Add ffmpeg externals

Externals/ffmpeg/include/libavcodec/vaapi.h

@@ -0,0 +1,189 @@
+/*
+ * Video Acceleration API (shared data between FFmpeg and the video player)
+ * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1
+ *
+ * Copyright (C) 2008-2009 Splitted-Desktop Systems
+ *
+ * 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_VAAPI_H
+#define AVCODEC_VAAPI_H
+
+/**
+ * @file
+ * @ingroup lavc_codec_hwaccel_vaapi
+ * Public libavcodec VA API header.
+ */
+
+#include <stdint.h>
+#include "libavutil/attributes.h"
+#include "version.h"
+
+/**
+ * @defgroup lavc_codec_hwaccel_vaapi VA API Decoding
+ * @ingroup lavc_codec_hwaccel
+ * @{
+ */
+
+/**
+ * This structure is used to share data between the FFmpeg library and
+ * the client video application.
+ * This shall be zero-allocated and available as
+ * AVCodecContext.hwaccel_context. All user members can be set once
+ * during initialization or through each AVCodecContext.get_buffer()
+ * function call. In any case, they must be valid prior to calling
+ * decoding functions.
+ */
+struct vaapi_context {
+    /**
+     * Window system dependent data
+     *
+     * - encoding: unused
+     * - decoding: Set by user
+     */
+    void *display;
+
+    /**
+     * Configuration ID
+     *
+     * - encoding: unused
+     * - decoding: Set by user
+     */
+    uint32_t config_id;
+
+    /**
+     * Context ID (video decode pipeline)
+     *
+     * - encoding: unused
+     * - decoding: Set by user
+     */
+    uint32_t context_id;
+
+#if FF_API_VAAPI_CONTEXT
+    /**
+     * VAPictureParameterBuffer ID
+     *
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    uint32_t pic_param_buf_id;
+
+    /**
+     * VAIQMatrixBuffer ID
+     *
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    uint32_t iq_matrix_buf_id;
+
+    /**
+     * VABitPlaneBuffer ID (for VC-1 decoding)
+     *
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    uint32_t bitplane_buf_id;
+
+    /**
+     * Slice parameter/data buffer IDs
+     *
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    uint32_t *slice_buf_ids;
+
+    /**
+     * Number of effective slice buffer IDs to send to the HW
+     *
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    unsigned int n_slice_buf_ids;
+
+    /**
+     * Size of pre-allocated slice_buf_ids
+     *
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    unsigned int slice_buf_ids_alloc;
+
+    /**
+     * Pointer to VASliceParameterBuffers
+     *
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    void *slice_params;
+
+    /**
+     * Size of a VASliceParameterBuffer element
+     *
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    unsigned int slice_param_size;
+
+    /**
+     * Size of pre-allocated slice_params
+     *
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    unsigned int slice_params_alloc;
+
+    /**
+     * Number of slices currently filled in
+     *
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    unsigned int slice_count;
+
+    /**
+     * Pointer to slice data buffer base
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    const uint8_t *slice_data;
+
+    /**
+     * Current size of slice data
+     *
+     * - encoding: unused
+     * - decoding: Set by libavcodec
+     */
+    attribute_deprecated
+    uint32_t slice_data_size;
+#endif
+};
+
+/* @} */
+
+#endif /* AVCODEC_VAAPI_H */