Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/libfreerdp/codec/jpeg.c

@@ -0,0 +1,67 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * Compressed jpeg
+ *
+ * Copyright 2012 Jay Sorg <jay.sorg@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <freerdp/config.h>
+
+#include <winpr/stream.h>
+#include <winpr/image.h>
+
+#include <freerdp/codec/color.h>
+
+#include <freerdp/codec/jpeg.h>
+
+#ifdef WITH_JPEG
+
+/* jpeg decompress */
+BOOL jpeg_decompress(const BYTE* input, BYTE* output, int width, int height, int size, int bpp)
+{
+	BOOL rc = FALSE;
+
+	if (bpp != 24)
+		return FALSE;
+
+	wImage* image = winpr_image_new();
+	if (!image)
+		goto fail;
+
+	if (winpr_image_read_buffer(image, input, size) <= 0)
+		goto fail;
+
+	if ((image->width != width) || (image->height != height) || (image->bitsPerPixel != bpp))
+		goto fail;
+
+	memcpy(output, image->data, 1ull * image->scanline * image->height);
+	rc = TRUE;
+
+fail:
+	winpr_image_free(image, TRUE);
+	return rc;
+}
+
+#else
+
+BOOL jpeg_decompress(WINPR_ATTR_UNUSED const BYTE* input, WINPR_ATTR_UNUSED BYTE* output,
+                     WINPR_ATTR_UNUSED int width, WINPR_ATTR_UNUSED int height,
+                     WINPR_ATTR_UNUSED int size, WINPR_ATTR_UNUSED int bpp)
+{
+	WLog_ERR("TODO", "TODO: implement");
+	return 0;
+}
+
+#endif