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qml6glovleray: add support for non-RGBA inputs

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5290>
This commit is contained in:
Matthew Waters 2023-09-06 20:28:20 +10:00 committed by GStreamer Marge Bot
parent 95db85e664
commit ba00a7efda
2 changed files with 59 additions and 3 deletions
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54
subprojects/gst-plugins-good/ext/qt6/gstqml6gloverlay.cc
View file

@ -91,12 +91,41 @@
#define GST_CAT_DEFAULT gst_debug_qml6_gl_overlay
GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
/* *INDENT-OFF* */
static GstStaticPadTemplate qml6_overlay_src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_GL_MEMORY "), "
"format = (string) RGBA, "
"width = " GST_VIDEO_SIZE_RANGE ", "
"height = " GST_VIDEO_SIZE_RANGE ", "
"framerate = " GST_VIDEO_FPS_RANGE ","
"texture-target = (string) 2D"
));
static GstStaticPadTemplate qml6_overlay_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw(ANY), "
"format = (string) { RGBA, BGRA, YV12 }, "
"width = " GST_VIDEO_SIZE_RANGE ", "
"height = " GST_VIDEO_SIZE_RANGE ", "
"framerate = " GST_VIDEO_FPS_RANGE ","
"texture-target = (string) 2D"
));
/* *INDENT-ON* */
static void gst_qml6_gl_overlay_finalize (GObject * object);
static void gst_qml6_gl_overlay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * param_spec);
static void gst_qml6_gl_overlay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * param_spec);
static GstCaps * gst_qml6_overlay_transform_internal_caps (GstGLFilter * filter,
GstPadDirection direction, GstCaps * caps, GstCaps * filter_caps);
static gboolean gst_qml6_gl_overlay_gl_start (GstGLBaseFilter * bfilter);
static void gst_qml6_gl_overlay_gl_stop (GstGLBaseFilter * bfilter);
static gboolean gst_qml6_gl_overlay_gl_set_caps (GstGLBaseFilter * bfilter,
@ -193,11 +222,16 @@ gst_qml6_gl_overlay_class_init (GstQml6GLOverlayClass * klass)
g_signal_new ("qml-scene-destroyed", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
gst_gl_filter_add_rgba_pad_templates (glfilter_class);
gst_element_class_add_static_pad_template (element_class,
&qml6_overlay_src_pad_template);
gst_element_class_add_static_pad_template (element_class,
&qml6_overlay_sink_pad_template);
btrans_class->prepare_output_buffer = gst_qml6_gl_overlay_prepare_output_buffer;
btrans_class->transform = gst_qml6_gl_overlay_transform;
glfilter_class->transform_internal_caps = gst_qml6_overlay_transform_internal_caps;
glbasefilter_class->gl_start = gst_qml6_gl_overlay_gl_start;
glbasefilter_class->gl_stop = gst_qml6_gl_overlay_gl_stop;
glbasefilter_class->gl_set_caps = gst_qml6_gl_overlay_gl_set_caps;
@ -398,6 +432,24 @@ gst_qml6_gl_overlay_gl_set_caps (GstGLBaseFilter * bfilter, GstCaps * in_caps,
return TRUE;
}
static GstCaps *
gst_qml6_overlay_transform_internal_caps (GstGLFilter * filter,
GstPadDirection direction, GstCaps * caps, GstCaps * filter_caps)
{
GstCaps *tmp = GST_GL_FILTER_CLASS (parent_class)->transform_internal_caps (filter, direction, caps, filter_caps);
int i, n;
n = gst_caps_get_size (tmp);
for (i = 0; i < n; i++) {
GstStructure *s = gst_caps_get_structure (tmp, i);
gst_structure_remove_fields (s, "format", "colorimetry", "chroma-site",
"texture-target", NULL);
}
return tmp;
}
static GstFlowReturn
gst_qml6_gl_overlay_prepare_output_buffer (GstBaseTransform * btrans,
GstBuffer * buffer, GstBuffer ** outbuf)

8
subprojects/gst-plugins-good/tests/examples/qt6/qmloverlay/main.cpp
View file

@ -59,6 +59,10 @@ int main(int argc, char *argv[])
GstElement *pipeline = gst_pipeline_new (NULL);
GstElement *src = gst_element_factory_make ("videotestsrc", NULL);
GstElement *capsfilter = gst_element_factory_make ("capsfilter", NULL);
GstCaps *caps = gst_caps_from_string ("video/x-raw,format=YV12");
g_object_set (capsfilter, "caps", caps, NULL);
gst_clear_caps (&caps);
GstElement *glupload = gst_element_factory_make ("glupload", NULL);
/* the plugin must be loaded before loading the qml file to register the
* GstGLVideoItem qml item */
@ -68,8 +72,8 @@ int main(int argc, char *argv[])
g_assert (src && glupload && overlay && sink);
gst_bin_add_many (GST_BIN (pipeline), src, glupload, overlay, overlay2, sink, NULL);
gst_element_link_many (src, glupload, overlay, overlay2, sink, NULL);
gst_bin_add_many (GST_BIN (pipeline), src, capsfilter, glupload, overlay, overlay2, sink, NULL);
gst_element_link_many (src, capsfilter, glupload, overlay, overlay2, sink, NULL);
/* load qmlglsink output */
QQmlApplicationEngine engine;