On Tue, Aug 22, 2023 at 09:32:28PM +0800, Nuo Mi wrote: > The executor design pattern was inroduced by java
inTroduced > <https://docs.oracle.com/en/java/javase/20/docs/api/java.base/java/util/concurrent/Executor.html> > it also adapted by python > <https://docs.python.org/3/library/concurrent.futures.html> > Compared to handcrafted thread pool management, it greatly simplifies the > thread code. > --- > doc/APIchanges | 3 + > libavutil/Makefile | 2 + > libavutil/executor.c | 201 +++++++++++++++++++++++++++++++++++++++++++ > libavutil/executor.h | 67 +++++++++++++++ > libavutil/version.h | 2 +- > 5 files changed, 274 insertions(+), 1 deletion(-) > create mode 100644 libavutil/executor.c > create mode 100644 libavutil/executor.h > > diff --git a/doc/APIchanges b/doc/APIchanges > index ad1efe708d..06822f22da 100644 > --- a/doc/APIchanges > +++ b/doc/APIchanges > @@ -2,6 +2,9 @@ The last version increases of all libraries were on 2023-02-09 > > API changes, most recent first: > > +2023-08-22 - xxxxxxxxxx - lavu 58.18.100 - executor.h > + Add AVExecutor API > + > 2023-08-18 - xxxxxxxxxx - lavu 58.17.100 - channel_layout.h > All AV_CHANNEL_LAYOUT_* macros are now compatible with C++ 17 and older. > > diff --git a/libavutil/Makefile b/libavutil/Makefile > index 7828c94dc5..4711f8cde8 100644 > --- a/libavutil/Makefile > +++ b/libavutil/Makefile > @@ -31,6 +31,7 @@ HEADERS = adler32.h > \ > encryption_info.h \ > error.h \ > eval.h \ > + executor.h \ > fifo.h \ > file.h \ > frame.h \ > @@ -127,6 +128,7 @@ OBJS = adler32.o > \ > encryption_info.o \ > error.o \ > eval.o \ > + executor.o \ > fifo.o \ > file.o \ > file_open.o \ > diff --git a/libavutil/executor.c b/libavutil/executor.c > new file mode 100644 > index 0000000000..38adaef811 > --- /dev/null > +++ b/libavutil/executor.c > @@ -0,0 +1,201 @@ > +/* > + * Copyright (C) 2023 Nuo Mi > + * > + * This file is part of FFmpeg. > + * > + * FFmpeg is free software; you can redistribute it and/or > + * modify it under the terms of the GNU Lesser General Public > + * License as published by the Free Software Foundation; either > + * version 2.1 of the License, or (at your option) any later version. > + * > + * FFmpeg is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + * Lesser General Public License for more details. > + * > + * You should have received a copy of the GNU Lesser General Public > + * License along with FFmpeg; if not, write to the Free Software > + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 > USA > + */ > +#include "internal.h" > +#include "mem.h" > +#include "thread.h" > + > +#include "executor.h" > + > +#if !HAVE_THREADS > + > +#define executor_thread_t char > + > +#define executor_thread_create(t, a, s, ar) 0 > +#define executor_thread_join(t, r) do {} while(0) > + > +#else > + > +#define executor_thread_t pthread_t I think *_t is reserved by POSIX should be ok otherwise thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Everything should be made as simple as possible, but not simpler. -- Albert Einstein
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