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diff --git a/zh-cn/devices/camera/multi-camera.html b/zh-cn/devices/camera/multi-camera.html index 27d55260..a202fee1 100644 --- a/zh-cn/devices/camera/multi-camera.html +++ b/zh-cn/devices/camera/multi-camera.html @@ -34,11 +34,11 @@ <h2 id="examples_and_sources">示例和来源</h2> -<p>必须通过<a href="https://developer.android.com/reference/android/hardware/camera2/CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA">逻辑多摄像头功能</a>播发多摄像头设备。</p> +<p>必须通过<a href="https://developer.android.com/reference/android/hardware/camera2/CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA" class="external">逻辑多摄像头功能</a>播发多摄像头设备。</p> -<p>摄像头客户端可以通过调用 <a href="https://developer.android.com/reference/android/hardware/camera2/CameraCharacteristics.html#getPhysicalCameraIds()"><code>getPhysicalCameraIds()</code></a> 来查询构成特定逻辑摄像头的物理设备的摄像头 ID。随结果返回的 ID 之后会用于通过 <a href="https://developer.android.com/reference/android/hardware/camera2/params/OutputConfiguration.html#setPhysicalCameraId(java.lang.String)"><code>setPhysicalCameraId()</code></a> 单独控制各个物理设备。可以通过调用 <a href="https://developer.android.com/reference/android/hardware/camera2/TotalCaptureResult.html#getPhysicalCameraResults()"><code>getPhysicalCameraResults()</code></a> 从完整结果中查询此类单个请求的结果。</p> +<p>摄像头客户端可以通过调用 <a href="https://developer.android.com/reference/android/hardware/camera2/CameraCharacteristics.html#getPhysicalCameraIds()" class="external"><code>getPhysicalCameraIds()</code></a>，查询构成特定逻辑摄像头的物理设备的摄像头 ID。随结果返回的 ID 之后会用于通过 <a href="https://developer.android.com/reference/android/hardware/camera2/params/OutputConfiguration.html#setPhysicalCameraId(java.lang.String)" class="external"><code>setPhysicalCameraId()</code></a> 单独控制各个物理设备。可以通过调用 <a href="https://developer.android.com/reference/android/hardware/camera2/TotalCaptureResult.html#getPhysicalCameraResults()" class="external"><code>getPhysicalCameraResults()</code></a> 从完整结果中查询此类单个请求的结果。</p> -<p>单个物理摄像头请求可能仅支持有限的部分参数。要接收受支持参数的列表，开发者可以调用 <a href="https://developer.android.com/reference/android/hardware/camera2/CameraCharacteristics.html#getAvailablePhysicalCameraRequestKeys()"><code>getAvailablePhysicalCameraRequestKeys()</code></a>。</p> +<p>单个物理摄像头请求可能仅支持有限的部分参数。要获得受支持参数的列表，开发者可以调用 <a href="https://developer.android.com/reference/android/hardware/camera2/CameraCharacteristics.html#getAvailablePhysicalCameraRequestKeys()" class="external"><code>getAvailablePhysicalCameraRequestKeys()</code></a>。</p> <p>只有非重新处理请求以及单色和 Bayer 传感器支持物理摄像头信息流。</p> @@ -49,24 +49,24 @@ <p>要在 HAL 端添加逻辑多摄像头设备，请执行以下操作：</p> <ul> -<li>为由两个或两个以上物理摄像头（这些摄像头也会提供给应用）提供支持的任何逻辑摄像头设备添加 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#232"><code>ANDROID_REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA</code></a> 功能。</li> -<li>使用物理摄像头 ID 列表填充静态 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#161"><code>ANDROID_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS</code></a> 元数据字段。</li> -<li>填充在物理摄像头信息流的像素之间建立关联所需的深度相关静态元数据：<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.2/types.hal#747"><code>ANDROID_LENS_POSE_ROTATION</code></a>、<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.2/types.hal#753"><code>ANDROID_LENS_POSE_TRANSLATION</code></a>、<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.2/types.hal#773"><code>ANDROID_LENS_INTRINSIC_CALIBRATION</code></a>、<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.2/types.hal#780"><code>ANDROID_LENS_RADIAL_DISTORTION</code></a>、<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#79"><code>ANDROID_LENS_POSE_REFERENCE</code></a></li> -<li><p>将静态 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#167"><code>ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE</code></a> 元数据字段设置为：</p> +<li>为由两个或两个以上物理摄像头（这些摄像头也会提供给应用）提供支持的任何逻辑摄像头设备添加 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#232" class="external"><code>ANDROID_REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA</code></a> 功能。</li> +<li>使用物理摄像头 ID 列表填充静态 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#161" class="external"><code>ANDROID_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS</code></a> 元数据字段。</li> +<li>填充在物理摄像头信息流的像素之间建立关联所需的深度相关静态元数据：<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.2/types.hal#747" class="external"><code>ANDROID_LENS_POSE_ROTATION</code></a>、<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.2/types.hal#753" class="external"><code>ANDROID_LENS_POSE_TRANSLATION</code></a>、<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.2/types.hal#773" class="external"><code>ANDROID_LENS_INTRINSIC_CALIBRATION</code></a>、<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.2/types.hal#780" class="external"><code>ANDROID_LENS_RADIAL_DISTORTION</code></a>、<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#79" class="external"><code>ANDROID_LENS_POSE_REFERENCE</code></a>。</li> +<li><p>将静态 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#167" class="external"><code>ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE</code></a> 元数据字段设置为：</p> <ul> -<li><a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#256"><code>ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_APPROXIMATE</code></a>：对于主主模式下的传感器，不执行硬件快门/曝光同步。</li> -<li><a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#257"><code>ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_CALIBRATED</code></a>：对于主从模式下的传感器，执行硬件快门/曝光同步。</li> +<li><a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#256" class="external"><code>ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_APPROXIMATE</code></a>：对于主主模式下的传感器，不执行硬件快门/曝光同步。</li> +<li><a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#257" class="external"><code>ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_CALIBRATED</code></a>：对于主从模式下的传感器，执行硬件快门/曝光同步。</li> </ul></li> -<li><p>使用各个物理摄像头支持的参数列表填充 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#106"><code>ANDROID_REQUEST_AVAILABLE_PHYSICAL_CAMERA_REQUEST_KEYS</code></a>。如果逻辑设备不支持单个请求，则列表可以为空。</p></li> -<li><p>如果支持单个请求，则处理并应用可以在捕获请求中到达的各个 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/device/3.4/types.hal#226"><code>physicalCameraSettings</code></a>，并相应地附加单个 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/device/3.4/types.hal#289"><code>physicalCameraMetadata</code></a>。</p></li> +<li><p>使用各个物理摄像头支持的参数列表填充 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/metadata/3.3/types.hal#106" class="external"><code>ANDROID_REQUEST_AVAILABLE_PHYSICAL_CAMERA_REQUEST_KEYS</code></a>。如果逻辑设备不支持单个请求，则列表可以为空。</p></li> +<li><p>如果支持单个请求，则处理并应用可以在捕获请求中到达的各个 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/device/3.4/types.hal#226" class="external"><code>physicalCameraSettings</code></a>，并相应地附加单个 <a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/camera/device/3.4/types.hal#289" class="external"><code>physicalCameraMetadata</code></a>。</p></li> </ul> <p>摄像头设备必须支持将一个逻辑 YUV/RAW 信息流替换为两个物理摄像头中大小（除 RAW 大小外）和格式相同的物理信息流。</p> <h3 id="stream_configuration_map">信息流配置映射</h3> -<p>对于逻辑摄像头，特定硬件级别的摄像头设备的强制性信息流组合与 <a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice.html#createCaptureSession(java.util.List%3Candroid.view.Surface%3E,%20android.hardware.camera2.CameraCaptureSession.StateCallback,%20android.os.Handler)"><code>CameraDevice.createCaptureSession</code></a> 中所需的相同。信息流配置映射中的所有信息流都应该是融合/逻辑框架。</p> +<p>对于逻辑摄像头，特定硬件级别的摄像头设备的强制性信息流组合与 <a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice.html#createCaptureSession(java.util.List%3Candroid.view.Surface%3E,%20android.hardware.camera2.CameraCaptureSession.StateCallback,%20android.os.Handler)" class="external"><code>CameraDevice.createCaptureSession</code></a> 中所需的相同。信息流配置映射中的所有信息流都应该是融合/逻辑框架。</p> <p>如果某些信息流组合无法融合，则不应包含在逻辑摄像头的信息流配置映射中。但是，应用可以查找单个物理摄像头的信息流配置映射，并使用物理摄像头 ID 配置信息流。</p> @@ -76,7 +76,7 @@ <h3 id="guaranteed_stream_combination">有保证的信息流组合</h3> -<p>逻辑摄像头及其底层物理摄像头都必须保证其设备级别所需的<a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice#createcapturesession_4">强制性信息流组合</a>。</p> +<p>逻辑摄像头及其底层物理摄像头都必须保证其设备级别所需的<a href="https://developer.android.com/reference/android/hardware/camera2/CameraDevice#createcapturesession_4" class="external">强制性信息流组合</a>。</p> <p>逻辑摄像头设备的运行方式应该与物理摄像头设备相同，具体取决于其硬件级别和功能。建议将其特征集设为单个物理摄像头的特征集的超集。</p> @@ -117,20 +117,20 @@ <h2 id="validation">验证</h2> -<p>逻辑多摄像头设备必须像任何其他普通摄像头一样通过摄像头 CTS。可以在 <a href="https://android.googlesource.com/platform/cts/+/master/tests/camera/src/android/hardware/camera2/cts/"><code>LogicalCameraDeviceTest</code></a> 模块中找到针对此类设备的测试用例。</p> +<p>逻辑多摄像头设备必须像任何其他普通摄像头一样通过摄像头 CTS 测试。可以在 <a href="https://android.googlesource.com/platform/cts/+/master/tests/camera/src/android/hardware/camera2/cts/" class="external"><code>LogicalCameraDeviceTest</code></a> 模块中找到针对此类设备的测试用例。</p> <p>以下三个 ITS 测试针对多摄像头系统，以便于正确融合图像：</p> <ul> -<li><a href="https://android.googlesource.com/platform/cts/+/master/apps/CameraITS/tests/scene1/"><code>scene1/test_multi_camera_match.py</code></a></li> -<li><a href="https://android.googlesource.com/platform/cts/+/master/apps/CameraITS/tests/scene4/"><code>scene4/test_multi_camera_alignment.py</code></a></li> -<li><a href="https://android.googlesource.com/platform/cts/+/master/apps/CameraITS/tests/sensor_fusion/"><code>sensor_fusion/test_multi_camera_frame_sync.py</code></a></li> +<li><a href="https://android.googlesource.com/platform/cts/+/master/apps/CameraITS/tests/scene1/" class="external"><code>scene1/test_multi_camera_match.py</code></a> </li> +<li><a href="https://android.googlesource.com/platform/cts/+/master/apps/CameraITS/tests/scene4/" class="external"><code>scene4/test_multi_camera_alignment.py</code></a> </li> +<li><a href="https://android.googlesource.com/platform/cts/+/master/apps/CameraITS/tests/sensor_fusion/" class="external"><code>sensor_fusion/test_multi_camera_frame_sync.py</code></a> </li> </ul> <p>scene1 和 scene4 测试使用<a href="/compatibility/cts/camera-its-box">盒装 ITS</a> 测试装置运行。当两个摄像头都启用时，<code>test_multi_camera_match</code> 测试会声明图像中心的亮度匹配。<code>test_multi_camera_alignment</code> 测试会声明摄像头间距、方向和失真参数已正确加载。如果多摄像头系统包含广视野摄像头（大于 90o），则需要 rev2 版 ITS 包装盒。</p> <p><code>Sensor_fusion</code> 是另一个测试装置，它可以实现规定的重复手机动作，并声明陀螺仪和图像传感器时间戳匹配以及多摄像头帧保持同步。</p> -<p>所有包装盒都由 AcuSpec, Inc.（<a href="http://www.acuspecinc.com">www.acuspecinc.com</a>，fred@acuspecinc.com）和 MYWAY Manufacturing（<a href="http://www.myway.tw">www.myway.tw</a>，sales@myway.tw）提供。此外，rev1 ITS 包装盒可通过 West-Mark（<a href="http://www.west-mark.com">www.west-mark.com</a>，dgoodman@west-mark.com）购买。</p> +<p>所有测试盒都由 AcuSpec, Inc.（<a href="http://www.acuspecinc.com" class="external">www.acuspecinc.com</a>，fred@acuspecinc.com）和 MYWAY Manufacturing（<a href="http://www.myway.tw" class="external">www.myway.tw</a>，sales@myway.tw）提供。此外，rev1 ITS 测试盒可通过 West-Mark（<a href="http://www.west-mark.com" class="external">www.west-mark.com</a>，dgoodman@west-mark.com）购买。</p> </body></html>
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