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* Improve locking for device attribute queriesChris Robinson2016-05-221-8/+28
| | | | | Avoids the backend device lock, instead using the list lock to prevent the device from changing while being queried, and adds some missing locks.
* Avoid using realloc in a number of placesChris Robinson2016-05-219-32/+53
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* Make the source position calues atomicChris Robinson2016-05-194-30/+31
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* Copy the source's Looping property into the voiceChris Robinson2016-05-181-0/+2
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* Avoid redundantly storing distance model settingsChris Robinson2016-05-176-33/+11
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* Update the right effect state when the device is resetChris Robinson2016-05-171-2/+2
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* Don't assume the "real" output buffer follows the dry bufferChris Robinson2016-05-171-15/+44
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* Improve reverb panning gains for "3D" output.Chris Robinson2016-05-171-8/+8
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* Ignore the listening angle for the wet path sound conesChris Robinson2016-05-161-32/+51
| | | | | | | Since the wet path is essentially the room response to a sound, the direction of the sound to the listener doesn't change the amount of energy the room receives. Instead, the surface area defined by the cones dictate the volume the room gets for the sound.
* Use floats for the listener transformsChris Robinson2016-05-164-92/+29
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* Don't store the source's update method with the voiceChris Robinson2016-05-164-48/+42
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* Avoid separate updates to sources that should apply togetherChris Robinson2016-05-155-15/+37
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* Allocate context storage before starting/resetting the deviceChris Robinson2016-05-151-19/+23
| | | | | In case allocation fails, we don't have to worry about the playing status of the backend.
* Avoid duplicate effect state objects in the freelistChris Robinson2016-05-151-12/+25
| | | | | | | If an unapplied update was superceded, it would be placed in the freelist with its effect state object intact. This would cause another update with the same effect state object to be placed into the freelist as well, or worse, cause it to get deleted while in use when the container had its effect state cleared.
* Avoid using a flag to specify if the effect state needs to be updatedChris Robinson2016-05-154-19/+20
| | | | | 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 Robinson2016-05-1410-356/+627
| | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Merge pull request #41 from ColdPie1/source_limitkcat2016-05-141-1/+1
|\ | | | | alsoft-config: Raise source limit to 4096
| * alsoft-config: Raise source limit to 4096Andrew Eikum2016-05-131-1/+1
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* | Store the remaining context properties with the listener propertiesChris Robinson2016-05-134-8/+20
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* | Get rid of an unnecessary copy of ALeffectPropsChris Robinson2016-05-1313-64/+61
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* Properly load the effect state pointer from the property containerChris Robinson2016-05-131-2/+6
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* Recognize AUX0...AUX15 for decoder speaker labelsChris Robinson2016-05-121-3/+11
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* Hold the effect and filter maps while handling effects and filtersChris Robinson2016-05-127-18/+89
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* Call the effect state update method after "returning" the container object.Chris Robinson2016-05-121-2/+2
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* Avoid updating the effect state object if it's not changedChris Robinson2016-05-124-34/+43
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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
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