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authordec05eba <dec05eba@protonmail.com>2023-03-21 21:42:18 +0100
committerdec05eba <dec05eba@protonmail.com>2023-03-21 21:42:18 +0100
commitf242cab8a692b663226481266dcd3103ddc04218 (patch)
treec5917427cdfd5a20e27a4c4fd7133df218c87e03 /include
parentf069a29ed7e16e8e075616489ced6ef13d93e148 (diff)
Copy vaapi structures to vaapi.h instead of depending on vaapi at compile time
Diffstat (limited to 'include')
-rw-r--r--include/vaapi.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/include/vaapi.h b/include/vaapi.h
index 7ec73b2..56acb13 100644
--- a/include/vaapi.h
+++ b/include/vaapi.h
@@ -4,11 +4,21 @@
#include <stdint.h>
#include <stdbool.h>
+// To prevent hwcontext_vaapi.h from including va.h.. An ugly hack
+#define _VA_H_
+
+// These definitions are copied from va.h, which is licensed under MIT
+
typedef void* VADisplay;
typedef int VAStatus;
+
typedef unsigned int VAGenericID;
+typedef VAGenericID VAConfigID;
+typedef VAGenericID VAContextID;
typedef VAGenericID VASurfaceID;
+#define VA_STATUS_SUCCESS 0x00000000
+
typedef struct {
/** Pixel format fourcc of the whole surface (VA_FOURCC_*). */
uint32_t fourcc;
@@ -46,6 +56,101 @@ typedef struct {
} layers[4];
} VADRMPRIMESurfaceDescriptor;
+#define VA_INVALID_ID 0xffffffff
+#define VA_INVALID_SURFACE VA_INVALID_ID
+
+/** \brief Generic value types. */
+typedef enum {
+ VAGenericValueTypeInteger = 1, /**< 32-bit signed integer. */
+ VAGenericValueTypeFloat, /**< 32-bit floating-point value. */
+ VAGenericValueTypePointer, /**< Generic pointer type */
+ VAGenericValueTypeFunc /**< Pointer to function */
+} VAGenericValueType;
+
+/** \brief Generic function type. */
+typedef void (*VAGenericFunc)(void);
+
+/** \brief Generic value. */
+typedef struct _VAGenericValue {
+ /** \brief Value type. See #VAGenericValueType. */
+ VAGenericValueType type;
+ /** \brief Value holder. */
+ union {
+ /** \brief 32-bit signed integer. */
+ int32_t i;
+ /** \brief 32-bit float. */
+ float f;
+ /** \brief Generic pointer. */
+ void *p;
+ /** \brief Pointer to function. */
+ VAGenericFunc fn;
+ } value;
+} VAGenericValue;
+
+/** @name Surface attribute flags */
+/**@{*/
+/** \brief Surface attribute is not supported. */
+#define VA_SURFACE_ATTRIB_NOT_SUPPORTED 0x00000000
+/** \brief Surface attribute can be got through vaQuerySurfaceAttributes(). */
+#define VA_SURFACE_ATTRIB_GETTABLE 0x00000001
+/** \brief Surface attribute can be set through vaCreateSurfaces(). */
+#define VA_SURFACE_ATTRIB_SETTABLE 0x00000002
+/**@}*/
+
+/** \brief Surface attribute types. */
+typedef enum {
+ VASurfaceAttribNone = 0,
+ /**
+ * \brief Pixel format as a FOURCC (int, read/write).
+ *
+ * When vaQuerySurfaceAttributes() is called, the driver will return one
+ * PixelFormat attribute per supported pixel format.
+ *
+ * When provided as an input to vaCreateSurfaces(), the driver will
+ * allocate a surface with the provided pixel format.
+ */
+ VASurfaceAttribPixelFormat,
+ /** \brief Minimal width in pixels (int, read-only). */
+ VASurfaceAttribMinWidth,
+ /** \brief Maximal width in pixels (int, read-only). */
+ VASurfaceAttribMaxWidth,
+ /** \brief Minimal height in pixels (int, read-only). */
+ VASurfaceAttribMinHeight,
+ /** \brief Maximal height in pixels (int, read-only). */
+ VASurfaceAttribMaxHeight,
+ /** \brief Surface memory type expressed in bit fields (int, read/write). */
+ VASurfaceAttribMemoryType,
+ /** \brief External buffer descriptor (pointer, write).
+ *
+ * Refer to the documentation for the memory type being created to
+ * determine what descriptor structure to pass here. If not otherwise
+ * stated, the common VASurfaceAttribExternalBuffers should be used.
+ */
+ VASurfaceAttribExternalBufferDescriptor,
+ /** \brief Surface usage hint, gives the driver a hint of intended usage
+ * to optimize allocation (e.g. tiling) (int, read/write). */
+ VASurfaceAttribUsageHint,
+ /** \brief List of possible DRM format modifiers (pointer, write).
+ *
+ * The value must be a pointer to a VADRMFormatModifierList. This can only
+ * be used when allocating a new buffer, it's invalid to use this attribute
+ * when importing an existing buffer.
+ */
+ VASurfaceAttribDRMFormatModifiers,
+ /** \brief Number of surface attributes. */
+ VASurfaceAttribCount
+} VASurfaceAttribType;
+
+/** \brief Surface attribute. */
+typedef struct _VASurfaceAttrib {
+ /** \brief Type. */
+ VASurfaceAttribType type;
+ /** \brief Flags. See "Surface attribute flags". */
+ uint32_t flags;
+ /** \brief Value. See "Surface attribute types" for the expected types. */
+ VAGenericValue value;
+} VASurfaceAttrib;
+
#define VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME_2 0x40000000
#define VA_EXPORT_SURFACE_READ_WRITE 0x0003
#define VA_EXPORT_SURFACE_SEPARATE_LAYERS 0x0004