yikes, wrong patch

Original commit message from CVS:
yikes, wrong patch

diff --git a/gst/videoscale/gstvideoscale.c b/gst/videoscale/gstvideoscale.c
index f4942f9..cc21a5e 100644 (file)
--- a/gst/videoscale/gstvideoscale.c
+++ b/gst/videoscale/gstvideoscale.c
@@ -180,43 +180,25 @@ gst_videoscale_getcaps (GstPad * pad)
   GstPad *otherpad;
   int i;
 
+  GST_DEBUG ("gst_videoscale_getcaps");
   videoscale = GST_VIDEOSCALE (gst_pad_get_parent (pad));
 
   otherpad = (pad == videoscale->srcpad) ? videoscale->sinkpad :
       videoscale->srcpad;
   othercaps = gst_pad_get_allowed_caps (otherpad);
 
-  GST_DEBUG_OBJECT (pad, "othercaps of otherpad %s:%s are: %" GST_PTR_FORMAT,
-      GST_DEBUG_PAD_NAME (otherpad), othercaps);
+  GST_DEBUG ("othercaps are: %" GST_PTR_FORMAT, othercaps);
 
   caps = gst_caps_copy (othercaps);
   for (i = 0; i < gst_caps_get_size (caps); i++) {
-    const GValue *par;
     GstStructure *structure = gst_caps_get_structure (caps, i);
 
     gst_structure_set (structure,
         "width", GST_TYPE_INT_RANGE, 16, G_MAXINT,
         "height", GST_TYPE_INT_RANGE, 16, G_MAXINT, NULL);
-    gst_structure_remove_field (structure, "pixel-aspect-ratio");
-    /* copy the pixel aspect ratio from the previously stored value */
-    if (pad == videoscale->srcpad) {
-      par = videoscale->from_par;
-      g_print ("from_par: %p\n", par);
-    } else {
-      par = videoscale->to_par;
-      g_print ("to_par: %p\n", par);
-    }
-#if 0
-    if (par) {
-      gst_structure_set (structure,
-          "pixel-aspect-ratio", GST_TYPE_FRACTION,
-          gst_value_get_fraction_numerator (par),
-          gst_value_get_fraction_denominator (par), NULL);
-    }
-#endif
   }
 
-  GST_DEBUG_OBJECT (pad, "returning caps: %" GST_PTR_FORMAT, caps);
+  GST_DEBUG ("returning caps: %" GST_PTR_FORMAT, caps);
 
   return caps;
 }
@@ -227,53 +209,29 @@ gst_videoscale_link (GstPad * pad, const GstCaps * caps)
 {
   GstVideoscale *videoscale;
   GstPadLinkReturn ret;
-  int count = 0;
   GstPad *otherpad;
-  GstCaps *othercaps;
   GstStructure *structure;
-  GstStructure *otherstructure;
   struct videoscale_format_struct *format;
-  int height = 0, width = 0;
-  const GValue *par = NULL;
-  const GValue *otherpar;
+  int height, width;
 
+  GST_DEBUG ("gst_videoscale_link %s\n", gst_caps_to_string (caps));
   videoscale = GST_VIDEOSCALE (gst_pad_get_parent (pad));
-  GST_DEBUG_OBJECT (videoscale, "linking pad %s:%s with caps %" GST_PTR_FORMAT,
-      GST_DEBUG_PAD_NAME (pad), caps);
 
   otherpad = (pad == videoscale->srcpad) ? videoscale->sinkpad :
       videoscale->srcpad;
 
   structure = gst_caps_get_structure (caps, 0);
-  if (gst_structure_get_int (structure, "width", &width))
-    count++;
-  if (gst_structure_get_int (structure, "height", &height))
-    count++;
-  par = gst_structure_get_value (structure, "pixel-aspect-ratio");
-  if (par)
-    count++;
-
-  ret = (count == 3 || (count == 2 && !par));
-  format = videoscale_find_by_structure (structure);
+  ret = gst_structure_get_int (structure, "width", &width);
+  ret &= gst_structure_get_int (structure, "height", &height);
 
-  /* if we received only two of these three, and the other pad is negotiated,
-   * we can calculate the third and use it for negotiation */
-  g_print ("count me: %d\n", count);
-  if (count == 2 && gst_pad_is_negotiated (otherpad)) {
-    g_print ("OH YEAH; DO YOUR MAGIC\n");
-  }
+  format = videoscale_find_by_structure (structure);
 
   if (!ret || format == NULL)
     return GST_PAD_LINK_REFUSED;
 
-  GST_DEBUG_OBJECT (videoscale,
-      "trying to set caps %" GST_PTR_FORMAT " on pad %s:%s",
-      caps, GST_DEBUG_PAD_NAME (otherpad));
-
   ret = gst_pad_try_set_caps (otherpad, caps);
   if (ret == GST_PAD_LINK_OK) {
     /* cool, we can use passthru */
-    GST_DEBUG_OBJECT (videoscale, "passthru works");
 
     videoscale->format = format;
     videoscale->to_width = width;
@@ -281,42 +239,22 @@ gst_videoscale_link (GstPad * pad, const GstCaps * caps)
     videoscale->from_width = width;
     videoscale->from_height = height;
 
-    g_print ("_setup");
     gst_videoscale_setup (videoscale);
 
     return GST_PAD_LINK_OK;
   }
 
-  /* no passthru, so try to convert */
-  GST_DEBUG_OBJECT (videoscale, "no passthru");
-
   if (gst_pad_is_negotiated (otherpad)) {
     GstCaps *newcaps = gst_caps_copy (caps);
 
-    GST_DEBUG_OBJECT (videoscale, "otherpad %s:%s is negotiated",
-        GST_DEBUG_PAD_NAME (otherpad));
-
-
     if (pad == videoscale->srcpad) {
       gst_caps_set_simple (newcaps,
           "width", G_TYPE_INT, videoscale->from_width,
           "height", G_TYPE_INT, videoscale->from_height, NULL);
-      if (videoscale->from_par) {
-        gst_structure_set (gst_caps_get_structure (newcaps, 0),
-            "pixel-aspect-ratio", GST_TYPE_FRACTION,
-            gst_value_get_fraction_numerator (videoscale->from_par),
-            gst_value_get_fraction_denominator (videoscale->from_par), NULL);
-      }
     } else {
       gst_caps_set_simple (newcaps,
           "width", G_TYPE_INT, videoscale->to_width,
           "height", G_TYPE_INT, videoscale->to_height, NULL);
-      if (videoscale->to_par) {
-        gst_structure_set (gst_caps_get_structure (newcaps, 0),
-            "pixel-aspect-ratio", GST_TYPE_FRACTION,
-            gst_value_get_fraction_numerator (videoscale->to_par),
-            gst_value_get_fraction_denominator (videoscale->to_par), NULL);
-      }
     }
     ret = gst_pad_try_set_caps (otherpad, newcaps);
     if (GST_PAD_LINK_FAILED (ret)) {
@@ -325,146 +263,21 @@ gst_videoscale_link (GstPad * pad, const GstCaps * caps)
   }
 
   videoscale->passthru = FALSE;
-  GST_DEBUG_OBJECT (videoscale,
-      "no passthru, otherpad %s:%s is not negotiated",
-      GST_DEBUG_PAD_NAME (otherpad));
-
-  /* since we're accepting these caps on this pad, we can now check for
-   * pixel-aspect-ratio, and try setting converted caps on the other pad,
-   * Keep one of w,h the same, and scale the other, using the pixel aspect
-   * ratio */
-
-  othercaps = gst_pad_get_caps (otherpad);
-  otherstructure = gst_caps_get_structure (othercaps, 0);
-  structure = gst_caps_get_structure (caps, 0);
 
-  par = gst_structure_get_value (structure, "pixel-aspect-ratio");
-  otherpar = gst_structure_get_value (otherstructure, "pixel-aspect-ratio");
-  GST_DEBUG ("othercaps: %" GST_PTR_FORMAT, othercaps);
-  g_print ("par %p, otherpar %p\n", par, otherpar);
-  if (par && otherpar) {
-    g_print ("par %d/%d, otherpar %d/%d\n",
-        gst_value_get_fraction_numerator (par),
-        gst_value_get_fraction_denominator (par),
-        gst_value_get_fraction_numerator (otherpar),
-        gst_value_get_fraction_denominator (otherpar));
-  }
   if (pad == videoscale->srcpad) {
     videoscale->to_width = width;
     videoscale->to_height = height;
-    if (par) {
-      /* FIXME: add finalize to free these */
-      g_print ("storing par %p in to_par\n", par);
-      g_free (videoscale->to_par);
-      videoscale->to_par = g_new0 (GValue, 1);
-      gst_value_init_and_copy (videoscale->to_par, par);
-    }
   } else {
     videoscale->from_width = width;
     videoscale->from_height = height;
-    if (par) {
-      g_print ("storing par %p in from_par\n", par);
-      g_free (videoscale->from_par);
-      videoscale->from_par = g_new0 (GValue, 1);
-      gst_value_init_and_copy (videoscale->from_par, par);
-    }
   }
   videoscale->format = format;
 
   if (gst_pad_is_negotiated (otherpad)) {
-    g_print ("_setup");
     gst_videoscale_setup (videoscale);
   }
-  return GST_PAD_LINK_OK;
-}
-
-static GstCaps *
-gst_videoscale_src_fixate (GstPad * pad, const GstCaps * caps)
-{
-  GstVideoscale *videoscale;
-  GstCaps *newcaps;
-  int i;
-  gboolean ret = TRUE;
-
-  videoscale = GST_VIDEOSCALE (gst_pad_get_parent (pad));
-
-  GST_DEBUG_OBJECT (pad, "asked to fixate caps %" GST_PTR_FORMAT, caps);
-
-  /* fixate using pixel aspect ratio */
-
-  /* don't mess with fixation if we don't have a sink pad PAR */
-  if (!videoscale->from_par)
-    return NULL;
-
-  /* for each structure, if it contains a pixel aspect ratio,
-   * fix width and height */
-
-  newcaps = gst_caps_copy (caps);
-  for (i = 0; i < gst_caps_get_size (newcaps); i++) {
-    const GValue *to_par;
-
-    //int w, h;
-    //int count;
-
-    GstStructure *structure = gst_caps_get_structure (newcaps, i);
-
-    to_par = gst_structure_get_value (structure, "pixel-aspect-ratio");
-    if (to_par) {
-      GValue to_ratio = { 0, }; /* w/h of output video */
-      int from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d;
-
-      int w = 0, h = 0;
-      int num, den;
-
-      g_print ("Going to fixate respecting pars");
-      from_w = videoscale->from_width;
-      from_h = videoscale->from_height;
-      from_par_n = gst_value_get_fraction_numerator (videoscale->from_par);
-      from_par_d = gst_value_get_fraction_denominator (videoscale->from_par);
-      to_par_n = gst_value_get_fraction_numerator (to_par);
-      to_par_d = gst_value_get_fraction_denominator (to_par);
-
-      g_print ("from %dx%d with %d/%d to %d/%d\n",
-          from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d);
-      g_value_init (&to_ratio, GST_TYPE_FRACTION);
-      gst_value_set_fraction (&to_ratio, from_w * from_par_n * to_par_d,
-          from_h * from_par_d * to_par_n);
-      num = gst_value_get_fraction_numerator (&to_ratio);
-      den = gst_value_get_fraction_denominator (&to_ratio);
-      g_print ("scale pixel size to %d/%d\n", num, den);
-
-      /* now find a width x height that respects this display ratio.
-       * prefer those that have one of w/h the same as the incoming video
-       * using wd / hd = num / den */
-
-      /* start with same width
-       * check hd / den is an integer scale factor, and scale num
-       * to VIDEO_WIDTH by this factor */
-      if (from_w % num == 0) {
-        w = from_w;
-        h = w * den / num;
-        GST_DEBUG_OBJECT (videoscale, "keeping video width");
-      } else if (from_h % den == 0) {
-        h = from_h;
-        w = h * num / den;
-        GST_DEBUG_OBJECT (videoscale, "keeping video height");
-      } else
-        g_assert_not_reached ();        /* FIXME, approximate */
-      GST_DEBUG_OBJECT (videoscale, "scaling to %dx%d", w, h);
-
-      /* now fixate */
-      ret &=
-          gst_caps_structure_fixate_field_nearest_int (structure, "width", w);
-      ret &=
-          gst_caps_structure_fixate_field_nearest_int (structure, "height", h);
-    }
-  }
-
-  if (ret)
-    return newcaps;
 
-  gst_caps_free (newcaps);
-  return NULL;
+  return GST_PAD_LINK_OK;
 }
 
 static void
@@ -486,7 +299,6 @@ gst_videoscale_init (GstVideoscale * videoscale)
       gst_videoscale_handle_src_event);
   gst_pad_set_link_function (videoscale->srcpad, gst_videoscale_link);
   gst_pad_set_getcaps_function (videoscale->srcpad, gst_videoscale_getcaps);
-  gst_pad_set_fixate_function (videoscale->srcpad, gst_videoscale_src_fixate);
 
   videoscale->inited = FALSE;
 
@@ -630,6 +442,7 @@ gst_videoscale_get_property (GObject * object, guint prop_id, GValue * value,
   }
 }
 
+
 static gboolean
 plugin_init (GstPlugin * plugin)
 {