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diff --git a/gpr/source/lib/vc5_decoder/vc5_decoder.h b/gpr/source/lib/vc5_decoder/vc5_decoder.h
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+/*! @file vc5_decoder.h
+ *
+ *  @brief Declaration of the top level vc5 decoder API.
+ *
+ *  (C) Copyright 2018 GoPro Inc (http://gopro.com/).
+ *
+ *  Licensed under either:
+ *  - Apache License, Version 2.0, http://www.apache.org/licenses/LICENSE-2.0
+ *  - MIT license, http://opensource.org/licenses/MIT
+ *  at your option.
+ *
+ *  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.
+ */
+
+#ifndef VC5_DECODER_H
+#define VC5_DECODER_H
+
+#include "error.h"
+#include "types.h"
+#include "gpr_buffer.h"
+#include "gpr_rgb_buffer.h"
+#include "vc5_common.h"
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+    /*!
+     @brief Bayer pattern ordering for vc5 encoder processing
+     */
+    typedef enum
+    {
+        VC5_DECODER_PIXEL_FORMAT_RGGB_12 = 0,               // RGGB 14bit pixels packed into 16bits
+
+        VC5_DECODER_PIXEL_FORMAT_RGGB_14 = 1,               // RGGB 14bit pixels packed into 16bits
+        
+        VC5_DECODER_PIXEL_FORMAT_GBRG_12 = 2,               // GBRG 12bit pixels packed into 16bits
+        
+        VC5_DECODER_PIXEL_FORMAT_GBRG_14 = 3,               // GBRG 12bit pixels packed into 16bits
+        
+        VC5_DECODER_PIXEL_FORMAT_DEFAULT = VC5_DECODER_PIXEL_FORMAT_RGGB_14,
+        
+    } VC5_DECODER_PIXEL_FORMAT;
+
+    #define VC5_DECODER_RGB_RESOLUTION_DEFAULT GPR_RGB_RESOLUTION_QUARTER
+        
+    /*!
+     @brief vc5 decoder parameters
+     */
+    typedef struct
+    {
+        ENABLED_PARTS                   enabled_parts;
+        
+        VC5_DECODER_PIXEL_FORMAT        pixel_format;           // Bayer Ordering Pattern (Default: VC5_ENCODER_BAYER_ORDERING_RGGB)
+        
+        GPR_RGB_RESOLUTION              rgb_resolution;
+        
+        int                             rgb_bits;
+        
+        gpr_rgb_gain                    rgb_gain;
+        
+        gpr_malloc                      mem_alloc;              // Callback function to allocate memory
+        
+        gpr_free                        mem_free;               // Callback function to free memory
+        
+    } vc5_decoder_parameters;
+        
+    void vc5_decoder_parameters_set_default(vc5_decoder_parameters* decoding_parameters);
+
+    CODEC_ERROR vc5_decoder_process(const vc5_decoder_parameters*   decoding_parameters,    /* vc5 decoding parameters */
+                                    const gpr_buffer*               vc5_buffer,             /* vc5 input buffer. */
+                                          gpr_buffer*               raw_buffer,             /* raw output buffer. */
+                                          gpr_rgb_buffer*           rgb_buffer);            /* rgb output buffer */
+        
+
+#ifdef __cplusplus
+    }
+#endif
+
+#endif // VC5_DECODER_H