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diff --git a/deps/libretro-common/include/streams/chd_stream.h b/deps/libretro-common/include/streams/chd_stream.h
new file mode 100644
index 00000000..51fd4d3e
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+++ b/deps/libretro-common/include/streams/chd_stream.h
@@ -0,0 +1,68 @@
+/* Copyright  (C) 2010-2020 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (chd_stream.h).
+ * ---------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _LIBRETRO_SDK_FILE_CHD_STREAM_H
+#define _LIBRETRO_SDK_FILE_CHD_STREAM_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+#include <retro_common_api.h>
+
+RETRO_BEGIN_DECLS
+
+typedef struct chdstream chdstream_t;
+
+/* First data track */
+#define CHDSTREAM_TRACK_FIRST_DATA (-1)
+/* Last track */
+#define CHDSTREAM_TRACK_LAST (-2)
+/* Primary (largest) data track, used for CRC identification purposes */
+#define CHDSTREAM_TRACK_PRIMARY (-3)
+
+chdstream_t *chdstream_open(const char *path, int32_t track);
+
+void chdstream_close(chdstream_t *stream);
+
+ssize_t chdstream_read(chdstream_t *stream, void *data, size_t bytes);
+
+int chdstream_getc(chdstream_t *stream);
+
+char *chdstream_gets(chdstream_t *stream, char *buffer, size_t len);
+
+uint64_t chdstream_tell(chdstream_t *stream);
+
+void chdstream_rewind(chdstream_t *stream);
+
+int64_t chdstream_seek(chdstream_t *stream, int64_t offset, int whence);
+
+ssize_t chdstream_get_size(chdstream_t *stream);
+
+uint32_t chdstream_get_track_start(chdstream_t* stream);
+
+uint32_t chdstream_get_frame_size(chdstream_t* stream);
+
+uint32_t chdstream_get_first_track_sector(chdstream_t* stream);
+
+RETRO_END_DECLS
+
+#endif