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// 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_STRUCT_TRAITS_BEGIN(media::VideoCaptureParams)
IPC_STRUCT_TRAITS_MEMBER(requested_format)
IPC_STRUCT_TRAITS_MEMBER(allow_resolution_change)
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_CONTROL3(VideoCaptureHostMsg_Start,
int /* device_id */,
media::VideoCaptureSessionId, /* session_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 */)
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