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Diffstat (limited to 'services/camera/libcameraservice/device3/Camera3OutputStream.h')
-rw-r--r-- | services/camera/libcameraservice/device3/Camera3OutputStream.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/services/camera/libcameraservice/device3/Camera3OutputStream.h b/services/camera/libcameraservice/device3/Camera3OutputStream.h new file mode 100644 index 0000000..6cbb9f4 --- /dev/null +++ b/services/camera/libcameraservice/device3/Camera3OutputStream.h @@ -0,0 +1,104 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * 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. + */ + +#ifndef ANDROID_SERVERS_CAMERA3_OUTPUT_STREAM_H +#define ANDROID_SERVERS_CAMERA3_OUTPUT_STREAM_H + +#include <utils/RefBase.h> +#include <gui/Surface.h> + +#include "Camera3Stream.h" +#include "Camera3IOStreamBase.h" +#include "Camera3OutputStreamInterface.h" + +namespace android { + +namespace camera3 { + +/** + * A class for managing a single stream of output data from the camera device. + */ +class Camera3OutputStream : + public Camera3IOStreamBase, + public Camera3OutputStreamInterface { + public: + /** + * Set up a stream for formats that have 2 dimensions, such as RAW and YUV. + */ + Camera3OutputStream(int id, sp<ANativeWindow> consumer, + uint32_t width, uint32_t height, int format); + + /** + * Set up a stream for formats that have a variable buffer size for the same + * dimensions, such as compressed JPEG. + */ + Camera3OutputStream(int id, sp<ANativeWindow> consumer, + uint32_t width, uint32_t height, size_t maxSize, int format); + + virtual ~Camera3OutputStream(); + + /** + * Camera3Stream interface + */ + + virtual void dump(int fd, const Vector<String16> &args) const; + + /** + * Set the transform on the output stream; one of the + * HAL_TRANSFORM_* / NATIVE_WINDOW_TRANSFORM_* constants. + */ + status_t setTransform(int transform); + + protected: + Camera3OutputStream(int id, camera3_stream_type_t type, + uint32_t width, uint32_t height, int format); + + /** + * Note that we release the lock briefly in this function + */ + virtual status_t returnBufferCheckedLocked( + const camera3_stream_buffer &buffer, + nsecs_t timestamp, + bool output, + /*out*/ + sp<Fence> *releaseFenceOut); + + sp<ANativeWindow> mConsumer; + private: + int mTransform; + + virtual status_t setTransformLocked(int transform); + + /** + * Internal Camera3Stream interface + */ + virtual status_t getBufferLocked(camera3_stream_buffer *buffer); + virtual status_t returnBufferLocked( + const camera3_stream_buffer &buffer, + nsecs_t timestamp); + + virtual status_t configureQueueLocked(); + virtual status_t disconnectLocked(); + + virtual status_t getEndpointUsage(uint32_t *usage); + +}; // class Camera3OutputStream + +} // namespace camera3 + +} // namespace android + +#endif |