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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /media/ffvpx/libavcodec/threadframe.h | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | media/ffvpx/libavcodec/threadframe.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/threadframe.h b/media/ffvpx/libavcodec/threadframe.h new file mode 100644 index 0000000000..d2f93c5cd0 --- /dev/null +++ b/media/ffvpx/libavcodec/threadframe.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2022 Andreas Rheinhardt <andreas.rheinhardt@outlook.com> + * + * 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 + */ + +#ifndef AVCODEC_THREADFRAME_H +#define AVCODEC_THREADFRAME_H + +#include "libavutil/frame.h" +#include "avcodec.h" + +typedef struct ThreadFrame { + AVFrame *f; + AVCodecContext *owner[2]; + // progress->data is an array of 2 ints holding progress for top/bottom + // fields + AVBufferRef *progress; +} ThreadFrame; + +/** + * Notify later decoding threads when part of their reference picture is ready. + * Call this when some part of the picture is finished decoding. + * Later calls with lower values of progress have no effect. + * + * @param f The picture being decoded. + * @param progress Value, in arbitrary units, of how much of the picture has decoded. + * @param field The field being decoded, for field-picture codecs. + * 0 for top field or frame pictures, 1 for bottom field. + */ +void ff_thread_report_progress(ThreadFrame *f, int progress, int field); + +/** + * Wait for earlier decoding threads to finish reference pictures. + * Call this before accessing some part of a picture, with a given + * value for progress, and it will return after the responsible decoding + * thread calls ff_thread_report_progress() with the same or + * higher value for progress. + * + * @param f The picture being referenced. + * @param progress Value, in arbitrary units, to wait for. + * @param field The field being referenced, for field-picture codecs. + * 0 for top field or frame pictures, 1 for bottom field. + */ +void ff_thread_await_progress(const ThreadFrame *f, int progress, int field); + +/** + * Wrapper around ff_get_buffer() for frame-multithreaded codecs. + * Call this function instead of ff_get_buffer() if you might need + * to wait for progress on this frame. + * Cannot be called after the codec has called ff_thread_finish_setup(). + * + * @param avctx The current context. + * @param f The frame to write into. + * @note: It is fine to call this with codecs that do not support + * frame threading. + */ +int ff_thread_get_ext_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags); + +/** + * Unref a ThreadFrame. + * + * This is basically a wrapper around av_frame_unref() and should + * be called instead of it. + * + * @param avctx The current context. + * @param f The picture being released. + */ +void ff_thread_release_ext_buffer(AVCodecContext *avctx, ThreadFrame *f); + +int ff_thread_ref_frame(ThreadFrame *dst, const ThreadFrame *src); + +int ff_thread_can_start_frame(AVCodecContext *avctx); + +#endif |