winegstreamer: Insert videoconvert into decoded-video streams.
Signed-off-by: Derek Lesho <dlesho@codeweavers.com> Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Derek Lesho
Alexandre Julliard
parent
c55349f6c8
commit
528e6870ad
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@ -384,6 +384,43 @@ static const IMFMediaStreamVtbl media_stream_vtbl =
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media_stream_RequestSample
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};
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/* Setup a chain of elements which should hopefully allow transformations to any IMFMediaType
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the user throws at us through gstreamer's caps negotiation. */
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static HRESULT media_stream_connect_to_sink(struct media_stream *stream)
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{
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GstCaps *source_caps = gst_pad_get_current_caps(stream->their_src);
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const gchar *stream_type;
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if (!source_caps)
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return E_FAIL;
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stream_type = gst_structure_get_name(gst_caps_get_structure(source_caps, 0));
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gst_caps_unref(source_caps);
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if (!strcmp(stream_type, "video/x-raw"))
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{
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GstElement *videoconvert = gst_element_factory_make("videoconvert", NULL);
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gst_bin_add(GST_BIN(stream->parent_source->container), videoconvert);
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stream->my_sink = gst_element_get_static_pad(videoconvert, "sink");
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if (!gst_element_link(videoconvert, stream->appsink))
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return E_FAIL;
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gst_element_sync_state_with_parent(videoconvert);
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}
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else
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{
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stream->my_sink = gst_element_get_static_pad(stream->appsink, "sink");
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}
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if (gst_pad_link(stream->their_src, stream->my_sink) != GST_PAD_LINK_OK)
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return E_FAIL;
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return S_OK;
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}
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static HRESULT new_media_stream(struct media_source *source, GstPad *pad, DWORD stream_id, struct media_stream **out_stream)
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{
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struct media_stream *object = heap_alloc_zero(sizeof(*object));
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@ -414,8 +451,8 @@ static HRESULT new_media_stream(struct media_source *source, GstPad *pad, DWORD
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g_object_set(object->appsink, "sync", FALSE, NULL);
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g_object_set(object->appsink, "max-buffers", 5, NULL);
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object->my_sink = gst_element_get_static_pad(object->appsink, "sink");
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gst_pad_link(object->their_src, object->my_sink);
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if (FAILED(hr = media_stream_connect_to_sink(object)))
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goto fail;
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gst_element_sync_state_with_parent(object->appsink);
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@ -435,28 +472,88 @@ static HRESULT media_stream_init_desc(struct media_stream *stream)
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{
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GstCaps *current_caps = gst_pad_get_current_caps(stream->their_src);
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IMFMediaTypeHandler *type_handler;
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IMFMediaType **stream_types = NULL;
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IMFMediaType *stream_type = NULL;
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DWORD type_count = 0;
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const gchar *major_type;
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unsigned int i;
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HRESULT hr;
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major_type = gst_structure_get_name(gst_caps_get_structure(current_caps, 0));
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if (!strcmp(major_type, "video/x-raw"))
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{
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/* These are the most common native output types of decoders:
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https://docs.microsoft.com/en-us/windows/win32/medfound/mft-decoder-expose-output-types-in-native-order */
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static const GUID *const video_types[] =
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{
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&MFVideoFormat_NV12,
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&MFVideoFormat_YV12,
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&MFVideoFormat_YUY2,
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&MFVideoFormat_IYUV,
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&MFVideoFormat_I420,
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};
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IMFMediaType *base_type = mf_media_type_from_caps(current_caps);
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GUID base_subtype;
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IMFMediaType_GetGUID(base_type, &MF_MT_SUBTYPE, &base_subtype);
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stream_types = heap_alloc( sizeof(IMFMediaType *) * ARRAY_SIZE(video_types) + 1);
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stream_types[0] = base_type;
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type_count = 1;
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for (i = 0; i < ARRAY_SIZE(video_types); i++)
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{
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IMFMediaType *new_type;
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if (IsEqualGUID(&base_subtype, video_types[i]))
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continue;
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if (FAILED(hr = MFCreateMediaType(&new_type)))
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goto done;
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stream_types[type_count++] = new_type;
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if (FAILED(hr = IMFMediaType_CopyAllItems(base_type, (IMFAttributes *) new_type)))
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goto done;
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if (FAILED(hr = IMFMediaType_SetGUID(new_type, &MF_MT_SUBTYPE, video_types[i])))
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goto done;
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}
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}
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else
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{
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stream_type = mf_media_type_from_caps(current_caps);
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gst_caps_unref(current_caps);
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if (!stream_type)
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if (stream_type)
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{
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stream_types = &stream_type;
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type_count = 1;
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}
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}
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if (!type_count)
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{
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ERR("Failed to establish an IMFMediaType from any of the possible stream caps!\n");
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return E_FAIL;
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}
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hr = MFCreateStreamDescriptor(stream->stream_id, 1, &stream_type, &stream->descriptor);
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IMFMediaType_Release(stream_type);
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if (FAILED(hr))
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return hr;
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if (FAILED(hr = MFCreateStreamDescriptor(stream->stream_id, type_count, stream_types, &stream->descriptor)))
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goto done;
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if (FAILED(hr = IMFStreamDescriptor_GetMediaTypeHandler(stream->descriptor, &type_handler)))
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return hr;
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goto done;
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hr = IMFMediaTypeHandler_SetCurrentMediaType(type_handler, stream_type);
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if (FAILED(hr = IMFMediaTypeHandler_SetCurrentMediaType(type_handler, stream_types[0])))
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goto done;
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done:
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gst_caps_unref(current_caps);
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if (type_handler)
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IMFMediaTypeHandler_Release(type_handler);
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for (i = 0; i < type_count; i++)
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IMFMediaType_Release(stream_types[i]);
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if (stream_types != &stream_type)
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heap_free(stream_types);
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return hr;
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}
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