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MSDK: Handle context query into the decoder's query function.

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The MSDK decoder's query function is not set and it just forwards
all query to its base class. We now need to answer the context
query correctly. Other VA plugins need to query the VA display.

By the way, the current query of "gst.msdk.Context" is also missing.
The other MSDK elements must depend on the bin's context message(
sent in context_propagate()) to set their MsdkContext correctly.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1087>
This commit is contained in:
He Junyan 2021-08-17 22:34:43 +08:00 committed by GStreamer Marge Bot
parent 6635852c40
commit db5be289c7
1 changed files with 46 additions and 0 deletions
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46
subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.c
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@ -1722,6 +1722,50 @@ gst_msdkdec_finish (GstVideoDecoder * decoder)
return gst_msdkdec_drain (decoder);
}
static gboolean
gst_msdkdec_query (GstVideoDecoder * decoder, GstQuery * query,
GstPadDirection dir)
{
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
gboolean ret = FALSE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:{
GstMsdkContext *msdk_context = NULL;
gst_object_replace ((GstObject **) & msdk_context,
(GstObject *) thiz->context);
ret = gst_msdk_handle_context_query (GST_ELEMENT_CAST (decoder),
query, msdk_context);
gst_clear_object (&msdk_context);
break;
}
default:
if (dir == GST_PAD_SRC) {
ret =
GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query);
} else {
ret =
GST_VIDEO_DECODER_CLASS (parent_class)->sink_query (decoder, query);
}
break;
}
return ret;
}
static gboolean
gst_msdkdec_src_query (GstVideoDecoder * decoder, GstQuery * query)
{
return gst_msdkdec_query (decoder, query, GST_PAD_SRC);
}
static gboolean
gst_msdkdec_sink_query (GstVideoDecoder * decoder, GstQuery * query)
{
return gst_msdkdec_query (decoder, query, GST_PAD_SINK);
}
static void
gst_msdkdec_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
@ -1880,6 +1924,8 @@ gst_msdkdec_class_init (GstMsdkDecClass * klass)
decoder_class->drain = GST_DEBUG_FUNCPTR (gst_msdkdec_drain);
decoder_class->transform_meta =
GST_DEBUG_FUNCPTR (gst_msdkdec_transform_meta);
decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_msdkdec_src_query);
decoder_class->sink_query = GST_DEBUG_FUNCPTR (gst_msdkdec_sink_query);
klass->post_configure = GST_DEBUG_FUNCPTR (gst_msdkdec_post_configure);
klass->preinit_decoder = GST_DEBUG_FUNCPTR (gst_msdkdec_preinit_decoder);