video: improve logging

Add logging categories for most video objects.
Remove some useless debug lines in video-info and videotestsrc.
Add a performance debug line in the video scaler.

gst-libs/gst/video/gstvideometa.c

@@ -21,6 +21,27 @@
 
 #include <string.h>
 
+#ifndef GST_DISABLE_GST_DEBUG
+#define GST_CAT_DEFAULT ensure_debug_category()
+static GstDebugCategory *
+ensure_debug_category (void)
+{
+  static gsize cat_gonce = 0;
+
+  if (g_once_init_enter (&cat_gonce)) {
+    gsize cat_done;
+
+    cat_done = (gsize) _gst_debug_category_new ("videometa", 0, "videometa");
+
+    g_once_init_leave (&cat_gonce, cat_done);
+  }
+
+  return (GstDebugCategory *) cat_gonce;
+}
+#else
+#define ensure_debug_category() /* NOOP */
+#endif /* GST_DISABLE_GST_DEBUG */
+
 static gboolean
 gst_video_meta_transform (GstBuffer * dest, GstMeta * meta,
     GstBuffer * buffer, GQuark type, gpointer data)

gst-libs/gst/video/gstvideopool.c

@@ -20,6 +20,10 @@
 #include "gst/video/gstvideometa.h"
 #include "gst/video/gstvideopool.h"
 
+
+GST_DEBUG_CATEGORY_STATIC (gst_video_pool_debug);
+#define GST_CAT_DEFAULT gst_video_pool_debug
+
 /**
  * SECTION:gstvideopool
  * @short_description: GstBufferPool for raw video buffers
@@ -277,6 +281,9 @@ gst_video_buffer_pool_class_init (GstVideoBufferPoolClass * klass)
   gstbufferpool_class->get_options = video_buffer_pool_get_options;
   gstbufferpool_class->set_config = video_buffer_pool_set_config;
   gstbufferpool_class->alloc_buffer = video_buffer_pool_alloc;
+
+  GST_DEBUG_CATEGORY_INIT (gst_video_pool_debug, "videopool", 0,
+      "videopool object");
 }
 
 static void

gst-libs/gst/video/video-chroma.c

@@ -27,6 +27,7 @@
 #include "video-orc.h"
 #include "video-format.h"
 
+
 /**
  * SECTION:gstvideochroma
  * @short_description: Functions and utility object for operating on chroma video planes
@@ -39,6 +40,28 @@
  *
  */
 
+#ifndef GST_DISABLE_GST_DEBUG
+#define GST_CAT_DEFAULT ensure_debug_category()
+static GstDebugCategory *
+ensure_debug_category (void)
+{
+  static gsize cat_gonce = 0;
+
+  if (g_once_init_enter (&cat_gonce)) {
+    gsize cat_done;
+
+    cat_done = (gsize) _gst_debug_category_new ("video-chroma", 0,
+        "video-chroma object");
+
+    g_once_init_leave (&cat_gonce, cat_done);
+  }
+
+  return (GstDebugCategory *) cat_gonce;
+}
+#else
+#define ensure_debug_category() /* NOOP */
+#endif /* GST_DISABLE_GST_DEBUG */
+
 typedef struct
 {
   const gchar *name;

gst-libs/gst/video/video-color.c

@@ -29,6 +29,28 @@
 
 #include "video-color.h"
 
+#ifndef GST_DISABLE_GST_DEBUG
+#define GST_CAT_DEFAULT ensure_debug_category()
+static GstDebugCategory *
+ensure_debug_category (void)
+{
+  static gsize cat_gonce = 0;
+
+  if (g_once_init_enter (&cat_gonce)) {
+    gsize cat_done;
+
+    cat_done = (gsize) _gst_debug_category_new ("video-color", 0,
+        "video-color object");
+
+    g_once_init_leave (&cat_gonce, cat_done);
+  }
+
+  return (GstDebugCategory *) cat_gonce;
+}
+#else
+#define ensure_debug_category() /* NOOP */
+#endif /* GST_DISABLE_GST_DEBUG */
+
 typedef struct
 {
   const gchar *name;

gst-libs/gst/video/video-converter.c

@@ -95,6 +95,29 @@
  *         9 : a -> b -> c -> d -> e* -> f* -> g* -> h -> i -> j -> k
  *        10 : a -> b -> c -> d -> e* -> f* -> g* -> h -> i -> j -> k
  */
+
+#ifndef GST_DISABLE_GST_DEBUG
+#define GST_CAT_DEFAULT ensure_debug_category()
+static GstDebugCategory *
+ensure_debug_category (void)
+{
+  static gsize cat_gonce = 0;
+
+  if (g_once_init_enter (&cat_gonce)) {
+    gsize cat_done;
+
+    cat_done = (gsize) _gst_debug_category_new ("video-converter", 0,
+        "video-converter object");
+
+    g_once_init_leave (&cat_gonce, cat_done);
+  }
+
+  return (GstDebugCategory *) cat_gonce;
+}
+#else
+#define ensure_debug_category() /* NOOP */
+#endif /* GST_DISABLE_GST_DEBUG */
+
 typedef struct _GstLineCache GstLineCache;
 
 #define SCALE    (8)

gst-libs/gst/video/video-info.c

@@ -29,6 +29,28 @@
 #include "video-info.h"
 #include "video-tile.h"
 
+#ifndef GST_DISABLE_GST_DEBUG
+#define GST_CAT_DEFAULT ensure_debug_category()
+static GstDebugCategory *
+ensure_debug_category (void)
+{
+  static gsize cat_gonce = 0;
+
+  if (g_once_init_enter (&cat_gonce)) {
+    gsize cat_done;
+
+    cat_done = (gsize) _gst_debug_category_new ("video-info", 0,
+        "video-info structure");
+
+    g_once_init_leave (&cat_gonce, cat_done);
+  }
+
+  return (GstDebugCategory *) cat_gonce;
+}
+#else
+#define ensure_debug_category() /* NOOP */
+#endif /* GST_DISABLE_GST_DEBUG */
+
 /**
  * gst_video_info_copy:
  * @info: a #GstVideoInfo
@@ -666,8 +688,6 @@ fill_planes (GstVideoInfo * info)
         cr_h = GST_ROUND_UP_2 (cr_h);
       info->offset[2] = info->offset[1] + info->stride[1] * cr_h;
       info->size = info->offset[2] + info->stride[2] * cr_h;
-      GST_DEBUG ("%d %d %d", GST_VIDEO_INFO_IS_INTERLACED (info),
-          (int) info->offset[2], (int) info->size);
       break;
     case GST_VIDEO_FORMAT_Y41B:
       info->stride[0] = GST_ROUND_UP_4 (width);

gst-libs/gst/video/video-resampler.c

@@ -27,6 +27,28 @@
 
 #include "video-resampler.h"
 
+#ifndef GST_DISABLE_GST_DEBUG
+#define GST_CAT_DEFAULT ensure_debug_category()
+static GstDebugCategory *
+ensure_debug_category (void)
+{
+  static gsize cat_gonce = 0;
+
+  if (g_once_init_enter (&cat_gonce)) {
+    gsize cat_done;
+
+    cat_done = (gsize) _gst_debug_category_new ("video-resampler", 0,
+        "video-resampler object");
+
+    g_once_init_leave (&cat_gonce, cat_done);
+  }
+
+  return (GstDebugCategory *) cat_gonce;
+}
+#else
+#define ensure_debug_category() /* NOOP */
+#endif /* GST_DISABLE_GST_DEBUG */
+
 /**
  * SECTION:gstvideoresampler
  * @short_description: Utility structure for resampler information
@@ -36,6 +58,7 @@
  *
  */
 
+
 #define DEFAULT_OPT_CUBIC_B (1.0 / 3.0)
 #define DEFAULT_OPT_CUBIC_C (1.0 / 3.0)
 

gst-libs/gst/video/video-scaler.c

@@ -43,6 +43,29 @@
 #include "video-orc.h"
 #include "video-scaler.h"
 
+#ifndef GST_DISABLE_GST_DEBUG
+#define GST_CAT_DEFAULT ensure_debug_category()
+static GstDebugCategory *
+ensure_debug_category (void)
+{
+  static gsize cat_gonce = 0;
+
+  if (g_once_init_enter (&cat_gonce)) {
+    gsize cat_done;
+
+    cat_done = (gsize) _gst_debug_category_new ("video-scaler", 0,
+        "video-scaler object");
+
+    g_once_init_leave (&cat_gonce, cat_done);
+  }
+
+  return (GstDebugCategory *) cat_gonce;
+}
+
+#else
+#define ensure_debug_category() /* NOOP */
+#endif /* GST_DISABLE_GST_DEBUG */
+
 #define SCALE_U8          12
 #define SCALE_U8_ROUND    (1 << (SCALE_U8 -1))
 #define SCALE_U8_LQ       6

gst-libs/gst/video/videooverlay.c

@@ -312,6 +312,9 @@
 
 #include "videooverlay.h"
 
+GST_DEBUG_CATEGORY_STATIC (gst_video_overlay_debug);
+#define GST_CAT_DEFAULT gst_video_overlay_debug
+
 GType
 gst_video_overlay_get_type (void)
 {
@@ -332,6 +335,9 @@ gst_video_overlay_get_type (void)
 
     gst_video_overlay_type = g_type_register_static (G_TYPE_INTERFACE,
         "GstVideoOverlay", &gst_video_overlay_info, 0);
+
+    GST_DEBUG_CATEGORY_INIT (gst_video_overlay_debug, "videooverlay", 0,
+        "videooverlay interface");
   }
 
   return gst_video_overlay_type;

gst/videoscale/gstvideoscale.c

@@ -1078,6 +1078,8 @@ gst_video_scale_transform_frame (GstVideoFilter * filter,
   GstVideoScale *videoscale = GST_VIDEO_SCALE_CAST (filter);
   GstFlowReturn ret = GST_FLOW_OK;
 
+  GST_CAT_DEBUG_OBJECT (GST_CAT_PERFORMANCE, filter, "doing video scaling");
+
   gst_video_converter_frame (videoscale->convert, in_frame, out_frame);
 
   return ret;

gst/videotestsrc/videotestsrc.c

@@ -1186,8 +1186,6 @@ convert_hline_generic (paintinfo * p, GstVideoFrame * frame, int y)
 
     for (i = 0; i < n_lines; i++) {
       idx = CLAMP (y + i + offset, 0, height - 1);
-
-      GST_DEBUG ("line %d, %d, idx %d", i, y + i + offset, idx);
       lines[i] = p->lines[idx % n_lines];
     }
 
@@ -1198,7 +1196,6 @@ convert_hline_generic (paintinfo * p, GstVideoFrame * frame, int y)
       idx = y + i + offset;
       if (idx > height - 1)
         break;
-      GST_DEBUG ("pack line %d", idx);
       finfo->pack_func (finfo, GST_VIDEO_PACK_FLAG_NONE,
           lines[i], 0, frame->data, frame->info.stride,
           frame->info.chroma_site, idx, width);