From 4a6d9312cc1c9d62d66c4def71246d9faae29edb Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期三, 03 三月 2021 14:26:16 +0800
Subject: [PATCH] environment settings
---
module/VideoPlayer/lib/linux/ffmpeg/include/libavutil/hwcontext_dxva2.h | 75 +++++++++++++++++++++++++++++++++++++
1 files changed, 75 insertions(+), 0 deletions(-)
diff --git a/module/VideoPlayer/lib/linux/ffmpeg/include/libavutil/hwcontext_dxva2.h b/module/VideoPlayer/lib/linux/ffmpeg/include/libavutil/hwcontext_dxva2.h
new file mode 100644
index 0000000..e1b79bc
--- /dev/null
+++ b/module/VideoPlayer/lib/linux/ffmpeg/include/libavutil/hwcontext_dxva2.h
@@ -0,0 +1,75 @@
+/*
+ * 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 AVUTIL_HWCONTEXT_DXVA2_H
+#define AVUTIL_HWCONTEXT_DXVA2_H
+
+/**
+ * @file
+ * An API-specific header for AV_HWDEVICE_TYPE_DXVA2.
+ *
+ * Only fixed-size pools are supported.
+ *
+ * For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
+ * with the data pointer set to a pointer to IDirect3DSurface9.
+ */
+
+#include <d3d9.h>
+#include <dxva2api.h>
+
+/**
+ * This struct is allocated as AVHWDeviceContext.hwctx
+ */
+typedef struct AVDXVA2DeviceContext {
+ IDirect3DDeviceManager9 *devmgr;
+} AVDXVA2DeviceContext;
+
+/**
+ * This struct is allocated as AVHWFramesContext.hwctx
+ */
+typedef struct AVDXVA2FramesContext {
+ /**
+ * The surface type (e.g. DXVA2_VideoProcessorRenderTarget or
+ * DXVA2_VideoDecoderRenderTarget). Must be set by the caller.
+ */
+ DWORD surface_type;
+
+ /**
+ * The surface pool. When an external pool is not provided by the caller,
+ * this will be managed (allocated and filled on init, freed on uninit) by
+ * libavutil.
+ */
+ IDirect3DSurface9 **surfaces;
+ int nb_surfaces;
+
+ /**
+ * Certain drivers require the decoder to be destroyed before the surfaces.
+ * To allow internally managed pools to work properly in such cases, this
+ * field is provided.
+ *
+ * If it is non-NULL, libavutil will call IDirectXVideoDecoder_Release() on
+ * it just before the internal surface pool is freed.
+ *
+ * This is for convenience only. Some code uses other methods to manage the
+ * decoder reference.
+ */
+ IDirectXVideoDecoder *decoder_to_release;
+} AVDXVA2FramesContext;
+
+#endif /* AVUTIL_HWCONTEXT_DXVA2_H */
--
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