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mf: Handle basic case of sample request/response. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-03-13 15:34:33 +03:00 committed by Alexandre Julliard
parent 38f94b4812
commit 321484d115
1 changed files with 161 additions and 1 deletions
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162
dlls/mf/session.c
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@ -115,6 +115,7 @@ struct topo_node
struct list entry;
MF_TOPOLOGY_TYPE type;
TOPOID node_id;
IMFTopologyNode *node;
enum object_state state;
union
{
@ -129,8 +130,12 @@ struct topo_node
struct
{
IMFMediaSource *source;
DWORD stream_id;
unsigned int stream_id;
} source;
struct
{
unsigned int requests;
} sink;
} u;
};
@ -624,6 +629,8 @@ static void release_topo_node(struct topo_node *node)
if (node->object.object)
IUnknown_Release(node->object.object);
if (node->node)
IMFTopologyNode_Release(node->node);
heap_free(node);
}
@ -951,6 +958,8 @@ static HRESULT session_append_node(struct media_session *session, IMFTopologyNod
IMFTopologyNode_GetNodeType(node, &topo_node->type);
IMFTopologyNode_GetTopoNodeID(node, &topo_node->node_id);
topo_node->node = node;
IMFTopologyNode_AddRef(topo_node->node);
switch (topo_node->type)
{
@ -2055,6 +2064,145 @@ static void session_set_sink_stream_state(struct media_session *session, IMFStre
}
}
static struct topo_node *session_get_node_by_id(struct media_session *session, TOPOID id)
{
struct topo_node *node;
LIST_FOR_EACH_ENTRY(node, &session->presentation.nodes, struct topo_node, entry)
{
if (node->node_id == id)
return node;
}
return NULL;
}
static HRESULT session_request_sample_from_node(struct media_session *session, IMFTopologyNode *upstream_node,
DWORD upsteam_output)
{
MF_TOPOLOGY_TYPE upstream_type;
struct topo_node *node;
TOPOID upstream_id;
HRESULT hr;
IMFTopologyNode_GetNodeType(upstream_node, &upstream_type);
IMFTopologyNode_GetTopoNodeID(upstream_node, &upstream_id);
node = session_get_node_by_id(session, upstream_id);
switch (upstream_type)
{
case MF_TOPOLOGY_SOURCESTREAM_NODE:
if (FAILED(hr = IMFMediaStream_RequestSample(node->object.source_stream, NULL)))
WARN("Sample request failed, hr %#x.\n", hr);
break;
case MF_TOPOLOGY_TRANSFORM_NODE:
case MF_TOPOLOGY_TEE_NODE:
FIXME("Unhandled upstream node type %d.\n", upstream_type);
default:
hr = E_UNEXPECTED;
}
return hr;
}
static void session_request_sample(struct media_session *session, IMFStreamSink *sink_stream)
{
struct topo_node *sink_node = NULL, *node;
IMFTopologyNode *upstream_node;
DWORD upstream_output;
HRESULT hr;
LIST_FOR_EACH_ENTRY(node, &session->presentation.nodes, struct topo_node, entry)
{
if (node->type == MF_TOPOLOGY_OUTPUT_NODE && node->object.sink_stream == sink_stream)
{
sink_node = node;
break;
}
}
if (!sink_node)
return;
if (FAILED(hr = IMFTopologyNode_GetInput(sink_node->node, 0, &upstream_node, &upstream_output)))
{
WARN("Failed to get upstream node connection, hr %#x.\n", hr);
return;
}
if (SUCCEEDED(session_request_sample_from_node(session, upstream_node, upstream_output)))
sink_node->u.sink.requests++;
IMFTopologyNode_Release(upstream_node);
}
static void session_deliver_sample_to_node(struct media_session *session, IMFTopologyNode *downstream_node,
DWORD downstream_input, IMFSample *sample)
{
MF_TOPOLOGY_TYPE downstream_type;
struct topo_node *node;
TOPOID downstream_id;
HRESULT hr;
IMFTopologyNode_GetNodeType(downstream_node, &downstream_type);
IMFTopologyNode_GetTopoNodeID(downstream_node, &downstream_id);
node = session_get_node_by_id(session, downstream_id);
switch (downstream_type)
{
case MF_TOPOLOGY_OUTPUT_NODE:
if (node->u.sink.requests)
{
if (FAILED(hr = IMFStreamSink_ProcessSample(node->object.sink_stream, sample)))
WARN("Sample delivery failed, hr %#x.\n", hr);
node->u.sink.requests--;
}
break;
case MF_TOPOLOGY_TRANSFORM_NODE:
case MF_TOPOLOGY_TEE_NODE:
FIXME("Unhandled downstream node type %d.\n", downstream_type);
break;
default:
;
}
}
static void session_deliver_sample(struct media_session *session, IMFMediaStream *stream, const PROPVARIANT *value)
{
struct topo_node *source_node = NULL, *node;
IMFTopologyNode *downstream_node;
DWORD downstream_input;
HRESULT hr;
if (value->vt != VT_UNKNOWN || !value->punkVal)
{
WARN("Unexpected value type %d.\n", value->vt);
return;
}
LIST_FOR_EACH_ENTRY(node, &session->presentation.nodes, struct topo_node, entry)
{
if (node->type == MF_TOPOLOGY_SOURCESTREAM_NODE && node->object.source_stream == stream)
{
source_node = node;
break;
}
}
if (!source_node)
return;
if (FAILED(hr = IMFTopologyNode_GetOutput(source_node->node, 0, &downstream_node, &downstream_input)))
{
WARN("Failed to get downstream node connection, hr %#x.\n", hr);
return;
}
session_deliver_sample_to_node(session, downstream_node, downstream_input, (IMFSample *)value->punkVal);
IMFTopologyNode_Release(downstream_node);
}
static HRESULT WINAPI session_events_callback_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
{
struct media_session *session = impl_from_events_callback_IMFAsyncCallback(iface);
@ -2131,6 +2279,18 @@ static HRESULT WINAPI session_events_callback_Invoke(IMFAsyncCallback *iface, IM
LeaveCriticalSection(&session->cs);
break;
case MEStreamSinkRequestSample:
EnterCriticalSection(&session->cs);
session_request_sample(session, (IMFStreamSink *)event_source);
LeaveCriticalSection(&session->cs);
break;
case MEMediaSample:
EnterCriticalSection(&session->cs);
session_deliver_sample(session, (IMFMediaStream *)event_source, &value);
LeaveCriticalSection(&session->cs);
default:
;
}