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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 00:36:51 +00:00
d3d11convert: Add support for GstVideoCropMeta
Performs crop, scale, and color space conversion all in a single render pipeline. Note that cropping related property is not added in this element (which will make negotiation very complicated), but user can configure videocrop element for crop meta to be attached on each buffer. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2678>
This commit is contained in:
Seungha Yang
GStreamer Marge Bot
parent
1043481247
commit
38e142db9a
1 changed files with 314 additions and 34 deletions
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@ -70,9 +70,12 @@ struct _GstD3D11BaseConvert
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GstD3D11Converter *converter;
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GstD3D11VideoProcessor *processor;
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gboolean processor_in_use;
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gboolean same_caps;
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gboolean downstream_supports_crop_meta;
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/* used for border rendering */
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RECT in_rect;
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RECT prev_in_rect;
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RECT out_rect;
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gint borders_h;
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@ -100,15 +103,17 @@ static GstCaps *gst_d3d11_base_convert_transform_caps (GstBaseTransform *
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trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter);
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static GstCaps *gst_d3d11_base_convert_fixate_caps (GstBaseTransform *
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base, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
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static gboolean gst_d3d11_base_convert_filter_meta (GstBaseTransform * trans,
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GstQuery * query, GType api, const GstStructure * params);
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static gboolean
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gst_d3d11_base_convert_propose_allocation (GstBaseTransform * trans,
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GstQuery * decide_query, GstQuery * query);
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static gboolean
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gst_d3d11_base_convert_decide_allocation (GstBaseTransform * trans,
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GstQuery * query);
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static GstFlowReturn
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gst_d3d11_base_convert_generate_output (GstBaseTransform * trans,
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GstBuffer ** buffer);
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static gboolean gst_d3d11_base_convert_transform_meta (GstBaseTransform * trans,
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GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf);
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static GstFlowReturn gst_d3d11_base_convert_transform (GstBaseTransform *
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trans, GstBuffer * inbuf, GstBuffer * outbuf);
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static gboolean gst_d3d11_base_convert_set_info (GstD3D11BaseFilter * filter,
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@ -261,18 +266,20 @@ gst_d3d11_base_convert_class_init (GstD3D11BaseConvertClass * klass)
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gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps));
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gst_caps_unref (caps);
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trans_class->passthrough_on_same_caps = TRUE;
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trans_class->passthrough_on_same_caps = FALSE;
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trans_class->transform_caps =
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GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_transform_caps);
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trans_class->fixate_caps =
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GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_fixate_caps);
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trans_class->filter_meta =
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GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_filter_meta);
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trans_class->propose_allocation =
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GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_propose_allocation);
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trans_class->decide_allocation =
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GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_decide_allocation);
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trans_class->generate_output =
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GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_generate_output);
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trans_class->transform_meta =
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GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_transform_meta);
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trans_class->transform = GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_transform);
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bfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_set_info);
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@ -1142,20 +1149,6 @@ gst_d3d11_base_convert_fixate_caps (GstBaseTransform * base,
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return othercaps;
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}
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static gboolean
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gst_d3d11_base_convert_filter_meta (GstBaseTransform * trans,
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GstQuery * query, GType api, const GstStructure * params)
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{
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/* This element cannot passthrough the crop meta, because it would convert the
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* wrong sub-region of the image, and worst, our output image may not be large
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* enough for the crop to be applied later */
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if (api == GST_VIDEO_CROP_META_API_TYPE)
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return FALSE;
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/* propose all other metadata upstream */
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return TRUE;
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}
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static gboolean
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gst_d3d11_base_convert_propose_allocation (GstBaseTransform * trans,
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GstQuery * decide_query, GstQuery * query)
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@ -1179,10 +1172,6 @@ gst_d3d11_base_convert_propose_allocation (GstBaseTransform * trans,
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decide_query, query))
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return FALSE;
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/* passthrough, we're done */
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if (decide_query == NULL)
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return TRUE;
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gst_query_parse_allocation (query, &caps, NULL);
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if (caps == NULL)
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@ -1253,9 +1242,10 @@ gst_d3d11_base_convert_propose_allocation (GstBaseTransform * trans,
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if (!gst_buffer_pool_set_config (pool, config))
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goto config_failed;
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gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
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gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, nullptr);
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gst_query_add_allocation_meta (query,
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GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, NULL);
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GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, nullptr);
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gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE, nullptr);
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/* d3d11 buffer pool will update buffer size based on allocated texture,
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* get size from config again */
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@ -1283,6 +1273,7 @@ gst_d3d11_base_convert_decide_allocation (GstBaseTransform * trans,
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GstQuery * query)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
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GstD3D11BaseConvert *self = GST_D3D11_BASE_CONVERT (trans);
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GstCaps *outcaps = NULL;
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GstBufferPool *pool = NULL;
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guint size, min = 0, max = 0;
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@ -1314,6 +1305,11 @@ gst_d3d11_base_convert_decide_allocation (GstBaseTransform * trans,
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return FALSE;
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}
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self->downstream_supports_crop_meta = gst_query_find_allocation_meta (query,
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GST_VIDEO_CROP_META_API_TYPE, nullptr);
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GST_DEBUG_OBJECT (self, "Downstream crop meta support: %d",
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self->downstream_supports_crop_meta);
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if (d3d11_format.dxgi_format == DXGI_FORMAT_UNKNOWN) {
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dxgi_format = d3d11_format.resource_format[0];
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} else {
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@ -1723,8 +1719,12 @@ gst_d3d11_base_convert_set_info (GstD3D11BaseFilter * filter,
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gint border_offset_x = 0;
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gint border_offset_y = 0;
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if (gst_base_transform_is_passthrough (GST_BASE_TRANSFORM (filter)))
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if (gst_caps_is_equal (incaps, outcaps)) {
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self->same_caps = TRUE;
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return TRUE;
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} else {
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self->same_caps = FALSE;
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}
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if (!gst_util_fraction_multiply (in_info->width,
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in_info->height, in_info->par_n, in_info->par_d, &from_dar_n,
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@ -1780,10 +1780,8 @@ gst_d3d11_base_convert_set_info (GstD3D11BaseFilter * filter,
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self->borders_h == 0 &&
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gst_video_colorimetry_is_equal (&in_info->colorimetry,
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&out_info->colorimetry)) {
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gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (filter), TRUE);
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self->same_caps = TRUE;
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return TRUE;
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} else {
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gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (filter), FALSE);
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}
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if (!gst_d3d11_device_get_format (filter->device,
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@ -1869,6 +1867,7 @@ gst_d3d11_base_convert_set_info (GstD3D11BaseFilter * filter,
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self->in_rect.top = 0;
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self->in_rect.right = GST_VIDEO_INFO_WIDTH (in_info);
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self->in_rect.bottom = GST_VIDEO_INFO_HEIGHT (in_info);
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self->prev_in_rect = self->in_rect;
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if (self->borders_w) {
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border_offset_x = self->borders_w / 2;
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@ -1976,7 +1975,7 @@ gst_d3d11_base_convert_prefer_video_processor (GstD3D11BaseConvert * self,
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static gboolean
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gst_d3d11_base_convert_transform_using_processor (GstD3D11BaseConvert * self,
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GstBuffer * inbuf, GstBuffer * outbuf)
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GstBuffer * inbuf, GstBuffer * outbuf, RECT * in_rect)
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{
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GstD3D11Memory *in_mem, *out_mem;
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ID3D11VideoProcessorInputView *piv;
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@ -2015,7 +2014,262 @@ gst_d3d11_base_convert_transform_using_processor (GstD3D11BaseConvert * self,
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}
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return gst_d3d11_video_processor_render (self->processor,
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&self->in_rect, piv, &self->out_rect, pov);
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in_rect, piv, &self->out_rect, pov);
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}
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static gboolean
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gst_d3d11_base_convert_crop_and_copy (GstD3D11BaseConvert * self,
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const GstVideoCropMeta * meta, GstBuffer * inbuf, GstBuffer * outbuf)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER_CAST (self);
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GstVideoInfo *info = &filter->in_info;
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GstVideoFormat format = GST_VIDEO_INFO_FORMAT (info);
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GstMemory *in_mem, *out_mem;
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GstD3D11Memory *in_dmem, *out_dmem;
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GstMapInfo in_map, out_map;
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GstD3D11Device *device;
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ID3D11DeviceContext *context;
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D3D11_BOX src_box = { 0, };
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guint in_subresource;
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guint out_subresource;
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ID3D11Texture2D *in_tex, *out_tex;
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gboolean ret = FALSE;
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/* Copy into output memory */
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in_mem = gst_buffer_peek_memory (inbuf, 0);
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out_mem = gst_buffer_peek_memory (outbuf, 0);
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if (!gst_is_d3d11_memory (in_mem)) {
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GST_ERROR_OBJECT (self, "Input is not a d3d11 memory");
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return FALSE;
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}
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if (!gst_is_d3d11_memory (out_mem)) {
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GST_ERROR_OBJECT (self, "Output is not a d3d11 memory");
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return FALSE;
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}
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in_dmem = GST_D3D11_MEMORY_CAST (in_mem);
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out_dmem = GST_D3D11_MEMORY_CAST (out_mem);
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if (in_dmem->device != out_dmem->device) {
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GST_ERROR_OBJECT (self, "Different device");
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return FALSE;
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}
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device = in_dmem->device;
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context = gst_d3d11_device_get_device_context_handle (device);
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src_box.left = meta->x;
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src_box.top = meta->y;
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src_box.right = meta->x + meta->width;
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src_box.bottom = meta->y + meta->height;
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src_box.front = 0;
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src_box.back = 1;
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GST_TRACE_OBJECT (self, "Source box left:top:right:bottom = %d, %d, %d, %d",
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src_box.left, src_box.top, src_box.right, src_box.bottom);
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in_subresource = gst_d3d11_memory_get_subresource_index (in_dmem);
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out_subresource = gst_d3d11_memory_get_subresource_index (out_dmem);
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gst_d3d11_device_lock (device);
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if (!gst_memory_map (in_mem, &in_map,
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(GstMapFlags) (GST_MAP_READ | GST_MAP_D3D11))) {
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GST_ERROR_OBJECT (self, "Failed to map input memory");
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goto out;
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}
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if (!gst_memory_map (out_mem, &out_map,
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(GstMapFlags) (GST_MAP_WRITE | GST_MAP_D3D11))) {
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GST_ERROR_OBJECT (self, "Failed to map output memory");
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gst_memory_unmap (in_mem, &in_map);
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goto out;
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}
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in_tex = (ID3D11Texture2D *) in_map.data;
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out_tex = (ID3D11Texture2D *) out_map.data;
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context->CopySubresourceRegion (out_tex, out_subresource, 0, 0, 0,
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in_tex, in_subresource, &src_box);
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gst_memory_unmap (in_mem, &in_map);
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gst_memory_unmap (out_mem, &out_map);
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if (gst_buffer_n_memory (inbuf) == 1) {
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gst_d3d11_device_unlock (device);
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return TRUE;
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}
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/* Non-native DXGI format YUV cases, copy UV plane(s) */
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switch (format) {
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/* semi-planar */
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case GST_VIDEO_FORMAT_NV12:
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case GST_VIDEO_FORMAT_NV21:
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case GST_VIDEO_FORMAT_P010_10LE:
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case GST_VIDEO_FORMAT_P012_LE:
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case GST_VIDEO_FORMAT_P016_LE:
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src_box.top = GST_ROUND_DOWN_2 (meta->y) / 2;
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src_box.bottom = GST_ROUND_DOWN_2 (meta->y + meta->height) / 2;
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break;
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/* planar */
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_I420_10LE:
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case GST_VIDEO_FORMAT_I420_12LE:
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src_box.left = GST_ROUND_DOWN_2 (meta->x) / 2;
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src_box.top = GST_ROUND_DOWN_2 (meta->y) / 2;
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src_box.right = GST_ROUND_DOWN_2 (meta->x + meta->width) / 2;
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src_box.bottom = GST_ROUND_DOWN_2 (meta->y + meta->height) / 2;
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break;
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case GST_VIDEO_FORMAT_Y42B:
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case GST_VIDEO_FORMAT_I422_10LE:
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case GST_VIDEO_FORMAT_I422_12LE:
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src_box.left = GST_ROUND_DOWN_2 (meta->x) / 2;
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src_box.right = GST_ROUND_DOWN_2 (meta->x + meta->width) / 2;
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break;
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case GST_VIDEO_FORMAT_Y444:
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case GST_VIDEO_FORMAT_Y444_10LE:
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case GST_VIDEO_FORMAT_Y444_12LE:
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case GST_VIDEO_FORMAT_Y444_16LE:
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break;
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default:
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GST_ERROR_OBJECT (self, "Unexpected format %s",
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gst_video_format_to_string (format));
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goto out;
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}
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GST_TRACE_OBJECT (self, "UV left:top:right:bottom = %d, %d, %d, %d",
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src_box.left, src_box.top, src_box.right, src_box.bottom);
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for (guint i = 1; i < GST_VIDEO_INFO_N_PLANES (info); i++) {
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in_mem = gst_buffer_peek_memory (inbuf, i);
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out_mem = gst_buffer_peek_memory (outbuf, i);
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if (!gst_is_d3d11_memory (in_mem)) {
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GST_ERROR_OBJECT (self, "Input is not a d3d11 memory");
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goto out;
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}
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if (!gst_is_d3d11_memory (out_mem)) {
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GST_ERROR_OBJECT (self, "Output is not a d3d11 memory");
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goto out;
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}
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in_dmem = GST_D3D11_MEMORY_CAST (in_mem);
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out_dmem = GST_D3D11_MEMORY_CAST (out_mem);
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if (in_dmem->device != out_dmem->device) {
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GST_ERROR_OBJECT (self, "Different device");
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goto out;
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}
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in_subresource = gst_d3d11_memory_get_subresource_index (in_dmem);
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out_subresource = gst_d3d11_memory_get_subresource_index (out_dmem);
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if (!gst_memory_map (in_mem, &in_map,
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(GstMapFlags) (GST_MAP_READ | GST_MAP_D3D11))) {
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GST_ERROR_OBJECT (self, "Failed to map input memory");
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goto out;
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}
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if (!gst_memory_map (out_mem, &out_map,
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(GstMapFlags) (GST_MAP_WRITE | GST_MAP_D3D11))) {
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GST_ERROR_OBJECT (self, "Failed to map output memory");
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gst_memory_unmap (in_mem, &in_map);
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goto out;
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}
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in_tex = (ID3D11Texture2D *) in_map.data;
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out_tex = (ID3D11Texture2D *) out_map.data;
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context->CopySubresourceRegion (out_tex, out_subresource, 0, 0, 0,
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in_tex, in_subresource, &src_box);
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gst_memory_unmap (in_mem, &in_map);
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gst_memory_unmap (out_mem, &out_map);
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}
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ret = TRUE;
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out:
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gst_d3d11_device_unlock (device);
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return ret;
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}
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static GstFlowReturn
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gst_d3d11_base_convert_generate_output (GstBaseTransform * trans,
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GstBuffer ** buffer)
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{
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GstD3D11BaseConvert *self = GST_D3D11_BASE_CONVERT (trans);
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GstBuffer *inbuf;
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GstVideoCropMeta *crop_meta;
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GstFlowReturn ret;
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if (!self->same_caps) {
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return GST_BASE_TRANSFORM_CLASS (parent_class)->generate_output (trans,
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buffer);
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}
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/* Retrieve stashed input buffer, if the default submit_input_buffer
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* was run. Takes ownership back from there */
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inbuf = trans->queued_buf;
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trans->queued_buf = nullptr;
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/* This default processing method needs one input buffer to feed to
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* the transform functions, we can't do anything without it */
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if (!inbuf)
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return GST_FLOW_OK;
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|
||||
crop_meta = gst_buffer_get_video_crop_meta (inbuf);
|
||||
|
||||
/* downstream supports crop meta or no crop meta. Just passthrough it */
|
||||
if (self->downstream_supports_crop_meta || !crop_meta) {
|
||||
*buffer = inbuf;
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
ret = GST_BASE_TRANSFORM_CLASS (parent_class)->prepare_output_buffer (trans,
|
||||
inbuf, buffer);
|
||||
if (ret != GST_FLOW_OK || *buffer == nullptr) {
|
||||
GST_WARNING_OBJECT (trans, "Could not get buffer from pool, %s",
|
||||
gst_flow_get_name (ret));
|
||||
gst_buffer_unref (inbuf);
|
||||
return ret;
|
||||
}
|
||||
|
||||
GST_TRACE_OBJECT (self, "Copying cropped buffer");
|
||||
if (!gst_d3d11_base_convert_crop_and_copy (self, crop_meta, inbuf, *buffer)) {
|
||||
gst_buffer_unref (inbuf);
|
||||
gst_clear_buffer (buffer);
|
||||
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
||||
gst_buffer_unref (inbuf);
|
||||
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_d3d11_base_convert_transform_meta (GstBaseTransform * trans,
|
||||
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf)
|
||||
{
|
||||
/* Do not copy crop meta in any case.
|
||||
*
|
||||
* 1) When input and output caps are identical,
|
||||
* - If downstream supports crop meta or crop meta is not attached on input
|
||||
* buffer, then we do passthrough input buffers.
|
||||
* In that case, this method must not be called already
|
||||
* - Otherwise (downstream does not support crop meta), we do crop input
|
||||
* and copy cropped area to output buffer
|
||||
* 2) in case of input-caps != output-caps, we specify source rectangle to
|
||||
* shader or video processor object. Then the conversion object will
|
||||
* consider source cropping area automatically
|
||||
*/
|
||||
if (meta->info->api == GST_VIDEO_CROP_META_API_TYPE)
|
||||
return FALSE;
|
||||
|
||||
return GST_BASE_TRANSFORM_CLASS (parent_class)->transform_meta (trans,
|
||||
outbuf, meta, inbuf);
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
|
|
@ -2035,6 +2289,8 @@ gst_d3d11_base_convert_transform (GstBaseTransform * trans,
|
|||
gboolean copy_output = FALSE;
|
||||
GstMapInfo in_map[GST_VIDEO_MAX_PLANES];
|
||||
GstMapInfo out_map[GST_VIDEO_MAX_PLANES];
|
||||
RECT in_rect;
|
||||
GstVideoCropMeta *crop_meta;
|
||||
|
||||
device_handle = gst_d3d11_device_get_device_handle (device);
|
||||
context_handle = gst_d3d11_device_get_device_context_handle (device);
|
||||
|
|
@ -2050,9 +2306,33 @@ gst_d3d11_base_convert_transform (GstBaseTransform * trans,
|
|||
goto invalid_memory;
|
||||
}
|
||||
|
||||
crop_meta = gst_buffer_get_video_crop_meta (inbuf);
|
||||
if (crop_meta) {
|
||||
GST_TRACE_OBJECT (self, "Have crop rect, x:y:w:h = %d:%d:%d:%d",
|
||||
crop_meta->x, crop_meta->y, crop_meta->width, crop_meta->height);
|
||||
|
||||
in_rect.left = crop_meta->x;
|
||||
in_rect.top = crop_meta->y;
|
||||
in_rect.right = crop_meta->x + crop_meta->width;
|
||||
in_rect.bottom = crop_meta->y + crop_meta->height;
|
||||
} else {
|
||||
in_rect = self->in_rect;
|
||||
}
|
||||
|
||||
if (in_rect.left != self->prev_in_rect.left ||
|
||||
in_rect.top != self->prev_in_rect.top ||
|
||||
in_rect.right != self->prev_in_rect.right ||
|
||||
in_rect.bottom != self->prev_in_rect.bottom) {
|
||||
self->prev_in_rect = in_rect;
|
||||
g_object_set (self->converter, "src-x", (gint) in_rect.left,
|
||||
"src-y", (gint) in_rect.top,
|
||||
"src-width", (gint) in_rect.right - in_rect.left,
|
||||
"src-height", (gint) in_rect.bottom - in_rect.top, nullptr);
|
||||
}
|
||||
|
||||
if (gst_d3d11_base_convert_prefer_video_processor (self, inbuf, outbuf)) {
|
||||
gboolean ret =
|
||||
gst_d3d11_base_convert_transform_using_processor (self, inbuf, outbuf);
|
||||
gboolean ret = gst_d3d11_base_convert_transform_using_processor (self,
|
||||
inbuf, outbuf, &in_rect);
|
||||
|
||||
if (!ret) {
|
||||
GST_ERROR_OBJECT (self, "Couldn't convert using video processor");
|
||||
|
|
|
|||
Loading…
Reference in a new issue