1 files changed, 121 insertions, 0 deletions
diff --git a/camera/CameraHalCommon.cpp b/camera/CameraHalCommon.cpp
new file mode 100644
index 0000000..7e81a09
--- /dev/null
+++ b/camera/CameraHalCommon.cpp
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) Texas Instruments - http://www.ti.com/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "CameraHal.h"
+
+namespace android {
+
+const char CameraHal::PARAMS_DELIMITER []= ",";
+
+#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS
+
+struct timeval CameraHal::ppm_start;
+
+#endif
+
+#if PPM_INSTRUMENTATION
+
+/**
+   @brief PPM instrumentation
+
+   Dumps the current time offset. The time reference point
+   lies within the CameraHAL constructor.
+
+   @param str - log message
+   @return none
+
+ */
+void CameraHal::PPM(const char* str){
+    struct timeval ppm;
+
+    gettimeofday(&ppm, NULL);
+    ppm.tv_sec = ppm.tv_sec - ppm_start.tv_sec;
+    ppm.tv_sec = ppm.tv_sec * 1000000;
+    ppm.tv_sec = ppm.tv_sec + ppm.tv_usec - ppm_start.tv_usec;
+
+    ALOGD("PPM: %s :%ld.%ld ms", str, ( ppm.tv_sec /1000 ), ( ppm.tv_sec % 1000 ));
+}
+
+#elif PPM_INSTRUMENTATION_ABS
+
+/**
+   @brief PPM instrumentation
+
+   Dumps the current time offset. The time reference point
+   lies within the CameraHAL constructor. This implemetation
+   will also dump the abosolute timestamp, which is useful when
+   post calculation is done with data coming from the upper
+   layers (Camera application etc.)
+
+   @param str - log message
+   @return none
+
+ */
+void CameraHal::PPM(const char* str){
+    struct timeval ppm;
+
+    unsigned long long elapsed, absolute;
+    gettimeofday(&ppm, NULL);
+    elapsed = ppm.tv_sec - ppm_start.tv_sec;
+    elapsed *= 1000000;
+    elapsed += ppm.tv_usec - ppm_start.tv_usec;
+    absolute = ppm.tv_sec;
+    absolute *= 1000;
+    absolute += ppm.tv_usec /1000;
+
+    ALOGD("PPM: %s :%llu.%llu ms : %llu ms", str, ( elapsed /1000 ), ( elapsed % 1000 ), absolute);
+}
+
+#endif
+
+#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS
+
+/**
+   @brief PPM instrumentation
+
+   Calculates and dumps the elapsed time using 'ppm_first' as
+   reference.
+
+   @param str - log message
+   @return none
+
+ */
+void CameraHal::PPM(const char* str, struct timeval* ppm_first, ...){
+    char temp_str[256];
+    struct timeval ppm;
+    unsigned long long absolute;
+    va_list args;
+
+    va_start(args, ppm_first);
+    vsprintf(temp_str, str, args);
+    gettimeofday(&ppm, NULL);
+    absolute = ppm.tv_sec;
+    absolute *= 1000;
+    absolute += ppm.tv_usec /1000;
+    ppm.tv_sec = ppm.tv_sec - ppm_first->tv_sec;
+    ppm.tv_sec = ppm.tv_sec * 1000000;
+    ppm.tv_sec = ppm.tv_sec + ppm.tv_usec - ppm_first->tv_usec;
+
+    ALOGD("PPM: %s :%ld.%ld ms :  %llu ms", temp_str, ( ppm.tv_sec /1000 ), ( ppm.tv_sec % 1000 ), absolute);
+
+    va_end(args);
+}
+
+#endif
+
+};
+
+