clip : use smart pointer (⚠️ breaking change)

examples/llava/clip-impl.h

@@ -1,12 +1,19 @@
 #include "ggml.h"
 #include "gguf.h"
+#include "clip.h"
 
 #include <climits>
 #include <cstdarg>
 #include <string>
 #include <map>
 #include <sstream>
 #include <vector>
+#include <memory>
+
+// forward declarations
+struct clip_image_u8;
+struct clip_image_f32;
+struct clip_image_size;
 
 // Internal header for clip.cpp
 
@@ -178,6 +185,37 @@ static void clip_log_internal(enum ggml_log_level level, const char * format, ..
 #define LOG_DBG(...) LOG_TMPL(GGML_LOG_LEVEL_DEBUG, __VA_ARGS__)
 #define LOG_CNT(...) LOG_TMPL(GGML_LOG_LEVEL_CONT,  __VA_ARGS__)
 
+//
+// cpp wrappers
+//
+
+// wrapper for clip_image_size
+struct clip_image_size_deleter {
+    void operator()(clip_image_size * val) { clip_image_size_free(val); }
+};
+typedef std::unique_ptr<clip_image_size, clip_image_size_deleter> clip_image_size_ptr;
+
+// wrapper for clip_image_u8
+struct clip_image_u8_deleter {
+    void operator()(clip_image_u8 * val) { clip_image_u8_free(val); }
+};
+typedef std::unique_ptr<clip_image_u8, clip_image_u8_deleter> clip_image_u8_ptr;
+
+// wrapper for clip_image_f32
+struct clip_image_f32_deleter {
+    void operator()(clip_image_f32 * val) { clip_image_f32_free(val); }
+};
+typedef std::unique_ptr<clip_image_f32, clip_image_f32_deleter> clip_image_f32_ptr;
+
+struct clip_image_u8_batch {
+    std::vector<clip_image_u8_ptr> entries;
+};
+
+struct clip_image_f32_batch {
+    std::vector<clip_image_f32_ptr> entries;
+};
+
+
 //
 // common utils
 //