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-rw-r--r--ext/libpng/gstpngenc.c14
-rw-r--r--ext/libpng/gstpngenc.h1
2 files changed, 13 insertions, 2 deletions
diff --git a/ext/libpng/gstpngenc.c b/ext/libpng/gstpngenc.c
index 30986cdbb..b30d04f64 100644
--- a/ext/libpng/gstpngenc.c
+++ b/ext/libpng/gstpngenc.c
@@ -66,7 +66,7 @@ static GstStaticPadTemplate pngenc_sink_template =
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_RGB ";"
- GST_VIDEO_CAPS_GRAY8)
+ GST_VIDEO_CAPS_GRAY8 ";" GST_VIDEO_CAPS_GRAY16 ("BIG_ENDIAN"))
);
/* static GstElementClass *parent_class = NULL; */
@@ -167,6 +167,7 @@ gst_pngenc_setcaps (GstPad * pad, GstCaps * caps)
pngenc->png_color_type = PNG_COLOR_TYPE_RGB;
break;
case GST_VIDEO_FORMAT_GRAY8:
+ case GST_VIDEO_FORMAT_GRAY16_BE:
pngenc->png_color_type = PNG_COLOR_TYPE_GRAY;
break;
default:
@@ -174,6 +175,15 @@ gst_pngenc_setcaps (GstPad * pad, GstCaps * caps)
goto done;
}
+ switch (format) {
+ case GST_VIDEO_FORMAT_GRAY16_BE:
+ pngenc->depth = 16;
+ break;
+ default: /* GST_VIDEO_FORMAT_RGB and GST_VIDEO_FORMAT_GRAY8 */
+ pngenc->depth = 8;
+ break;
+ }
+
if (G_UNLIKELY (pngenc->width < 16 || pngenc->width > 1000000 ||
pngenc->height < 16 || pngenc->height > 1000000)) {
ret = FALSE;
@@ -321,7 +331,7 @@ gst_pngenc_chain (GstPad * pad, GstBuffer * buf)
pngenc->png_info_ptr,
pngenc->width,
pngenc->height,
- 8,
+ pngenc->depth,
pngenc->png_color_type,
PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
diff --git a/ext/libpng/gstpngenc.h b/ext/libpng/gstpngenc.h
index 792a7c90b..1c521cac0 100644
--- a/ext/libpng/gstpngenc.h
+++ b/ext/libpng/gstpngenc.h
@@ -50,6 +50,7 @@ struct _GstPngEnc
png_infop png_info_ptr;
gint png_color_type;
+ gint depth;
gint width;
gint height;
gint stride;