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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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vaapidecode: use the query virtual methods in 1.4
GstVideoDecoder, the base class of vaapidecode, added support for
pad queries as virtual methods. This patch enables the use of that
support, while keeping support for lower versions of gstreamer.
This patch is important because GstVideoDecoder takes care of other
queries that might be important in the pipeline managing.
v2: 1) rebase to current master
2) fix indentation with gst-indent
3) simplify the patch layout
4) fix the context query
5) initialise the filter to NULL
6) improve the query log message for gst-1.2
https://bugzilla.gnome.org/show_bug.cgi?id=744406
This commit is contained in:
Víctor Manuel Jáquez Leal
Sreerenj Balachandran
parent
98655a195f
commit
2f8c1159e3
1 changed files with 116 additions and 59 deletions
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@ -113,6 +113,11 @@ static gboolean
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gst_vaapi_decode_input_state_replace (GstVaapiDecode * decode,
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const GstVideoCodecState * new_state);
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static gboolean
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gst_vaapidecode_sink_query (GstVideoDecoder * vdec, GstQuery * query);
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static gboolean
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gst_vaapidecode_src_query (GstVideoDecoder * vdec, GstQuery * query);
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static void
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gst_vaapi_decoder_state_changed (GstVaapiDecoder * decoder,
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const GstVideoCodecState * codec_state, gpointer user_data)
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@ -844,6 +849,10 @@ gst_vaapidecode_class_init (GstVaapiDecodeClass * klass)
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vdec_class->decide_allocation =
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GST_DEBUG_FUNCPTR (gst_vaapidecode_decide_allocation);
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#endif
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#if GST_CHECK_VERSION(1,4,0)
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vdec_class->src_query = GST_DEBUG_FUNCPTR (gst_vaapidecode_src_query);
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vdec_class->sink_query = GST_DEBUG_FUNCPTR (gst_vaapidecode_sink_query);
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#endif
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gst_element_class_set_static_metadata (element_class,
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"VA-API decoder",
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@ -940,88 +949,134 @@ gst_vaapidecode_get_caps (GstPad * pad)
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return gst_caps_ref (decode->allowed_caps);
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}
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#if !GST_CHECK_VERSION(1,4,0)
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static gboolean
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gst_vaapidecode_query (GST_PAD_QUERY_FUNCTION_ARGS)
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{
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GstVaapiDecode *const decode =
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GST_VAAPIDECODE (gst_pad_get_parent_element (pad));
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GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (decode);
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GstVideoDecoder *const vdec = GST_VIDEO_DECODER (decode);
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gboolean res;
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GST_INFO_OBJECT (decode, "query type %s", GST_QUERY_TYPE_NAME (query));
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GST_INFO_OBJECT (decode, "query type %s on %s pad",
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GST_QUERY_TYPE_NAME (query), GST_PAD_IS_SINK (pad) ? "sink" : "src");
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if (GST_PAD_IS_SINK (pad))
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res = gst_vaapidecode_sink_query (vdec, query);
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else
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res = gst_vaapidecode_src_query (vdec, query);
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gst_object_unref (vdec);
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return res;
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}
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#endif
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static gboolean
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gst_vaapidecode_sink_query (GstVideoDecoder * vdec, GstQuery * query)
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{
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gboolean ret = TRUE;
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GstVaapiDecode *const decode = GST_VAAPIDECODE (vdec);
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GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (decode);
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if (gst_vaapi_reply_to_query (query, plugin->display)) {
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GST_DEBUG ("sharing display %p", plugin->display);
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res = TRUE;
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} else if (GST_PAD_IS_SINK (pad)) {
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switch (GST_QUERY_TYPE (query)) {
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GST_DEBUG_OBJECT (decode, "sharing display %p", plugin->display);
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return TRUE;
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}
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switch (GST_QUERY_TYPE (query)) {
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#if GST_CHECK_VERSION(1,0,0)
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case GST_QUERY_CAPS:{
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GstCaps *filter, *caps = NULL;
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case GST_QUERY_CAPS:{
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GstCaps *caps, *filter = NULL;
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GstPad *pad = GST_VIDEO_DECODER_SINK_PAD (vdec);
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gst_query_parse_caps (query, &filter);
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caps = gst_vaapidecode_get_caps (pad);
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gst_query_parse_caps (query, &filter);
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caps = gst_vaapidecode_get_caps (pad);
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if (filter) {
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GstCaps *tmp = caps;
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caps = gst_caps_intersect_full (filter, tmp,
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GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (tmp);
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}
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GST_DEBUG_OBJECT (decode, "Returning sink caps %" GST_PTR_FORMAT, caps);
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gst_query_set_caps_result (query, caps);
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gst_caps_unref (caps);
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res = TRUE;
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break;
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if (filter) {
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GstCaps *tmp = caps;
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caps = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (tmp);
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}
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#endif
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default:
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res = GST_PAD_QUERY_FUNCTION_CALL (plugin->sinkpad_query, pad,
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parent, query);
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break;
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gst_query_set_caps_result (query, caps);
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gst_caps_unref (caps);
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break;
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}
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} else {
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switch (GST_QUERY_TYPE (query)) {
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#if GST_CHECK_VERSION(1,0,0)
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case GST_QUERY_CAPS:{
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GstCaps *filter, *caps = NULL;
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gst_query_parse_caps (query, &filter);
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caps = gst_pad_get_pad_template_caps (pad);
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if (filter) {
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GstCaps *tmp = caps;
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caps = gst_caps_intersect_full (filter, tmp,
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GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (tmp);
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}
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GST_DEBUG_OBJECT (decode, "Returning src caps %" GST_PTR_FORMAT, caps);
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gst_query_set_caps_result (query, caps);
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gst_caps_unref (caps);
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res = TRUE;
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break;
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}
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#endif
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default:
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res = GST_PAD_QUERY_FUNCTION_CALL (plugin->srcpad_query, pad,
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parent, query);
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break;
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default:{
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#if GST_CHECK_VERSION(1,4,0)
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ret = GST_VIDEO_DECODER_CLASS (gst_vaapidecode_parent_class)->sink_query
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(vdec, query);
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#else
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GstPad *pad = GST_VIDEO_DECODER_SINK_PAD (vdec);
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GstObject *parent = gst_pad_get_parent (pad);
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ret = GST_PAD_QUERY_FUNCTION_CALL (plugin->sinkpad_query, pad, parent,
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query);
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if (parent)
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gst_object_unref (parent);
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#endif
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break;
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}
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}
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gst_object_unref (decode);
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return res;
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return ret;
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}
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static gboolean
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gst_vaapidecode_src_query (GstVideoDecoder * vdec, GstQuery * query)
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{
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gboolean ret = TRUE;
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GstVaapiDecode *const decode = GST_VAAPIDECODE (vdec);
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GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (decode);
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if (gst_vaapi_reply_to_query (query, plugin->display)) {
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GST_DEBUG_OBJECT (decode, "sharing display %p", plugin->display);
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return TRUE;
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}
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switch (GST_QUERY_TYPE (query)) {
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#if GST_CHECK_VERSION(1,0,0)
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case GST_QUERY_CAPS:{
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GstCaps *caps, *filter = NULL;
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GstPad *pad = GST_VIDEO_DECODER_SRC_PAD (vdec);
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gst_query_parse_caps (query, &filter);
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caps = gst_pad_get_pad_template_caps (pad);
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if (filter) {
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GstCaps *tmp = caps;
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caps = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (tmp);
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}
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gst_query_set_caps_result (query, caps);
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gst_caps_unref (caps);
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break;
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}
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#endif
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default:{
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#if GST_CHECK_VERSION(1,4,0)
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ret = GST_VIDEO_DECODER_CLASS (gst_vaapidecode_parent_class)->src_query
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(vdec, query);
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#else
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GstPad *pad = GST_VIDEO_DECODER_SRC_PAD (vdec);
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GstObject *parent = gst_pad_get_parent (pad);
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ret = GST_PAD_QUERY_FUNCTION_CALL (plugin->sinkpad_query, pad, parent,
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query);
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if (parent)
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gst_object_unref (parent);
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#endif
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break;
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}
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}
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return ret;
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}
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static void
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gst_vaapidecode_init (GstVaapiDecode * decode)
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{
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GstVideoDecoder *const vdec = GST_VIDEO_DECODER (decode);
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GstPad *pad;
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gst_vaapi_plugin_base_init (GST_VAAPI_PLUGIN_BASE (decode), GST_CAT_DEFAULT);
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@ -1034,8 +1089,9 @@ gst_vaapidecode_init (GstVaapiDecode * decode)
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gst_video_decoder_set_packetized (vdec, FALSE);
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#if !GST_CHECK_VERSION(1,4,0)
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/* Pad through which data comes in to the element */
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pad = GST_VAAPI_PLUGIN_BASE_SINK_PAD (decode);
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GstPad *pad = GST_VAAPI_PLUGIN_BASE_SINK_PAD (decode);
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gst_pad_set_query_function (pad, GST_DEBUG_FUNCPTR (gst_vaapidecode_query));
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#if !GST_CHECK_VERSION(1,0,0)
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gst_pad_set_getcaps_function (pad, gst_vaapidecode_get_caps);
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@ -1044,4 +1100,5 @@ gst_vaapidecode_init (GstVaapiDecode * decode)
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/* Pad through which data goes out of the element */
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pad = GST_VAAPI_PLUGIN_BASE_SRC_PAD (decode);
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gst_pad_set_query_function (pad, GST_DEBUG_FUNCPTR (gst_vaapidecode_query));
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#endif
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}
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