| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/memory/shared_memory.h" |
| #include "content/common/content_export.h" |
| #include "content/common/media/video_capture.h" |
| #include "content/public/common/common_param_traits.h" |
| #include "ipc/ipc_message_macros.h" |
| #include "media/video/capture/video_capture_types.h" |
| |
| #undef IPC_MESSAGE_EXPORT |
| #define IPC_MESSAGE_EXPORT CONTENT_EXPORT |
| #define IPC_MESSAGE_START VideoCaptureMsgStart |
| |
| IPC_ENUM_TRAITS(content::VideoCaptureState) |
| IPC_ENUM_TRAITS_MAX_VALUE(media::VideoCaptureResolutionType, |
| media::MaxVideoCaptureResolutionType - 1) |
| |
| IPC_STRUCT_TRAITS_BEGIN(media::VideoCaptureParams) |
| IPC_STRUCT_TRAITS_MEMBER(session_id) |
| IPC_STRUCT_TRAITS_MEMBER(requested_format) |
| IPC_STRUCT_TRAITS_END() |
| |
| // TODO(nick): device_id in these messages is basically just a route_id. We |
| // should shift to IPC_MESSAGE_ROUTED and use MessageRouter in the filter impls. |
| |
| // Notify the renderer process about the state update such as |
| // Start/Pause/Stop. |
| IPC_MESSAGE_CONTROL2(VideoCaptureMsg_StateChanged, |
| int /* device id */, |
| content::VideoCaptureState /* new state */) |
| |
| // Tell the renderer process that a new buffer is allocated for video capture. |
| IPC_MESSAGE_CONTROL4(VideoCaptureMsg_NewBuffer, |
| int /* device id */, |
| base::SharedMemoryHandle /* handle */, |
| int /* length */, |
| int /* buffer_id */) |
| |
| // Tell the renderer process that it should release a buffer previously |
| // allocated by VideoCaptureMsg_NewBuffer. |
| IPC_MESSAGE_CONTROL2(VideoCaptureMsg_FreeBuffer, |
| int /* device id */, |
| int /* buffer_id */) |
| |
| // Tell the renderer process that a buffer is available from video capture. |
| IPC_MESSAGE_CONTROL4(VideoCaptureMsg_BufferReady, |
| int /* device id */, |
| int /* buffer_id */, |
| base::Time /* timestamp */, |
| media::VideoCaptureFormat /* resolution */) |
| |
| // Start a video capture as |device_id|, a new id picked by the renderer |
| // process. The session to be started is determined by |params.session_id|. |
| IPC_MESSAGE_CONTROL2(VideoCaptureHostMsg_Start, |
| int /* device_id */, |
| media::VideoCaptureParams /* params */) |
| |
| // Pause the video capture specified by |device_id|. |
| IPC_MESSAGE_CONTROL1(VideoCaptureHostMsg_Pause, |
| int /* device_id */) |
| |
| // Close the video capture specified by |device_id|. |
| IPC_MESSAGE_CONTROL1(VideoCaptureHostMsg_Stop, |
| int /* device_id */) |
| |
| // Tell the browser process that the renderer has finished reading from |
| // a buffer previously delivered by VideoCaptureMsg_BufferReady. |
| IPC_MESSAGE_CONTROL2(VideoCaptureHostMsg_BufferReady, |
| int /* device_id */, |
| int /* buffer_id */) |