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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
include protocol PContent;
include protocol PBackground;
include PBackgroundSharedTypes;
using mozilla::camera::CaptureEngine from "mozilla/media/CamerasTypes.h";
namespace mozilla {
namespace camera {
// IPC analog for webrtc::VideoCaptureCapability
struct VideoCaptureCapability
{
int width;
int height;
int maxFPS;
int videoType;
bool interlaced;
};
// IPC analog for webrtc::VideoFrame
// the described buffer is transported seperately in a Shmem
// See VideoFrameUtils.h
struct VideoFrameProperties
{
// Size of image data within the ShMem,
// the ShMem is at least this large
uint32_t bufferSize;
// From webrtc::VideoFrame
uint32_t timeStamp;
int64_t ntpTimeMs;
int64_t renderTimeMs;
// See webrtc/**/rotation.h
int rotation;
int yAllocatedSize;
int uAllocatedSize;
int vAllocatedSize;
// From webrtc::VideoFrameBuffer
int width;
int height;
int yStride;
int uStride;
int vStride;
};
[ManualDealloc, ChildImpl=virtual, ParentImpl=virtual]
async protocol PCameras
{
manager PBackground;
child:
// transfers ownership of |buffer| from parent to child
async DeliverFrame(CaptureEngine capEngine, int streamId,
Shmem buffer, VideoFrameProperties props);
async DeviceChange();
async ReplyNumberOfCaptureDevices(int deviceCount);
async ReplyNumberOfCapabilities(int capabilityCount);
async ReplyAllocateCapture(int captureId);
async ReplyGetCaptureCapability(VideoCaptureCapability cap);
async ReplyGetCaptureDevice(nsCString device_name, nsCString device_id, bool scary);
async ReplyFailure();
async ReplySuccess();
async __delete__();
parent:
async NumberOfCaptureDevices(CaptureEngine engine);
async NumberOfCapabilities(CaptureEngine engine, nsCString deviceUniqueIdUTF8);
async GetCaptureCapability(CaptureEngine engine, nsCString unique_idUTF8,
int capability_number);
async GetCaptureDevice(CaptureEngine engine, int deviceIndex);
async AllocateCapture(CaptureEngine engine, nsCString unique_idUTF8,
uint64_t windowID);
async ReleaseCapture(CaptureEngine engine, int captureId);
async StartCapture(CaptureEngine engine, int captureId,
VideoCaptureCapability capability);
async FocusOnSelectedSource(CaptureEngine engine, int captureId);
async StopCapture(CaptureEngine engine, int captureId);
// transfers frame back
async ReleaseFrame(Shmem s);
// setup camera engine
async EnsureInitialized(CaptureEngine engine);
};
} // namespace camera
} // namespace mozilla
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