From bedd6906eabdd513042d6a178d4dc56a3a41d1d3 Mon Sep 17 00:00:00 2001
From: Fox Caminiti <fox@foxcam.net>
Date: Fri, 16 Dec 2022 20:16:43 -0500
Subject: v3, file/build organization

---
 dependencies/include/libavcodec/dxva2.h | 93 +++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 dependencies/include/libavcodec/dxva2.h

(limited to 'dependencies/include/libavcodec/dxva2.h')

diff --git a/dependencies/include/libavcodec/dxva2.h b/dependencies/include/libavcodec/dxva2.h
new file mode 100644
index 0000000..22c9399
--- /dev/null
+++ b/dependencies/include/libavcodec/dxva2.h
@@ -0,0 +1,93 @@
+/*
+ * DXVA2 HW acceleration
+ *
+ * copyright (c) 2009 Laurent Aimar
+ *
+ * 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_DXVA2_H
+#define AVCODEC_DXVA2_H
+
+/**
+ * @file
+ * @ingroup lavc_codec_hwaccel_dxva2
+ * Public libavcodec DXVA2 header.
+ */
+
+#if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0602
+#undef _WIN32_WINNT
+#define _WIN32_WINNT 0x0602
+#endif
+
+#include <stdint.h>
+#include <d3d9.h>
+#include <dxva2api.h>
+
+/**
+ * @defgroup lavc_codec_hwaccel_dxva2 DXVA2
+ * @ingroup lavc_codec_hwaccel
+ *
+ * @{
+ */
+
+#define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for DXVA2 and old UVD/UVD+ ATI video cards
+#define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO    2 ///< Work around for DXVA2 and old Intel GPUs with ClearVideo interface
+
+/**
+ * This structure is used to provides the necessary configurations and data
+ * to the DXVA2 FFmpeg HWAccel implementation.
+ *
+ * The application must make it available as AVCodecContext.hwaccel_context.
+ */
+struct dxva_context {
+    /**
+     * DXVA2 decoder object
+     */
+    IDirectXVideoDecoder *decoder;
+
+    /**
+     * DXVA2 configuration used to create the decoder
+     */
+    const DXVA2_ConfigPictureDecode *cfg;
+
+    /**
+     * The number of surface in the surface array
+     */
+    unsigned surface_count;
+
+    /**
+     * The array of Direct3D surfaces used to create the decoder
+     */
+    LPDIRECT3DSURFACE9 *surface;
+
+    /**
+     * A bit field configuring the workarounds needed for using the decoder
+     */
+    uint64_t workaround;
+
+    /**
+     * Private to the FFmpeg AVHWAccel implementation
+     */
+    unsigned report_id;
+};
+
+/**
+ * @}
+ */
+
+#endif /* AVCODEC_DXVA2_H */
-- 
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