LibVideo/VP9: Define all VP9 symbols and enum constants

Userland/Libraries/LibVideo/VP9/Enums.h

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+/*
+ * Copyright (c) 2021, Hunter Salyer <thefalsehonesty@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+namespace Video::VP9 {
+
+enum FrameType {
+    KeyFrame,
+    NonKeyFrame
+};
+
+enum ColorSpace : u8 {
+    Unknown = 0,
+    Bt601 = 1,
+    Bt709 = 2,
+    Smpte170 = 3,
+    Smpte240 = 4,
+    Bt2020 = 5,
+    Reserved = 6,
+    RGB = 7
+};
+
+enum ColorRange {
+    StudioSwing,
+    FullSwing
+};
+
+enum InterpolationFilter {
+    EightTap = 0,
+    EightTapSmooth = 1,
+    EightTapSharp = 2,
+    Bilinear = 3,
+    Switchable = 4
+};
+
+enum ReferenceFrame {
+    IntraFrame = 0,
+    LastFrame = 1,
+    GoldenFrame = 2,
+    AltRefFrame = 3,
+};
+
+enum TXMode {
+    Only4x4 = 0,
+    Allow8x8 = 1,
+    Allow16x16 = 2,
+    Allow32x32 = 3,
+    TXModeSelect = 4,
+};
+
+enum TXSize {
+    TX4x4 = 0,
+    TX8x8 = 1,
+    TX16x16 = 2,
+    TX32x32 = 3,
+};
+
+enum ReferenceMode {
+    SingleReference = 0,
+    CompoundReference = 1,
+    ReferenceModeSelect = 2,
+};
+
+enum BlockSubsize : u8 {
+    Block_4x4 = 0,
+    Block_4x8 = 1,
+    Block_8x4 = 2,
+    Block_8x8 = 3,
+    Block_8x16 = 4,
+    Block_16x8 = 5,
+    Block_16x16 = 6,
+    Block_16x32 = 7,
+    Block_32x16 = 8,
+    Block_32x32 = 9,
+    Block_32x64 = 10,
+    Block_64x32 = 11,
+    Block_64x64 = 12,
+};
+
+}