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d3d11videosink: Delay window setup as much as possible

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... so that videosink can handle device update with
d3d11 device of the first buffer

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2191>
This commit is contained in:
Seungha Yang 2021-04-23 19:29:55 +09:00
parent 70c96cf0dd
commit 227aaed8d4
1 changed files with 37 additions and 6 deletions
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43
sys/d3d11/gstd3d11videosink.cpp
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@ -111,6 +111,8 @@ struct _GstD3D11VideoSink
guintptr window_id;
gboolean caps_updated;
/* properties */
gint adapter;
gboolean force_aspect_ratio;
@ -495,13 +497,27 @@ static gboolean
gst_d3d11_video_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
{
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
GST_DEBUG_OBJECT (self, "set caps %" GST_PTR_FORMAT, caps);
/* We will update window on show_frame() */
self->caps_updated = TRUE;
return TRUE;
}
static gboolean
gst_d3d11_video_sink_update_window (GstD3D11VideoSink * self, GstCaps * caps)
{
gint video_width, video_height;
gint video_par_n, video_par_d; /* video's PAR */
gint display_par_n = 1, display_par_d = 1; /* display's PAR */
guint num, den;
GError *error = NULL;
GST_DEBUG_OBJECT (self, "set caps %" GST_PTR_FORMAT, caps);
GST_DEBUG_OBJECT (self, "Updating window with caps %" GST_PTR_FORMAT, caps);
self->caps_updated = FALSE;
if (!gst_d3d11_video_sink_prepare_window (self))
goto no_window;
@ -524,7 +540,7 @@ gst_d3d11_video_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
video_height, video_par_n, video_par_d, display_par_n, display_par_d))
goto no_disp_ratio;
GST_DEBUG_OBJECT (sink,
GST_DEBUG_OBJECT (self,
"video width/height: %dx%d, calculated display ratio: %d/%d format: %s",
video_width, video_height, num, den,
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (&self->info)));
@ -634,25 +650,25 @@ gst_d3d11_video_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
/* ERRORS */
invalid_format:
{
GST_DEBUG_OBJECT (sink,
GST_DEBUG_OBJECT (self,
"Could not locate image format from caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
no_window:
{
GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND, (NULL),
GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND, (NULL),
("Failed to open window."));
return FALSE;
}
no_disp_ratio:
{
GST_ELEMENT_ERROR (sink, CORE, NEGOTIATION, (NULL),
GST_ELEMENT_ERROR (self, CORE, NEGOTIATION, (NULL),
("Error calculating the output display ratio of the video."));
return FALSE;
}
no_display_size:
{
GST_ELEMENT_ERROR (sink, CORE, NEGOTIATION, (NULL),
GST_ELEMENT_ERROR (self, CORE, NEGOTIATION, (NULL),
("Error calculating the output display ratio of the video."));
return FALSE;
}
@ -1044,6 +1060,21 @@ gst_d3d11_video_sink_show_frame (GstVideoSink * sink, GstBuffer * buf)
gst_d3d11_device_get_device_handle (self->device);
ID3D11ShaderResourceView *view[GST_VIDEO_MAX_PLANES];
if (self->caps_updated || !self->window) {
GstCaps *caps = gst_pad_get_current_caps (GST_BASE_SINK_PAD (sink));
gboolean update_ret;
/* shouldn't happen */
if (!caps)
return GST_FLOW_NOT_NEGOTIATED;
update_ret = gst_d3d11_video_sink_update_window (self, caps);
gst_caps_unref (caps);
if (!update_ret)
return GST_FLOW_NOT_NEGOTIATED;
}
if (!gst_d3d11_buffer_can_access_device (buf, device_handle)) {
GST_LOG_OBJECT (self, "Need fallback buffer");