1 #!/usr/bin/env python 2 # 3 # Copyright (C) 2016 The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 # 17 18 import logging 19 import time 20 21 from vts.runners.host import asserts 22 from vts.runners.host import base_test 23 from vts.runners.host import test_runner 24 25 26 class SampleCameraV2Test(base_test.BaseTestClass): 27 """A sample testcase for the non-HIDL, conventional Camera HAL.""" 28 # Camera HAL version value (v2.1). 29 VERSION_2_1 = 0x201 30 VERSION_2_4 = 0x204 31 MAX_RETRIES = 5 32 33 def setUpClass(self): 34 self.dut = self.android_devices[0] 35 self.dut.hal.InitConventionalHal( 36 target_type="camera", 37 target_version=2.1, 38 target_basepaths=["/system/lib/hw"], 39 bits=32, 40 target_package="hal.conventional.camera") 41 42 def setUp(self): 43 self.call_count_camera_device_status_change = 0 44 self.call_count_torch_mode_status_change = 0 45 46 def testCameraNormal(self): 47 """A simple testcase which just emulates a normal usage pattern.""" 48 version = self.dut.hal.camera.common.GetAttributeValue( 49 "module_api_version") 50 logging.info("version: %s", hex(version)) 51 if version != self.VERSION_2_1 and version != self.VERSION_2_4: 52 asserts.skip("HAL version %s is neither v2.1 nor v2.4" % version) 53 54 result = self.dut.hal.camera.get_number_of_cameras() 55 count = result.return_type.scalar_value.int32_t 56 logging.info("# of found cameras: %s", count) 57 asserts.assertTrue(count > 0, "no camera found") 58 for index in range(0, count): 59 arg = self.dut.hal.camera.camera_info_t(facing=0) 60 logging.info(self.dut.hal.camera.get_camera_info(index, arg)) 61 62 # uncomment when undefined function is handled gracefully. 63 # self.dut.hal.camera.init() 64 def camera_device_status_change(callbacks, camera_id, new_status): 65 self.call_count_camera_device_status_change += 1 66 logging.info("camera_device_status_change") 67 logging.info("camera_device_status_change: camera_id = %s", 68 camera_id) 69 logging.info("camera_device_status_change: new_status = %s", 70 new_status) 71 logging.info("camera_device_status_change: callbacks = %s", 72 callbacks) 73 74 def torch_mode_status_change(callbacks, camera_id, new_status): 75 self.profiling.StopHostProfiling( 76 "callback_latency_torch_mode_status_change") 77 self.call_count_torch_mode_status_change += 1 78 logging.info("torch_mode_status_change") 79 logging.info("torch_mode_status_change: camera_id = %s", camera_id) 80 logging.info("torch_mode_status_change: new_status = %s", 81 new_status) 82 logging.info("torch_mode_status_change: callbacks = %s", callbacks) 83 84 my_callback = self.dut.hal.camera.camera_module_callbacks_t( 85 camera_device_status_change, torch_mode_status_change) 86 self.dut.hal.camera.set_callbacks(my_callback) 87 self.profiling.StartHostProfiling( 88 "callback_latency_torch_mode_status_change") 89 self.dut.hal.camera.common.methods.open() # note args are skipped 90 retries = 0 91 while (self.call_count_torch_mode_status_change < 1 and 92 retries < self.MAX_RETRIES): 93 logging.info("waiting %s %s", 94 self.call_count_camera_device_status_change, 95 self.call_count_torch_mode_status_change) 96 time.sleep(1) 97 retries += 1 98 if self.call_count_torch_mode_status_change < 1: 99 # The above callback was not always called (~50% of chance). 100 logging.error("Callback not called within %s seconds", 101 self.MAX_RETRIES) 102 103 104 if __name__ == "__main__": 105 test_runner.main() 106
