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glfilter: ensure that the input upload/colorconvert are always available
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parent
4f15cc8d3c
commit
9ecb530eaa
1 changed files with 58 additions and 39 deletions
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@ -884,6 +884,58 @@ error:
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}
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}
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static gboolean
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_ensure_input_chain (GstGLFilter * filter)
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{
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GstBaseTransform *bt = GST_BASE_TRANSFORM (filter);
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if (!filter->upload) {
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GstCapsFeatures *uploaded_features;
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GstCaps *uploaded_caps;
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GstCapsFeatures *converted_features;
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GstVideoInfo converted_info;
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GstCaps *in_caps = gst_pad_get_current_caps (bt->sinkpad);
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filter->upload = gst_gl_upload_new (filter->context);
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uploaded_caps = gst_caps_copy (in_caps);
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uploaded_features =
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gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
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gst_caps_set_features (uploaded_caps, 0, uploaded_features);
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if (!gst_gl_upload_set_caps (filter->upload, in_caps, uploaded_caps)) {
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gst_caps_unref (uploaded_caps);
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gst_caps_unref (in_caps);
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return FALSE;
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}
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gst_caps_unref (in_caps);
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if (!filter->in_convert) {
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filter->in_convert = gst_gl_color_convert_new (filter->context);
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}
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gst_video_info_set_format (&converted_info, GST_VIDEO_FORMAT_RGBA,
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GST_VIDEO_INFO_WIDTH (&filter->in_info),
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GST_VIDEO_INFO_HEIGHT (&filter->in_info));
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converted_features =
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gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
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if (filter->in_converted_caps)
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gst_caps_unref (filter->in_converted_caps);
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filter->in_converted_caps = gst_video_info_to_caps (&converted_info);
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gst_caps_set_features (filter->in_converted_caps, 0, converted_features);
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if (!gst_gl_color_convert_set_caps (filter->in_convert, uploaded_caps,
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filter->in_converted_caps)) {
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gst_caps_unref (uploaded_caps);
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return FALSE;
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}
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gst_caps_unref (uploaded_caps);
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}
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return TRUE;
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}
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static gboolean
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gst_gl_filter_propose_allocation (GstBaseTransform * trans,
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GstQuery * decide_query, GstQuery * query)
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@ -960,6 +1012,9 @@ gst_gl_filter_propose_allocation (GstBaseTransform * trans,
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gst_object_unref (pool);
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}
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if (!_ensure_input_chain (filter))
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return FALSE;
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gst_gl_upload_propose_allocation (filter->upload, decide_query, query);
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if (filter->context->gl_vtable->FenceSync)
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@ -1000,10 +1055,6 @@ gst_gl_filter_decide_allocation (GstBaseTransform * trans, GstQuery * query)
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guint in_width, in_height, out_width, out_height;
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GstGLContext *other_context = NULL;
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gboolean same_downstream_gl_context = FALSE;
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GstCapsFeatures *uploaded_features;
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GstCaps *uploaded_caps;
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GstCapsFeatures *converted_features;
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GstVideoInfo converted_info;
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gst_query_parse_allocation (query, &caps, NULL);
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if (!caps)
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@ -1077,41 +1128,6 @@ gst_gl_filter_decide_allocation (GstBaseTransform * trans, GstQuery * query)
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out_width = GST_VIDEO_INFO_WIDTH (&filter->out_info);
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out_height = GST_VIDEO_INFO_HEIGHT (&filter->out_info);
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if (!filter->upload) {
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filter->upload = gst_gl_upload_new (filter->context);
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}
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uploaded_caps = gst_caps_copy (caps);
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uploaded_features =
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gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
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gst_caps_set_features (uploaded_caps, 0, uploaded_features);
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if (!gst_gl_upload_set_caps (filter->upload, caps, uploaded_caps)) {
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gst_caps_unref (uploaded_caps);
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return FALSE;
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}
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if (!filter->in_convert) {
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filter->in_convert = gst_gl_color_convert_new (filter->context);
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}
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gst_video_info_set_format (&converted_info, GST_VIDEO_FORMAT_RGBA,
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in_width, in_height);
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converted_features =
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gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
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if (filter->in_converted_caps)
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gst_caps_unref (filter->in_converted_caps);
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filter->in_converted_caps = gst_video_info_to_caps (&converted_info);
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gst_caps_set_features (filter->in_converted_caps, 0, converted_features);
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if (!gst_gl_color_convert_set_caps (filter->in_convert, uploaded_caps,
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filter->in_converted_caps)) {
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gst_caps_unref (uploaded_caps);
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return FALSE;
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}
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gst_caps_unref (uploaded_caps);
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if (filter->fbo) {
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gst_gl_context_del_fbo (filter->context, filter->fbo, filter->depthbuffer);
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filter->fbo = 0;
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@ -1334,6 +1350,9 @@ gst_gl_filter_transform (GstBaseTransform * bt, GstBuffer * inbuf,
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if (in_sync_meta)
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gst_gl_sync_meta_wait (in_sync_meta);
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if (!_ensure_input_chain (filter))
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return GST_FLOW_ERROR;
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if (filter_class->filter)
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filter_class->filter (filter, inbuf, outbuf);
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else if (filter_class->filter_texture)
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