Fix level for multi-channel case.

Original commit message from CVS:
* gst/level/gstlevel.c: (gst_level_set_caps),
(gst_level_transform_ip):
* sys/v4l2/README:
* tests/check/elements/level.c: (GST_START_TEST):
Fix level for multi-channel case.

diff --git a/ChangeLog b/ChangeLog
index 978d614..4df99ca 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2007-02-22  Stefan Kost  <ensonic@users.sf.net>
+
+       * gst/level/gstlevel.c: (gst_level_set_caps),
+       (gst_level_transform_ip):
+       * sys/v4l2/README:
+       * tests/check/elements/level.c: (GST_START_TEST):
+         Fix level for multi-channel case.
+
 2007-02-21  Stefan Kost  <ensonic@users.sf.net>
 
        * gst/level/gstlevel.c: (gst_level_init), (gst_level_set_caps),

diff --git a/gst/level/gstlevel.c b/gst/level/gstlevel.c
index bc1c42e..6ff849f 100644 (file)
--- a/gst/level/gstlevel.c
+++ b/gst/level/gstlevel.c
@@ -514,12 +514,13 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
 
   for (i = 0; i < filter->channels; ++i) {
     CS = 0.0;
-    filter->process (in_data + i, num_int_samples, filter->channels, &CS,
+    filter->process (in_data, num_int_samples, filter->channels, &CS,
         &filter->peak[i]);
     GST_LOG_OBJECT (filter,
         "channel %d, cumulative sum %f, peak %f, over %d samples/%d channels",
         i, CS, filter->peak[i], num_int_samples, filter->channels);
     filter->CS[i] += CS;
+    in_data += (filter->width / 8);
   }
 
   filter->num_frames += num_frames;

diff --git a/sys/v4l2/README b/sys/v4l2/README
index bf90939..e9c4ab4 100644 (file)
--- a/sys/v4l2/README
+++ b/sys/v4l2/README
@@ -26,3 +26,7 @@ V4L2 API: http://linux.bytesex.org/v4l2/.
 
 Kernel patches available from
           http://dl.bytesex.org/patches/.
+
+Articles:
+          http://lwn.net/Articles/203924/
+

diff --git a/tests/check/elements/level.c b/tests/check/elements/level.c
index 008874a..8282288 100644 (file)
--- a/tests/check/elements/level.c
+++ b/tests/check/elements/level.c
@@ -157,6 +157,7 @@ GST_START_TEST (test_int16)
       list = gst_structure_get_value (structure, fields[j]);
       value = gst_value_list_get_value (list, i);
       dB = g_value_get_double (value);
+      GST_DEBUG ("%s is %lf", fields[j], dB);
       fail_if (dB < -6.0);
       fail_if (dB > -5.9);
     }
@@ -165,7 +166,6 @@ GST_START_TEST (test_int16)
   fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
   fail_unless (inbuffer == outbuffer);
 
-
   /* clean up */
   /* flush current messages,and future state change messages */
   gst_bus_set_flushing (bus, TRUE);