MediaStreamDispatcher

content/common/media/media_stream_messages.h

+// Copyright (c) 2011 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.
+
+// IPC messages for the media streaming.
+// Multiply-included message file, hence no include guard.
+
+#include <string>
+
+#include "content/common/media/media_stream_options.h"
+#include "ipc/ipc_message_macros.h"
+
+#define IPC_MESSAGE_START MediaStreamMsgStart
+
+IPC_STRUCT_TRAITS_BEGIN(media_stream::GenerateStreamOptions)
+  IPC_STRUCT_TRAITS_MEMBER(audio)
+  IPC_STRUCT_TRAITS_MEMBER(video_options)
+IPC_STRUCT_TRAITS_END()
+
+IPC_ENUM_TRAITS(media_stream::MediaStreamType)
+
+IPC_STRUCT_TRAITS_BEGIN(media_stream::StreamDeviceInfo)
+  IPC_STRUCT_TRAITS_MEMBER(stream_type)
+  IPC_STRUCT_TRAITS_MEMBER(name)
+  IPC_STRUCT_TRAITS_MEMBER(device_id)
+  IPC_STRUCT_TRAITS_MEMBER(in_use)
+  IPC_STRUCT_TRAITS_MEMBER(session_id)
+IPC_STRUCT_TRAITS_END()
+
+// Message sent from the browser to the renderer
+
+// The browser has generated a stream successfully.
+IPC_MESSAGE_ROUTED4(MediaStreamMsg_StreamGenerated,
+                    int /* request id */,
+                    std::string /* label */,
+                    media_stream::StreamDeviceInfoArray /* audio_device_list */,
+                    media_stream::StreamDeviceInfoArray /* video_device_list */)
+
+// The browser has failed to generate a stream.
+IPC_MESSAGE_ROUTED1(MediaStreamMsg_StreamGenerationFailed,
+                    int /* request id */)
+
+// Report of a failure of a video device.
+IPC_MESSAGE_ROUTED2(MediaStreamHostMsg_VideoDeviceFailed,
+                    std::string /* label */,
+                    int /* index */)
+
+// Report of a failure of an audio device.
+IPC_MESSAGE_ROUTED2(MediaStreamHostMsg_AudioDeviceFailed,
+                    std::string /* label */,
+                    int /* index */)
+
+// Messages sent from the renderer to the browser.
+
+// Request a new media stream.
+IPC_MESSAGE_CONTROL4(MediaStreamHostMsg_GenerateStream,
+                     int /* render view id */,
+                     int /* request id */,
+                     media_stream::GenerateStreamOptions /* options */,
+                     std::string /* security origin */)
+
+// Request to stop streaming from the media stream.
+IPC_MESSAGE_CONTROL2(MediaStreamHostMsg_StopGeneratedStream,
+                     int /* render view id */,
+                     std::string /* label */)