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path: root/OpenAL32/Include/alSource.h
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* Increase the default effect slot and send countChris Robinson2017-02-211-1/+2
| | | | | | | | | | The default number of auxiliary effect slots is now 64. This can still be raised by the config file without a hard maximum, but incurs processing cost for each effect slot generated by the app. The default number of source sends is now actually 2, as per the EFX docs. However, it can be raised up to 16 via ALC_MAX_AUXILIARY_SENDS attribute requests, rather than the previous 4.
* Dynamically allocate the ALsource Send[] arrayChris Robinson2017-02-211-1/+1
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* Make the voices' Send[] array dynamically sizedChris Robinson2017-02-211-1/+1
| | | | | The voices are still all allocated in one chunk to avoid memory fragmentation. But they're accessed as an array of pointers since the size isn't static.
* Reorganize ALvoice membersChris Robinson2017-02-151-7/+6
| | | | | This places the Send[] array at the end of the struct, making it easier to handle dynamically.
* Make ALsourceProps' Send array dynamically sizedChris Robinson2017-02-141-4/+4
| | | | | | ALsourceProps' Send[] array is placed at the end of the struct, and given an indeterminate size. Extra space is allocated at the end of each struct given the number of auxiliary sends set for the device.
* Fix build with non-C11 atomicsChris Robinson2017-02-131-1/+1
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* Make the source state atomicChris Robinson2017-02-131-1/+8
| | | | | Since it's modified by the mixer when playback is ended, a plain struct member isn't safe.
* Put BsincState in a generic unionChris Robinson2017-02-131-1/+1
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* Use ALsizei in more placesChris Robinson2017-01-181-4/+4
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* Only send source updates for sources that have updatedChris Robinson2016-11-231-0/+2
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* Clean up finding a source's voiceChris Robinson2016-11-221-1/+1
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* Avoid resupplying unneeded source updatesChris Robinson2016-08-231-34/+37
| | | | | The source's voice holds a copy of the last properties it received, so listener updates can make sources recalculate internal properties from that stored copy.
* Don't store the looping state in the voiceChris Robinson2016-07-311-4/+2
| | | | | Certain operations on the buffer queue depend on the loop state to behave properly, so it should not be deferred until the async voice update occurs.
* Move the input channel array out of the DirectParams and SendParamsChris Robinson2016-07-131-2/+4
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* Store the voice output buffers separate from the paramsChris Robinson2016-07-111-0/+10
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* Reorder some source fieldsChris Robinson2016-07-071-5/+5
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* Remove some unnecessary volatile keywordsChris Robinson2016-06-031-31/+31
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* Make a function staticChris Robinson2016-06-011-1/+0
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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 Robinson2016-05-171-1/+1
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* Don't store the source's update method with the voiceChris Robinson2016-05-161-3/+0
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* Provide asynchronous property updates for sourcesChris Robinson2016-05-141-23/+81
| | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Hold the source map lock while handling itChris Robinson2016-05-101-2/+11
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* Find a valid source buffer before updating the voiceChris Robinson2016-05-091-1/+1
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* Implement AL_EXT_STEREO_ANGLES supportChris Robinson2016-03-251-0/+5
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* Calculate channel gain stepping just before mixingChris Robinson2016-02-141-0/+3
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* Make the source's buffer queue a singly-linked listChris Robinson2016-01-311-1/+0
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* Implement a band-limited sinc resamplerChris Robinson2015-11-051-0/+2
| | | | | | | | This is essentially a 12-point sinc resampler, unless it's resampling to a rate higher than the output, at which point it will vary between 12 and 24 points and do anti-aliasing to avoid/reduce frequencies going over nyquist. Code provided by Christopher Fitzgerald.
* Use a constant value for the post-position paddingChris Robinson2015-10-151-1/+1
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* Store the source's previous samples with the voiceChris Robinson2015-10-151-0/+2
| | | | | | This helps avoid different results when looping is toggled within a couple samples of the loop point, or when a processed buffer is removed while the source is only a couple samples into the next buffer.
* Move the resampler stuff to mixer.c where it's usedChris Robinson2015-10-011-5/+0
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* Don't keep selecting the mixer to useChris Robinson2015-09-271-2/+0
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* Use aluVector in some more placesChris Robinson2014-12-161-3/+3
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* Support B-Format source rotation with AL_ORIENTATIONChris Robinson2014-10-311-0/+1
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* Rename the source's Orientation to DirectionChris Robinson2014-10-311-1/+1
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* Rename activesource to voiceChris Robinson2014-08-211-3/+3
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* Use a NULL source for inactive activesourcesChris Robinson2014-08-211-2/+5
| | | | Also only access the activesource's source field once per update.
* Make the source's buffer queue head and current queue item atomicChris Robinson2014-07-311-5/+5
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* Add macros for generic atomic functionalityChris Robinson2014-07-221-1/+1
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* Add a source radius property that determines the directionality of a soundChris Robinson2014-07-111-0/+2
| | | | | | | | | At 0 distance from the listener, the sound is omni-directional. As the source and listener become 'radius' units apart, the sound becomes more directional. With HRTF, an omni-directional sound is handled using 0-delay, pass-through filter coefficients, which is blended with the real delay and coefficients as needed to become more directional.
* Get the mixer and resampler functions when neededChris Robinson2014-06-131-4/+1
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* Combine the direct and send mixersChris Robinson2014-06-131-5/+2
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* Combine some dry and wet path typesChris Robinson2014-06-131-2/+2
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* Move the active source's offset out of the direct paramsChris Robinson2014-05-241-0/+2
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* Use different parameters for HRTF mixersChris Robinson2014-05-181-1/+5
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* Apply high-pass source filters as neededChris Robinson2014-05-171-0/+4
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* Store the filter reference frequency in the sourceChris Robinson2014-05-111-0/+2
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* Use a struct to store the source's direct gain/gainhf propertiesChris Robinson2014-05-111-3/+4
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* Mark the buffer queue pointers volatileChris Robinson2014-05-101-2/+2
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* Use a RWLock to help protect the source's buffer queueChris Robinson2014-05-101-0/+1
| | | | | In some instances this allows to to remove the device/mixer lock, or reduce how long it's held.
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