void GLView::process() {
makeCurrent();
if (m_image.isNull()) {
m_dst = texture_2d();
return;
}
int w = m_image.width();
int h = m_image.height();
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_fbo);
glPushAttrib(GL_TEXTURE_BIT);
texture_2d src(GL_RGB16F_ARB, m_image.width(), m_image.height(), GL_BGRA, GL_UNSIGNED_BYTE, m_image.bits());
texture_2d lab = rgb2lab(src);
texture_2d tfm = tangent_flow_map(src, sst_sigma);
texture_2d bfe = (bf_ne > 0)? orientation_aligned_bilateral_filter(lab, tfm, bf_ne, bf_sigma_d, bf_sigma_r) : lab;
texture_2d bfa = (bf_na > 0)? orientation_aligned_bilateral_filter(lab, tfm, bf_na, bf_sigma_d, bf_sigma_r) : lab;
texture_2d edges = (fdog_type == 0)?
fdog_filter(bfe, tfm, fdog_n, fdog_sigma_e, fdog_sigma_r, fdog_tau, fdog_sigma_m, fdog_phi) :
dog_filter(bfe, fdog_n, fdog_sigma_e, fdog_sigma_r, fdog_tau, fdog_phi);
texture_2d cq = color_quantization(bfa, cq_nbins, cq_phi_q, cq_filter);
texture_2d cq_rgb = lab2rgb(cq);
texture_2d ov = mix_filter(edges, cq_rgb, fdog_color);
texture_2d result = fs_type? smooth_filter(tfm, ov, fs_type, fs_sigma) : ov;
switch (preview) {
case 0:
m_dst = result;
break;
case 1:
m_dst = src;
break;
case 2:
m_dst = lic_filter(tfm, m_noise, 5.0);
break;
case 3:
m_dst = lab2rgb(bfe);
break;
case 4:
m_dst = lab2rgb(bfa);
break;
case 5:
m_dst = edges;
break;
case 6:
m_dst = cq_rgb;
break;
}
glUseProgram(0);
glPopAttrib();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
}
static GstFlowReturn
gst_smooth_transform_frame (GstVideoFilter * vfilter, GstVideoFrame * in_frame,
GstVideoFrame * out_frame)
{
GstSmooth *smooth;
smooth = GST_SMOOTH (vfilter);
if (!smooth->active) {
gst_video_frame_copy (out_frame, in_frame);
return GST_FLOW_OK;
}
smooth_filter (GST_VIDEO_FRAME_COMP_DATA (out_frame, 0),
GST_VIDEO_FRAME_COMP_DATA (in_frame, 0),
GST_VIDEO_FRAME_COMP_WIDTH (in_frame, 0),
GST_VIDEO_FRAME_COMP_HEIGHT (in_frame, 0),
GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 0),
GST_VIDEO_FRAME_COMP_STRIDE (out_frame, 0),
smooth->tolerance, smooth->filtersize);
if (!smooth->luma_only) {
smooth_filter (GST_VIDEO_FRAME_COMP_DATA (out_frame, 1),
GST_VIDEO_FRAME_COMP_DATA (in_frame, 1),
GST_VIDEO_FRAME_COMP_WIDTH (in_frame, 1),
GST_VIDEO_FRAME_COMP_HEIGHT (in_frame, 1),
GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 1),
GST_VIDEO_FRAME_COMP_STRIDE (out_frame, 1),
smooth->tolerance, smooth->filtersize);
smooth_filter (GST_VIDEO_FRAME_COMP_DATA (out_frame, 2),
GST_VIDEO_FRAME_COMP_DATA (in_frame, 2),
GST_VIDEO_FRAME_COMP_WIDTH (in_frame, 2),
GST_VIDEO_FRAME_COMP_HEIGHT (in_frame, 2),
GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 2),
GST_VIDEO_FRAME_COMP_STRIDE (out_frame, 2),
smooth->tolerance, smooth->filtersize);
} else {
gst_video_frame_copy_plane (out_frame, in_frame, 1);
gst_video_frame_copy_plane (out_frame, in_frame, 2);
}
return GST_FLOW_OK;
}
