Add WavPack support

2 files changed, 47 insertions, 0 deletions

diff --git a/src/codecs/include/types.hpp b/src/codecs/include/types.hpp
index 2bc63b10..493a177a 100644
--- a/src/codecs/include/types.hpp
+++ b/src/codecs/include/types.hpp
@@ -17,6 +17,7 @@ enum class StreamType {
   kOpus,
   kWav,
   kNative,
+  kWavPack,
 };
 
 auto StreamTypeToString(StreamType t) -> std::string;
diff --git a/src/codecs/include/wavpack.hpp b/src/codecs/include/wavpack.hpp
new file mode 100644
index 00000000..4780b6b6
--- /dev/null
+++ b/src/codecs/include/wavpack.hpp
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2025 ayumi <ayumi@noreply.codeberg.org>
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+#include <optional>
+#include <string>
+#include <utility>
+
+#include "wavpack.h"
+#include "sample.hpp"
+
+#include "codec.hpp"
+
+namespace codecs {
+
+class WavPackDecoder : public ICodec {
+ public:
+  WavPackDecoder();
+  ~WavPackDecoder();
+
+  auto OpenStream(std::shared_ptr<IStream> input, uint32_t offset)
+      -> cpp::result<OutputFormat, Error> override;
+
+  auto DecodeTo(std::span<sample::Sample> destination)
+      -> cpp::result<OutputInfo, Error> override;
+
+  WavPackDecoder(const WavPackDecoder&) = delete;
+  WavPackDecoder& operator=(const WavPackDecoder&) = delete;
+
+ private:
+  std::shared_ptr<IStream> input_;
+  WavpackContext wavpack_;
+  int32_t *buf_;
+  uint8_t bitdepth_;
+  uint8_t channels_;
+  size_t size_;
+};
+
+}  // namespace codecs