From 86ff30930efec8c0ff60e79c4a0ceff1fb5d2435 Mon Sep 17 00:00:00 2001
From: xiongyangyang <xiongyangyang6@huawei.com>
Date: Wed, 9 Apr 2025 14:51:51 +0800
Subject: [PATCH] system pressure level

Signed-off-by: xiongyangyang <xiongyangyang6@huawei.com>
---
 multimedia/camera_framework/camera.h          | 33 ++++++++++++++++++
 multimedia/camera_framework/capture_session.h | 34 +++++++++++++++++++
 2 files changed, 67 insertions(+)

diff --git a/multimedia/camera_framework/camera.h b/multimedia/camera_framework/camera.h
index 274390abd..70b742de6 100644
--- a/multimedia/camera_framework/camera.h
+++ b/multimedia/camera_framework/camera.h
@@ -1152,6 +1152,39 @@ typedef struct Camera_ConcurrentInfo {
     uint32_t modeAndCapabilitySize;
 } Camera_ConcurrentInfo;
 
+/**
+ * @brief Enum for system pressure level.
+ *
+ * @since 20
+ * @version 1.0
+ */
+typedef enum Camera_SystemPressureLevel {
+    /**
+     * System pressure normal.
+     */
+    SYSTEM_PRESSURE_NORMAL = 0,
+
+    /**
+     * System pressure mild.
+     */
+    SYSTEM_PRESSURE_MILD = 1,
+
+    /**
+     * System pressure severe.
+     */
+    SYSTEM_PRESSURE_SEVERE = 2,
+
+    /**
+     * System pressure critical.
+     */
+    SYSTEM_PRESSURE_CRITICAL = 3,
+
+    /**
+     * System pressure shutdown.
+     */
+    SYSTEM_PRESSURE_SHUTDOWN = 4
+} Camera_SystemPressureLevel;
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/multimedia/camera_framework/capture_session.h b/multimedia/camera_framework/capture_session.h
index bbccf4e81..ed21a3846 100644
--- a/multimedia/camera_framework/capture_session.h
+++ b/multimedia/camera_framework/capture_session.h
@@ -104,6 +104,16 @@ typedef void (*OH_CaptureSession_OnSmoothZoomInfo)(Camera_CaptureSession* sessio
 typedef void (*OH_CaptureSession_OnAutoDeviceSwitchStatusChange)(Camera_CaptureSession* session,
     Camera_AutoDeviceSwitchStatusInfo* autoDeviceSwitchStatusInfo);
 
+/**
+ * @brief Capture session system pressure level callback.
+ *
+ * @param session the {@link Camera_CaptureSession} which deliver the callback.
+ * @param systemPressureLevel the {@link Camera_SystemPressureLevel} which delivered by the callback.
+ * @since 20
+ */
+typedef void (*OH_CaptureSession_OnSystemPressureLevel)(Camera_CaptureSession* session,
+    Camera_SystemPressureLevel* systemPressureLevel);
+
 /**
  * @brief A listener for capture session.
  *
@@ -929,6 +939,30 @@ Camera_ErrorCode OH_CaptureSession_EnableAutoDeviceSwitch(Camera_CaptureSession*
 Camera_ErrorCode OH_CaptureSession_SetQualityPrioritization(
     Camera_CaptureSession* session, Camera_QualityPrioritization qualityPrioritization);
 
+/**
+ * @brief Register system pressure level callback.
+ *
+ * @param session the {@link Camera_CaptureSession} instance.
+ * @param systemPressureLevel the {@link OH_CaptureSession_OnSystemPressureLevel} to be registered.
+ * @return {@link #CAMERA_OK} if the method call succeeds.
+ *         {@link #CAMERA_INVALID_ARGUMENT} if parameter missing or parameter type incorrect.
+ * @since 20
+ */
+Camera_ErrorCode OH_CaptureSession_RegisterSystemPressureLevelCallback(Camera_CaptureSession* session,
+    OH_CaptureSession_OnSystemPressureLevel systemPressureLevel);
+
+/**
+ * @brief Unregister system pressure level callback.
+ *
+ * @param session the {@link Camera_CaptureSession} instance.
+ * @param systemPressureLevel the {@link OH_CaptureSession_OnSystemPressureLevel} to be unregistered.
+ * @return {@link #CAMERA_OK} if the method call succeeds.
+ *         {@link #CAMERA_INVALID_ARGUMENT} if parameter missing or parameter type incorrect.
+ * @since 20
+ */
+Camera_ErrorCode OH_CaptureSession_UnregisterSystemPressureLevelCallback(Camera_CaptureSession* session,
+    OH_CaptureSession_OnSystemPressureLevel systemPressureLevel);
+
 #ifdef __cplusplus
 }
 #endif
-- 
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