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glfilter: ensure that the input upload/colorconvert are always available

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This commit is contained in:
Matthew Waters 2015-02-05 16:46:32 +11:00 committed by Tim-Philipp Müller
parent d44fb3962e
commit ff4951fe85
1 changed files with 58 additions and 39 deletions
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97
gst-libs/gst/gl/gstglfilter.c
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@ -884,6 +884,58 @@ error:
}
}
static gboolean
_ensure_input_chain (GstGLFilter * filter)
{
GstBaseTransform *bt = GST_BASE_TRANSFORM (filter);
if (!filter->upload) {
GstCapsFeatures *uploaded_features;
GstCaps *uploaded_caps;
GstCapsFeatures *converted_features;
GstVideoInfo converted_info;
GstCaps *in_caps = gst_pad_get_current_caps (bt->sinkpad);
filter->upload = gst_gl_upload_new (filter->context);
uploaded_caps = gst_caps_copy (in_caps);
uploaded_features =
gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
gst_caps_set_features (uploaded_caps, 0, uploaded_features);
if (!gst_gl_upload_set_caps (filter->upload, in_caps, uploaded_caps)) {
gst_caps_unref (uploaded_caps);
gst_caps_unref (in_caps);
return FALSE;
}
gst_caps_unref (in_caps);
if (!filter->in_convert) {
filter->in_convert = gst_gl_color_convert_new (filter->context);
}
gst_video_info_set_format (&converted_info, GST_VIDEO_FORMAT_RGBA,
GST_VIDEO_INFO_WIDTH (&filter->in_info),
GST_VIDEO_INFO_HEIGHT (&filter->in_info));
converted_features =
gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
if (filter->in_converted_caps)
gst_caps_unref (filter->in_converted_caps);
filter->in_converted_caps = gst_video_info_to_caps (&converted_info);
gst_caps_set_features (filter->in_converted_caps, 0, converted_features);
if (!gst_gl_color_convert_set_caps (filter->in_convert, uploaded_caps,
filter->in_converted_caps)) {
gst_caps_unref (uploaded_caps);
return FALSE;
}
gst_caps_unref (uploaded_caps);
}
return TRUE;
}
static gboolean
gst_gl_filter_propose_allocation (GstBaseTransform * trans,
GstQuery * decide_query, GstQuery * query)
@ -960,6 +1012,9 @@ gst_gl_filter_propose_allocation (GstBaseTransform * trans,
gst_object_unref (pool);
}
if (!_ensure_input_chain (filter))
return FALSE;
gst_gl_upload_propose_allocation (filter->upload, decide_query, query);
if (filter->context->gl_vtable->FenceSync)
@ -1000,10 +1055,6 @@ gst_gl_filter_decide_allocation (GstBaseTransform * trans, GstQuery * query)
guint in_width, in_height, out_width, out_height;
GstGLContext *other_context = NULL;
gboolean same_downstream_gl_context = FALSE;
GstCapsFeatures *uploaded_features;
GstCaps *uploaded_caps;
GstCapsFeatures *converted_features;
GstVideoInfo converted_info;
gst_query_parse_allocation (query, &caps, NULL);
if (!caps)
@ -1077,41 +1128,6 @@ gst_gl_filter_decide_allocation (GstBaseTransform * trans, GstQuery * query)
out_width = GST_VIDEO_INFO_WIDTH (&filter->out_info);
out_height = GST_VIDEO_INFO_HEIGHT (&filter->out_info);
if (!filter->upload) {
filter->upload = gst_gl_upload_new (filter->context);
}
uploaded_caps = gst_caps_copy (caps);
uploaded_features =
gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
gst_caps_set_features (uploaded_caps, 0, uploaded_features);
if (!gst_gl_upload_set_caps (filter->upload, caps, uploaded_caps)) {
gst_caps_unref (uploaded_caps);
return FALSE;
}
if (!filter->in_convert) {
filter->in_convert = gst_gl_color_convert_new (filter->context);
}
gst_video_info_set_format (&converted_info, GST_VIDEO_FORMAT_RGBA,
in_width, in_height);
converted_features =
gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
if (filter->in_converted_caps)
gst_caps_unref (filter->in_converted_caps);
filter->in_converted_caps = gst_video_info_to_caps (&converted_info);
gst_caps_set_features (filter->in_converted_caps, 0, converted_features);
if (!gst_gl_color_convert_set_caps (filter->in_convert, uploaded_caps,
filter->in_converted_caps)) {
gst_caps_unref (uploaded_caps);
return FALSE;
}
gst_caps_unref (uploaded_caps);
if (filter->fbo) {
gst_gl_context_del_fbo (filter->context, filter->fbo, filter->depthbuffer);
filter->fbo = 0;
@ -1334,6 +1350,9 @@ gst_gl_filter_transform (GstBaseTransform * bt, GstBuffer * inbuf,
if (in_sync_meta)
gst_gl_sync_meta_wait (in_sync_meta);
if (!_ensure_input_chain (filter))
return GST_FLOW_ERROR;
if (filter_class->filter)
filter_class->filter (filter, inbuf, outbuf);
else if (filter_class->filter_texture)