1 files changed, 44 insertions, 0 deletions
diff --git a/src/android/jpeg/encoder_libjpeg.h b/src/android/jpeg/encoder_libjpeg.h
new file mode 100644
index 00000000..4ac85c22
--- /dev/null
+++ b/src/android/jpeg/encoder_libjpeg.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2020, Google Inc.
+ *
+ * JPEG encoding using libjpeg
+ */
+
+#pragma once
+
+#include "encoder.h"
+
+#include <vector>
+
+#include "libcamera/internal/formats.h"
+
+#include <jpeglib.h>
+
+class EncoderLibJpeg : public Encoder
+{
+public:
+	EncoderLibJpeg();
+	~EncoderLibJpeg();
+
+	int configure(const libcamera::StreamConfiguration &cfg) override;
+	int encode(Camera3RequestDescriptor::StreamBuffer *buffer,
+		   libcamera::Span<const uint8_t> exifData,
+		   unsigned int quality) override;
+	int encode(const std::vector<libcamera::Span<uint8_t>> &planes,
+		   libcamera::Span<uint8_t> destination,
+		   libcamera::Span<const uint8_t> exifData,
+		   unsigned int quality);
+
+private:
+	void compressRGB(const std::vector<libcamera::Span<uint8_t>> &planes);
+	void compressNV(const std::vector<libcamera::Span<uint8_t>> &planes);
+
+	struct jpeg_compress_struct compress_;
+	struct jpeg_error_mgr jerr_;
+
+	const libcamera::PixelFormatInfo *pixelFormatInfo_;
+
+	bool nv_;
+	bool nvSwap_;
+};