*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*
* March 2008
* Logic enhanced by William Brack <wbrack@mmm.com.hk>
/**
* SECTION:element-bayer2rgb
+ * @title: bayer2rgb
*
* Decodes raw camera bayer (fourcc BA81) to RGB.
*/
* "nearest neighbor" principal, with some additional complexity for the
* calculation of the "green" element, where an "adaptive" pairing is used.
*
- * For purposes of documentation and indentification, each element of the
+ * For purposes of documentation and identification, each element of the
* original array can be put into one of four classes:
* R A red element
* B A blue element
#include <gst/video/video.h>
#include <string.h>
#include <stdlib.h>
-#include <_stdint.h>
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
#include "gstbayerorc.h"
#define GST_CAT_DEFAULT gst_bayer2rgb_debug
GstBaseTransform basetransform;
/* < private > */
+ GstVideoInfo info;
int width;
int height;
- int stride;
- int pixsize; /* bytes per pixel */
int r_off; /* offset for red */
int g_off; /* offset for green */
int b_off; /* offset for blue */
};
#define SRC_CAPS \
- GST_VIDEO_CAPS_RGBx ";" \
- GST_VIDEO_CAPS_xRGB ";" \
- GST_VIDEO_CAPS_BGRx ";" \
- GST_VIDEO_CAPS_xBGR ";" \
- GST_VIDEO_CAPS_RGBA ";" \
- GST_VIDEO_CAPS_ARGB ";" \
- GST_VIDEO_CAPS_BGRA ";" \
- GST_VIDEO_CAPS_ABGR
-
-#define SINK_CAPS "video/x-raw-bayer,format=(string){bggr,grbg,gbrg,rggb}," \
+ GST_VIDEO_CAPS_MAKE ("{ RGBx, xRGB, BGRx, xBGR, RGBA, ARGB, BGRA, ABGR }")
+
+#define SINK_CAPS "video/x-bayer,format=(string){bggr,grbg,gbrg,rggb}," \
"width=(int)[1,MAX],height=(int)[1,MAX],framerate=(fraction)[0/1,MAX]"
enum
PROP_0
};
-#define DEBUG_INIT(bla) \
- GST_DEBUG_CATEGORY_INIT (gst_bayer2rgb_debug, "bayer2rgb", 0, "bayer2rgb element");
-
GType gst_bayer2rgb_get_type (void);
-GST_BOILERPLATE_FULL (GstBayer2RGB, gst_bayer2rgb, GstBaseTransform,
- GST_TYPE_BASE_TRANSFORM, DEBUG_INIT);
+
+#define gst_bayer2rgb_parent_class parent_class
+G_DEFINE_TYPE (GstBayer2RGB, gst_bayer2rgb, GST_TYPE_BASE_TRANSFORM);
static void gst_bayer2rgb_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
GstBuffer * inbuf, GstBuffer * outbuf);
static void gst_bayer2rgb_reset (GstBayer2RGB * filter);
static GstCaps *gst_bayer2rgb_transform_caps (GstBaseTransform * base,
- GstPadDirection direction, GstCaps * caps);
+ GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static gboolean gst_bayer2rgb_get_unit_size (GstBaseTransform * base,
- GstCaps * caps, guint * size);
+ GstCaps * caps, gsize * size);
static void
-gst_bayer2rgb_base_init (gpointer klass)
+gst_bayer2rgb_class_init (GstBayer2RGBClass * klass)
{
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ gobject_class->set_property = gst_bayer2rgb_set_property;
+ gobject_class->get_property = gst_bayer2rgb_get_property;
- gst_element_class_set_details_simple (element_class,
+ gst_element_class_set_static_metadata (gstelement_class,
"Bayer to RGB decoder for cameras", "Filter/Converter/Video",
- "Converts video/x-raw-bayer to video/x-raw-rgb",
+ "Converts video/x-bayer to video/x-raw",
"William Brack <wbrack@mmm.com.hk>");
- gst_element_class_add_pad_template (element_class,
+ gst_element_class_add_pad_template (gstelement_class,
gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
gst_caps_from_string (SRC_CAPS)));
- gst_element_class_add_pad_template (element_class,
+ gst_element_class_add_pad_template (gstelement_class,
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
gst_caps_from_string (SINK_CAPS)));
-}
-
-static void
-gst_bayer2rgb_class_init (GstBayer2RGBClass * klass)
-{
- GObjectClass *gobject_class;
-
- gobject_class = (GObjectClass *) klass;
- gobject_class->set_property = gst_bayer2rgb_set_property;
- gobject_class->get_property = gst_bayer2rgb_get_property;
GST_BASE_TRANSFORM_CLASS (klass)->transform_caps =
GST_DEBUG_FUNCPTR (gst_bayer2rgb_transform_caps);
GST_DEBUG_FUNCPTR (gst_bayer2rgb_set_caps);
GST_BASE_TRANSFORM_CLASS (klass)->transform =
GST_DEBUG_FUNCPTR (gst_bayer2rgb_transform);
+
+ GST_DEBUG_CATEGORY_INIT (gst_bayer2rgb_debug, "bayer2rgb", 0,
+ "bayer2rgb element");
}
static void
-gst_bayer2rgb_init (GstBayer2RGB * filter, GstBayer2RGBClass * klass)
+gst_bayer2rgb_init (GstBayer2RGB * filter)
{
gst_bayer2rgb_reset (filter);
gst_base_transform_set_in_place (GST_BASE_TRANSFORM (filter), TRUE);
}
}
-/* Routine to convert colormask value into relative byte offset */
-static int
-get_pix_offset (int mask, int bpp)
-{
- int bpp32 = (bpp / 8) - 3;
-
- switch (mask) {
- case 255:
- return 2 + bpp32;
- case 65280:
- return 1 + bpp32;
- case 16711680:
- return 0 + bpp32;
- case -16777216:
- return 0;
- default:
- GST_ERROR ("Invalid color mask 0x%08x", mask);
- return -1;
- }
-}
-
static gboolean
gst_bayer2rgb_set_caps (GstBaseTransform * base, GstCaps * incaps,
GstCaps * outcaps)
{
GstBayer2RGB *bayer2rgb = GST_BAYER2RGB (base);
GstStructure *structure;
- int val, bpp;
const char *format;
+ GstVideoInfo info;
GST_DEBUG ("in caps %" GST_PTR_FORMAT " out caps %" GST_PTR_FORMAT, incaps,
outcaps);
gst_structure_get_int (structure, "width", &bayer2rgb->width);
gst_structure_get_int (structure, "height", &bayer2rgb->height);
- bayer2rgb->stride = GST_ROUND_UP_4 (bayer2rgb->width);
format = gst_structure_get_string (structure, "format");
if (g_str_equal (format, "bggr")) {
}
/* To cater for different RGB formats, we need to set params for later */
- structure = gst_caps_get_structure (outcaps, 0);
- gst_structure_get_int (structure, "bpp", &bpp);
- bayer2rgb->pixsize = bpp / 8;
- gst_structure_get_int (structure, "red_mask", &val);
- bayer2rgb->r_off = get_pix_offset (val, bpp);
- gst_structure_get_int (structure, "green_mask", &val);
- bayer2rgb->g_off = get_pix_offset (val, bpp);
- gst_structure_get_int (structure, "blue_mask", &val);
- bayer2rgb->b_off = get_pix_offset (val, bpp);
+ gst_video_info_from_caps (&info, outcaps);
+ bayer2rgb->r_off = GST_VIDEO_INFO_COMP_OFFSET (&info, 0);
+ bayer2rgb->g_off = GST_VIDEO_INFO_COMP_OFFSET (&info, 1);
+ bayer2rgb->b_off = GST_VIDEO_INFO_COMP_OFFSET (&info, 2);
+
+ bayer2rgb->info = info;
return TRUE;
}
{
filter->width = 0;
filter->height = 0;
- filter->stride = 0;
- filter->pixsize = 0;
filter->r_off = 0;
filter->g_off = 0;
filter->b_off = 0;
+ gst_video_info_init (&filter->info);
}
static GstCaps *
gst_bayer2rgb_transform_caps (GstBaseTransform * base,
- GstPadDirection direction, GstCaps * caps)
+ GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
+ GstBayer2RGB *bayer2rgb;
+ GstCaps *res_caps, *tmp_caps;
GstStructure *structure;
- GstCaps *newcaps;
- GstStructure *newstruct;
+ guint i, caps_size;
- GST_DEBUG_OBJECT (caps, "transforming caps (from)");
+ bayer2rgb = GST_BAYER2RGB (base);
- structure = gst_caps_get_structure (caps, 0);
-
- if (direction == GST_PAD_SRC) {
- newcaps = gst_caps_from_string ("video/x-raw-bayer,"
- "format=(string){bggr,grbg,gbrg,rggb}");
- } else {
- newcaps = gst_caps_new_simple ("video/x-raw-rgb", NULL);
+ res_caps = gst_caps_copy (caps);
+ caps_size = gst_caps_get_size (res_caps);
+ for (i = 0; i < caps_size; i++) {
+ structure = gst_caps_get_structure (res_caps, i);
+ if (direction == GST_PAD_SINK) {
+ gst_structure_set_name (structure, "video/x-raw");
+ gst_structure_remove_field (structure, "format");
+ } else {
+ gst_structure_set_name (structure, "video/x-bayer");
+ gst_structure_remove_fields (structure, "format", "colorimetry",
+ "chroma-site", NULL);
+ }
}
- newstruct = gst_caps_get_structure (newcaps, 0);
-
- gst_structure_set_value (newstruct, "width",
- gst_structure_get_value (structure, "width"));
- gst_structure_set_value (newstruct, "height",
- gst_structure_get_value (structure, "height"));
- gst_structure_set_value (newstruct, "framerate",
- gst_structure_get_value (structure, "framerate"));
-
- GST_DEBUG_OBJECT (newcaps, "transforming caps (into)");
-
- return newcaps;
+ if (filter) {
+ tmp_caps = res_caps;
+ res_caps =
+ gst_caps_intersect_full (filter, tmp_caps, GST_CAPS_INTERSECT_FIRST);
+ gst_caps_unref (tmp_caps);
+ }
+ GST_DEBUG_OBJECT (bayer2rgb, "transformed %" GST_PTR_FORMAT " into %"
+ GST_PTR_FORMAT, caps, res_caps);
+ return res_caps;
}
static gboolean
gst_bayer2rgb_get_unit_size (GstBaseTransform * base, GstCaps * caps,
- guint * size)
+ gsize * size)
{
GstStructure *structure;
int width;
int height;
- int pixsize;
const char *name;
structure = gst_caps_get_structure (caps, 0);
if (gst_structure_get_int (structure, "width", &width) &&
gst_structure_get_int (structure, "height", &height)) {
name = gst_structure_get_name (structure);
- /* Our name must be either video/x-raw-bayer video/x-raw-rgb */
- if (strcmp (name, "video/x-raw-rgb")) {
+ /* Our name must be either video/x-bayer video/x-raw */
+ if (strcmp (name, "video/x-raw")) {
*size = GST_ROUND_UP_4 (width) * height;
return TRUE;
} else {
- /* For output, calculate according to format */
- if (gst_structure_get_int (structure, "bpp", &pixsize)) {
- *size = width * height * (pixsize / 8);
- return TRUE;
- }
+ /* For output, calculate according to format (always 32 bits) */
+ *size = width * height * 4;
+ return TRUE;
}
}
dest1[1] = src[1];
#if defined(__i386__) || defined(__amd64__)
- gst_bayer_horiz_upsample_unaligned (dest0 + 2, dest1 + 2, src + 1,
+ bayer_orc_horiz_upsample_unaligned (dest0 + 2, dest1 + 2, src + 1,
(n - 4) >> 1);
#else
- gst_bayer_horiz_upsample (dest0 + 2, dest1 + 2, src + 2, (n - 4) >> 1);
+ bayer_orc_horiz_upsample (dest0 + 2, dest1 + 2, src + 2, (n - 4) >> 1);
#endif
for (i = n - 2; i < n; i++) {
}
if (r_off == 2 && g_off == 1 && b_off == 0) {
- merge[0] = gst_bayer_merge_bg_bgra;
- merge[1] = gst_bayer_merge_gr_bgra;
+ merge[0] = bayer_orc_merge_bg_bgra;
+ merge[1] = bayer_orc_merge_gr_bgra;
} else if (r_off == 3 && g_off == 2 && b_off == 1) {
- merge[0] = gst_bayer_merge_bg_abgr;
- merge[1] = gst_bayer_merge_gr_abgr;
+ merge[0] = bayer_orc_merge_bg_abgr;
+ merge[1] = bayer_orc_merge_gr_abgr;
} else if (r_off == 1 && g_off == 2 && b_off == 3) {
- merge[0] = gst_bayer_merge_bg_argb;
- merge[1] = gst_bayer_merge_gr_argb;
+ merge[0] = bayer_orc_merge_bg_argb;
+ merge[1] = bayer_orc_merge_gr_argb;
} else if (r_off == 0 && g_off == 1 && b_off == 2) {
- merge[0] = gst_bayer_merge_bg_rgba;
- merge[1] = gst_bayer_merge_gr_rgba;
+ merge[0] = bayer_orc_merge_bg_rgba;
+ merge[1] = bayer_orc_merge_gr_rgba;
}
if (bayer2rgb->format == GST_BAYER_2_RGB_FORMAT_GRBG ||
bayer2rgb->format == GST_BAYER_2_RGB_FORMAT_GBRG) {
GstBuffer * outbuf)
{
GstBayer2RGB *filter = GST_BAYER2RGB (base);
- uint8_t *input, *output;
-
- /*
- * We need to lock our filter params to prevent changing
- * caps in the middle of a transformation (nice way to get
- * segfaults)
- */
- GST_OBJECT_LOCK (filter);
+ GstMapInfo map;
+ uint8_t *output;
+ GstVideoFrame frame;
GST_DEBUG ("transforming buffer");
- input = (uint8_t *) GST_BUFFER_DATA (inbuf);
- output = (uint8_t *) GST_BUFFER_DATA (outbuf);
- gst_bayer2rgb_process (filter, output, filter->width * 4,
- input, filter->width);
- GST_OBJECT_UNLOCK (filter);
+ if (!gst_buffer_map (inbuf, &map, GST_MAP_READ))
+ goto map_failed;
+
+ if (!gst_video_frame_map (&frame, &filter->info, outbuf, GST_MAP_WRITE)) {
+ gst_buffer_unmap (inbuf, &map);
+ goto map_failed;
+ }
+
+ output = GST_VIDEO_FRAME_PLANE_DATA (&frame, 0);
+ gst_bayer2rgb_process (filter, output, frame.info.stride[0],
+ map.data, GST_ROUND_UP_4 (filter->width));
+
+ gst_video_frame_unmap (&frame);
+ gst_buffer_unmap (inbuf, &map);
+
+ return GST_FLOW_OK;
+
+map_failed:
+ GST_WARNING_OBJECT (base, "Could not map buffer, skipping");
return GST_FLOW_OK;
}
projects / platform / upstream / gstreamer.git / blobdiff