On Tue, Aug 29, 2023 at 1:06 AM Michael Niedermayer <mich...@niedermayer.cc> wrote:
> 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 > fixed by v6. thank you > > > should be ok otherwise > > thx > > [...] > -- > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > Everything should be made as simple as possible, but not simpler. > -- Albert Einstein > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
