audio_renderer: Preliminary BehaviorInfo (#3736)

* audio_renderer: Preliminary BehaviorInfo

* clang format

* Fixed IsRevisionSupported

* fixed IsValidRevision

* Fixed logic error & spelling errors & crash

* Addressed issues

1 files changed, 100 insertions, 0 deletions

diff --git a/src/audio_core/behavior_info.cpp b/src/audio_core/behavior_info.cpp
new file mode 100644
index 000000000..94b7a3bf1
--- /dev/null
+++ b/src/audio_core/behavior_info.cpp
@@ -0,0 +1,100 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstring>
+#include "audio_core/behavior_info.h"
+#include "audio_core/common.h"
+#include "common/logging/log.h"
+
+namespace AudioCore {
+
+BehaviorInfo::BehaviorInfo() : process_revision(CURRENT_PROCESS_REVISION) {}
+BehaviorInfo::~BehaviorInfo() = default;
+
+bool BehaviorInfo::UpdateInput(const std::vector<u8>& buffer, std::size_t offset) {
+    if (!CanConsumeBuffer(buffer.size(), offset, sizeof(InParams))) {
+        LOG_ERROR(Audio, "Buffer is an invalid size!");
+        return false;
+    }
+    InParams params{};
+    std::memcpy(&params, buffer.data() + offset, sizeof(InParams));
+
+    if (!IsValidRevision(params.revision)) {
+        LOG_ERROR(Audio, "Invalid input revision, revision=0x{:08X}", params.revision);
+        return false;
+    }
+
+    if (user_revision != params.revision) {
+        LOG_ERROR(Audio,
+                  "User revision differs from input revision, expecting 0x{:08X} but got 0x{:08X}",
+                  user_revision, params.revision);
+        return false;
+    }
+
+    ClearError();
+    UpdateFlags(params.flags);
+
+    // TODO(ogniK): Check input params size when InfoUpdater is used
+
+    return true;
+}
+
+bool BehaviorInfo::UpdateOutput(std::vector<u8>& buffer, std::size_t offset) {
+    if (!CanConsumeBuffer(buffer.size(), offset, sizeof(OutParams))) {
+        LOG_ERROR(Audio, "Buffer is an invalid size!");
+        return false;
+    }
+
+    OutParams params{};
+    std::memcpy(params.errors.data(), errors.data(), sizeof(ErrorInfo) * errors.size());
+    params.error_count = static_cast<u32_le>(error_count);
+    std::memcpy(buffer.data() + offset, &params, sizeof(OutParams));
+    return true;
+}
+
+void BehaviorInfo::ClearError() {
+    error_count = 0;
+}
+
+void BehaviorInfo::UpdateFlags(u64_le dest_flags) {
+    flags = dest_flags;
+}
+
+void BehaviorInfo::SetUserRevision(u32_le revision) {
+    user_revision = revision;
+}
+
+bool BehaviorInfo::IsAdpcmLoopContextBugFixed() const {
+    return IsRevisionSupported(2, user_revision);
+}
+
+bool BehaviorInfo::IsSplitterSupported() const {
+    return IsRevisionSupported(2, user_revision);
+}
+
+bool BehaviorInfo::IsLongSizePreDelaySupported() const {
+    return IsRevisionSupported(3, user_revision);
+}
+
+bool BehaviorInfo::IsAudioRenererProcessingTimeLimit80PercentSupported() const {
+    return IsRevisionSupported(5, user_revision);
+}
+
+bool BehaviorInfo::IsAudioRenererProcessingTimeLimit75PercentSupported() const {
+    return IsRevisionSupported(4, user_revision);
+}
+
+bool BehaviorInfo::IsAudioRenererProcessingTimeLimit70PercentSupported() const {
+    return IsRevisionSupported(1, user_revision);
+}
+
+bool BehaviorInfo::IsElapsedFrameCountSupported() const {
+    return IsRevisionSupported(5, user_revision);
+}
+
+bool BehaviorInfo::IsMemoryPoolForceMappingEnabled() const {
+    return (flags & 1) != 0;
+}
+
+} // namespace AudioCore