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plugins: base: add GstVideoAggregator subclass support

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This commit is contained in:
U. Artie Eoff 2019-11-14 11:54:59 -08:00 committed by Víctor Manuel Jáquez Leal
parent 1b7f737ecd
commit 894c1da6c7
2 changed files with 105 additions and 15 deletions
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91
gst/vaapi/gstvaapipluginbase.c
View file

@ -841,6 +841,27 @@ _set_sinkpad_caps (GstVaapiPluginBase * plugin, GstPad * sinkpad,
return TRUE;
}
/**
* gst_vaapi_plugin_base_pad_set_caps:
* @plugin: a #GstVaapiPluginBase
* @sinkpad: the sink pad to set @incaps on
* @incaps: the sink pad (input) caps
* @srcpad: the src pad to set @outcaps on
* @outcaps: the src pad (output) caps
*
* Notifies the base plugin object of the new input and output caps,
* obtained from the subclass on the requested pads.
*
* Returns: %TRUE if the update of caps was successful, %FALSE otherwise.
*/
gboolean
gst_vaapi_plugin_base_pad_set_caps (GstVaapiPluginBase * plugin,
GstPad * sinkpad, GstCaps * incaps, GstPad * srcpad, GstCaps * outcaps)
{
return _set_sinkpad_caps (plugin, sinkpad, incaps)
&& _set_srcpad_caps (plugin, srcpad, outcaps);
}
/**
* gst_vaapi_plugin_base_set_caps:
* @plugin: a #GstVaapiPluginBase
@ -856,25 +877,26 @@ gboolean
gst_vaapi_plugin_base_set_caps (GstVaapiPluginBase * plugin, GstCaps * incaps,
GstCaps * outcaps)
{
return _set_sinkpad_caps (plugin, plugin->sinkpad, incaps)
&& _set_srcpad_caps (plugin, plugin->srcpad, outcaps);
return gst_vaapi_plugin_base_pad_set_caps (plugin, plugin->sinkpad, incaps,
plugin->srcpad, outcaps);
}
/**
* gst_vaapi_plugin_base_propose_allocation:
* gst_vaapi_plugin_base_pad_propose_allocation:
* @plugin: a #GstVaapiPluginBase
* @sinkpad: the sinkpad to configure the allocation query on
* @query: the allocation query to configure
*
* Proposes allocation parameters to the upstream elements on the base plugin
* static sinkpad.
* Proposes allocation parameters to the upstream elements on the requested
* sinkpad.
*
* Returns: %TRUE if successful, %FALSE otherwise.
*/
gboolean
gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin,
GstQuery * query)
gst_vaapi_plugin_base_pad_propose_allocation (GstVaapiPluginBase * plugin,
GstPad * sinkpad, GstQuery * query)
{
GstVaapiPadPrivate *sinkpriv = GST_VAAPI_PAD_PRIVATE (plugin->sinkpad);
GstVaapiPadPrivate *sinkpriv = GST_VAAPI_PAD_PRIVATE (sinkpad);
GstCaps *caps = NULL;
GstBufferPool *pool = NULL;
gboolean need_pool;
@ -884,7 +906,7 @@ gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin,
if (!caps)
goto error_no_caps;
if (!ensure_sinkpad_allocator (plugin, plugin->sinkpad, caps, &size))
if (!ensure_sinkpad_allocator (plugin, sinkpad, caps, &size))
return FALSE;
if (need_pool) {
@ -927,6 +949,24 @@ error_no_caps:
}
}
/**
* gst_vaapi_plugin_base_propose_allocation:
* @plugin: a #GstVaapiPluginBase
* @query: the allocation query to configure
*
* Proposes allocation parameters to the upstream elements on the base plugin
* static sinkpad.
*
* Returns: %TRUE if successful, %FALSE otherwise.
*/
gboolean
gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin,
GstQuery * query)
{
return gst_vaapi_plugin_base_pad_propose_allocation (plugin, plugin->sinkpad,
query);
}
/**
* gst_vaapi_plugin_base_decide_allocation:
* @plugin: a #GstVaapiPluginBase
@ -1120,8 +1160,9 @@ error:
}
/**
* gst_vaapi_plugin_base_get_input_buffer:
* gst_vaapi_plugin_base_pad_get_input_buffer:
* @plugin: a #GstVaapiPluginBase
* @sinkpad: the sink pad to obtain input buffer on
* @inbuf: the sink pad (input) buffer
* @outbuf_ptr: the pointer to location to the VA surface backed buffer
*
@ -1133,10 +1174,10 @@ error:
* Returns: #GST_FLOW_OK if the buffer could be acquired
*/
GstFlowReturn
gst_vaapi_plugin_base_get_input_buffer (GstVaapiPluginBase * plugin,
GstBuffer * inbuf, GstBuffer ** outbuf_ptr)
gst_vaapi_plugin_base_pad_get_input_buffer (GstVaapiPluginBase * plugin,
GstPad * sinkpad, GstBuffer * inbuf, GstBuffer ** outbuf_ptr)
{
GstVaapiPadPrivate *sinkpriv = GST_VAAPI_PAD_PRIVATE (plugin->sinkpad);
GstVaapiPadPrivate *sinkpriv = GST_VAAPI_PAD_PRIVATE (sinkpad);
GstVaapiVideoMeta *meta;
GstBuffer *outbuf;
GstVideoFrame src_frame, out_frame;
@ -1167,8 +1208,7 @@ gst_vaapi_plugin_base_get_input_buffer (GstVaapiPluginBase * plugin,
goto error_create_buffer;
if (is_dma_buffer (inbuf)) {
if (!plugin_bind_dma_to_vaapi_buffer (plugin, plugin->sinkpad, inbuf,
outbuf))
if (!plugin_bind_dma_to_vaapi_buffer (plugin, sinkpad, inbuf, outbuf))
goto error_bind_dma_buffer;
goto done;
}
@ -1246,6 +1286,27 @@ error_copy_buffer:
}
}
/**
* gst_vaapi_plugin_base_get_input_buffer:
* @plugin: a #GstVaapiPluginBase
* @inbuf: the sink pad (input) buffer
* @outbuf_ptr: the pointer to location to the VA surface backed buffer
*
* Acquires the static sink pad (input) buffer as a VA surface backed
* buffer. This is mostly useful for raw YUV buffers, as source
* buffers that are already backed as a VA surface are passed
* verbatim.
*
* Returns: #GST_FLOW_OK if the buffer could be acquired
*/
GstFlowReturn
gst_vaapi_plugin_base_get_input_buffer (GstVaapiPluginBase * plugin,
GstBuffer * inbuf, GstBuffer ** outbuf_ptr)
{
return gst_vaapi_plugin_base_pad_get_input_buffer (plugin, plugin->sinkpad,
inbuf, outbuf_ptr);
}
/**
* gst_vaapi_plugin_base_set_gl_context:
* @plugin: a #GstVaapiPluginBase

29
gst/vaapi/gstvaapipluginbase.h
View file

@ -138,6 +138,18 @@ struct _GstVaapiPadPrivate
GstAllocationParams other_allocator_params;
};
G_GNUC_INTERNAL
GstVaapiPadPrivate *
gst_vaapi_pad_private_new (void);
G_GNUC_INTERNAL
void
gst_vaapi_pad_private_reset (GstVaapiPadPrivate * priv);
G_GNUC_INTERNAL
void
gst_vaapi_pad_private_finalize (GstVaapiPadPrivate * priv);
struct _GstVaapiPluginBase
{
/*< private >*/
@ -148,6 +160,7 @@ struct _GstVaapiPluginBase
GstVideoEncoder encoder;
GstBaseTransform transform;
GstVideoSink sink;
GstVideoAggregator aggregator;
} parent_instance;
GstDebugCategory *debug_category;
@ -183,6 +196,7 @@ struct _GstVaapiPluginBaseClass
GstVideoEncoderClass encoder;
GstBaseTransformClass transform;
GstVideoSinkClass sink;
GstVideoAggregatorClass aggregator;
} parent_class;
gboolean (*has_interface) (GstVaapiPluginBase * plugin, GType type);
@ -239,11 +253,21 @@ gboolean
gst_vaapi_plugin_base_set_caps (GstVaapiPluginBase * plugin, GstCaps * incaps,
GstCaps * outcaps);
G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_pad_set_caps (GstVaapiPluginBase *plugin,
GstPad * sinkpad, GstCaps * incaps, GstPad * srcpad, GstCaps * outcaps);
G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin,
GstQuery * query);
G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_pad_propose_allocation (GstVaapiPluginBase * plugin,
GstPad * sinkpad, GstQuery * query);
G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_decide_allocation (GstVaapiPluginBase * plugin,
@ -254,6 +278,11 @@ GstFlowReturn
gst_vaapi_plugin_base_get_input_buffer (GstVaapiPluginBase * plugin,
GstBuffer * inbuf, GstBuffer ** outbuf_ptr);
G_GNUC_INTERNAL
GstFlowReturn
gst_vaapi_plugin_base_pad_get_input_buffer (GstVaapiPluginBase * plugin,
GstPad * sinkpad, GstBuffer * inbuf, GstBuffer ** outbuf_ptr);
G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_set_context (GstVaapiPluginBase * plugin,