gst/: Added some logging, fixed an overflow bug in videorate.

Original commit message from CVS:
* gst/audiorate/gstaudiorate.c: (gst_audiorate_link),
(gst_audiorate_init), (gst_audiorate_chain),
(gst_audiorate_set_property), (gst_audiorate_get_property):
* gst/videorate/gstvideorate.c: (gst_videorate_class_init),
(gst_videorate_chain):
Added some logging, fixed an overflow bug in videorate.

ChangeLog

@@ -1,3 +1,12 @@
+2004-06-24  Wim Taymans  <wim@fluendo.com>
+
+	* gst/audiorate/gstaudiorate.c: (gst_audiorate_link),
+	(gst_audiorate_init), (gst_audiorate_chain),
+	(gst_audiorate_set_property), (gst_audiorate_get_property):
+	* gst/videorate/gstvideorate.c: (gst_videorate_class_init),
+	(gst_videorate_chain):
+	Added some logging, fixed an overflow bug in videorate.
+
 2004-06-24  Benjamin Otte  <otte@gnome.org>
 
 	* ext/kio/Makefile.am:

gst/audiorate/gstaudiorate.c

@@ -45,6 +45,8 @@ struct _GstAudiorate
 
   GstPad *sinkpad, *srcpad;
 
+  gint bytes_per_sample;
+
   /* audio state */
   guint64 next_offset;
 
@@ -190,6 +192,7 @@ gst_audiorate_link (GstPad * pad, const GstCaps * caps)
   GstStructure *structure;
   GstPad *otherpad;
   GstPadLinkReturn res;
+  gint ret, channels, depth;
 
   audiorate = GST_AUDIORATE (gst_pad_get_parent (pad));
 
@@ -202,6 +205,13 @@ gst_audiorate_link (GstPad * pad, const GstCaps * caps)
 
   structure = gst_caps_get_structure (caps, 0);
 
+  ret = gst_structure_get_int (structure, "channels", &channels);
+  ret &= gst_structure_get_int (structure, "depth", &depth);
+
+  audiorate->bytes_per_sample = channels * (depth / 8);
+  if (audiorate->bytes_per_sample == 0)
+    audiorate->bytes_per_sample = 1;
+
   return GST_PAD_LINK_OK;
 }
 
@@ -226,6 +236,7 @@ gst_audiorate_init (GstAudiorate * audiorate)
   gst_pad_set_link_function (audiorate->srcpad, gst_audiorate_link);
   gst_pad_set_getcaps_function (audiorate->srcpad, gst_pad_proxy_getcaps);
 
+  audiorate->bytes_per_sample = 1;
   audiorate->in = 0;
   audiorate->out = 0;
   audiorate->drop = 0;
@@ -241,7 +252,6 @@ gst_audiorate_chain (GstPad * pad, GstData * data)
   GstClockTime in_time, in_duration;
   guint64 in_offset, in_offset_end;
   gint in_size;
-  gint bytes_per_sample;
 
   audiorate = GST_AUDIORATE (gst_pad_get_parent (pad));
 
@@ -261,8 +271,9 @@ gst_audiorate_chain (GstPad * pad, GstData * data)
   in_offset = GST_BUFFER_OFFSET (buf);
   in_offset_end = GST_BUFFER_OFFSET_END (buf);
 
-  /* FIXME: use caps to get this */
+  if (in_offset == GST_CLOCK_TIME_NONE || in_offset_end == GST_CLOCK_TIME_NONE) {
-  bytes_per_sample = in_size / (in_offset_end - in_offset);
+    g_warning ("audiorate got buffer without offsets");
+  }
 
   /* do we need to insert samples */
   if (in_offset > audiorate->next_offset) {
@@ -271,11 +282,13 @@ gst_audiorate_chain (GstPad * pad, GstData * data)
     guint64 fillsamples;
 
     fillsamples = in_offset - audiorate->next_offset;
-    fillsize = fillsamples * bytes_per_sample;
+    fillsize = fillsamples * audiorate->bytes_per_sample;
 
     fill = gst_buffer_new_and_alloc (fillsize);
     memset (GST_BUFFER_DATA (fill), 0, fillsize);
 
+    GST_LOG_OBJECT (audiorate, "inserting %lld samples", fillsamples);
+
     GST_BUFFER_DURATION (fill) = in_duration * fillsize / in_size;
     GST_BUFFER_TIMESTAMP (fill) = in_time - GST_BUFFER_DURATION (fill);
     GST_BUFFER_OFFSET (fill) = audiorate->next_offset;
@@ -290,7 +303,11 @@ gst_audiorate_chain (GstPad * pad, GstData * data)
   } else if (in_offset < audiorate->next_offset) {
     /* need to remove samples */
     if (in_offset_end <= audiorate->next_offset) {
-      audiorate->drop += in_size / bytes_per_sample;
+      guint64 drop = in_size / audiorate->bytes_per_sample;
+
+      audiorate->drop += drop;
+
+      GST_LOG_OBJECT (audiorate, "dropping %lld samples", drop);
 
       /* we can drop the buffer completely */
       gst_buffer_unref (buf);
@@ -300,12 +317,12 @@ gst_audiorate_chain (GstPad * pad, GstData * data)
 
       return;
     } else {
-      gint truncsamples, truncsize, leftsize;
+      guint64 truncsamples, truncsize, leftsize;
       GstBuffer *trunc;
 
       /* truncate buffer */
       truncsamples = audiorate->next_offset - in_offset;
-      truncsize = truncsamples * bytes_per_sample;
+      truncsize = truncsamples * audiorate->bytes_per_sample;
       leftsize = in_size - truncsize;
 
       trunc = gst_buffer_create_sub (buf, truncsize, in_size);
@@ -315,6 +332,8 @@ gst_audiorate_chain (GstPad * pad, GstData * data)
       GST_BUFFER_OFFSET (trunc) = audiorate->next_offset;
       GST_BUFFER_OFFSET_END (trunc) = in_offset_end;
 
+      GST_LOG_OBJECT (audiorate, "truncating %lld samples", truncsamples);
+
       gst_buffer_unref (buf);
       buf = trunc;
 

gst/videorate/gstvideorate.c

@@ -339,12 +339,29 @@ gst_videorate_chain (GstPad * pad, GstData * data)
     prevtime = GST_BUFFER_TIMESTAMP (videorate->prevbuf);
     intime = GST_BUFFER_TIMESTAMP (buf);
 
+    GST_LOG_OBJECT (videorate,
+        "videorate: prev buf %" GST_TIME_FORMAT " new buf %" GST_TIME_FORMAT
+        " outgoing ts %" GST_TIME_FORMAT "\n", GST_TIME_ARGS (prevtime),
+        GST_TIME_ARGS (intime), GST_TIME_ARGS (videorate->next_ts));
+
     videorate->in++;
 
     /* got 2 buffers, see which one is the best */
     do {
-      diff1 = abs (prevtime - videorate->next_ts);
+      diff1 = ABS (prevtime - videorate->next_ts);
-      diff2 = abs (intime - videorate->next_ts) * videorate->new_pref;
+      diff2 = ABS (intime - videorate->next_ts);
+
+      /* take absolute values, beware: abs and ABS don't work for gint64 */
+      if (diff1 < 0)
+        diff1 = -diff1;
+      if (diff2 < 0)
+        diff2 = -diff2;
+
+      GST_LOG_OBJECT (videorate,
+          "videorate: diff with prev %" GST_TIME_FORMAT " diff with new %"
+          GST_TIME_FORMAT " outgoing ts %" GST_TIME_FORMAT "\n",
+          GST_TIME_ARGS (diff1), GST_TIME_ARGS (diff2),
+          GST_TIME_ARGS (videorate->next_ts));
 
       /* output first one when its the best */
       if (diff1 <= diff2) {
@@ -360,6 +377,10 @@ gst_videorate_chain (GstPad * pad, GstData * data)
         GST_BUFFER_DURATION (outbuf) =
             videorate->next_ts - GST_BUFFER_TIMESTAMP (outbuf);
         gst_pad_push (videorate->srcpad, GST_DATA (outbuf));
+
+        GST_LOG_OBJECT (videorate,
+            "videorate: old is best, dup, outgoing ts %" GST_TIME_FORMAT " \n",
+            GST_TIME_ARGS (videorate->next_ts));
       }
       /* continue while the first one was the best */
     }
@@ -376,9 +397,16 @@ gst_videorate_chain (GstPad * pad, GstData * data)
       videorate->drop++;
       if (!videorate->silent)
         g_object_notify (G_OBJECT (videorate), "drop");
+      GST_LOG_OBJECT (videorate,
+          "videorate: new is best, old never used, drop, outgoing ts %"
+          GST_TIME_FORMAT " \n", GST_TIME_ARGS (videorate->next_ts));
     }
-//    g_print ("swap: diff1 %lld, diff2 %lld, in %d, out %d, drop %d, dup %d\n", diff1, diff2, 
+    GST_LOG_OBJECT (videorate,
-//                  videorate->in, videorate->out, videorate->drop, videorate->dup);
+        "videorate: left loop, putting new in old, diff1 %" GST_TIME_FORMAT
+        ", diff2 %" GST_TIME_FORMAT
+        ", in %lld, out %lld, drop %lld, dup %lld\n", GST_TIME_ARGS (diff1),
+        GST_TIME_ARGS (diff2), videorate->in, videorate->out, videorate->drop,
+        videorate->dup);
 
     /* swap in new one when it's the best */
     gst_buffer_unref (videorate->prevbuf);