Adding all project files

venv/Lib/site-packages/include/mtmd.h

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+#ifndef MTMD_H
+#define MTMD_H
+
+#include "ggml.h"
+#include "llama.h"
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+#include <string>
+#include <vector>
+#include <cinttypes>
+#include <memory>
+#endif
+
+/**
+ * libmtmd: A library for multimodal support in llama.cpp.
+ *
+ * WARNING: This API is experimental and subject to many BREAKING CHANGES.
+ *          Issues related to API usage may receive lower priority support.
+ *
+ * For the usage, see an example in mtmd-cli.cpp
+ */
+
+#ifdef LLAMA_SHARED
+#    if defined(_WIN32) && !defined(__MINGW32__)
+#        ifdef LLAMA_BUILD
+#            define MTMD_API __declspec(dllexport)
+#        else
+#            define MTMD_API __declspec(dllimport)
+#        endif
+#    else
+#        define MTMD_API __attribute__ ((visibility ("default")))
+#    endif
+#else
+#    define MTMD_API
+#endif
+
+// deprecated marker, use mtmd_default_marker() instead
+#define MTMD_DEFAULT_IMAGE_MARKER "<__image__>"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum mtmd_input_chunk_type {
+    MTMD_INPUT_CHUNK_TYPE_TEXT,
+    MTMD_INPUT_CHUNK_TYPE_IMAGE,
+    MTMD_INPUT_CHUNK_TYPE_AUDIO,
+};
+
+// opaque types
+struct mtmd_context;
+struct mtmd_bitmap;
+struct mtmd_image_tokens;
+struct mtmd_input_chunk;
+struct mtmd_input_chunks;
+
+struct mtmd_input_text {
+    const char * text;
+    bool add_special;
+    bool parse_special;
+};
+
+//
+// C API
+//
+
+typedef struct mtmd_context      mtmd_context;
+typedef struct mtmd_bitmap       mtmd_bitmap;
+typedef struct mtmd_image_tokens mtmd_image_tokens;
+typedef struct mtmd_input_chunk  mtmd_input_chunk;
+typedef struct mtmd_input_chunks mtmd_input_chunks;
+typedef struct mtmd_input_text   mtmd_input_text;
+
+struct mtmd_context_params {
+    bool use_gpu;
+    bool print_timings;
+    int n_threads;
+    enum ggml_log_level verbosity;
+    const char * image_marker; // deprecated, use media_marker instead
+    const char * media_marker;
+};
+
+MTMD_API const char * mtmd_default_marker(void);
+
+MTMD_API struct mtmd_context_params mtmd_context_params_default(void);
+
+// initialize the mtmd context
+// return nullptr on failure
+MTMD_API mtmd_context * mtmd_init_from_file(const char * mmproj_fname,
+                                            const struct llama_model * text_model,
+                                            const struct mtmd_context_params ctx_params);
+
+MTMD_API void mtmd_free(mtmd_context * ctx);
+
+// whether we need to set non-causal mask before llama_decode
+MTMD_API bool mtmd_decode_use_non_causal(mtmd_context * ctx);
+
+// whether the current model use M-RoPE for llama_decode
+MTMD_API bool mtmd_decode_use_mrope(mtmd_context * ctx);
+
+// whether the current model supports vision input
+MTMD_API bool mtmd_support_vision(mtmd_context * ctx);
+
+// whether the current model supports audio input
+MTMD_API bool mtmd_support_audio(mtmd_context * ctx);
+
+// get audio bitrate in Hz, for example 16000 for Whisper
+// return -1 if audio is not supported
+MTMD_API int mtmd_get_audio_bitrate(mtmd_context * ctx);
+
+// mtmd_bitmap
+//
+// if bitmap is image:
+//     length of data must be nx * ny * 3
+//     the data is in RGBRGBRGB... format
+// if bitmap is audio:
+//     length of data must be n_samples * sizeof(float)
+//     the data is in float format (PCM F32)
+MTMD_API mtmd_bitmap *         mtmd_bitmap_init           (uint32_t nx, uint32_t ny, const unsigned char * data);
+MTMD_API mtmd_bitmap *         mtmd_bitmap_init_from_audio(size_t n_samples,         const float         * data);
+MTMD_API uint32_t              mtmd_bitmap_get_nx     (const mtmd_bitmap * bitmap);
+MTMD_API uint32_t              mtmd_bitmap_get_ny     (const mtmd_bitmap * bitmap);
+MTMD_API const unsigned char * mtmd_bitmap_get_data   (const mtmd_bitmap * bitmap);
+MTMD_API size_t                mtmd_bitmap_get_n_bytes(const mtmd_bitmap * bitmap);
+MTMD_API bool                  mtmd_bitmap_is_audio   (const mtmd_bitmap * bitmap);
+MTMD_API void                  mtmd_bitmap_free       (mtmd_bitmap * bitmap);
+// bitmap ID is optional, but useful for KV cache tracking
+// these getters/setters are dedicated functions, so you can for example calculate the hash of the image based on mtmd_bitmap_get_data()
+MTMD_API const char * mtmd_bitmap_get_id(const mtmd_bitmap * bitmap);
+MTMD_API void         mtmd_bitmap_set_id(mtmd_bitmap * bitmap, const char * id);
+
+
+// mtmd_input_chunks
+//
+// this is simply a list of mtmd_input_chunk
+// the elements can only be populated via mtmd_tokenize()
+MTMD_API mtmd_input_chunks *      mtmd_input_chunks_init(void);
+MTMD_API size_t                   mtmd_input_chunks_size(const mtmd_input_chunks * chunks);
+MTMD_API const mtmd_input_chunk * mtmd_input_chunks_get (const mtmd_input_chunks * chunks, size_t idx);
+MTMD_API void                     mtmd_input_chunks_free(mtmd_input_chunks * chunks);
+
+// mtmd_input_chunk
+//
+// the instance will be constructed via mtmd_tokenize()
+// it will be freed along with mtmd_input_chunks
+MTMD_API enum mtmd_input_chunk_type mtmd_input_chunk_get_type        (const mtmd_input_chunk * chunk);
+MTMD_API const llama_token *        mtmd_input_chunk_get_tokens_text (const mtmd_input_chunk * chunk, size_t * n_tokens_output);
+MTMD_API const mtmd_image_tokens *  mtmd_input_chunk_get_tokens_image(const mtmd_input_chunk * chunk);
+MTMD_API size_t                     mtmd_input_chunk_get_n_tokens    (const mtmd_input_chunk * chunk);
+// returns nullptr for ID on text chunk
+MTMD_API const char *               mtmd_input_chunk_get_id          (const mtmd_input_chunk * chunk);
+// number of temporal positions (always 1 for M-RoPE, n_tokens otherwise)
+MTMD_API llama_pos                  mtmd_input_chunk_get_n_pos       (const mtmd_input_chunk * chunk);
+
+// in case you want to use custom logic to handle the chunk (i.e. KV cache management)
+// you can move the chunk ownership to your own code by copying it
+// remember to free the chunk when you are done with it
+MTMD_API mtmd_input_chunk * mtmd_input_chunk_copy(const mtmd_input_chunk * chunk);
+MTMD_API void               mtmd_input_chunk_free(mtmd_input_chunk * chunk);
+
+
+// mtmd_image_tokens
+//
+// the instance will be constructed via mtmd_tokenize()
+// it will be freed along with mtmd_input_chunk
+MTMD_API size_t       mtmd_image_tokens_get_n_tokens(const mtmd_image_tokens * image_tokens); // TODO: deprecate
+MTMD_API size_t       mtmd_image_tokens_get_nx      (const mtmd_image_tokens * image_tokens);
+MTMD_API size_t       mtmd_image_tokens_get_ny      (const mtmd_image_tokens * image_tokens);
+MTMD_API const char * mtmd_image_tokens_get_id      (const mtmd_image_tokens * image_tokens); // TODO: deprecate
+// number of temporal positions (always 1 for M-RoPE, n_tokens otherwise)
+MTMD_API llama_pos    mtmd_image_tokens_get_n_pos   (const mtmd_image_tokens * image_tokens); // TODO: deprecate
+
+// tokenize an input text prompt and a list of bitmaps (images/audio)
+// the prompt must have the input image marker (default: "<__media__>") in it
+// the default marker is defined by mtmd_default_marker()
+// the marker will be replaced with the image/audio chunk
+// for example:
+//   "here is an image: <__media__>\ndescribe it in detail."
+//   this will gives 3 chunks:
+//   1. "here is an image: <start_of_image>"
+//   2. (image/audio tokens)
+//   3. "<end_of_image>\ndescribe it in detail."
+// number of bitmaps must be equal to the number of markers in the prompt
+// this function is thread-safe (shared ctx)
+// return values:
+//   0 on success
+//   1 on number of bitmaps not matching the number of markers
+//   2 on image preprocessing error
+MTMD_API int32_t mtmd_tokenize(mtmd_context * ctx,
+                               mtmd_input_chunks * output,
+                               const mtmd_input_text * text,
+                               const mtmd_bitmap ** bitmaps,
+                               size_t n_bitmaps);
+
+// returns 0 on success
+// TODO: deprecate
+MTMD_API int32_t mtmd_encode(mtmd_context * ctx,
+                             const mtmd_image_tokens * image_tokens);
+
+// returns 0 on success
+MTMD_API int32_t mtmd_encode_chunk(mtmd_context * ctx,
+                                   const mtmd_input_chunk * chunk);
+
+// get output embeddings from the last encode pass
+// the reading size (in bytes) is equal to:
+// llama_model_n_embd(model) * mtmd_input_chunk_get_n_tokens(chunk) * sizeof(float)
+MTMD_API float * mtmd_get_output_embd(mtmd_context * ctx);
+
+/////////////////////////////////////////
+
+// test function, to be used in test-mtmd-c-api.c
+MTMD_API mtmd_input_chunks * mtmd_test_create_input_chunks(void);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+//
+// C++ wrappers
+//
+
+#ifdef __cplusplus
+
+namespace mtmd {
+
+struct mtmd_context_deleter {
+    void operator()(mtmd_context * val) { mtmd_free(val); }
+};
+using context_ptr = std::unique_ptr<mtmd_context, mtmd_context_deleter>;
+
+struct mtmd_bitmap_deleter {
+    void operator()(mtmd_bitmap * val) { mtmd_bitmap_free(val); }
+};
+using bitmap_ptr = std::unique_ptr<mtmd_bitmap, mtmd_bitmap_deleter>;
+
+struct mtmd_input_chunks_deleter {
+    void operator()(mtmd_input_chunks * val) { mtmd_input_chunks_free(val); }
+};
+using input_chunks_ptr = std::unique_ptr<mtmd_input_chunks, mtmd_input_chunks_deleter>;
+
+struct mtmd_input_chunk_deleter {
+    void operator()(mtmd_input_chunk * val) { mtmd_input_chunk_free(val); }
+};
+using input_chunk_ptr = std::unique_ptr<mtmd_input_chunk, mtmd_input_chunk_deleter>;
+
+struct bitmap {
+    bitmap_ptr ptr;
+    bitmap() : ptr(nullptr) {}
+    bitmap(mtmd_bitmap * bitmap) : ptr(bitmap) {}
+    bitmap(bitmap && other) noexcept : ptr(std::move(other.ptr)) {}
+    bitmap(uint32_t nx, uint32_t ny, const unsigned char * data) {
+        ptr.reset(mtmd_bitmap_init(nx, ny, data));
+    }
+    ~bitmap() = default;
+    uint32_t nx() { return mtmd_bitmap_get_nx(ptr.get()); }
+    uint32_t ny() { return mtmd_bitmap_get_ny(ptr.get()); }
+    const unsigned char * data() { return mtmd_bitmap_get_data(ptr.get()); }
+    size_t n_bytes() { return mtmd_bitmap_get_n_bytes(ptr.get()); }
+    std::string id() { return mtmd_bitmap_get_id(ptr.get()); }
+    void set_id(const char * id) { mtmd_bitmap_set_id(ptr.get(), id); }
+};
+
+struct bitmaps {
+    std::vector<bitmap> entries;
+    ~bitmaps() = default;
+    // return list of pointers to mtmd_bitmap
+    // example:
+    //   auto bitmaps_c_ptr = bitmaps.c_ptr();
+    //   int32_t res = mtmd_tokenize(... bitmaps_c_ptr.data(), bitmaps_c_ptr.size());
+    std::vector<const mtmd_bitmap *> c_ptr() {
+        std::vector<const mtmd_bitmap *> res(entries.size());
+        for (size_t i = 0; i < entries.size(); i++) {
+            res[i] = entries[i].ptr.get();
+        }
+        return res;
+    }
+};
+
+struct input_chunks {
+    input_chunks_ptr ptr;
+    input_chunks() = default;
+    input_chunks(mtmd_input_chunks * chunks) : ptr(chunks) {}
+    ~input_chunks() = default;
+    size_t size() { return mtmd_input_chunks_size(ptr.get()); }
+    const mtmd_input_chunk * operator[](size_t idx) {
+        return mtmd_input_chunks_get(ptr.get(), idx);
+    }
+};
+
+} // namespace mtmd
+
+#endif
+
+#endif