diff options
Diffstat (limited to 'gst/virtualdub/gstxsharpen.c')
| -rw-r--r-- | gst/virtualdub/gstxsharpen.c | 128 |
1 files changed, 64 insertions, 64 deletions
diff --git a/gst/virtualdub/gstxsharpen.c b/gst/virtualdub/gstxsharpen.c index df4d4547..a8d5413c 100644 --- a/gst/virtualdub/gstxsharpen.c +++ b/gst/virtualdub/gstxsharpen.c @@ -107,8 +107,8 @@ gst_xsharpen_get_type (void) }; xsharpen_type = - g_type_register_static (GST_TYPE_ELEMENT, "GstXsharpen", &xsharpen_info, - 0); + g_type_register_static (GST_TYPE_ELEMENT, "GstXsharpen", &xsharpen_info, + 0); } return xsharpen_type; } @@ -126,11 +126,11 @@ gst_xsharpen_class_init (GstXsharpenClass * klass) g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_STRENGTH, g_param_spec_int ("strength", "strength", "strength", - 0, 255, 255, (GParamFlags) G_PARAM_READWRITE)); + 0, 255, 255, (GParamFlags) G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_THRESHOLD, g_param_spec_int ("threshold", "threshold", "threshold", - 0, 255, 255, (GParamFlags) G_PARAM_READWRITE)); + 0, 255, 255, (GParamFlags) G_PARAM_READWRITE)); gobject_class->set_property = gst_xsharpen_set_property; gobject_class->get_property = gst_xsharpen_get_property; @@ -204,10 +204,10 @@ gst_xsharpen_chain (GstPad * pad, GstData * _data) src = (Pixel *) ((char *) src_buf + (xsharpen->height - - 1) * xsharpen->srcpitch); + 1) * xsharpen->srcpitch); dst = (Pixel *) ((char *) dst_buf + (xsharpen->height - - 1) * xsharpen->dstpitch); + 1) * xsharpen->dstpitch); for (x = 0; x < xsharpen->width; x++) { dst[x] = src[x]; @@ -252,100 +252,100 @@ gst_xsharpen_chain (GstPad * pad, GstData * _data) p = ((Pixel32 *) ((char *) src - xsharpen->srcpitch))[x - 1]; luma = p >> 24; if (luma > lumamax) { - lumamax = luma; - max = p; + lumamax = luma; + max = p; } if (luma < lumamin) { - lumamin = luma; - min = p; + lumamin = luma; + min = p; } p = ((Pixel32 *) ((char *) src - xsharpen->srcpitch))[x]; luma = p >> 24; if (luma > lumamax) { - lumamax = luma; - max = p; + lumamax = luma; + max = p; } if (luma < lumamin) { - lumamin = luma; - min = p; + lumamin = luma; + min = p; } p = ((Pixel32 *) ((char *) src - xsharpen->srcpitch))[x + 1]; luma = p >> 24; if (luma > lumamax) { - lumamax = luma; - max = p; + lumamax = luma; + max = p; } if (luma < lumamin) { - lumamin = luma; - min = p; + lumamin = luma; + min = p; } p = src[x - 1]; luma = p >> 24; if (luma > lumamax) { - lumamax = luma; - max = p; + lumamax = luma; + max = p; } if (luma < lumamin) { - lumamin = luma; - min = p; + lumamin = luma; + min = p; } p = src[x]; lumac = luma = p >> 24; if (luma > lumamax) { - lumamax = luma; - max = p; + lumamax = luma; + max = p; } if (luma < lumamin) { - lumamin = luma; - min = p; + lumamin = luma; + min = p; } p = src[x + 1]; luma = p >> 24; if (luma > lumamax) { - lumamax = luma; - max = p; + lumamax = luma; + max = p; } if (luma < lumamin) { - lumamin = luma; - min = p; + lumamin = luma; + min = p; } p = ((Pixel32 *) ((char *) src + xsharpen->srcpitch))[x - 1]; luma = p >> 24; if (luma > lumamax) { - lumamax = luma; - max = p; + lumamax = luma; + max = p; } if (luma < lumamin) { - lumamin = luma; - min = p; + lumamin = luma; + min = p; } p = ((Pixel32 *) ((char *) src + xsharpen->srcpitch))[x]; luma = p >> 24; if (luma > lumamax) { - lumamax = luma; - max = p; + lumamax = luma; + max = p; } if (luma < lumamin) { - lumamin = luma; - min = p; + lumamin = luma; + min = p; } p = ((Pixel32 *) ((char *) src + xsharpen->srcpitch))[x + 1]; luma = p >> 24; if (luma > lumamax) { - lumamax = luma; - max = p; + lumamax = luma; + max = p; } if (luma < lumamin) { - lumamin = luma; - min = p; + lumamin = luma; + min = p; } /* Determine whether the current pixel is closer to the @@ -356,32 +356,32 @@ gst_xsharpen_chain (GstPad * pad, GstData * _data) p = -1; if (xsharpen->strength != 0) { - mindiff = lumac - lumamin; - maxdiff = lumamax - lumac; - if (mindiff > maxdiff) { - if (maxdiff < xsharpen->threshold) { - p = max; - } - } else { - if (mindiff < xsharpen->threshold) { - p = min; - } - } + mindiff = lumac - lumamin; + maxdiff = lumamax - lumac; + if (mindiff > maxdiff) { + if (maxdiff < xsharpen->threshold) { + p = max; + } + } else { + if (mindiff < xsharpen->threshold) { + p = min; + } + } } if (p == -1) { - dst[x] = src[x]; + dst[x] = src[x]; } else { - R = (src[x] >> 16) & 0xff; - G = (src[x] >> 8) & 0xff; - B = src[x] & 0xff; - r = (p >> 16) & 0xff; - g = (p >> 8) & 0xff; - b = p & 0xff; - r = (xsharpen->strength * r + xsharpen->strengthinv * R) / 255; - g = (xsharpen->strength * g + xsharpen->strengthinv * G) / 255; - b = (xsharpen->strength * b + xsharpen->strengthinv * B) / 255; - dst[x] = (r << 16) | (g << 8) | b; + R = (src[x] >> 16) & 0xff; + G = (src[x] >> 8) & 0xff; + B = src[x] & 0xff; + r = (p >> 16) & 0xff; + g = (p >> 8) & 0xff; + b = p & 0xff; + r = (xsharpen->strength * r + xsharpen->strengthinv * R) / 255; + g = (xsharpen->strength * g + xsharpen->strengthinv * G) / 255; + b = (xsharpen->strength * b + xsharpen->strengthinv * B) / 255; + dst[x] = (r << 16) | (g << 8) | b; } } src = (Pixel *) ((char *) src + xsharpen->srcpitch); |