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validate:ssim: Show original/nok/diff images on error images

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This way the user can easily see how off the image is very easily

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3122>
This commit is contained in:
Thibault Saunier 2022-09-27 16:35:31 -03:00 committed by GStreamer Marge Bot
parent ab64771ba8
commit a642b17c97
1 changed files with 46 additions and 9 deletions
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55
subprojects/gst-devtools/validate/gst-libs/gst/video/gstvalidatessim.c
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@ -163,26 +163,63 @@ gst_validate_ssim_save_out (GstValidateSsim * self, GstBuffer * buffer,
if (gst_validate_ssim_convert (self, &self->priv->outconverter_info,
&frame, &converted)) {
cairo_status_t status;
cairo_surface_t *surface;
gchar *bn1 = g_path_get_basename (ref_file);
gchar *bn2 = g_path_get_basename (file);
gchar *fname = g_strdup_printf ("%s.VS.%s.result.png", bn1, bn2);
gchar *fname =
g_strdup_printf ("original_%s.VS.nok_%s.result.png", bn1, bn2);
gchar *outfile = g_build_path (G_DIR_SEPARATOR_S, outfolder, fname, NULL);
cairo_surface_t *out_surface = NULL;
surface =
cairo_image_surface_create_for_data (GST_VIDEO_FRAME_PLANE_DATA
(&converted, 0), CAIRO_FORMAT_RGB24, GST_VIDEO_FRAME_WIDTH (&converted),
GST_VIDEO_FRAME_HEIGHT (&converted),
GST_VIDEO_FRAME_PLANE_STRIDE (&converted, 0));
if (g_str_has_suffix (file, ".png")) {
cairo_t *context;
cairo_surface_t *ref_surface =
cairo_image_surface_create_from_png (ref_file);
cairo_surface_t *nok_surface = cairo_image_surface_create_from_png (file);
cairo_surface_t *diff_surface =
cairo_image_surface_create_for_data (GST_VIDEO_FRAME_PLANE_DATA
(&converted, 0), CAIRO_FORMAT_RGB24,
GST_VIDEO_FRAME_WIDTH (&converted),
GST_VIDEO_FRAME_HEIGHT (&converted),
GST_VIDEO_FRAME_PLANE_STRIDE (&converted, 0));
if ((status = cairo_surface_write_to_png (surface, outfile)) !=
out_surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
GST_VIDEO_FRAME_WIDTH (&frame) * 2,
GST_VIDEO_FRAME_HEIGHT (&frame) * 2);
context = cairo_create (out_surface);
cairo_set_operator (context, CAIRO_OPERATOR_OVER);
cairo_set_source_surface (context, ref_surface, 0, 0);
cairo_paint (context);
cairo_translate (context, GST_VIDEO_FRAME_WIDTH (&converted), 0);
cairo_set_source_surface (context, nok_surface, 0, 0);
cairo_paint (context);
cairo_translate (context, -GST_VIDEO_FRAME_WIDTH (&converted) / 2,
GST_VIDEO_FRAME_HEIGHT (&converted));
cairo_set_source_surface (context, diff_surface, 0, 0);
cairo_paint (context);
cairo_surface_destroy (ref_surface);
cairo_surface_destroy (nok_surface);
cairo_surface_destroy (diff_surface);
} else {
out_surface =
cairo_image_surface_create_for_data (GST_VIDEO_FRAME_PLANE_DATA
(&converted, 0), CAIRO_FORMAT_RGB24,
GST_VIDEO_FRAME_WIDTH (&converted),
GST_VIDEO_FRAME_HEIGHT (&converted),
GST_VIDEO_FRAME_PLANE_STRIDE (&converted, 0));
}
if ((status = cairo_surface_write_to_png (out_surface, outfile)) !=
CAIRO_STATUS_SUCCESS) {
GST_VALIDATE_REPORT (self, GENERAL_INPUT_ERROR,
"Could not save '%s', cairo status is '%s'", outfile,
cairo_status_to_string (status));
}
cairo_surface_destroy (surface);
cairo_surface_destroy (out_surface);
gst_video_frame_unmap (&frame);
gst_video_frame_unmap (&converted);
g_free (bn1);