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/*
* Copyright 2023 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkAvifDecoder_DEFINED
#define SkAvifDecoder_DEFINED
#include "include/codec/SkCodec.h"
#include "include/core/SkRefCnt.h"
#include "include/private/base/SkAPI.h"
class SkData;
class SkStream;
#include <memory>
namespace SkAvifDecoder {
namespace LibAvif {
/** Returns true if this data claims to be an AVIF image. */
SK_API bool IsAvif(const void*, size_t);
/**
* Attempts to decode the given bytes as an AVIF.
*
* If the bytes are not an AVIF, returns nullptr.
*
* DecodeContext is ignored
*/
SK_API std::unique_ptr<SkCodec> Decode(std::unique_ptr<SkStream>,
SkCodec::Result*,
SkCodecs::DecodeContext = nullptr);
SK_API std::unique_ptr<SkCodec> Decode(sk_sp<SkData>,
SkCodec::Result*,
SkCodecs::DecodeContext = nullptr);
inline constexpr SkCodecs::Decoder Decoder() {
return { "avif", IsAvif, Decode };
}
} // namespace LibAvif
// This function is in the root SkAvifDecoder namespace. It simply routes
// everything through the LibAvif namespace and exists for backwards
// compatibility.
inline constexpr SkCodecs::Decoder Decoder() {
return { "avif", LibAvif::IsAvif, LibAvif::Decode };
}
namespace CrabbyAvif {
/** Returns true if this data claims to be an AVIF image. */
SK_API bool IsAvif(const void*, size_t);
/**
* Attempts to decode the given bytes as an AVIF.
*
* If the bytes are not an AVIF, returns nullptr.
*
* DecodeContext is ignored
*/
SK_API std::unique_ptr<SkCodec> Decode(std::unique_ptr<SkStream>,
SkCodec::Result*,
SkCodecs::DecodeContext = nullptr);
SK_API std::unique_ptr<SkCodec> Decode(sk_sp<SkData>,
SkCodec::Result*,
SkCodecs::DecodeContext = nullptr);
inline constexpr SkCodecs::Decoder Decoder() {
return { "avif", IsAvif, Decode };
}
} // namespace CrabbyAvif
} // namespace SkAvifDecoder
#endif // SkAvifDecoder_DEFINED
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