll still be there waiting on the next mixer invocation. There is one slight bug introduced by this commit. When a listener change is made, or changes to multiple sources while updates are being deferred, it is possible for the mixer to run while the sources are prepping their updates, causing some of the source updates to be seen before the other. This will be fixed in short order.
* Store the remaining context properties with the listener propertiesChris Robinson2016-05-131-0/+6
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* Get rid of an unnecessary copy of ALeffectPropsChris Robinson2016-05-131-3/+2
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* Hold the effect and filter maps while handling effects and filtersChris Robinson2016-05-122-4/+22
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* Avoid updating the effect state object if it's not changedChris Robinson2016-05-121-1/+3
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* Provide (mostly) lockless updates for effect slotsChris Robinson2016-05-121-5/+39
| | | | | | | | | | | | | | | | | 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 Robinson2016-05-112-6/+31
| | | | | | | | | | | 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 Robinson2016-05-101-2/+11
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* Hold the source map lock while handling itChris Robinson2016-05-101-2/+11
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* Add a comment about CoeffCount being 0Chris Robinson2016-05-101-1/+3
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* Find a valid source buffer before updating the voiceChris Robinson2016-05-092-3/+4
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* Store more "active" listener and context properties separatelyChris Robinson2016-05-091-0/+6
| | | | | This helps ensure async listener/context property changes affect all playing sources at the same time.
* Start AL_SOFT_buffer_samples2 as a replacement for AL_SOFT_buffer_samplesChris Robinson2016-04-252-11/+84
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* Improve radius behavior with scaling of ambisonic coefficientsChris Robinson2016-04-241-5/+6
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* Increase max output channels to 16Chris Robinson2016-04-191-1/+8
| | | | This also enables fully periphonic 3rd order HQ decoding.
* Avoid storing channel names for the dry bufferChris Robinson2016-04-161-2/+0
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* More directly map coefficients for ambisonic mixing buffersChris Robinson2016-04-152-7/+34
| | | | | | 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 Robinson2016-04-151-4/+5
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* Avoid mixing all coefficients together when only some are usedChris Robinson2016-04-152-1/+5
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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 Robinson2016-04-143-1/+7
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* Move the InitRenderer method to panning.cChris Robinson2016-04-141-3/+13
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* Split aluInitPanning into separate functions for HRTF or UHJChris Robinson2016-04-142-3/+7
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* Remove the old ringbuffer implementationChris Robinson2016-03-301-7/+0
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* Move the aligned malloc functions to the common libChris Robinson2016-03-291-5/+1
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* Include any first-order scaling in the FOAOut coefficientsChris Robinson2016-03-251-2/+0
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* Implement AL_EXT_STEREO_ANGLES supportChris Robinson2016-03-251-0/+5
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* Allow second-order HQ decodingChris Robinson2016-03-231-1/+6
| | | | | | | | Could really do with some optimizations to the mixing gain calculations. For ambisonic targets, the coefficients will only have 1 non-0 entry for each output, so the double loop in unnecessarily wasteful. Similarly, most uses won't need a full height encoding either, so a horizontal-only or mixed-order target could reduce the number of channels.
* Add a specific output for first-order sourcesChris Robinson2016-03-221-0/+9
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* Store the effect's output buffer in the effect stateChris Robinson2016-03-171-0/+3
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