13 files changed, 81 insertions, 88 deletions

diff --git a/src/video_core/command_classes/codecs/codec.cpp b/src/video_core/command_classes/codecs/codec.cpp
index 2df410be8..1adf3cd13 100644
--- a/src/video_core/command_classes/codecs/codec.cpp
+++ b/src/video_core/command_classes/codecs/codec.cpp
@@ -4,6 +4,7 @@
 
 #include <cstring>
 #include <fstream>
+#include <vector>
 #include "common/assert.h"
 #include "video_core/command_classes/codecs/codec.h"
 #include "video_core/command_classes/codecs/h264.h"
diff --git a/src/video_core/command_classes/codecs/codec.h b/src/video_core/command_classes/codecs/codec.h
index 2e56daf29..cb67094f6 100644
--- a/src/video_core/command_classes/codecs/codec.h
+++ b/src/video_core/command_classes/codecs/codec.h
@@ -5,8 +5,6 @@
 #pragma once
 
 #include <memory>
-#include <vector>
-#include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "video_core/command_classes/nvdec_common.h"
 
diff --git a/src/video_core/command_classes/codecs/h264.cpp b/src/video_core/command_classes/codecs/h264.cpp
index 1a39f7b23..549a40f52 100644
--- a/src/video_core/command_classes/codecs/h264.cpp
+++ b/src/video_core/command_classes/codecs/h264.cpp
@@ -18,12 +18,27 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
+#include <array>
 #include "common/bit_util.h"
 #include "video_core/command_classes/codecs/h264.h"
 #include "video_core/gpu.h"
 #include "video_core/memory_manager.h"
 
 namespace Tegra::Decoder {
+namespace {
+// ZigZag LUTs from libavcodec.
+constexpr std::array<u8, 64> zig_zag_direct{
+    0,  1,  8,  16, 9,  2,  3,  10, 17, 24, 32, 25, 18, 11, 4,  5,  12, 19, 26, 33, 40, 48,
+    41, 34, 27, 20, 13, 6,  7,  14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23,
+    30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63,
+};
+
+constexpr std::array<u8, 16> zig_zag_scan{
+    0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4, 1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4,
+    1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4, 3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4,
+};
+} // Anonymous namespace
+
 H264::H264(GPU& gpu_) : gpu(gpu_) {}
 
 H264::~H264() = default;
@@ -48,7 +63,8 @@ std::vector<u8>& H264::ComposeFrameHeader(NvdecCommon::NvdecRegisters& state, bo
         writer.WriteU(0, 8);
         writer.WriteU(31, 8);
         writer.WriteUe(0);
-        const s32 chroma_format_idc = (context.h264_parameter_set.flags >> 12) & 0x3;
+        const auto chroma_format_idc =
+            static_cast<u32>((context.h264_parameter_set.flags >> 12) & 3);
         writer.WriteUe(chroma_format_idc);
         if (chroma_format_idc == 3) {
             writer.WriteBit(false);
@@ -59,8 +75,8 @@ std::vector<u8>& H264::ComposeFrameHeader(NvdecCommon::NvdecRegisters& state, bo
         writer.WriteBit(false); // QpprimeYZeroTransformBypassFlag
         writer.WriteBit(false); // Scaling matrix present flag
 
-        const s32 order_cnt_type = static_cast<s32>((context.h264_parameter_set.flags >> 14) & 3);
-        writer.WriteUe(static_cast<s32>((context.h264_parameter_set.flags >> 8) & 0xf));
+        const auto order_cnt_type = static_cast<u32>((context.h264_parameter_set.flags >> 14) & 3);
+        writer.WriteUe(static_cast<u32>((context.h264_parameter_set.flags >> 8) & 0xf));
         writer.WriteUe(order_cnt_type);
         if (order_cnt_type == 0) {
             writer.WriteUe(context.h264_parameter_set.log2_max_pic_order_cnt);
@@ -100,7 +116,7 @@ std::vector<u8>& H264::ComposeFrameHeader(NvdecCommon::NvdecRegisters& state, bo
         writer.WriteUe(0);
         writer.WriteUe(0);
 
-        writer.WriteBit(context.h264_parameter_set.entropy_coding_mode_flag);
+        writer.WriteBit(context.h264_parameter_set.entropy_coding_mode_flag != 0);
         writer.WriteBit(false);
         writer.WriteUe(0);
         writer.WriteUe(context.h264_parameter_set.num_refidx_l0_default_active);
@@ -172,8 +188,8 @@ void H264BitWriter::WriteSe(s32 value) {
     WriteExpGolombCodedInt(value);
 }
 
-void H264BitWriter::WriteUe(s32 value) {
-    WriteExpGolombCodedUInt((u32)value);
+void H264BitWriter::WriteUe(u32 value) {
+    WriteExpGolombCodedUInt(value);
 }
 
 void H264BitWriter::End() {
diff --git a/src/video_core/command_classes/codecs/h264.h b/src/video_core/command_classes/codecs/h264.h
index 21752dd90..f2292fd2f 100644
--- a/src/video_core/command_classes/codecs/h264.h
+++ b/src/video_core/command_classes/codecs/h264.h
@@ -38,7 +38,7 @@ public:
     /// WriteSe and WriteUe write in the Exp-Golomb-coded syntax
     void WriteU(s32 value, s32 value_sz);
     void WriteSe(s32 value);
-    void WriteUe(s32 value);
+    void WriteUe(u32 value);
 
     /// Finalize the bitstream
     void End();
@@ -55,18 +55,6 @@ public:
     const std::vector<u8>& GetByteArray() const;
 
 private:
-    // ZigZag LUTs from libavcodec.
-    static constexpr std::array<u8, 64> zig_zag_direct{
-        0,  1,  8,  16, 9,  2,  3,  10, 17, 24, 32, 25, 18, 11, 4,  5,  12, 19, 26, 33, 40, 48,
-        41, 34, 27, 20, 13, 6,  7,  14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23,
-        30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63,
-    };
-
-    static constexpr std::array<u8, 16> zig_zag_scan{
-        0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4, 1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4,
-        1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4, 3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4,
-    };
-
     void WriteBits(s32 value, s32 bit_count);
     void WriteExpGolombCodedInt(s32 value);
     void WriteExpGolombCodedUInt(u32 value);
diff --git a/src/video_core/command_classes/codecs/vp9.cpp b/src/video_core/command_classes/codecs/vp9.cpp
index d205a8f5d..b3e98aa9f 100644
--- a/src/video_core/command_classes/codecs/vp9.cpp
+++ b/src/video_core/command_classes/codecs/vp9.cpp
@@ -9,7 +9,7 @@
 #include "video_core/memory_manager.h"
 
 namespace Tegra::Decoder {
-
+namespace {
 // Default compressed header probabilities once frame context resets
 constexpr Vp9EntropyProbs default_probs{
     .y_mode_prob{
@@ -170,6 +170,35 @@ constexpr Vp9EntropyProbs default_probs{
     .high_precision{128, 128},
 };
 
+constexpr std::array<s32, 256> norm_lut{
+    0, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+};
+
+constexpr std::array<s32, 254> map_lut{
+    20,  21,  22,  23,  24,  25,  0,   26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,
+    1,   38,  39,  40,  41,  42,  43,  44,  45,  46,  47,  48,  49,  2,   50,  51,  52,  53,  54,
+    55,  56,  57,  58,  59,  60,  61,  3,   62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,
+    73,  4,   74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  5,   86,  87,  88,  89,
+    90,  91,  92,  93,  94,  95,  96,  97,  6,   98,  99,  100, 101, 102, 103, 104, 105, 106, 107,
+    108, 109, 7,   110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 8,   122, 123, 124,
+    125, 126, 127, 128, 129, 130, 131, 132, 133, 9,   134, 135, 136, 137, 138, 139, 140, 141, 142,
+    143, 144, 145, 10,  146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 11,  158, 159,
+    160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 12,  170, 171, 172, 173, 174, 175, 176, 177,
+    178, 179, 180, 181, 13,  182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 14,  194,
+    195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 15,  206, 207, 208, 209, 210, 211, 212,
+    213, 214, 215, 216, 217, 16,  218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 17,
+    230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 18,  242, 243, 244, 245, 246, 247,
+    248, 249, 250, 251, 252, 253, 19,
+};
+} // Anonymous namespace
+
 VP9::VP9(GPU& gpu) : gpu(gpu) {}
 
 VP9::~VP9() = default;
@@ -379,14 +408,14 @@ Vp9FrameContainer VP9::GetCurrentFrame(const NvdecCommon::NvdecRegisters& state)
     Vp9FrameContainer frame{};
     {
         gpu.SyncGuestHost();
-        frame.info = std::move(GetVp9PictureInfo(state));
+        frame.info = GetVp9PictureInfo(state);
 
         frame.bit_stream.resize(frame.info.bitstream_size);
         gpu.MemoryManager().ReadBlock(state.frame_bitstream_offset, frame.bit_stream.data(),
                                       frame.info.bitstream_size);
     }
     // Buffer two frames, saving the last show frame info
-    if (next_next_frame.bit_stream.size() != 0) {
+    if (!next_next_frame.bit_stream.empty()) {
         Vp9FrameContainer temp{
             .info = frame.info,
             .bit_stream = frame.bit_stream,
@@ -396,15 +425,15 @@ Vp9FrameContainer VP9::GetCurrentFrame(const NvdecCommon::NvdecRegisters& state)
         frame.bit_stream = next_next_frame.bit_stream;
         next_next_frame = std::move(temp);
 
-        if (next_frame.bit_stream.size() != 0) {
-            Vp9FrameContainer temp{
+        if (!next_frame.bit_stream.empty()) {
+            Vp9FrameContainer temp2{
                 .info = frame.info,
                 .bit_stream = frame.bit_stream,
             };
             next_frame.info.show_frame = frame.info.last_frame_shown;
             frame.info = next_frame.info;
             frame.bit_stream = next_frame.bit_stream;
-            next_frame = std::move(temp);
+            next_frame = std::move(temp2);
         } else {
             next_frame.info = frame.info;
             next_frame.bit_stream = frame.bit_stream;
@@ -605,12 +634,6 @@ std::vector<u8> VP9::ComposeCompressedHeader() {
 
     writer.End();
     return writer.GetBuffer();
-
-    const auto writer_bytearray = writer.GetBuffer();
-
-    std::vector<u8> compressed_header(writer_bytearray.size());
-    std::memcpy(compressed_header.data(), writer_bytearray.data(), writer_bytearray.size());
-    return compressed_header;
 }
 
 VpxBitStreamWriter VP9::ComposeUncompressedHeader() {
@@ -648,7 +671,6 @@ VpxBitStreamWriter VP9::ComposeUncompressedHeader() {
         current_frame_info.intra_only = true;
 
     } else {
-        std::array<s32, 3> ref_frame_index;
 
         if (!current_frame_info.show_frame) {
             uncomp_writer.WriteBit(current_frame_info.intra_only);
@@ -663,9 +685,9 @@ VpxBitStreamWriter VP9::ComposeUncompressedHeader() {
         }
 
         // Last, Golden, Altref frames
-        ref_frame_index = std::array<s32, 3>{0, 1, 2};
+        std::array<s32, 3> ref_frame_index{0, 1, 2};
 
-        // set when next frame is hidden
+        // Set when next frame is hidden
         // altref and golden references are swapped
         if (swap_next_golden) {
             ref_frame_index = std::array<s32, 3>{0, 2, 1};
@@ -754,17 +776,19 @@ VpxBitStreamWriter VP9::ComposeUncompressedHeader() {
         for (std::size_t index = 0; index < current_frame_info.ref_deltas.size(); index++) {
             const s8 old_deltas = loop_filter_ref_deltas[index];
             const s8 new_deltas = current_frame_info.ref_deltas[index];
+            const bool differing_delta = old_deltas != new_deltas;
 
-            loop_filter_delta_update |=
-                (update_loop_filter_ref_deltas[index] = old_deltas != new_deltas);
+            update_loop_filter_ref_deltas[index] = differing_delta;
+            loop_filter_delta_update |= differing_delta;
         }
 
         for (std::size_t index = 0; index < current_frame_info.mode_deltas.size(); index++) {
             const s8 old_deltas = loop_filter_mode_deltas[index];
             const s8 new_deltas = current_frame_info.mode_deltas[index];
+            const bool differing_delta = old_deltas != new_deltas;
 
-            loop_filter_delta_update |=
-                (update_loop_filter_mode_deltas[index] = old_deltas != new_deltas);
+            update_loop_filter_mode_deltas[index] = differing_delta;
+            loop_filter_delta_update |= differing_delta;
         }
 
         uncomp_writer.WriteBit(loop_filter_delta_update);
@@ -829,7 +853,7 @@ std::vector<u8>& VP9::ComposeFrameHeader(NvdecCommon::NvdecRegisters& state) {
     {
         Vp9FrameContainer curr_frame = GetCurrentFrame(state);
         current_frame_info = curr_frame.info;
-        bitstream = curr_frame.bit_stream;
+        bitstream = std::move(curr_frame.bit_stream);
     }
 
     // The uncompressed header routine sets PrevProb parameters needed for the compressed header
diff --git a/src/video_core/command_classes/codecs/vp9.h b/src/video_core/command_classes/codecs/vp9.h
index 748e11bae..dc52ddbde 100644
--- a/src/video_core/command_classes/codecs/vp9.h
+++ b/src/video_core/command_classes/codecs/vp9.h
@@ -4,9 +4,9 @@
 
 #pragma once
 
-#include <unordered_map>
+#include <array>
 #include <vector>
-#include "common/common_funcs.h"
+
 #include "common/common_types.h"
 #include "common/stream.h"
 #include "video_core/command_classes/codecs/vp9_types.h"
@@ -52,17 +52,6 @@ private:
     u32 range{0xff};
     s32 count{-24};
     s32 half_probability{128};
-    static constexpr std::array<s32, 256> norm_lut{
-        0, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-        3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-        2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    };
 };
 
 class VpxBitStreamWriter {
@@ -193,23 +182,6 @@ private:
 
     s32 diff_update_probability = 252;
     s32 frame_sync_code = 0x498342;
-    static constexpr std::array<s32, 254> map_lut = {
-        20,  21,  22,  23,  24,  25,  0,   26,  27,  28,  29,  30,  31,  32,  33,  34,  35,
-        36,  37,  1,   38,  39,  40,  41,  42,  43,  44,  45,  46,  47,  48,  49,  2,   50,
-        51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  3,   62,  63,  64,  65,  66,
-        67,  68,  69,  70,  71,  72,  73,  4,   74,  75,  76,  77,  78,  79,  80,  81,  82,
-        83,  84,  85,  5,   86,  87,  88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  6,
-        98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 7,   110, 111, 112, 113,
-        114, 115, 116, 117, 118, 119, 120, 121, 8,   122, 123, 124, 125, 126, 127, 128, 129,
-        130, 131, 132, 133, 9,   134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145,
-        10,  146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 11,  158, 159, 160,
-        161, 162, 163, 164, 165, 166, 167, 168, 169, 12,  170, 171, 172, 173, 174, 175, 176,
-        177, 178, 179, 180, 181, 13,  182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192,
-        193, 14,  194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 15,  206, 207,
-        208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 16,  218, 219, 220, 221, 222, 223,
-        224, 225, 226, 227, 228, 229, 17,  230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
-        240, 241, 18,  242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 19,
-    };
 };
 
 } // namespace Decoder
diff --git a/src/video_core/command_classes/codecs/vp9_types.h b/src/video_core/command_classes/codecs/vp9_types.h
index 8688fdac0..a50acf6e8 100644
--- a/src/video_core/command_classes/codecs/vp9_types.h
+++ b/src/video_core/command_classes/codecs/vp9_types.h
@@ -4,13 +4,11 @@
 
 #pragma once
 
-#include <algorithm>
-#include <list>
+#include <array>
+#include <cstring>
 #include <vector>
-#include "common/cityhash.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
-#include "video_core/command_classes/nvdec_common.h"
 
 namespace Tegra {
 class GPU;
diff --git a/src/video_core/command_classes/host1x.cpp b/src/video_core/command_classes/host1x.cpp
index a5234ee47..c4dd4881a 100644
--- a/src/video_core/command_classes/host1x.cpp
+++ b/src/video_core/command_classes/host1x.cpp
@@ -15,7 +15,7 @@ void Tegra::Host1x::StateWrite(u32 offset, u32 arguments) {
     std::memcpy(state_offset, &arguments, sizeof(u32));
 }
 
-void Tegra::Host1x::ProcessMethod(Host1x::Method method, const std::vector<u32>& arguments) {
+void Tegra::Host1x::ProcessMethod(Method method, const std::vector<u32>& arguments) {
     StateWrite(static_cast<u32>(method), arguments[0]);
     switch (method) {
     case Method::WaitSyncpt:
diff --git a/src/video_core/command_classes/host1x.h b/src/video_core/command_classes/host1x.h
index 501a5ed2e..013eaa0c1 100644
--- a/src/video_core/command_classes/host1x.h
+++ b/src/video_core/command_classes/host1x.h
@@ -61,7 +61,7 @@ public:
     ~Host1x();
 
     /// Writes the method into the state, Invoke Execute() if encountered
-    void ProcessMethod(Host1x::Method method, const std::vector<u32>& arguments);
+    void ProcessMethod(Method method, const std::vector<u32>& arguments);
 
 private:
     /// For Host1x, execute is waiting on a syncpoint previously written into the state
diff --git a/src/video_core/command_classes/nvdec.cpp b/src/video_core/command_classes/nvdec.cpp
index ede9466eb..8ca7a7b06 100644
--- a/src/video_core/command_classes/nvdec.cpp
+++ b/src/video_core/command_classes/nvdec.cpp
@@ -2,13 +2,9 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <bitset>
 #include "common/assert.h"
-#include "common/bit_util.h"
-#include "core/memory.h"
 #include "video_core/command_classes/nvdec.h"
 #include "video_core/gpu.h"
-#include "video_core/memory_manager.h"
 
 namespace Tegra {
 
@@ -16,7 +12,7 @@ Nvdec::Nvdec(GPU& gpu_) : gpu(gpu_), codec(std::make_unique<Codec>(gpu)) {}
 
 Nvdec::~Nvdec() = default;
 
-void Nvdec::ProcessMethod(Nvdec::Method method, const std::vector<u32>& arguments) {
+void Nvdec::ProcessMethod(Method method, const std::vector<u32>& arguments) {
     if (method == Method::SetVideoCodec) {
         codec->StateWrite(static_cast<u32>(method), arguments[0]);
     } else {
diff --git a/src/video_core/command_classes/nvdec.h b/src/video_core/command_classes/nvdec.h
index c1a9d843e..af14f9857 100644
--- a/src/video_core/command_classes/nvdec.h
+++ b/src/video_core/command_classes/nvdec.h
@@ -4,8 +4,8 @@
 
 #pragma once
 
+#include <memory>
 #include <vector>
-#include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "video_core/command_classes/codecs/codec.h"
 
@@ -23,7 +23,7 @@ public:
     ~Nvdec();
 
     /// Writes the method into the state, Invoke Execute() if encountered
-    void ProcessMethod(Nvdec::Method method, const std::vector<u32>& arguments);
+    void ProcessMethod(Method method, const std::vector<u32>& arguments);
 
     /// Return most recently decoded frame
     AVFrame* GetFrame();
@@ -34,6 +34,6 @@ private:
     void Execute();
 
     GPU& gpu;
-    std::unique_ptr<Tegra::Codec> codec;
+    std::unique_ptr<Codec> codec;
 };
 } // namespace Tegra
diff --git a/src/video_core/command_classes/vic.cpp b/src/video_core/command_classes/vic.cpp
index 66e15a1a8..5b52da277 100644
--- a/src/video_core/command_classes/vic.cpp
+++ b/src/video_core/command_classes/vic.cpp
@@ -26,7 +26,7 @@ void Vic::VicStateWrite(u32 offset, u32 arguments) {
     std::memcpy(state_offset, &arguments, sizeof(u32));
 }
 
-void Vic::ProcessMethod(Vic::Method method, const std::vector<u32>& arguments) {
+void Vic::ProcessMethod(Method method, const std::vector<u32>& arguments) {
     LOG_DEBUG(HW_GPU, "Vic method 0x{:X}", static_cast<u32>(method));
     VicStateWrite(static_cast<u32>(method), arguments[0]);
     const u64 arg = static_cast<u64>(arguments[0]) << 8;
diff --git a/src/video_core/command_classes/vic.h b/src/video_core/command_classes/vic.h
index dd0a2aed8..8c4e284a1 100644
--- a/src/video_core/command_classes/vic.h
+++ b/src/video_core/command_classes/vic.h
@@ -63,11 +63,11 @@ public:
         SetOutputSurfaceChromaVOffset = 0x1ca
     };
 
-    explicit Vic(GPU& gpu, std::shared_ptr<Tegra::Nvdec> nvdec_processor);
+    explicit Vic(GPU& gpu, std::shared_ptr<Nvdec> nvdec_processor);
     ~Vic();
 
     /// Write to the device state.
-    void ProcessMethod(Vic::Method method, const std::vector<u32>& arguments);
+    void ProcessMethod(Method method, const std::vector<u32>& arguments);
 
 private:
     void Execute();