do not start to record if sdcard free space < 103MB

src/core/dvr.c

@@ -12,6 +12,7 @@
 #include "core/settings.h"
 #include "driver/hardware.h"
 #include "ui/page_common.h"
+#include "util/sdcard.h"
 #include "util/system.h"
 
 bool dvr_is_recording = false;
@@ -165,7 +166,7 @@ void dvr_cmd(osd_dvr_cmd_t cmd) {
     }
 
     if (start_rec) {
-        if (!dvr_is_recording && g_sdcard_size >= 103) {
+        if (!dvr_is_recording && !sdcard_is_full()) {
             dvr_update_record_conf();
             dvr_is_recording = true;
             usleep(10 * 1000);

src/core/thread.c

@@ -43,11 +43,7 @@ static void detect_sdcard(void) {
         g_sdcard_enable = sdcard_mounted();
 
         if ((g_sdcard_enable && !sdcard_enable_last) || g_sdcard_det_req) {
-            struct statfs info;
-            if (statfs("/mnt/extsd", &info) == 0)
-                g_sdcard_size = (info.f_bsize * info.f_bavail) >> 20; // in MB
-            else
-                g_sdcard_size = 0;
+            sdcard_update_free_size();
             g_sdcard_det_req = 0;
         }
 
@@ -135,7 +131,9 @@ static void check_hdzero_signal(int vtmg_change) {
             if (cnt >= SIGNAL_ACCQ_DURATION_THR) {
                 cnt = 0;
                 LOGI("Signal accquired");
-                dvr_cmd(DVR_START);
+                sdcard_update_free_size();
+                if (!sdcard_is_full())
+                    dvr_cmd(DVR_START);
             }
         } else
             cnt = 0;

src/ui/page_common.c

@@ -205,7 +205,7 @@ void create_slider_item(slider_group_t *slider_group, lv_obj_t *parent, const ch
     lv_obj_remove_style_all(slider_group->slider);
     lv_obj_add_style(slider_group->slider, &style_silder_main, LV_PART_MAIN);
     lv_obj_set_style_bg_color(slider_group->slider, COLOR_DISABLED, LV_PART_MAIN | STATE_DISABLED);
-    
+
     lv_obj_add_style(slider_group->slider, &style_silder_indicator, LV_PART_INDICATOR);
     lv_obj_set_style_bg_color(slider_group->slider, COLOR_DISABLED, LV_PART_INDICATOR | STATE_DISABLED);
     lv_obj_add_style(slider_group->slider, &style_silder_pressed_color, LV_PART_INDICATOR | LV_STATE_PRESSED);

src/ui/page_common.h

@@ -77,8 +77,8 @@ extern "C" {
 #define MAX_PANELS 9
 
 #define FLAG_SELECTABLE LV_OBJ_FLAG_USER_1
-#define STATE_DISABLED LV_STATE_USER_1
-#define COLOR_DISABLED (lv_color_darken(lv_color_white(), 127))
+#define STATE_DISABLED  LV_STATE_USER_1
+#define COLOR_DISABLED  (lv_color_darken(lv_color_white(), 127))
 
 typedef enum {
     SOURCE_HDZERO = 0,
@@ -132,7 +132,6 @@ typedef uint8_t lv_menu_builder_variant_t;
 
 extern bool g_sdcard_enable;
 extern bool g_sdcard_det_req;
-extern int g_sdcard_size;
 extern bool g_autoscan_exit;
 extern bool g_scanning;
 extern bool g_latency_locked;

src/ui/ui_statusbar.c

@@ -209,16 +209,15 @@ void statubar_update(void) {
     } else {
         if (g_sdcard_enable) {
             int cnt = get_videofile_cnt();
-            float gb = g_sdcard_size / 1024.0;
-            bool bFull = g_sdcard_size < 103;
+            float gb = sdcard_free_size() / 1024.0;
             lv_img_set_src(img_sdc, &img_sdcard);
             if (cnt != 0) {
-                if (bFull)
+                if (sdcard_is_full())
                     sprintf(buf, "%d clip(s), SD Card full", cnt);
                 else
                     sprintf(buf, "%d clip(s), %.2fGB available", cnt, gb);
             } else {
-                if (bFull)
+                if (sdcard_is_full())
                     sprintf(buf, "#FF0000 SD Card full#");
                 else
                     sprintf(buf, "%.2fGB available", gb);

src/util/sdcard.c

@@ -1,8 +1,11 @@
 #include "sdcard.h"
 
 #include <sys/stat.h>
+#include <sys/vfs.h>
 #include <unistd.h>
 
+static int g_sdcard_free_size = 0;
+
 bool sdcard_mounted() {
     struct stat mountpoint;
     struct stat mountpoint_parent;
@@ -20,3 +23,22 @@ bool sdcard_mounted() {
 bool sdcard_inserted() {
     return access(SD_BLOCK_DEVICE, F_OK) == 0;
 }
+
+void sdcard_update_free_size() {
+    struct statfs info;
+    if (statfs("/mnt/extsd", &info) == 0)
+        g_sdcard_free_size = (info.f_bsize * info.f_bavail) >> 20; // in MB
+    else
+        g_sdcard_free_size = 0;
+}
+
+bool sdcard_is_full() {
+    return g_sdcard_free_size < 103;
+}
+
+/*
+return in MB
+*/
+int sdcard_free_size() {
+    return g_sdcard_free_size;
+}

src/util/sdcard.h

@@ -9,8 +9,10 @@ extern "C" {
 #define SD_BLOCK_DEVICE "/dev/mmcblk0"
 
 bool sdcard_mounted();
-
 bool sdcard_inserted();
+void sdcard_update_free_size();
+int sdcard_free_size();
+bool sdcard_is_full();
 
 #ifdef __cplusplus
 }