android: jpeg: Add JEA implementation

This patch adds JEA implementation to replace libjpeg in CrOS platform,
where hardware accelerator is available.

Signed-off-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/src/android/jpeg/encoder_jea.h b/src/android/jpeg/encoder_jea.h
new file mode 100644
index 00000000..ffe9df27
--- /dev/null
+++ b/src/android/jpeg/encoder_jea.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2022, Google Inc.
+ *
+ * encoder_jea.h - JPEG encoding using CrOS JEA
+ */
+
+#pragma once
+
+#include <libcamera/geometry.h>
+
+#include <cros-camera/jpeg_compressor.h>
+
+#include "encoder.h"
+
+class EncoderJea : public Encoder
+{
+public:
+	EncoderJea();
+	~EncoderJea();
+
+	int configure(const libcamera::StreamConfiguration &cfg) override;
+	int encode(Camera3RequestDescriptor::StreamBuffer *buffer,
+		   libcamera::Span<const uint8_t> exifData,
+		   unsigned int quality) override;
+
+private:
+	libcamera::Size size_;
+
+	std::unique_ptr<cros::JpegCompressor> jpegCompressor_;
+};