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vapostproc: optimization for va memory to system memory only

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When the conversion is only caps feature from memory:VAMemory to system memory,
it's possible to optimize by doing a pseudo pass-through since the va-backed
buffers are the same for system memory buffers.

This change will also mitigates #2940

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6174>
This commit is contained in:
Víctor Manuel Jáquez Leal 2024-02-21 18:14:36 +01:00 committed by GStreamer Marge Bot
parent 06dc931b52
commit 9567f8f444
1 changed files with 28 additions and 0 deletions
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28
subprojects/gst-plugins-bad/sys/va/gstvavpp.c
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@ -125,6 +125,8 @@ struct _GstVaVpp
gboolean has_hdr_meta;
VAHdrMetaDataHDR10 hdr_meta;
gboolean pseudo_passthrough;
GList *channels;
};
@ -818,6 +820,26 @@ gst_va_vpp_before_transform (GstBaseTransform * trans, GstBuffer * inbuf)
GST_OBJECT_UNLOCK (self);
}
static GstFlowReturn
gst_va_vpp_prepare_output_buffer (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer ** outbuf)
{
GstVaVpp *self = GST_VA_VPP (trans);
GstVaBaseTransform *btrans = GST_VA_BASE_TRANSFORM (self);
if (((self->op_flags & VPP_CONVERT_FEATURE) == self->op_flags)
&& gst_caps_is_vamemory (btrans->in_caps)
&& gst_caps_is_raw (btrans->out_caps)) {
self->pseudo_passthrough = TRUE;
*outbuf = inbuf;
return GST_FLOW_OK;
}
self->pseudo_passthrough = FALSE;
return GST_BASE_TRANSFORM_CLASS (parent_class)->prepare_output_buffer (trans,
inbuf, outbuf);
}
static GstFlowReturn
gst_va_vpp_transform (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
@ -835,6 +857,9 @@ gst_va_vpp_transform (GstBaseTransform * trans, GstBuffer * inbuf,
if (res != GST_FLOW_OK)
return res;
if (self->pseudo_passthrough && (inbuf == buf))
goto bail;
/* *INDENT-OFF* */
src = (GstVaSample) {
.buffer = buf,
@ -854,6 +879,7 @@ gst_va_vpp_transform (GstBaseTransform * trans, GstBuffer * inbuf,
res = GST_BASE_TRANSFORM_FLOW_DROPPED;
}
bail:
gst_buffer_unref (buf);
return res;
@ -2257,6 +2283,8 @@ gst_va_vpp_class_init (gpointer g_class, gpointer class_data)
trans_class->transform_meta = GST_DEBUG_FUNCPTR (gst_va_vpp_transform_meta);
trans_class->src_event = GST_DEBUG_FUNCPTR (gst_va_vpp_src_event);
trans_class->sink_event = GST_DEBUG_FUNCPTR (gst_va_vpp_sink_event);
trans_class->prepare_output_buffer =
GST_DEBUG_FUNCPTR (gst_va_vpp_prepare_output_buffer);
trans_class->transform_ip_on_passthrough = FALSE;