add some code

managed_components/lvgl__lvgl/examples/libs/ffmpeg/index.rst

@@ -0,0 +1,12 @@
+Decode image
+------------
+
+.. lv_example:: libs/ffmpeg/lv_example_ffmpeg_1
+  :language: c
+
+Decode video
+------------
+
+.. lv_example:: libs/ffmpeg/lv_example_ffmpeg_2
+  :language: c
+

managed_components/lvgl__lvgl/examples/libs/ffmpeg/lv_example_ffmpeg.h

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+/**
+ * @file lv_example_ffmpeg.h
+ *
+ */
+
+#ifndef LV_EXAMPLE_FFMPEG_H
+#define LV_EXAMPLE_FFMPEG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+void lv_example_ffmpeg_1(void);
+void lv_example_ffmpeg_2(void);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_EXAMPLE_FFMPEG_H*/

managed_components/lvgl__lvgl/examples/libs/ffmpeg/lv_example_ffmpeg_1.c

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+#include "../../lv_examples.h"
+#if LV_BUILD_EXAMPLES
+#if LV_USE_FFMPEG && LV_FFMPEG_PLAYER_USE_LV_FS
+
+/**
+ * Open an image from a file
+ */
+void lv_example_ffmpeg_1(void)
+{
+    /*It always uses the LVGL filesystem abstraction (not the OS filesystem)
+     *to open the image, unlike `lv_ffmpeg_player_set_src` which depends on
+     *the setting of `LV_FFMPEG_PLAYER_USE_LV_FS`.*/
+    lv_obj_t * img = lv_image_create(lv_screen_active());
+    lv_image_set_src(img, "A:lvgl/examples/libs/ffmpeg/ffmpeg.png");
+    lv_obj_center(img);
+}
+
+#else
+
+void lv_example_ffmpeg_1(void)
+{
+    /*TODO
+     *fallback for online examples*/
+
+    lv_obj_t * label = lv_label_create(lv_screen_active());
+    lv_label_set_text(label, "FFmpeg is not installed");
+    lv_obj_center(label);
+}
+
+#endif
+#endif

managed_components/lvgl__lvgl/examples/libs/ffmpeg/lv_example_ffmpeg_2.c

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+#include "../../lv_examples.h"
+#if LV_BUILD_EXAMPLES
+#if LV_USE_FFMPEG
+
+#if LV_FFMPEG_PLAYER_USE_LV_FS
+    #define PATH_PREFIX "A:"
+#else
+    #define PATH_PREFIX "./"
+#endif
+
+/**
+ * Open a video from a file
+ */
+void lv_example_ffmpeg_2(void)
+{
+    /*birds.mp4 is downloaded from http://www.videezy.com (Free Stock Footage by Videezy!)
+     *https://www.videezy.com/abstract/44864-silhouettes-of-birds-over-the-sunset*/
+    /*It will use the LVGL filesystem abstraction (not the OS filesystem)
+     *if `LV_FFMPEG_PLAYER_USE_LV_FS` is set.*/
+    lv_obj_t * player = lv_ffmpeg_player_create(lv_screen_active());
+    lv_ffmpeg_player_set_src(player, PATH_PREFIX "lvgl/examples/libs/ffmpeg/birds.mp4");
+    lv_ffmpeg_player_set_auto_restart(player, true);
+    lv_ffmpeg_player_set_cmd(player, LV_FFMPEG_PLAYER_CMD_START);
+    lv_obj_center(player);
+}
+
+#else
+
+void lv_example_ffmpeg_2(void)
+{
+    /*TODO
+     *fallback for online examples*/
+
+    lv_obj_t * label = lv_label_create(lv_screen_active());
+    lv_label_set_text(label, "FFmpeg is not installed");
+    lv_obj_center(label);
+}
+
+#endif
+#endif