add some code

managed_components/espressif2022__image_player/include_priv/anim_dec.h

@@ -0,0 +1,93 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include "esp_err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/semphr.h"
+#include <string.h>
+#include "esp_err.h"
+#include "esp_log.h"
+#include "esp_check.h"
+#include "anim_player.h"
+#include "anim_vfs.h"
+
+typedef enum {
+    IMAGE_FORMAT_SBMP = 0,  // Split BMP format
+    IMAGE_FORMAT_REDIRECT = 1,  // Redirect format
+    IMAGE_FORMAT_INVALID = 2
+} image_format_t;
+
+typedef enum {
+    ENCODING_TYPE_RLE = 0,
+    ENCODING_TYPE_HUFFMAN = 1,
+    ENCODING_TYPE_INVALID = 2
+} encoding_type_t;
+
+// Image header structure
+typedef struct {
+    char format[3];        // Format identifier (e.g., "_S")
+    char version[6];       // Version string
+    uint8_t bit_depth;     // Bit depth (4 or 8)
+    uint16_t width;        // Image width
+    uint16_t height;       // Image height
+    uint16_t splits;       // Number of splits
+    uint16_t split_height; // Height of each split
+    uint16_t *split_lengths; // Data length of each split
+    uint16_t data_offset;  // Offset to data segment
+    uint8_t *palette;      // Color palette (dynamically allocated)
+    int num_colors;        // Number of colors in palette
+} image_header_t;
+
+// Huffman tree node structure
+typedef struct huffman_node {
+    uint8_t value;  // Character value for leaf nodes
+    struct huffman_node *left;
+    struct huffman_node *right;
+} huffman_node_t;
+
+typedef struct Node {
+    uint8_t is_leaf;
+    uint8_t value;
+    struct Node* left;
+    struct Node* right;
+} Node;
+
+/**
+ * @brief Parse the header of an image file
+ * @param data Pointer to the image data
+ * @param data_len Length of the image data
+ * @param header Pointer to store the parsed header information
+ * @return Image format type (SBMP, REDIRECT, or INVALID)
+ */
+image_format_t anim_dec_parse_header(const uint8_t *data, size_t data_len, image_header_t *header);
+
+uint32_t anim_dec_parse_palette(const image_header_t *header, uint8_t index);
+
+void anim_dec_calculate_offsets(const image_header_t *header, uint16_t *offsets);
+
+void anim_dec_free_header(image_header_t *header);
+
+esp_err_t anim_dec_huffman_decode(const uint8_t* buffer, size_t buflen, uint8_t* output, size_t* output_len);
+
+esp_err_t anim_dec_rte_decode(const uint8_t *input, size_t input_len, uint8_t *output, size_t output_len);
+
+#ifdef __cplusplus
+}
+#endif

managed_components/espressif2022__image_player/include_priv/anim_vfs.h

@@ -0,0 +1,29 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include "esp_err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct anim_vfs_t *anim_vfs_handle_t;
+
+esp_err_t anim_vfs_init(const uint8_t *data, size_t data_len, anim_vfs_handle_t *ret_parser);
+
+esp_err_t anim_vfs_deinit(anim_vfs_handle_t handle);
+
+int anim_vfs_get_total_frames(anim_vfs_handle_t handle);
+
+int anim_vfs_get_frame_size(anim_vfs_handle_t handle, int index);
+
+const uint8_t *anim_vfs_get_frame_data(anim_vfs_handle_t handle, int index);
+
+#ifdef __cplusplus
+}
+#endif