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// vim:expandtab:shiftwidth=2:tabstop=2:
// Copyright (C) 2015-2016 Canonical Ltd.
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
// USA
#include "oxide_video_capture_device_factory_linux.h"
#include <libintl.h>
#include <utility>
#include "base/logging.h"
#include "media/capture/video/video_capture_device.h"
#if defined(ENABLE_HYBRIS_CAMERA)
#include <algorithm>
#include <hybris/camera/camera_compatibility_layer.h>
#include <hybris/camera/camera_compatibility_layer_capabilities.h>
#include "base/bind.h"
#include "base/callback.h"
#include "base/memory/ptr_util.h"
#include "base/strings/stringprintf.h"
#include "shared/browser/oxide_hybris_utils.h"
#include "oxide_video_capture_device_hybris.h"
#endif
namespace oxide {
namespace {
#if defined(ENABLE_HYBRIS_CAMERA)
const char* GetDeviceNameFromCameraType(CameraType type) {
switch (type) {
case BACK_FACING_CAMERA_TYPE:
return dgettext(OXIDE_GETTEXT_DOMAIN, "Rear camera");
case FRONT_FACING_CAMERA_TYPE:
return dgettext(OXIDE_GETTEXT_DOMAIN, "Front camera");
}
NOTREACHED();
return "";
}
std::unique_ptr<media::VideoCaptureDevice::Names> GetDeviceNamesFromHybris() {
DCHECK(HybrisUtils::IsCameraCompatAvailable());
int32_t number_of_devices = android_camera_get_number_of_devices();
std::unique_ptr<media::VideoCaptureDevice::Names> names(
new media::VideoCaptureDevice::Names());
for (int32_t camera_id = 0; camera_id < number_of_devices; ++camera_id) {
CameraType type;
int orientation;
if (android_camera_get_device_info(camera_id,
reinterpret_cast<int*>(&type),
&orientation) != 0) {
LOG(ERROR) <<
"Failed to get device info for camera with ID " << camera_id;
continue;
}
std::string device_id =
base::StringPrintf("%s%d",
VideoCaptureDeviceHybris::GetDeviceIdPrefix(),
camera_id);
names->push_back(
media::VideoCaptureDevice::Name(
// XXX: We should append an integer to this when there are multiple
// cameras facing the same direction
GetDeviceNameFromCameraType(type),
device_id,
media::VideoCaptureDevice::Name::API_TYPE_UNKNOWN));
}
return names;
}
bool IsDeviceNameIn(const media::VideoCaptureDevice::Name& name,
media::VideoCaptureDevice::Names* names) {
return std::find_if(
names->begin(),
names->end(),
[name](const media::VideoCaptureDevice::Name& i) {
return name.id() == i.id();
}) != names->end();
}
#endif
}
std::unique_ptr<media::VideoCaptureDevice>
VideoCaptureDeviceFactoryLinux::Create(
const media::VideoCaptureDevice::Name& device_name) {
#if defined(ENABLE_HYBRIS_CAMERA)
if (!HybrisUtils::IsCameraCompatAvailable()) {
return delegate_->Create(device_name);
}
std::unique_ptr<media::VideoCaptureDevice::Names> names =
GetDeviceNamesFromHybris();
if (!names) {
return nullptr;
}
if (!IsDeviceNameIn(device_name, names.get())) {
return nullptr;
}
return base::WrapUnique(new VideoCaptureDeviceHybris(device_name));
#else
return delegate_->Create(device_name);
#endif
}
void VideoCaptureDeviceFactoryLinux::EnumerateDeviceNames(
const EnumerateDevicesCallback& callback) {
#if defined(ENABLE_HYBRIS_CAMERA)
if (HybrisUtils::IsCameraCompatAvailable()) {
std::unique_ptr<media::VideoCaptureDevice::Names> names =
GetDeviceNamesFromHybris();
callback.Run(std::move(names));
} else
#endif
{
delegate_->EnumerateDeviceNames(callback);
}
}
void VideoCaptureDeviceFactoryLinux::GetDeviceSupportedFormats(
const media::VideoCaptureDevice::Name& device,
media::VideoCaptureFormats* supported_formats) {
#if defined(ENABLE_HYBRIS_CAMERA)
if (HybrisUtils::IsCameraCompatAvailable()) {
return;
}
#endif
delegate_->GetDeviceSupportedFormats(device, supported_formats);
}
void VideoCaptureDeviceFactoryLinux::GetDeviceNames(
media::VideoCaptureDevice::Names* device_names) {
NOTREACHED();
}
VideoCaptureDeviceFactoryLinux::VideoCaptureDeviceFactoryLinux(
std::unique_ptr<media::VideoCaptureDeviceFactory> delegate)
: delegate_(std::move(delegate)) {}
VideoCaptureDeviceFactoryLinux::~VideoCaptureDeviceFactoryLinux() {}
} // namespace oxide
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