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tags: Add GST_TAG_IMAGE_HORIZONTAL/VERTICAL_PPI tags

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Adds new tags for representing the intended PPI of images/videos

API: GST_TAG_IMAGE_HORIZONTAL_PPI
API: GST_TAG_IMAGE_VERTICAL_PPI

Fixes #626570
This commit is contained in:
Thiago Santos 2010-09-07 08:22:27 -03:00
parent 3ffde851d1
commit 7d4bdbf5ce
3 changed files with 28 additions and 0 deletions
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2
docs/libs/gst-plugins-base-libs-sections.txt
View file

@ -1648,6 +1648,8 @@ GST_TAG_CAPTURING_CONTRAST
GST_TAG_CAPTURING_SATURATION GST_TAG_CAPTURING_SATURATION
GST_TAG_CAPTURING_FLASH_FIRED GST_TAG_CAPTURING_FLASH_FIRED
GST_TAG_CAPTURING_FLASH_MODE GST_TAG_CAPTURING_FLASH_MODE
GST_TAG_IMAGE_HORIZONTAL_PPI
GST_TAG_IMAGE_VERTICAL_PPI
gst_tag_register_musicbrainz_tags gst_tag_register_musicbrainz_tags
gst_tag_freeform_string_to_utf8 gst_tag_freeform_string_to_utf8
gst_tag_parse_extended_comment gst_tag_parse_extended_comment

18
gst-libs/gst/tag/tag.h
View file

@ -306,6 +306,24 @@ G_BEGIN_DECLS
*/ */
#define GST_TAG_CAPTURING_FLASH_MODE "capturing-flash-mode" #define GST_TAG_CAPTURING_FLASH_MODE "capturing-flash-mode"
/**
* GST_TAG_IMAGE_HORIZONTAL_PPI:
*
* Media (image/video) intended horizontal pixel density in ppi. (double)
*
* Since: 0.10.31
*/
#define GST_TAG_IMAGE_HORIZONTAL_PPI "image-horizontal-ppi"
/**
* GST_TAG_IMAGE_VERTICAL_PPI:
*
* Media (image/video) intended vertical pixel density in ppi. (double)
*
* Since: 0.10.31
*/
#define GST_TAG_IMAGE_VERTICAL_PPI "image-vertical-ppi"
/* additional information for image tags */ /* additional information for image tags */
/** /**

8
gst-libs/gst/tag/tags.c
View file

@ -144,6 +144,14 @@ gst_tag_register_tags_internal (gpointer unused)
G_TYPE_STRING, _("capturing flash mode"), G_TYPE_STRING, _("capturing flash mode"),
_("The selected flash mode while capturing and image"), NULL); _("The selected flash mode while capturing and image"), NULL);
gst_tag_register (GST_TAG_IMAGE_HORIZONTAL_PPI, GST_TAG_FLAG_META,
G_TYPE_DOUBLE, _("image horizontal ppi"),
_("Media (image/video) intended horizontal pixel density in ppi"), NULL);
gst_tag_register (GST_TAG_IMAGE_VERTICAL_PPI, GST_TAG_FLAG_META,
G_TYPE_DOUBLE, _("image vertical ppi"),
_("Media (image/video) intended vertical pixel density in ppi"), NULL);
return NULL; return NULL;
} }