FreeRDP/channels/drdynvc/tsmf/tsmf_main.c

444 lines
11 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol client.
* Video Redirection Virtual Channel
*
* Copyright 2010-2011 Vic Lee
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <freerdp/utils/memory.h>
#include <freerdp/utils/stream.h>
#include "drdynvc_types.h"
#include "tsmf_constants.h"
#include "tsmf_ifman.h"
#include "tsmf_media.h"
#include "tsmf_main.h"
typedef struct _TSMF_LISTENER_CALLBACK TSMF_LISTENER_CALLBACK;
typedef struct _TSMF_CHANNEL_CALLBACK TSMF_CHANNEL_CALLBACK;
typedef struct _TSMF_PLUGIN TSMF_PLUGIN;
struct _TSMF_LISTENER_CALLBACK
{
IWTSListenerCallback iface;
IWTSPlugin* plugin;
IWTSVirtualChannelManager* channel_mgr;
};
struct _TSMF_CHANNEL_CALLBACK
{
IWTSVirtualChannelCallback iface;
IWTSPlugin* plugin;
IWTSVirtualChannelManager* channel_mgr;
IWTSVirtualChannel* channel;
uint8 presentation_id[16];
uint32 stream_id;
};
struct _TSMF_PLUGIN
{
IWTSPlugin iface;
TSMF_LISTENER_CALLBACK* listener_callback;
const char* decoder_name;
const char* audio_name;
const char* audio_device;
};
void tsmf_playback_ack(IWTSVirtualChannelCallback* pChannelCallback,
uint32 message_id, uint64 duration, uint32 data_size)
{
STREAM* s;
int error;
TSMF_CHANNEL_CALLBACK* callback = (TSMF_CHANNEL_CALLBACK*) pChannelCallback;
s = stream_new(32);
stream_write_uint32(s, TSMF_INTERFACE_CLIENT_NOTIFICATIONS | STREAM_ID_PROXY);
stream_write_uint32(s, message_id);
stream_write_uint32(s, PLAYBACK_ACK); /* FunctionId */
stream_write_uint32(s, callback->stream_id); /* StreamId */
stream_write_uint64(s, duration); /* DataDuration */
stream_write_uint64(s, data_size); /* cbData */
DEBUG_DVC("response size %d", stream_get_length(s));
error = callback->channel->Write(callback->channel, stream_get_length(s), stream_get_head(s), NULL);
if (error)
{
DEBUG_WARN("response error %d", error);
}
stream_free(s);
}
boolean tsmf_push_event(IWTSVirtualChannelCallback* pChannelCallback,
RDP_EVENT* event)
{
int error;
TSMF_CHANNEL_CALLBACK* callback = (TSMF_CHANNEL_CALLBACK*) pChannelCallback;
error = callback->channel_mgr->PushEvent(callback->channel_mgr, event);
if (error)
{
DEBUG_WARN("response error %d", error);
return false;
}
return true;
}
static int tsmf_on_data_received(IWTSVirtualChannelCallback* pChannelCallback,
uint32 cbSize,
uint8* pBuffer)
{
int length;
STREAM* input;
STREAM* output;
int error = -1;
TSMF_IFMAN ifman;
uint32 MessageId;
uint32 FunctionId;
uint32 InterfaceId;
TSMF_CHANNEL_CALLBACK* callback = (TSMF_CHANNEL_CALLBACK*) pChannelCallback;
/* 2.2.1 Shared Message Header (SHARED_MSG_HEADER) */
if (cbSize < 12)
{
DEBUG_WARN("invalid size. cbSize=%d", cbSize);
return 1;
}
input = stream_new(0);
stream_attach(input, (uint8*) pBuffer, cbSize);
output = stream_new(256);
stream_seek(output, 8);
stream_read_uint32(input, InterfaceId);
stream_read_uint32(input, MessageId);
stream_read_uint32(input, FunctionId);
DEBUG_DVC("cbSize=%d InterfaceId=0x%X MessageId=0x%X FunctionId=0x%X",
cbSize, InterfaceId, MessageId, FunctionId);
memset(&ifman, 0, sizeof(TSMF_IFMAN));
ifman.channel_callback = pChannelCallback;
ifman.decoder_name = ((TSMF_PLUGIN*) callback->plugin)->decoder_name;
ifman.audio_name = ((TSMF_PLUGIN*) callback->plugin)->audio_name;
ifman.audio_device = ((TSMF_PLUGIN*) callback->plugin)->audio_device;
memcpy(ifman.presentation_id, callback->presentation_id, 16);
ifman.stream_id = callback->stream_id;
ifman.message_id = MessageId;
ifman.input = input;
ifman.input_size = cbSize - 12;
ifman.output = output;
ifman.output_pending = false;
ifman.output_interface_id = InterfaceId;
switch (InterfaceId)
{
case TSMF_INTERFACE_CAPABILITIES | STREAM_ID_NONE:
switch (FunctionId)
{
case RIM_EXCHANGE_CAPABILITY_REQUEST:
error = tsmf_ifman_rim_exchange_capability_request(&ifman);
break;
default:
break;
}
break;
case TSMF_INTERFACE_DEFAULT | STREAM_ID_PROXY:
switch (FunctionId)
{
case SET_CHANNEL_PARAMS:
memcpy(callback->presentation_id, stream_get_tail(input), 16);
stream_seek(input, 16);
stream_read_uint32(input, callback->stream_id);
DEBUG_DVC("SET_CHANNEL_PARAMS StreamId=%d", callback->stream_id);
ifman.output_pending = true;
error = 0;
break;
case EXCHANGE_CAPABILITIES_REQ:
error = tsmf_ifman_exchange_capability_request(&ifman);
break;
case CHECK_FORMAT_SUPPORT_REQ:
error = tsmf_ifman_check_format_support_request(&ifman);
break;
case ON_NEW_PRESENTATION:
error = tsmf_ifman_on_new_presentation(&ifman);
break;
case ADD_STREAM:
error = tsmf_ifman_add_stream(&ifman);
break;
case SET_TOPOLOGY_REQ:
error = tsmf_ifman_set_topology_request(&ifman);
break;
case REMOVE_STREAM:
error = tsmf_ifman_remove_stream(&ifman);
break;
case SHUTDOWN_PRESENTATION_REQ:
error = tsmf_ifman_shutdown_presentation(&ifman);
break;
case ON_STREAM_VOLUME:
error = tsmf_ifman_on_stream_volume(&ifman);
break;
case ON_CHANNEL_VOLUME:
error = tsmf_ifman_on_channel_volume(&ifman);
break;
case SET_VIDEO_WINDOW:
error = tsmf_ifman_set_video_window(&ifman);
break;
case UPDATE_GEOMETRY_INFO:
error = tsmf_ifman_update_geometry_info(&ifman);
break;
case SET_ALLOCATOR:
error = tsmf_ifman_set_allocator(&ifman);
break;
case NOTIFY_PREROLL:
error = tsmf_ifman_notify_preroll(&ifman);
break;
case ON_SAMPLE:
error = tsmf_ifman_on_sample(&ifman);
break;
case ON_FLUSH:
error = tsmf_ifman_on_flush(&ifman);
break;
case ON_END_OF_STREAM:
error = tsmf_ifman_on_end_of_stream(&ifman);
break;
case ON_PLAYBACK_STARTED:
error = tsmf_ifman_on_playback_started(&ifman);
break;
case ON_PLAYBACK_PAUSED:
error = tsmf_ifman_on_playback_paused(&ifman);
break;
case ON_PLAYBACK_RESTARTED:
error = tsmf_ifman_on_playback_restarted(&ifman);
break;
case ON_PLAYBACK_STOPPED:
error = tsmf_ifman_on_playback_stopped(&ifman);
break;
case ON_PLAYBACK_RATE_CHANGED:
error = tsmf_ifman_on_playback_rate_changed(&ifman);
break;
default:
break;
}
break;
default:
break;
}
stream_detach(input);
stream_free(input);
input = NULL;
ifman.input = NULL;
if (error == -1)
{
switch (FunctionId)
{
case RIMCALL_RELEASE:
/* [MS-RDPEXPS] 2.2.2.2 Interface Release (IFACE_RELEASE)
This message does not require a reply. */
error = 0;
ifman.output_pending = 1;
break;
case RIMCALL_QUERYINTERFACE:
/* [MS-RDPEXPS] 2.2.2.1.2 Query Interface Response (QI_RSP)
This message is not supported in this channel. */
error = 0;
break;
}
if (error == -1)
{
DEBUG_WARN("InterfaceId 0x%X FunctionId 0x%X not processed.",
InterfaceId, FunctionId);
/* When a request is not implemented we return empty response indicating error */
}
error = 0;
}
if (error == 0 && !ifman.output_pending)
{
/* Response packet does not have FunctionId */
length = stream_get_length(output);
stream_set_pos(output, 0);
stream_write_uint32(output, ifman.output_interface_id);
stream_write_uint32(output, MessageId);
DEBUG_DVC("response size %d", length);
error = callback->channel->Write(callback->channel, length, stream_get_head(output), NULL);
if (error)
{
DEBUG_WARN("response error %d", error);
}
}
stream_free(output);
return error;
}
static int tsmf_on_close(IWTSVirtualChannelCallback* pChannelCallback)
{
TSMF_STREAM* stream;
TSMF_PRESENTATION* presentation;
TSMF_CHANNEL_CALLBACK* callback = (TSMF_CHANNEL_CALLBACK*) pChannelCallback;
DEBUG_DVC("");
if (callback->stream_id)
{
presentation = tsmf_presentation_find_by_id(callback->presentation_id);
if (presentation)
{
stream = tsmf_stream_find_by_id(presentation, callback->stream_id);
if (stream)
tsmf_stream_free(stream);
}
}
xfree(pChannelCallback);
return 0;
}
static int tsmf_on_new_channel_connection(IWTSListenerCallback* pListenerCallback,
IWTSVirtualChannel* pChannel,
uint8* Data,
int* pbAccept,
IWTSVirtualChannelCallback** ppCallback)
{
TSMF_CHANNEL_CALLBACK* callback;
TSMF_LISTENER_CALLBACK* listener_callback = (TSMF_LISTENER_CALLBACK*) pListenerCallback;
DEBUG_DVC("");
callback = xnew(TSMF_CHANNEL_CALLBACK);
callback->iface.OnDataReceived = tsmf_on_data_received;
callback->iface.OnClose = tsmf_on_close;
callback->plugin = listener_callback->plugin;
callback->channel_mgr = listener_callback->channel_mgr;
callback->channel = pChannel;
*ppCallback = (IWTSVirtualChannelCallback*) callback;
return 0;
}
static int tsmf_plugin_initialize(IWTSPlugin* pPlugin, IWTSVirtualChannelManager* pChannelMgr)
{
TSMF_PLUGIN* tsmf = (TSMF_PLUGIN*) pPlugin;
DEBUG_DVC("");
tsmf->listener_callback = xnew(TSMF_LISTENER_CALLBACK);
tsmf->listener_callback->iface.OnNewChannelConnection = tsmf_on_new_channel_connection;
tsmf->listener_callback->plugin = pPlugin;
tsmf->listener_callback->channel_mgr = pChannelMgr;
return pChannelMgr->CreateListener(pChannelMgr, "TSMF", 0,
(IWTSListenerCallback*) tsmf->listener_callback, NULL);
}
static int tsmf_plugin_terminated(IWTSPlugin* pPlugin)
{
TSMF_PLUGIN* tsmf = (TSMF_PLUGIN*) pPlugin;
DEBUG_DVC("");
if (tsmf->listener_callback)
xfree(tsmf->listener_callback);
xfree(tsmf);
return 0;
}
static void tsmf_process_plugin_data(IWTSPlugin* pPlugin, RDP_PLUGIN_DATA* data)
{
TSMF_PLUGIN* tsmf = (TSMF_PLUGIN*) pPlugin;
if (data->data[0] && strcmp((char*)data->data[0], "tsmf") == 0)
{
if (data->data[1] && strcmp((char*)data->data[1], "decoder") == 0)
{
tsmf->decoder_name = data->data[2];
}
else if (data->data[1] && strcmp((char*)data->data[1], "audio") == 0)
{
tsmf->audio_name = data->data[2];
tsmf->audio_device = data->data[3];
}
}
}
int DVCPluginEntry(IDRDYNVC_ENTRY_POINTS* pEntryPoints)
{
TSMF_PLUGIN * tsmf;
int error = 0;
tsmf = (TSMF_PLUGIN*) pEntryPoints->GetPlugin(pEntryPoints, "tsmf");
if (tsmf == NULL)
{
tsmf = xnew(TSMF_PLUGIN);
tsmf->iface.Initialize = tsmf_plugin_initialize;
tsmf->iface.Connected = NULL;
tsmf->iface.Disconnected = NULL;
tsmf->iface.Terminated = tsmf_plugin_terminated;
error = pEntryPoints->RegisterPlugin(pEntryPoints, "tsmf", (IWTSPlugin*) tsmf);
tsmf_media_init();
}
if (error == 0)
{
tsmf_process_plugin_data((IWTSPlugin*) tsmf,
pEntryPoints->GetPluginData(pEntryPoints));
}
return error;
}