#define DEFAULT_PROP_GAMMA 1
static GstStaticPadTemplate gst_gamma_src_template =
-GST_STATIC_PAD_TEMPLATE ("src",
+ GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV
("{ IYUV, I420, YV12, Y41B, Y42B, Y444, NV12, NV21, "
- " YUY2, UYVY, AYUV, YVYU}"))
+ " YUY2, UYVY, AYUV, YVYU}") ";"
+ GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_BGRA ";"
+ GST_VIDEO_CAPS_ABGR ";" GST_VIDEO_CAPS_RGBA ";"
+ GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_RGBx ";"
+ GST_VIDEO_CAPS_xBGR ";" GST_VIDEO_CAPS_BGRx ";"
+ GST_VIDEO_CAPS_RGB ";" GST_VIDEO_CAPS_BGR)
);
static GstStaticPadTemplate gst_gamma_sink_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV
("{ IYUV, I420, YV12, Y41B, Y42B, Y444, NV12, NV21, "
- " YUY2, UYVY, AYUV, YVYU}"))
+ " YUY2, UYVY, AYUV, YVYU}") ";"
+ GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_BGRA ";"
+ GST_VIDEO_CAPS_ABGR ";" GST_VIDEO_CAPS_RGBA ";"
+ GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_RGBx ";"
+ GST_VIDEO_CAPS_xBGR ";" GST_VIDEO_CAPS_BGRx ";"
+ GST_VIDEO_CAPS_RGB ";" GST_VIDEO_CAPS_BGR)
);
static void gst_gamma_set_property (GObject * object, guint prop_id,
}
}
+static const int cog_ycbcr_to_rgb_matrix_8bit_sdtv[] = {
+ 298, 0, 409, -57068,
+ 298, -100, -208, 34707,
+ 298, 516, 0, -70870,
+};
+
+static const gint cog_rgb_to_ycbcr_matrix_8bit_sdtv[] = {
+ 66, 129, 25, 4096,
+ -38, -74, 112, 32768,
+ 112, -94, -18, 32768,
+};
+
+#define APPLY_MATRIX(m,o,v1,v2,v3) ((m[o*4] * v1 + m[o*4+1] * v2 + m[o*4+2] * v3 + m[o*4+3]) >> 8)
+
+static void
+gst_gamma_packed_rgb_ip (GstGamma * gamma, guint8 * data)
+{
+ gint i, j, height;
+ gint width, row_stride, row_wrap;
+ gint pixel_stride;
+ const guint8 *table = gamma->gamma_table;
+ gint offsets[3];
+ gint r, g, b;
+ gint y, u, v;
+
+ offsets[0] = gst_video_format_get_component_offset (gamma->format, 0,
+ gamma->width, gamma->height);
+ offsets[1] = gst_video_format_get_component_offset (gamma->format, 1,
+ gamma->width, gamma->height);
+ offsets[2] = gst_video_format_get_component_offset (gamma->format, 2,
+ gamma->width, gamma->height);
+
+ width = gst_video_format_get_component_width (gamma->format, 0, gamma->width);
+ height = gst_video_format_get_component_height (gamma->format, 0,
+ gamma->height);
+ row_stride = gst_video_format_get_row_stride (gamma->format, 0, gamma->width);
+ pixel_stride = gst_video_format_get_pixel_stride (gamma->format, 0);
+ row_wrap = row_stride - pixel_stride * width;
+
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j++) {
+ r = data[offsets[0]];
+ g = data[offsets[1]];
+ b = data[offsets[2]];
+
+ y = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 0, r, g, b);
+ u = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 1, r, g, b);
+ v = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 2, r, g, b);
+
+ y = table[CLAMP (y, 0, 255)];
+ r = APPLY_MATRIX (cog_ycbcr_to_rgb_matrix_8bit_sdtv, 0, y, u, v);
+ g = APPLY_MATRIX (cog_ycbcr_to_rgb_matrix_8bit_sdtv, 1, y, u, v);
+ b = APPLY_MATRIX (cog_ycbcr_to_rgb_matrix_8bit_sdtv, 2, y, u, v);
+ data[offsets[0]] = CLAMP (r, 0, 255);
+ data[offsets[1]] = CLAMP (g, 0, 255);
+ data[offsets[2]] = CLAMP (b, 0, 255);
+ data += pixel_stride;
+ }
+ data += row_wrap;
+ }
+}
+
static gboolean
gst_gamma_set_caps (GstBaseTransform * base, GstCaps * incaps,
GstCaps * outcaps)
case GST_VIDEO_FORMAT_YVYU:
gamma->process = gst_gamma_packed_yuv_ip;
break;
+ case GST_VIDEO_FORMAT_ARGB:
+ case GST_VIDEO_FORMAT_ABGR:
+ case GST_VIDEO_FORMAT_RGBA:
+ case GST_VIDEO_FORMAT_BGRA:
+ case GST_VIDEO_FORMAT_xRGB:
+ case GST_VIDEO_FORMAT_xBGR:
+ case GST_VIDEO_FORMAT_RGBx:
+ case GST_VIDEO_FORMAT_BGRx:
+ case GST_VIDEO_FORMAT_RGB:
+ case GST_VIDEO_FORMAT_BGR:
+ gamma->process = gst_gamma_packed_rgb_ip;
+ break;
default:
goto invalid_caps;
break;