swr_alloc

Allocate SwrContext.

If you use this function you will need to set the parameters (manually or with swr_alloc_set_opts()) before calling swr_init().

@see swr_alloc_set_opts(), swr_init(), swr_free() @return NULL on error, allocated context otherwise

extern (C) @nogc nothrow
swr_alloc
()

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