On Sat, Dec 11, 2021 at 4:47 AM <lance.lmw...@gmail.com> wrote:
>
> On Sat, Dec 11, 2021 at 03:06:42AM +0000, Guo, Yejun wrote:
> >
> >
> > -----Original Message-----
> > From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of
> > lance.lmw...@gmail.com
> > Sent: 2021年12月9日 22:37
> > To: ffmpeg-devel@ffmpeg.org
> > Cc: Limin Wang <lance.lmw...@gmail.com>
> > Subject: [FFmpeg-devel] [PATCH v2] avfilter/dnn: fix incompatible integer
> > to pointer conversion warning
> >
> > From: Limin Wang <lance.lmw...@gmail.com>
> >
> > ---
> > libavfilter/dnn/dnn_backend_common.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/libavfilter/dnn/dnn_backend_common.c
> > b/libavfilter/dnn/dnn_backend_common.c
> > index 6a9c4cc..dd7bdf4 100644
> > --- a/libavfilter/dnn/dnn_backend_common.c
> > +++ b/libavfilter/dnn/dnn_backend_common.c
> > @@ -83,10 +83,10 @@ static void *async_thread_routine(void *args)
> > void *request = async_module->args;
> >
> > if (async_module->start_inference(request) != DNN_SUCCESS) {
> > - return DNN_ASYNC_FAIL;
> > + return (void*)DNN_ASYNC_FAIL;
> >
> > there is already (void*) in DNN_ASYNC_FAIL
>
> Sorry, it's my mistake. please ignore the patch.
> Can we check the thread_join status with void* and void* error code?
> if (status == DNN_ASYNC_FAIL) {
>
> For the compiler doesnt know what type of address the pointer is pointing at,
> it doesnt know how many bytes to read from the pointer address and compare.
>
Pointers are always the same size, the compiler doesn't read any data
from the pointer for comparison, it only compares the address itself.
- Hendrik
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