diff options
Diffstat (limited to 'common/recipes-multimedia/gstreamer/gst-plugins-good/0016-videocrop-support-getting-NV12-image-details.patch')
| -rw-r--r-- | common/recipes-multimedia/gstreamer/gst-plugins-good/0016-videocrop-support-getting-NV12-image-details.patch | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/common/recipes-multimedia/gstreamer/gst-plugins-good/0016-videocrop-support-getting-NV12-image-details.patch b/common/recipes-multimedia/gstreamer/gst-plugins-good/0016-videocrop-support-getting-NV12-image-details.patch new file mode 100644 index 0000000..e5a1bed --- /dev/null +++ b/common/recipes-multimedia/gstreamer/gst-plugins-good/0016-videocrop-support-getting-NV12-image-details.patch @@ -0,0 +1,84 @@ +From 47cf0121df5c54d665ccbf9a721cddf547fbbce3 Mon Sep 17 00:00:00 2001 +From: Kazunori Kobayashi <kkobayas@igel.co.jp> +Date: Thu, 4 Oct 2012 11:29:44 +0900 +Subject: [PATCH 16/31] videocrop: support getting NV12 image details + +This patch adds a new pixel format definition that is NV12 format. +The color format type of NV12 is classified into VIDEO_CROP_PIXEL_FORMAT_SEMI_PLANAR. +When rowstride or chroma_byte_offset is contained in caps, image +details reflects these value. + +This is preliminary for NV12 zero-copy cropping. +--- + gst/videocrop/gstvideocrop.c | 21 +++++++++++++++++++++ + gst/videocrop/gstvideocrop.h | 8 ++++++-- + 2 files changed, 27 insertions(+), 2 deletions(-) + +diff --git a/gst/videocrop/gstvideocrop.c b/gst/videocrop/gstvideocrop.c +index 0743719..b6336da 100644 +--- a/gst/videocrop/gstvideocrop.c ++++ b/gst/videocrop/gstvideocrop.c +@@ -328,6 +328,27 @@ gst_video_crop_get_image_details_from_structure (GstVideoCrop * vcrop, + details->v_stride * (GST_ROUND_UP_2 (height) / 2); + break; + } ++ case GST_MAKE_FOURCC ('N', 'V', '1', '2'): ++ { ++ gint stride, chroma_byte_offset; ++ ++ details->packing = VIDEO_CROP_PIXEL_FORMAT_SEMI_PLANAR; ++ ++ if (gst_structure_get_int (structure, "rowstride", &stride)) ++ details->stride = stride; ++ else ++ details->stride = GST_ROUND_UP_2 (width); ++ ++ details->y_off = 0; ++ if (gst_structure_get_int (structure, "chroma_byte_offset", ++ &chroma_byte_offset)) ++ details->uv_off = chroma_byte_offset; ++ else ++ details->uv_off = details->stride * GST_ROUND_UP_2 (height); ++ ++ details->size = details->uv_off * 3 / 2; ++ } ++ break; + default: + goto unknown_format; + } +diff --git a/gst/videocrop/gstvideocrop.h b/gst/videocrop/gstvideocrop.h +index 5cfe03e..2e5d5e6 100644 +--- a/gst/videocrop/gstvideocrop.h ++++ b/gst/videocrop/gstvideocrop.h +@@ -37,7 +37,8 @@ G_BEGIN_DECLS + { + VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE = 0, /* RGBx, AYUV */ + VIDEO_CROP_PIXEL_FORMAT_PACKED_COMPLEX, /* UYVY, YVYU */ +- VIDEO_CROP_PIXEL_FORMAT_PLANAR /* I420, YV12 */ ++ VIDEO_CROP_PIXEL_FORMAT_PLANAR, /* I420, YV12 */ ++ VIDEO_CROP_PIXEL_FORMAT_SEMI_PLANAR /* NV12 */ + } VideoCropPixelFormat; + + typedef struct _GstVideoCropImageDetails GstVideoCropImageDetails; +@@ -51,7 +52,7 @@ struct _GstVideoCropImageDetails + guint size; + + /* for packed RGB and YUV */ +- guint stride; ++ guint stride; /* common use in semi-planar */ + guint bytes_per_pixel; + guint8 macro_y_off; /* for YUY2, YVYU, UYVY, Y offset within macropixel in bytes */ + +@@ -59,6 +60,9 @@ struct _GstVideoCropImageDetails + guint y_stride, y_off; + guint u_stride, u_off; + guint v_stride, v_off; ++ ++ /* for semi-planar YUV */ ++ guint uv_off; + }; + + typedef struct _GstVideoCrop GstVideoCrop; +-- +1.7.9.5 + |