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lavu/tx: add unaligned flag to the API

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Lynne
2021-04-10 03:55:14 +02:00
parent 8c55c82583
commit aa6c757d50
1 changed files with 7 additions and 1 deletions
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8
libavutil/tx.h
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@@ -95,7 +95,7 @@ enum AVTXType {
* @param stride the input or output stride in bytes * @param stride the input or output stride in bytes
* *
* The out and in arrays must be aligned to the maximum required by the CPU * The out and in arrays must be aligned to the maximum required by the CPU
* architecture. * architecture unless the AV_TX_UNALIGNED flag was set in av_tx_init().
* The stride must follow the constraints the transform type has specified. * The stride must follow the constraints the transform type has specified.
*/ */
typedef void (*av_tx_fn)(AVTXContext *s, void *out, void *in, ptrdiff_t stride); typedef void (*av_tx_fn)(AVTXContext *s, void *out, void *in, ptrdiff_t stride);
@@ -110,6 +110,12 @@ enum AVTXFlags {
* transform types. * transform types.
*/ */
AV_TX_INPLACE = 1ULL << 0, AV_TX_INPLACE = 1ULL << 0,
/**
* Relaxes alignment requirement for the in and out arrays of av_tx_fn().
* May be slower with certain transform types.
*/
AV_TX_UNALIGNED = 1ULL << 1,
}; };
/** /**