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mf: Add support for requesting sample from transform nodes. 

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 15:34:37 +03:00 committed by Alexandre Julliard
parent f45419d05a
commit 72d0c7e0a7
1 changed files with 184 additions and 49 deletions
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233
dlls/mf/session.c
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@ -110,6 +110,17 @@ struct media_sink
BOOL finalized;
};
struct sample
{
struct list entry;
IMFSample *sample;
};
struct transform_stream
{
struct list samples;
};
struct topo_node
{
struct list entry;
@ -141,6 +152,7 @@ struct topo_node
unsigned int *input_map;
unsigned int input_count;
struct transform_stream *outputs;
unsigned int *output_map;
unsigned int output_count;
} transform;
@ -623,8 +635,23 @@ static void session_set_caps(struct media_session *session, DWORD caps)
IMFMediaEvent_Release(event);
}
static void transform_stream_drop_samples(struct transform_stream *stream)
{
struct sample *sample, *sample2;
LIST_FOR_EACH_ENTRY_SAFE(sample, sample2, &stream->samples, struct sample, entry)
{
list_remove(&sample->entry);
if (sample->sample)
IMFSample_Release(sample->sample);
heap_free(sample);
}
}
static void release_topo_node(struct topo_node *node)
{
unsigned int i;
switch (node->type)
{
case MF_TOPOLOGY_SOURCESTREAM_NODE:
@ -632,6 +659,9 @@ static void release_topo_node(struct topo_node *node)
IMFMediaSource_Release(node->u.source.source);
break;
case MF_TOPOLOGY_TRANSFORM_NODE:
for (i = 0; i < node->u.transform.output_count; ++i)
transform_stream_drop_samples(&node->u.transform.outputs[i]);
heap_free(node->u.transform.outputs);
heap_free(node->u.transform.input_map);
heap_free(node->u.transform.output_map);
break;
@ -960,14 +990,13 @@ static HRESULT session_add_media_sink(struct media_session *session, IMFTopology
static HRESULT session_set_transform_stream_info(struct topo_node *node)
{
unsigned int *input_map = NULL, *output_map = NULL;
unsigned int input_count, output_count;
unsigned int i, input_count, output_count;
struct transform_stream *streams;
HRESULT hr;
hr = IMFTransform_GetStreamCount(node->object.transform, &input_count, &output_count);
if (SUCCEEDED(hr) && (input_count > 1 || output_count > 1))
{
unsigned int *input_map, *output_map;
input_map = heap_calloc(input_count, sizeof(*input_map));
output_map = heap_calloc(output_count, sizeof(*output_map));
if (FAILED(IMFTransform_GetStreamIDs(node->object.transform, input_count, input_map,
@ -982,6 +1011,11 @@ static HRESULT session_set_transform_stream_info(struct topo_node *node)
if (SUCCEEDED(hr))
{
streams = heap_calloc(output_count, sizeof(*streams));
for (i = 0; i < output_count; ++i)
list_init(&streams[i].samples);
node->u.transform.outputs = streams;
node->u.transform.input_count = input_count;
node->u.transform.output_count = output_count;
node->u.transform.input_map = input_map;
@ -2167,28 +2201,161 @@ static struct topo_node *session_get_node_by_id(struct media_session *session, T
return NULL;
}
static HRESULT session_request_sample_from_node(struct media_session *session, IMFTopologyNode *upstream_node,
DWORD upsteam_output)
static DWORD transform_node_get_stream_id(struct topo_node *node, BOOL output, DWORD index)
{
MF_TOPOLOGY_TYPE upstream_type;
struct topo_node *node;
TOPOID upstream_id;
unsigned int *map = output ? node->u.transform.output_map : node->u.transform.input_map;
return map ? map[index] : index;
}
static HRESULT transform_node_get_sample(struct topo_node *node, DWORD output, IMFSample **sample)
{
struct list *list = &node->u.transform.outputs[output].samples;
MFT_OUTPUT_STREAM_INFO stream_info;
MFT_OUTPUT_DATA_BUFFER *buffers;
struct sample *queued_sample;
DWORD status = 0;
unsigned int i;
HRESULT hr;
IMFTopologyNode_GetNodeType(upstream_node, &upstream_type);
IMFTopologyNode_GetTopoNodeID(upstream_node, &upstream_id);
*sample = NULL;
node = session_get_node_by_id(session, upstream_id);
switch (upstream_type)
if (!list_empty(list))
{
case MF_TOPOLOGY_SOURCESTREAM_NODE:
if (FAILED(hr = IMFMediaStream_RequestSample(node->object.source_stream, NULL)))
WARN("Sample request failed, hr %#x.\n", hr);
queued_sample = LIST_ENTRY(list_head(list), struct sample, entry);
list_remove(&queued_sample->entry);
*sample = queued_sample->sample;
heap_free(queued_sample);
return S_OK;
}
if (!(buffers = heap_calloc(node->u.transform.output_count, sizeof(*buffers))))
return E_OUTOFMEMORY;
for (i = 0; i < node->u.transform.output_count; ++i)
{
buffers[i].dwStreamID = transform_node_get_stream_id(node, TRUE, i);
buffers[i].pSample = NULL;
buffers[i].dwStatus = 0;
buffers[i].pEvents = NULL;
/* Buffer requirements. */
memset(&stream_info, 0, sizeof(stream_info));
if (FAILED(hr = IMFTransform_GetOutputStreamInfo(node->object.transform, buffers[i].dwStreamID, &stream_info)))
goto exit;
if (!(stream_info.dwFlags & MFT_OUTPUT_STREAM_PROVIDES_SAMPLES))
FIXME("Allocate client sample for stream %u.\n", buffers[i].dwStreamID);
}
hr = IMFTransform_ProcessOutput(node->object.transform, 0, node->u.transform.output_count, buffers, &status);
if (hr == S_OK)
{
/* Collect returned samples for all streams. */
for (i = 0; i < node->u.transform.output_count; ++i)
{
if (buffers[i].pEvents)
IMFCollection_Release(buffers[i].pEvents);
if (!buffers[i].pSample)
continue;
if (i == output)
{
*sample = buffers[i].pSample;
}
else
{
queued_sample = heap_alloc(sizeof(*queued_sample));
queued_sample->sample = buffers[i].pSample;
list_add_tail(&node->u.transform.outputs[i].samples, &queued_sample->entry);
}
}
}
exit:
heap_free(buffers);
return hr;
}
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 upstream node type %d.\n", upstream_type);
FIXME("Unhandled downstream node type %d.\n", downstream_type);
break;
default:
;
}
}
static HRESULT session_request_sample_from_node(struct media_session *session, IMFTopologyNode *node, DWORD output)
{
IMFTopologyNode *downstream_node, *upstream_node;
MF_TOPOLOGY_TYPE node_type;
IMFSample *sample = NULL;
struct topo_node *topo_node;
DWORD downstream_input, upstream_output;
TOPOID node_id;
HRESULT hr;
IMFTopologyNode_GetNodeType(node, &node_type);
IMFTopologyNode_GetTopoNodeID(node, &node_id);
topo_node = session_get_node_by_id(session, node_id);
switch (node_type)
{
case MF_TOPOLOGY_SOURCESTREAM_NODE:
if (FAILED(hr = IMFMediaStream_RequestSample(topo_node->object.source_stream, NULL)))
WARN("Sample request failed, hr %#x.\n", hr);
break;
case MF_TOPOLOGY_TRANSFORM_NODE:
hr = transform_node_get_sample(topo_node, output, &sample);
if (sample)
{
if (SUCCEEDED(hr = IMFTopologyNode_GetOutput(node, output, &downstream_node, &downstream_input)))
{
session_deliver_sample_to_node(session, downstream_node, downstream_input, sample);
IMFTopologyNode_Release(downstream_node);
}
IMFSample_Release(sample);
}
/* Forward request to upstream node. */
if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT || (hr == S_OK && !sample))
{
if (SUCCEEDED(hr = IMFTopologyNode_GetInput(node, 0 /* FIXME */, &upstream_node, &upstream_output)))
{
hr = session_request_sample_from_node(session, upstream_node, upstream_output);
IMFTopologyNode_Release(upstream_node);
}
}
break;
case MF_TOPOLOGY_TEE_NODE:
FIXME("Unhandled upstream node type %d.\n", node_type);
default:
hr = E_UNEXPECTED;
}
@ -2226,38 +2393,6 @@ static void session_request_sample(struct media_session *session, IMFStreamSink
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;