/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
UINT tsmf_ifman_notify_preroll(TSMF_IFMAN* ifman)
{
DEBUG_TSMF("");
tsmf_ifman_on_playback_paused(ifman);
ifman->output_pending = TRUE;
return CHANNEL_RC_OK;
}
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;
}