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vulkancolorconvert: actually support passthrough correctly

Browse source 
e.g. passthrough of YUV (or RGB) formats should not modify any buffers.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5317>
This commit is contained in:
Matthew Waters 2023-09-12 13:05:43 +10:00 committed by GStreamer Marge Bot
parent fcd591c1af
commit c6b867e470
1 changed files with 41 additions and 0 deletions
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41
subprojects/gst-plugins-bad/ext/vulkan/vkcolorconvert.c
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@ -1113,6 +1113,36 @@ gst_vulkan_color_convert_start (GstBaseTransform * bt)
return TRUE;
}
static gboolean
vulkan_color_convert_can_passthrough_info (const GstVideoInfo * in,
const GstVideoInfo * out)
{
gint i;
if (GST_VIDEO_INFO_FORMAT (in) != GST_VIDEO_INFO_FORMAT (out))
return FALSE;
if (GST_VIDEO_INFO_WIDTH (in) != GST_VIDEO_INFO_WIDTH (out))
return FALSE;
if (GST_VIDEO_INFO_HEIGHT (in) != GST_VIDEO_INFO_HEIGHT (out))
return FALSE;
if (GST_VIDEO_INFO_SIZE (in) != GST_VIDEO_INFO_SIZE (out))
return FALSE;
for (i = 0; i < in->finfo->n_planes; i++) {
if (in->stride[i] != out->stride[i])
return FALSE;
if (in->offset[i] != out->offset[i])
return FALSE;
}
if (!gst_video_colorimetry_is_equal (&in->colorimetry, &out->colorimetry))
return FALSE;
if (in->chroma_site != out->chroma_site)
return FALSE;
return TRUE;
}
static gboolean
gst_vulkan_color_convert_set_caps (GstBaseTransform * bt, GstCaps * in_caps,
GstCaps * out_caps)
@ -1120,12 +1150,18 @@ gst_vulkan_color_convert_set_caps (GstBaseTransform * bt, GstCaps * in_caps,
GstVulkanVideoFilter *vfilter = GST_VULKAN_VIDEO_FILTER (bt);
GstVulkanColorConvert *conv = GST_VULKAN_COLOR_CONVERT (bt);
GstVulkanHandle *vert, *frag;
gboolean passthrough;
int i;
if (!GST_BASE_TRANSFORM_CLASS (parent_class)->set_caps (bt, in_caps,
out_caps))
return FALSE;
passthrough =
vulkan_color_convert_can_passthrough_info (&vfilter->in_info,
&vfilter->out_info);
gst_base_transform_set_passthrough (bt, passthrough);
if (!gst_vulkan_full_screen_quad_set_info (conv->quad, &vfilter->in_info,
&vfilter->out_info))
return FALSE;
@ -1135,6 +1171,11 @@ gst_vulkan_color_convert_set_caps (GstBaseTransform * bt, GstCaps * in_caps,
conv->current_shader = NULL;
}
if (passthrough) {
conv->current_shader = NULL;
return TRUE;
}
for (i = 0; i < G_N_ELEMENTS (shader_infos); i++) {
if (shader_infos[i].from != GST_VIDEO_INFO_FORMAT (&vfilter->in_info))
continue;