FaSTTUBe/GST-Tensordecoder-ov_ep
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gl: Implement basetransform meta transform function

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This makes sure we can pass through more metas correctly, e.g.
GstVideoOverlayComposition meta.

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/4422

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9004>
This commit is contained in:
Sebastian Dröge 2025-05-17 11:40:51 +03:00 committed by GStreamer Marge Bot
parent 1c3bc57d00
commit 6072e54666
5 changed files with 155 additions and 2 deletions
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27
subprojects/gst-plugins-base/ext/gl/gstglcolorbalance.c
View File

@ -390,6 +390,32 @@ gst_gl_color_balance_before_transform (GstBaseTransform * base, GstBuffer * buf)
gst_object_sync_values (GST_OBJECT (balance), stream_time);
}
static gboolean
gst_gl_color_balance_transform_meta (GstBaseTransform * bt,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf)
{
const GstMetaInfo *info = meta->info;
gboolean should_copy = TRUE;
const gchar *valid_tags[] = {
GST_META_TAG_VIDEO_STR,
GST_META_TAG_VIDEO_ORIENTATION_STR,
GST_META_TAG_VIDEO_SIZE_STR,
GST_META_TAG_VIDEO_COLORSPACE_STR,
NULL
};
should_copy = gst_meta_api_type_tags_contain_only (info->api, valid_tags);
/* Can't handle the tags in this meta, let the parent class handle it */
if (!should_copy) {
return GST_BASE_TRANSFORM_CLASS (parent_class)->transform_meta (bt,
outbuf, meta, inbuf);
}
/* No need to transform, we can safely copy this meta */
return TRUE;
}
static gboolean
gst_gl_color_balance_filter_texture (GstGLFilter * filter, GstGLMemory * in_tex,
GstGLMemory * out_tex)
@ -481,6 +507,7 @@ gst_gl_color_balance_class_init (GstGLColorBalanceClass * klass)
trans_class->before_transform =
GST_DEBUG_FUNCPTR (gst_gl_color_balance_before_transform);
trans_class->transform_ip_on_passthrough = FALSE;
trans_class->transform_meta = gst_gl_color_balance_transform_meta;
base_filter_class->gl_start =
GST_DEBUG_FUNCPTR (gst_gl_color_balance_gl_start);

29
subprojects/gst-plugins-base/ext/gl/gstglcolorconvertelement.c
View File

@ -57,6 +57,9 @@ static GstFlowReturn gst_gl_color_convert_element_transform (GstBaseTransform *
bt, GstBuffer * inbuf, GstBuffer * outbuf);
static GstCaps *gst_gl_color_convert_element_fixate_caps (GstBaseTransform * bt,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
static gboolean
gst_gl_color_convert_transform_meta (GstBaseTransform * bt,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf);
static GstStateChangeReturn
gst_gl_color_convert_element_change_state (GstElement * element,
GstStateChange transition);
@ -101,6 +104,7 @@ gst_gl_color_convert_element_class_init (GstGLColorConvertElementClass * klass)
gst_gl_color_convert_element_prepare_output_buffer;
bt_class->transform = gst_gl_color_convert_element_transform;
bt_class->fixate_caps = gst_gl_color_convert_element_fixate_caps;
bt_class->transform_meta = gst_gl_color_convert_transform_meta;
bt_class->passthrough_on_same_caps = TRUE;
@ -246,6 +250,31 @@ gst_gl_color_convert_element_transform (GstBaseTransform * bt,
return GST_FLOW_OK;
}
static gboolean
gst_gl_color_convert_transform_meta (GstBaseTransform * bt,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf)
{
const GstMetaInfo *info = meta->info;
gboolean should_copy = TRUE;
const gchar *valid_tags[] = {
GST_META_TAG_VIDEO_STR,
GST_META_TAG_VIDEO_ORIENTATION_STR,
GST_META_TAG_VIDEO_SIZE_STR,
NULL
};
should_copy = gst_meta_api_type_tags_contain_only (info->api, valid_tags);
/* Cant handle the tags in this meta, let the parent class handle it */
if (!should_copy) {
return GST_BASE_TRANSFORM_CLASS (parent_class)->transform_meta (bt,
outbuf, meta, inbuf);
}
/* No need to transform, we can safely copy this meta */
return TRUE;
}
static GstCaps *
gst_gl_color_convert_element_fixate_caps (GstBaseTransform *
bt, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)

49
subprojects/gst-plugins-base/ext/gl/gstglcolorscale.c
View File

@ -75,6 +75,13 @@ static void gst_gl_colorscale_gl_stop (GstGLBaseFilter * base_filter);
static gboolean gst_gl_colorscale_filter_texture (GstGLFilter * filter,
GstGLMemory * in_tex, GstGLMemory * out_tex);
static gboolean
gst_gl_colorscale_transform_meta (GstBaseTransform * trans,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf);
static GQuark _size_quark;
static GQuark _scale_quark;
static void
gst_gl_colorscale_class_init (GstGLColorscaleClass * klass)
{
@ -90,6 +97,9 @@ gst_gl_colorscale_class_init (GstGLColorscaleClass * klass)
base_filter_class = GST_GL_BASE_FILTER_CLASS (klass);
filter_class = GST_GL_FILTER_CLASS (klass);
_size_quark = g_quark_from_static_string (GST_META_TAG_VIDEO_SIZE_STR);
_scale_quark = gst_video_meta_transform_scale_get_quark ();
gst_gl_filter_add_rgba_pad_templates (GST_GL_FILTER_CLASS (klass));
gobject_class->set_property = gst_gl_colorscale_set_property;
@ -101,6 +111,8 @@ gst_gl_colorscale_class_init (GstGLColorscaleClass * klass)
"Matthew Waters <matthew@centricular.com>");
basetransform_class->passthrough_on_same_caps = TRUE;
basetransform_class->transform_meta =
GST_DEBUG_FUNCPTR (gst_gl_colorscale_transform_meta);
base_filter_class->gl_start = GST_DEBUG_FUNCPTR (gst_gl_colorscale_gl_start);
base_filter_class->gl_stop = GST_DEBUG_FUNCPTR (gst_gl_colorscale_gl_stop);
@ -187,3 +199,40 @@ gst_gl_colorscale_filter_texture (GstGLFilter * filter, GstGLMemory * in_tex,
return TRUE;
}
static gboolean
gst_gl_colorscale_transform_meta (GstBaseTransform * trans,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf)
{
GstGLColorscale *colorscale = GST_GL_COLORSCALE (trans);
const GstMetaInfo *info = meta->info;
gboolean should_copy = TRUE;
const gchar *valid_tags[] = {
GST_META_TAG_VIDEO_STR,
GST_META_TAG_VIDEO_ORIENTATION_STR,
GST_META_TAG_VIDEO_SIZE_STR,
GST_META_TAG_VIDEO_COLORSPACE_STR,
NULL
};
should_copy = gst_meta_api_type_tags_contain_only (info->api, valid_tags);
/* Cant handle the tags in this meta, let the parent class handle it */
if (!should_copy) {
return GST_BASE_TRANSFORM_CLASS (parent_class)->transform_meta (trans,
outbuf, meta, inbuf);
}
/* This meta is size sensitive, try to transform it accordingly */
if (gst_meta_api_type_has_tag (info->api, _size_quark)) {
GstVideoMetaTransform trans =
{ &colorscale->filter.in_info, &colorscale->filter.out_info };
if (info->transform_func)
info->transform_func (outbuf, meta, inbuf, _scale_quark, &trans);
return FALSE;
}
/* No need to transform, we can safely copy this meta */
return TRUE;
}

22
subprojects/gst-plugins-base/ext/gl/gstgldownloadelement.c
View File

@ -1458,13 +1458,31 @@ static gboolean
gst_gl_download_element_transform_meta (GstBaseTransform * bt,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf)
{
const GstMetaInfo *info = meta->info;
gboolean should_copy = TRUE;
const gchar *valid_tags[] = {
GST_META_TAG_VIDEO_STR,
GST_META_TAG_VIDEO_ORIENTATION_STR,
GST_META_TAG_VIDEO_SIZE_STR,
GST_META_TAG_VIDEO_COLORSPACE_STR,
NULL
};
if (g_type_is_a (meta->info->api, GST_GL_SYNC_META_API_TYPE)) {
GST_LOG_OBJECT (bt, "not copying GstGLSyncMeta onto output buffer");
return FALSE;
}
return GST_BASE_TRANSFORM_CLASS (parent_class)->transform_meta (bt, outbuf,
meta, inbuf);
should_copy = gst_meta_api_type_tags_contain_only (info->api, valid_tags);
/* Cant handle the tags in this meta, let the parent class handle it */
if (!should_copy) {
return GST_BASE_TRANSFORM_CLASS (parent_class)->transform_meta (bt,
outbuf, meta, inbuf);
}
/* No need to transform, we can safely copy this meta */
return TRUE;
}
static gboolean

30
subprojects/gst-plugins-base/ext/gl/gstgluploadelement.c
View File

@ -60,6 +60,9 @@ static GstFlowReturn gst_gl_upload_element_transform (GstBaseTransform * bt,
static gboolean gst_gl_upload_element_stop (GstBaseTransform * bt);
static GstCaps *gst_gl_upload_element_fixate_caps (GstBaseTransform * bt,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
static gboolean
gst_gl_upload_element_transform_meta (GstBaseTransform * bt,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf);
static GstStateChangeReturn
gst_gl_upload_element_change_state (GstElement * element,
GstStateChange transition);
@ -112,6 +115,7 @@ gst_gl_upload_element_class_init (GstGLUploadElementClass * klass)
bt_class->transform = gst_gl_upload_element_transform;
bt_class->stop = gst_gl_upload_element_stop;
bt_class->fixate_caps = gst_gl_upload_element_fixate_caps;
bt_class->transform_meta = gst_gl_upload_element_transform_meta;
element_class->change_state = gst_gl_upload_element_change_state;
@ -333,6 +337,32 @@ gst_gl_upload_element_transform (GstBaseTransform * bt, GstBuffer * buffer,
return GST_FLOW_OK;
}
static gboolean
gst_gl_upload_element_transform_meta (GstBaseTransform * bt,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf)
{
const GstMetaInfo *info = meta->info;
gboolean should_copy = TRUE;
const gchar *valid_tags[] = {
GST_META_TAG_VIDEO_STR,
GST_META_TAG_VIDEO_ORIENTATION_STR,
GST_META_TAG_VIDEO_SIZE_STR,
GST_META_TAG_VIDEO_COLORSPACE_STR,
NULL
};
should_copy = gst_meta_api_type_tags_contain_only (info->api, valid_tags);
/* Can't handle the tags in this meta, let the parent class handle it */
if (!should_copy) {
return GST_BASE_TRANSFORM_CLASS (parent_class)->transform_meta (bt,
outbuf, meta, inbuf);
}
/* No need to transform, we can safely copy this meta */
return TRUE;
}
static GstCaps *
gst_gl_upload_element_fixate_caps (GstBaseTransform * bt,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)