diff --git a/Userland/Libraries/LibVideo/CMakeLists.txt b/Userland/Libraries/LibVideo/CMakeLists.txt
index b0ec1f6753..28ff242404 100644
--- a/Userland/Libraries/LibVideo/CMakeLists.txt
+++ b/Userland/Libraries/LibVideo/CMakeLists.txt
@@ -1,6 +1,8 @@
 set(SOURCES
     MatroskaDocument.h
     MatroskaReader.cpp
+    VP9/Enums.h
+    VP9/Symbols.h
 )
 
 serenity_lib(LibVideo video)
diff --git a/Userland/Libraries/LibVideo/VP9/Enums.h b/Userland/Libraries/LibVideo/VP9/Enums.h
new file mode 100644
index 0000000000..aaea93101f
--- /dev/null
+++ b/Userland/Libraries/LibVideo/VP9/Enums.h
@@ -0,0 +1,84 @@
+/*
+ * 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,
+};
+
+}
diff --git a/Userland/Libraries/LibVideo/VP9/Symbols.h b/Userland/Libraries/LibVideo/VP9/Symbols.h
new file mode 100644
index 0000000000..ab60b9cab9
--- /dev/null
+++ b/Userland/Libraries/LibVideo/VP9/Symbols.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2021, Hunter Salyer <thefalsehonesty@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+namespace Video::VP9 {
+
+#define REFS_PER_FRAME 3
+#define MV_FR_SIZE 4
+#define MVREF_NEIGHBOURS 8
+#define BLOCK_SIZE_GROUPS 4
+#define BLOCK_SIZES 13
+#define BLOCK_INVALID 14
+#define PARTITION_CONTEXTS 16
+#define MI_SIZE 8
+#define MIN_TILE_WIDTH_B64 4
+#define MAX_TILE_WIDTH_B64 64
+#define MAX_MV_REF_CANDIDATES 2
+#define NUM_REF_FRAMES 8
+#define MAX_REF_FRAMES 4
+#define IS_INTER_CONTEXTS 4
+#define COMP_MODE_CONTEXTS 5
+#define REF_CONTEXTS 5
+#define MAX_SEGMENTS 8
+#define SEG_LVL_ALT_Q 0
+#define SEG_LVL_ALT_L 1
+#define SEG_LVL_REF_FRAME 2
+#define SEG_LVL_SKIP 3
+#define SEG_LVL_MAX 4
+#define BLOCK_TYPES 2
+#define REF_TYPES 2
+#define COEF_BANDS 6
+#define PREV_COEF_CONTEXTS 6
+#define UNCONSTRAINED_NODES 3
+#define TX_SIZE_CONTEXTS 2
+#define SWITCHABLE_FILTERS 3
+#define INTERP_FILTER_CONTEXTS 4
+#define SKIP_CONTEXTS 3
+#define PARTITION_TYPES 4
+#define TX_SIZES 4
+#define TX_MODES 5
+#define DCT_DCT 0
+#define ADST_DCT 1
+#define DCT_ADST 2
+#define ADST_ADST 3
+#define MB_MODE_COUNT 14
+#define INTRA_MODES 10
+#define INTER_MODES 4
+#define INTER_MODE_CONTEXTS 7
+#define MV_JOINTS 4
+#define MV_CLASSES 11
+#define CLASS0_SIZE 2
+#define MV_OFFSET_BITS 10
+#define MAX_PROB 255
+#define MAX_MODE_LF_DELTAS 2
+#define COMPANDED_MVREF_THRESH 8
+#define MAX_LOOP_FILTER 63
+#define REF_SCALE_SHIFT 14
+#define SUBPEL_BITS 4
+#define SUBPEL_SHIFTS 16
+#define SUBPEL_MASH 15
+#define MV_BORDER 128
+#define INTERP_EXTEND 4
+#define BORDERINPIXELS 160
+#define MAX_UPDATE_FACTOR 128
+#define COUNT_SAT 20
+#define BOTH_ZERO 0
+#define ZERO_PLUS_PREDICTED 1
+#define BOTH_PREDICTED 2
+#define NEW_PLUS_NON_INTRA 3
+#define BOTH_NEW 4
+#define INTRA_PLUS_NON_INTRA 5
+#define BOTH_INTRA 6
+#define INVALID_CASE 9
+
+}