| /* |
| * Copyright (C) 2017 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. |
| */ |
| |
| #include "android/camera/camera-virtualscene.h" |
| |
| #include "android/base/memory/LazyInstance.h" |
| #include "android/camera/camera-format-converters.h" |
| #include "android/camera/camera-virtualscene-utils.h" |
| #include "android/virtualscene/VirtualSceneManager.h" |
| #include "emugl/common/OpenGLDispatchLoader.h" |
| |
| #include <vector> |
| |
| #define E(...) derror(__VA_ARGS__) |
| #define W(...) dwarning(__VA_ARGS__) |
| #define D(...) VERBOSE_PRINT(camera, __VA_ARGS__) |
| #define D_ACTIVE VERBOSE_CHECK(camera) |
| |
| #define VIRTUALSCENE_PIXEL_FORMAT V4L2_PIX_FMT_RGB32 |
| |
| namespace android { |
| namespace virtualscene { |
| |
| class VirtualSceneRenderer : public CameraRenderer { |
| public: |
| VirtualSceneRenderer() = default; |
| ~VirtualSceneRenderer() = default; |
| bool initialize(const GLESv2Dispatch* gles2, |
| int width, |
| int height) override { |
| return VirtualSceneManager::initialize(gles2, width, height); |
| } |
| void uninitialize() override { VirtualSceneManager::uninitialize(); } |
| int64_t render() override { return VirtualSceneManager::render(); } |
| }; |
| |
| } // namespace virtualscene |
| } // namespace android |
| |
| |
| /******************************************************************************* |
| * CameraDevice API |
| ******************************************************************************/ |
| |
| using android::virtualscene::RenderedCameraDevice; |
| using android::virtualscene::VirtualSceneManager; |
| using android::virtualscene::VirtualSceneRenderer; |
| |
| static RenderedCameraDevice* toRenderedCameraDevice(CameraDevice* ccd) { |
| if (!ccd || !ccd->opaque) { |
| return nullptr; |
| } |
| |
| return reinterpret_cast<RenderedCameraDevice*>(ccd->opaque); |
| } |
| |
| void camera_virtualscene_parse_cmdline() { |
| VirtualSceneManager::parseCmdline(); |
| } |
| |
| uint32_t camera_virtualscene_preferred_format() { |
| return VIRTUALSCENE_PIXEL_FORMAT; |
| } |
| |
| CameraDevice* camera_virtualscene_open(const char* name, int inp_channel) { |
| RenderedCameraDevice* cd = new RenderedCameraDevice( |
| std::unique_ptr<VirtualSceneRenderer>(new VirtualSceneRenderer())); |
| return cd ? cd->getCameraDevice() : nullptr; |
| } |
| |
| int camera_virtualscene_start_capturing(CameraDevice* ccd, |
| uint32_t pixel_format, |
| int frame_width, |
| int frame_height) { |
| RenderedCameraDevice* cd = toRenderedCameraDevice(ccd); |
| if (!cd) { |
| E("%s: Invalid camera device descriptor", __FUNCTION__); |
| return -1; |
| } |
| |
| return cd->startCapturing(pixel_format, frame_width, frame_height); |
| } |
| |
| int camera_virtualscene_stop_capturing(CameraDevice* ccd) { |
| RenderedCameraDevice* cd = toRenderedCameraDevice(ccd); |
| if (!cd) { |
| E("%s: Invalid camera device descriptor", __FUNCTION__); |
| return -1; |
| } |
| |
| cd->stopCapturing(); |
| |
| return 0; |
| } |
| |
| int camera_virtualscene_read_frame(CameraDevice* ccd, |
| ClientFrame* result_frame, |
| float r_scale, |
| float g_scale, |
| float b_scale, |
| float exp_comp) { |
| RenderedCameraDevice* cd = toRenderedCameraDevice(ccd); |
| if (!cd) { |
| E("%s: Invalid camera device descriptor", __FUNCTION__); |
| return -1; |
| } |
| |
| return cd->readFrame(result_frame, r_scale, g_scale, b_scale, exp_comp); |
| } |
| |
| void camera_virtualscene_close(CameraDevice* ccd) { |
| RenderedCameraDevice* cd = toRenderedCameraDevice(ccd); |
| if (!cd) { |
| E("%s: Invalid camera device descriptor", __FUNCTION__); |
| return; |
| } |
| |
| delete cd; |
| } |