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