* idctmmx.c : MMX IDCT module
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* Copyright (C) 1999, 2000 VideoLAN
* idctmmx.c : MMX IDCT module
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* Copyright (C) 1999, 2000 VideoLAN
* be unloaded later to save memory, and we want to be able to access this
* data even after the module has been unloaded.
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* be unloaded later to save memory, and we want to be able to access this
* data even after the module has been unloaded.
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* be set to 0 and calls to NeedModule() be made to increment it. To unload
* the module, one has to wait until i_usage == 0 and call DeactivateModule().
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* be set to 0 and calls to NeedModule() be made to increment it. To unload
* the module, one has to wait until i_usage == 0 and call DeactivateModule().
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* returns, i_usage can be set to -1 and the module unloaded. Be careful to
* lock usage_lock during the whole process.
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* returns, i_usage can be set to -1 and the module unloaded. Be careful to
* lock usage_lock during the whole process.
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