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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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videobalance: Add support for all RGB formats
This commit is contained in:
Sebastian Dröge
parent
80676e1777
commit
c5805b6e38
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@ -78,19 +78,27 @@ enum
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};
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static GstStaticPadTemplate gst_video_balance_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV
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("{ IYUV, I420, YV12, Y41B, Y42B, Y444, " " YUY2, UYVY, AYUV, YVYU}"))
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("{ IYUV, I420, YV12, Y41B, Y42B, Y444, YUY2, UYVY, AYUV, YVYU}")
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";" GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_BGRA ";" GST_VIDEO_CAPS_ABGR
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";" GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_RGBx
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";" GST_VIDEO_CAPS_xBGR ";" GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_RGB
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";" GST_VIDEO_CAPS_BGR)
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);
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static GstStaticPadTemplate gst_video_balance_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV
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("{ IYUV, I420, YV12, Y41B, Y42B, Y444, " " YUY2, UYVY, AYUV, YVYU}"))
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("{ IYUV, I420, YV12, Y41B, Y42B, Y444, YUY2, UYVY, AYUV, YVYU}")
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";" GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_BGRA ";" GST_VIDEO_CAPS_ABGR
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";" GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_RGBx
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";" GST_VIDEO_CAPS_xBGR ";" GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_RGB
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";" GST_VIDEO_CAPS_BGR)
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);
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@ -200,6 +208,9 @@ gst_video_balance_planar_yuv (GstVideoBalance * videobalance, guint8 * data)
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GstVideoFormat format;
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gint width, height;
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gint width2, height2;
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guint8 *tabley = videobalance->tabley;
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guint8 **tableu = videobalance->tableu;
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guint8 **tablev = videobalance->tablev;
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format = videobalance->format;
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width = videobalance->width;
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@ -214,7 +225,7 @@ gst_video_balance_planar_yuv (GstVideoBalance * videobalance, guint8 * data)
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yptr = ydata + y * ystride;
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for (x = 0; x < width; x++) {
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*ydata = videobalance->tabley[*ydata];
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*ydata = tabley[*ydata];
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ydata++;
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}
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}
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@ -240,8 +251,8 @@ gst_video_balance_planar_yuv (GstVideoBalance * videobalance, guint8 * data)
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u1 = *uptr;
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v1 = *vptr;
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*uptr++ = videobalance->tableu[u1][v1];
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*vptr++ = videobalance->tablev[u1][v1];
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*uptr++ = tableu[u1][v1];
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*vptr++ = tablev[u1][v1];
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}
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}
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}
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@ -257,6 +268,9 @@ gst_video_balance_packed_yuv (GstVideoBalance * videobalance, guint8 * data)
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GstVideoFormat format;
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gint width, height;
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gint width2, height2;
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guint8 *tabley = videobalance->tabley;
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guint8 **tableu = videobalance->tableu;
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guint8 **tablev = videobalance->tablev;
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format = videobalance->format;
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width = videobalance->width;
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@ -272,7 +286,7 @@ gst_video_balance_packed_yuv (GstVideoBalance * videobalance, guint8 * data)
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yptr = ydata + y * ystride;
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for (x = 0; x < width; x++) {
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*ydata = videobalance->tabley[*ydata];
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*ydata = tabley[*ydata];
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ydata += yoff;
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}
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}
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@ -300,8 +314,8 @@ gst_video_balance_packed_yuv (GstVideoBalance * videobalance, guint8 * data)
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u1 = *uptr;
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v1 = *vptr;
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*uptr = videobalance->tableu[u1][v1];
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*vptr = videobalance->tablev[u1][v1];
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*uptr = tableu[u1][v1];
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*vptr = tablev[u1][v1];
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uptr += uoff;
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vptr += voff;
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@ -309,6 +323,84 @@ gst_video_balance_packed_yuv (GstVideoBalance * videobalance, guint8 * data)
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}
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}
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static const int cog_ycbcr_to_rgb_matrix_8bit_sdtv[] = {
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298, 0, 409, -57068,
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298, -100, -208, 34707,
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298, 516, 0, -70870,
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};
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static const gint cog_rgb_to_ycbcr_matrix_8bit_sdtv[] = {
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66, 129, 25, 4096,
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-38, -74, 112, 32768,
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112, -94, -18, 32768,
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};
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#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)
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static void
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gst_video_balance_packed_rgb (GstVideoBalance * videobalance, guint8 * data)
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{
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gint i, j, height;
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gint width, row_stride, row_wrap;
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gint pixel_stride;
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gint offsets[3];
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gint r, g, b;
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gint y, u, v;
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gint u_tmp, v_tmp;
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guint8 *tabley = videobalance->tabley;
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guint8 **tableu = videobalance->tableu;
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guint8 **tablev = videobalance->tablev;
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offsets[0] = gst_video_format_get_component_offset (videobalance->format, 0,
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videobalance->width, videobalance->height);
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offsets[1] = gst_video_format_get_component_offset (videobalance->format, 1,
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videobalance->width, videobalance->height);
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offsets[2] = gst_video_format_get_component_offset (videobalance->format, 2,
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videobalance->width, videobalance->height);
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width =
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gst_video_format_get_component_width (videobalance->format, 0,
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videobalance->width);
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height =
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gst_video_format_get_component_height (videobalance->format, 0,
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videobalance->height);
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row_stride =
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gst_video_format_get_row_stride (videobalance->format, 0,
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videobalance->width);
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pixel_stride = gst_video_format_get_pixel_stride (videobalance->format, 0);
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row_wrap = row_stride - pixel_stride * width;
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for (i = 0; i < height; i++) {
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for (j = 0; j < width; j++) {
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r = data[offsets[0]];
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g = data[offsets[1]];
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b = data[offsets[2]];
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y = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 0, r, g, b);
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u_tmp = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 1, r, g, b);
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v_tmp = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 2, r, g, b);
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y = CLAMP (y, 0, 255);
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u_tmp = CLAMP (u_tmp, 0, 255);
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v_tmp = CLAMP (v_tmp, 0, 255);
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y = tabley[y];
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u = tableu[u_tmp][v_tmp];
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v = tablev[u_tmp][v_tmp];
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r = APPLY_MATRIX (cog_ycbcr_to_rgb_matrix_8bit_sdtv, 0, y, u, v);
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g = APPLY_MATRIX (cog_ycbcr_to_rgb_matrix_8bit_sdtv, 1, y, u, v);
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b = APPLY_MATRIX (cog_ycbcr_to_rgb_matrix_8bit_sdtv, 2, y, u, v);
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data[offsets[0]] = CLAMP (r, 0, 255);
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data[offsets[1]] = CLAMP (g, 0, 255);
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data[offsets[2]] = CLAMP (b, 0, 255);
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data += pixel_stride;
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}
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data += row_wrap;
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}
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}
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/* get notified of caps and plug in the correct process function */
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static gboolean
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gst_video_balance_set_caps (GstBaseTransform * base, GstCaps * incaps,
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@ -343,6 +435,18 @@ gst_video_balance_set_caps (GstBaseTransform * base, GstCaps * incaps,
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case GST_VIDEO_FORMAT_YVYU:
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videobalance->process = gst_video_balance_packed_yuv;
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break;
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case GST_VIDEO_FORMAT_ARGB:
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case GST_VIDEO_FORMAT_ABGR:
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case GST_VIDEO_FORMAT_RGBA:
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case GST_VIDEO_FORMAT_BGRA:
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case GST_VIDEO_FORMAT_xRGB:
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case GST_VIDEO_FORMAT_xBGR:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_RGB:
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case GST_VIDEO_FORMAT_BGR:
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videobalance->process = gst_video_balance_packed_rgb;
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break;
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default:
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break;
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}
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