[FFmpeg-devel] Patch: Enable OpenCL with Win32 threads

[wm4]

On Wed, 16 Apr 2014 23:22:59 +1000
Matt Oliver <protogonoi at gmail.com> wrote:

> -int av_opencl_set_option(const char *key, const char *val)
> +inline void init_opencl_ctx()

Misses a (void)...

>  {
> -    int ret = 0;
> -    LOCK_OPENCL;
> +#if HAVE_THREADS
> +    if (!avpriv_atomic_cas( &opencl_ctx.opt_init_flag, 0, 1 )) {
> +        av_opt_set_defaults(&opencl_ctx);
> +        pthread_mutex_init(&opencl_ctx.atomic_opencl_lock, NULL);
> +    }

Could this just be integrated in the pthread_mutex_lock win32 wrapper
code to emulate PTHREAD_MUTEX_INITIALIZER?