From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 image/decoders/nsJXLDecoder.h | 55 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 image/decoders/nsJXLDecoder.h

(limited to 'image/decoders/nsJXLDecoder.h')

diff --git a/image/decoders/nsJXLDecoder.h b/image/decoders/nsJXLDecoder.h
new file mode 100644
index 0000000000..6cde7456ca
--- /dev/null
+++ b/image/decoders/nsJXLDecoder.h
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_image_decoders_nsJXLDecoder_h
+#define mozilla_image_decoders_nsJXLDecoder_h
+
+#include "Decoder.h"
+#include "mp4parse.h"
+#include "SurfacePipe.h"
+
+#include "jxl/decode_cxx.h"
+#include "jxl/thread_parallel_runner_cxx.h"
+
+#include "mozilla/Telemetry.h"
+
+namespace mozilla::image {
+class RasterImage;
+
+class nsJXLDecoder final : public Decoder {
+ public:
+  virtual ~nsJXLDecoder();
+
+  DecoderType GetType() const override { return DecoderType::JXL; }
+
+ protected:
+  LexerResult DoDecode(SourceBufferIterator& aIterator,
+                       IResumable* aOnResume) override;
+
+ private:
+  friend class DecoderFactory;
+
+  // Decoders should only be instantiated via DecoderFactory.
+  explicit nsJXLDecoder(RasterImage* aImage);
+
+  size_t PreferredThreadCount();
+
+  enum class State { JXL_DATA, FINISHED_JXL_DATA };
+
+  LexerTransition<State> ReadJXLData(const char* aData, size_t aLength);
+  LexerTransition<State> FinishedJXLData();
+
+  StreamingLexer<State> mLexer;
+  JxlDecoderPtr mDecoder;
+  JxlThreadParallelRunnerPtr mParallelRunner;
+  Vector<uint8_t> mBuffer;
+  Vector<uint8_t> mOutBuffer;
+  JxlBasicInfo mInfo{};
+};
+
+}  // namespace mozilla::image
+
+#endif  // mozilla_image_decoders_nsJXLDecoder_h
-- 
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