From: Jeongmo Yang <jm80.yang@samsung.com>
Date: Fri, 4 Aug 2023 06:26:02 +0000 (+0900)
Subject: Add new function to get exposure from device
X-Git-Tag: accepted/tizen/7.0/unified/20230808.014653^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5b05e2e31ac7a02b010418f87a28f2949e13bfde;p=platform%2Fcore%2Fmultimedia%2Flibmm-camcorder.git

Add new function to get exposure from device

[Version] 0.10.294
[Issue Type] New feature

Change-Id: I367574551a8859f60178c55b43d5581e96c2a30b
Signed-off-by: Jeongmo Yang <jm80.yang@samsung.com>
---

diff --git a/packaging/libmm-camcorder.spec b/packaging/libmm-camcorder.spec
index a4f9090..f0deab5 100755
--- a/packaging/libmm-camcorder.spec
+++ b/packaging/libmm-camcorder.spec
@@ -1,6 +1,6 @@
 Name:       libmm-camcorder
 Summary:    Camera and recorder library
-Version:    0.10.293
+Version:    0.10.294
 Release:    0
 Group:      Multimedia/Libraries
 License:    Apache-2.0
diff --git a/src/include/mm_camcorder.h b/src/include/mm_camcorder.h
index 0eecfc0..aaf8cf4 100644
--- a/src/include/mm_camcorder.h
+++ b/src/include/mm_camcorder.h
@@ -3519,6 +3519,9 @@ int mm_camcorder_get_extra_preview_bitrate(MMHandleType camcorder, int stream_id
 int mm_camcorder_set_extra_preview_gop_interval(MMHandleType camcorder, int stream_id, int interval);
 int mm_camcorder_get_extra_preview_gop_interval(MMHandleType camcorder, int stream_id, int *interval);
 
+/* get exposure */
+int mm_camcorder_get_exposure(MMHandleType camcorder, int *exposure);
+
 /**
 	@}
  */
diff --git a/src/include/mm_camcorder_internal.h b/src/include/mm_camcorder_internal.h
index b984024..111d0f0 100644
--- a/src/include/mm_camcorder_internal.h
+++ b/src/include/mm_camcorder_internal.h
@@ -1367,6 +1367,9 @@ int _mmcamcorder_manage_external_storage_state(MMHandleType handle, int storage_
 /* get focus level */
 int _mmcamcorder_get_focus_level(MMHandleType handle, int *level);
 
+/* get exposure */
+int _mmcamcorder_get_exposure(MMHandleType handle, int *exposure);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/mm_camcorder.c b/src/mm_camcorder.c
index a4c046a..b949012 100644
--- a/src/mm_camcorder.c
+++ b/src/mm_camcorder.c
@@ -470,6 +470,13 @@ int mm_camcorder_manage_external_storage_state(MMHandleType camcorder, int stora
 	return _mmcamcorder_manage_external_storage_state(camcorder, storage_state);
 }
 
+int mm_camcorder_get_exposure(MMHandleType camcorder, int *exposure)
+{
+	mmf_return_val_if_fail((void *)camcorder, MM_ERROR_CAMCORDER_INVALID_ARGUMENT);
+
+	return _mmcamcorder_get_exposure(camcorder, exposure);
+}
+
 int mm_camcorder_get_focus_level(MMHandleType camcorder, int *level)
 {
 	mmf_return_val_if_fail((void *)camcorder, MM_ERROR_CAMCORDER_INVALID_ARGUMENT);
diff --git a/src/mm_camcorder_internal.c b/src/mm_camcorder_internal.c
index cef6346..33cb715 100644
--- a/src/mm_camcorder_internal.c
+++ b/src/mm_camcorder_internal.c
@@ -2266,6 +2266,52 @@ int _mmcamcorder_stop_focusing(MMHandleType handle)
 	}
 }
 
+int _mmcamcorder_get_exposure(MMHandleType handle, int *exposure)
+{
+	int ret = MM_ERROR_NONE;
+	int state = MM_CAMCORDER_STATE_NONE;
+	GstCameraControl *control = NULL;
+	_MMCamcorderSubContext *sc = NULL;
+	mmf_camcorder_t *hcamcorder = MMF_CAMCORDER(handle);
+
+	mmf_return_val_if_fail(hcamcorder, MM_ERROR_CAMCORDER_NOT_INITIALIZED);
+	mmf_return_val_if_fail(exposure, MM_ERROR_CAMCORDER_INVALID_ARGUMENT);
+
+	state = _mmcamcorder_get_state(handle);
+	if (state < MM_CAMCORDER_STATE_READY) {
+		ret = mm_camcorder_get_attributes(handle, NULL,
+			MMCAM_CAMERA_EXPOSURE_VALUE, exposure,
+			NULL);
+
+		MMCAM_LOG_INFO("exposure[%d] from attribute[ret:0x%x]", *exposure, ret);
+
+		return ret;
+	}
+
+	sc = MMF_CAMCORDER_SUBCONTEXT(hcamcorder);
+	mmf_return_val_if_fail(sc, MM_ERROR_CAMCORDER_NOT_INITIALIZED);
+
+	if (!GST_IS_CAMERA_CONTROL(sc->element[_MMCAMCORDER_VIDEOSRC_SRC].gst)) {
+		MMCAM_LOG_ERROR("Can't cast Video source into camera control.");
+		return MM_ERROR_CAMCORDER_NOT_SUPPORTED;
+	}
+
+	control = GST_CAMERA_CONTROL(sc->element[_MMCAMCORDER_VIDEOSRC_SRC].gst);
+	if (!control) {
+		MMCAM_LOG_ERROR("cast CAMERA_CONTROL failed");
+		return MM_ERROR_CAMCORDER_NOT_SUPPORTED;
+	}
+
+	if (!gst_camera_control_get_exposure(control, GST_CAMERA_CONTROL_EXPOSURE_VALUE, exposure, NULL)) {
+		MMCAM_LOG_ERROR("get exposure failed");
+		return MM_ERROR_CAMCORDER_INTERNAL;
+	}
+
+	MMCAM_LOG_INFO("exposure[%d] from device", *exposure);
+
+	return MM_ERROR_NONE;
+}
+
 int _mmcamcorder_get_focus_level(MMHandleType handle, int *level)
 {
 	GstCameraControl *control = NULL;