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vaapidecode: use video decoder getcaps()

Browse source 
The usage of getcaps() vmethod is preferred than to handle manually the sink's
caps query.

In order to avoid function declarations, this patch moves the class_init()
method to the end of the file.
This commit is contained in:
Víctor Manuel Jáquez Leal 2016-02-17 13:43:48 +01:00
parent 5b5ebc0a15
commit 6034734d73
1 changed files with 50 additions and 70 deletions
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120
gst/vaapi/gstvaapidecode.c
View file

@ -136,10 +136,6 @@ static gboolean
gst_vaapi_decode_input_state_replace (GstVaapiDecode * decode,
const GstVideoCodecState * new_state);
static gboolean
gst_vaapidecode_sink_query (GstVideoDecoder * vdec, GstQuery * query);
static gboolean
gst_vaapidecode_src_query (GstVideoDecoder * vdec, GstQuery * query);
static gboolean gst_vaapidecode_negotiate (GstVaapiDecode * decode);
static void
@ -946,52 +942,6 @@ gst_vaapidecode_parse (GstVideoDecoder * vdec,
return ret;
}
static void
gst_vaapidecode_class_init (GstVaapiDecodeClass * klass)
{
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
GstElementClass *const element_class = GST_ELEMENT_CLASS (klass);
GstVideoDecoderClass *const vdec_class = GST_VIDEO_DECODER_CLASS (klass);
GstPadTemplate *pad_template;
GST_DEBUG_CATEGORY_INIT (gst_debug_vaapidecode,
GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
gst_vaapi_plugin_base_class_init (GST_VAAPI_PLUGIN_BASE_CLASS (klass));
object_class->finalize = gst_vaapidecode_finalize;
vdec_class->open = GST_DEBUG_FUNCPTR (gst_vaapidecode_open);
vdec_class->close = GST_DEBUG_FUNCPTR (gst_vaapidecode_close);
vdec_class->set_format = GST_DEBUG_FUNCPTR (gst_vaapidecode_set_format);
vdec_class->flush = GST_DEBUG_FUNCPTR (gst_vaapidecode_flush);
vdec_class->parse = GST_DEBUG_FUNCPTR (gst_vaapidecode_parse);
vdec_class->handle_frame = GST_DEBUG_FUNCPTR (gst_vaapidecode_handle_frame);
vdec_class->finish = GST_DEBUG_FUNCPTR (gst_vaapidecode_finish);
vdec_class->drain = GST_DEBUG_FUNCPTR (gst_vaapidecode_drain);
vdec_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_vaapidecode_decide_allocation);
vdec_class->src_query = GST_DEBUG_FUNCPTR (gst_vaapidecode_src_query);
vdec_class->sink_query = GST_DEBUG_FUNCPTR (gst_vaapidecode_sink_query);
gst_element_class_set_static_metadata (element_class,
"VA-API decoder",
"Codec/Decoder/Video",
GST_PLUGIN_DESC,
"Gwenole Beauchesne <gwenole.beauchesne@intel.com>, "
"Halley Zhao <halley.zhao@intel.com>, "
"Sreerenj Balachandran <sreerenj.balachandran@intel.com>, "
"Wind Yuan <feng.yuan@intel.com>");
/* sink pad */
pad_template = gst_static_pad_template_get (&gst_vaapidecode_sink_factory);
gst_element_class_add_pad_template (element_class, pad_template);
/* src pad */
pad_template = gst_static_pad_template_get (&gst_vaapidecode_src_factory);
gst_element_class_add_pad_template (element_class, pad_template);
}
static gboolean
gst_vaapidecode_ensure_allowed_caps (GstVaapiDecode * decode)
{
@ -1052,16 +1002,16 @@ error_no_memory:
}
static GstCaps *
gst_vaapidecode_get_caps (GstPad * pad)
gst_vaapidecode_sink_getcaps (GstVideoDecoder * vdec, GstCaps * filter)
{
GstVaapiDecode *const decode = GST_VAAPIDECODE (GST_OBJECT_PARENT (pad));
GstVaapiDecode *const decode = GST_VAAPIDECODE (vdec);
if (decode->allowed_caps)
goto bail;
/* if we haven't a display yet, return our pad's template caps */
if (!GST_VAAPI_PLUGIN_BASE_DISPLAY (decode))
return gst_pad_get_pad_template_caps (pad);
return gst_pad_get_pad_template_caps (GST_VIDEO_DECODER_SINK_PAD (vdec));
/* if the allowed caps calculation fails, return an empty caps, so
* the auto-plug can try other decoder */
@ -1080,23 +1030,6 @@ gst_vaapidecode_sink_query (GstVideoDecoder * vdec, GstQuery * query)
GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (decode);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:{
GstCaps *caps, *filter = NULL;
GstPad *pad = GST_VIDEO_DECODER_SINK_PAD (vdec);
gst_query_parse_caps (query, &filter);
caps = gst_vaapidecode_get_caps (pad);
if (filter) {
GstCaps *tmp = caps;
caps = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
}
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
break;
}
case GST_QUERY_CONTEXT:{
ret = gst_vaapi_handle_context_query (query, plugin->display);
break;
@ -1150,6 +1083,53 @@ gst_vaapidecode_src_query (GstVideoDecoder * vdec, GstQuery * query)
return ret;
}
static void
gst_vaapidecode_class_init (GstVaapiDecodeClass * klass)
{
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
GstElementClass *const element_class = GST_ELEMENT_CLASS (klass);
GstVideoDecoderClass *const vdec_class = GST_VIDEO_DECODER_CLASS (klass);
GstPadTemplate *pad_template;
GST_DEBUG_CATEGORY_INIT (gst_debug_vaapidecode,
GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
gst_vaapi_plugin_base_class_init (GST_VAAPI_PLUGIN_BASE_CLASS (klass));
object_class->finalize = gst_vaapidecode_finalize;
vdec_class->open = GST_DEBUG_FUNCPTR (gst_vaapidecode_open);
vdec_class->close = GST_DEBUG_FUNCPTR (gst_vaapidecode_close);
vdec_class->set_format = GST_DEBUG_FUNCPTR (gst_vaapidecode_set_format);
vdec_class->flush = GST_DEBUG_FUNCPTR (gst_vaapidecode_flush);
vdec_class->parse = GST_DEBUG_FUNCPTR (gst_vaapidecode_parse);
vdec_class->handle_frame = GST_DEBUG_FUNCPTR (gst_vaapidecode_handle_frame);
vdec_class->finish = GST_DEBUG_FUNCPTR (gst_vaapidecode_finish);
vdec_class->drain = GST_DEBUG_FUNCPTR (gst_vaapidecode_drain);
vdec_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_vaapidecode_decide_allocation);
vdec_class->src_query = GST_DEBUG_FUNCPTR (gst_vaapidecode_src_query);
vdec_class->sink_query = GST_DEBUG_FUNCPTR (gst_vaapidecode_sink_query);
vdec_class->getcaps = GST_DEBUG_FUNCPTR (gst_vaapidecode_sink_getcaps);
gst_element_class_set_static_metadata (element_class,
"VA-API decoder",
"Codec/Decoder/Video",
GST_PLUGIN_DESC,
"Gwenole Beauchesne <gwenole.beauchesne@intel.com>, "
"Halley Zhao <halley.zhao@intel.com>, "
"Sreerenj Balachandran <sreerenj.balachandran@intel.com>, "
"Wind Yuan <feng.yuan@intel.com>");
/* sink pad */
pad_template = gst_static_pad_template_get (&gst_vaapidecode_sink_factory);
gst_element_class_add_pad_template (element_class, pad_template);
/* src pad */
pad_template = gst_static_pad_template_get (&gst_vaapidecode_src_factory);
gst_element_class_add_pad_template (element_class, pad_template);
}
static void
gst_vaapidecode_init (GstVaapiDecode * decode)
{