micro-optim: if (x) is cheaper than if (x > 0) for unsigned integers

gst/gstbuffer.c

@@ -572,7 +572,7 @@ gst_buffer_create_sub (GstBuffer * buffer, guint offset, guint size)
   gboolean complete;
 
   g_return_val_if_fail (buffer != NULL, NULL);
-  g_return_val_if_fail (buffer->mini_object.refcount > 0, NULL);
+  g_return_val_if_fail (buffer->mini_object.refcount, NULL);
   g_return_val_if_fail (buffer->size >= offset + size, NULL);
 
   /* find real parent */
@@ -652,8 +652,8 @@ gboolean
 gst_buffer_is_span_fast (GstBuffer * buf1, GstBuffer * buf2)
 {
   g_return_val_if_fail (buf1 != NULL && buf2 != NULL, FALSE);
-  g_return_val_if_fail (buf1->mini_object.refcount > 0, FALSE);
+  g_return_val_if_fail (buf1->mini_object.refcount, FALSE);
-  g_return_val_if_fail (buf2->mini_object.refcount > 0, FALSE);
+  g_return_val_if_fail (buf2->mini_object.refcount, FALSE);
 
   /* it's only fast if we have subbuffers of the same parent */
   return (GST_IS_SUBBUFFER (buf1) &&
@@ -690,9 +690,9 @@ gst_buffer_span (GstBuffer * buf1, guint32 offset, GstBuffer * buf2,
   GstBuffer *newbuf;
 
   g_return_val_if_fail (buf1 != NULL && buf2 != NULL, NULL);
-  g_return_val_if_fail (buf1->mini_object.refcount > 0, NULL);
+  g_return_val_if_fail (buf1->mini_object.refcount, NULL);
-  g_return_val_if_fail (buf2->mini_object.refcount > 0, NULL);
+  g_return_val_if_fail (buf2->mini_object.refcount, NULL);
-  g_return_val_if_fail (len > 0, NULL);
+  g_return_val_if_fail (len, NULL);
   g_return_val_if_fail (len <= buf1->size + buf2->size - offset, NULL);
 
   /* if the two buffers have the same parent and are adjacent */

gst/gstbus.c

@@ -313,7 +313,7 @@ gst_bus_post (GstBus * bus, GstMessage * message)
 
   handler = bus->sync_handler;
   handler_data = bus->sync_handler_data;
-  emit_sync_message = bus->priv->num_sync_message_emitters > 0;
+  emit_sync_message = bus->priv->num_sync_message_emitters;
   GST_OBJECT_UNLOCK (bus);
 
   /* first call the sync handler if it is installed */
@@ -1215,7 +1215,7 @@ gst_bus_add_signal_watch_full (GstBus * bus, gint priority)
   /* I know the callees don't take this lock, so go ahead and abuse it */
   GST_OBJECT_LOCK (bus);
 
-  if (bus->num_signal_watchers > 0)
+  if (bus->num_signal_watchers)
     goto done;
 
   /* this should not fail because the counter above takes care of it */
@@ -1288,7 +1288,7 @@ gst_bus_remove_signal_watch (GstBus * bus)
 
   bus->num_signal_watchers--;
 
-  if (bus->num_signal_watchers > 0)
+  if (bus->num_signal_watchers)
     goto done;
 
   id = bus->signal_watch_id;

gst/gstcaps.c

@@ -405,7 +405,7 @@ gst_caps_ref (GstCaps * caps)
   GST_CAT_TRACE (GST_CAT_REFCOUNTING, "%p %d->%d", caps,
       GST_CAPS_REFCOUNT_VALUE (caps), GST_CAPS_REFCOUNT_VALUE (caps) + 1);
 #endif
-  g_return_val_if_fail (GST_CAPS_REFCOUNT_VALUE (caps) > 0, NULL);
+  g_return_val_if_fail (GST_CAPS_REFCOUNT_VALUE (caps), NULL);
 
   g_atomic_int_inc (&caps->refcount);
 
@@ -429,7 +429,7 @@ gst_caps_unref (GstCaps * caps)
       GST_CAPS_REFCOUNT_VALUE (caps), GST_CAPS_REFCOUNT_VALUE (caps) - 1);
 #endif
 
-  g_return_if_fail (GST_CAPS_REFCOUNT_VALUE (caps) > 0);
+  g_return_if_fail (GST_CAPS_REFCOUNT_VALUE (caps));
 
   /* if we ended up with the refcount at zero, free the caps */
   if (G_UNLIKELY (g_atomic_int_dec_and_test (&caps->refcount)))
@@ -474,7 +474,7 @@ gst_static_caps_get (GstStaticCaps * static_caps)
 
     G_LOCK (static_caps_lock);
     /* check if other thread already updated */
-    if (G_UNLIKELY (g_atomic_int_get (&caps->refcount) > 0))
+    if (G_UNLIKELY (g_atomic_int_get (&caps->refcount)))
       goto done;
 
     string = static_caps->string;
@@ -1591,7 +1591,7 @@ gst_caps_subtract (const GstCaps * minuend, const GstCaps * subtrahend)
      Note: there's a test that checks this behaviour. */
   g_return_val_if_fail (!CAPS_IS_ANY (minuend), NULL);
   sublen = subtrahend->structs->len;
-  g_assert (sublen > 0);
+  g_assert (sublen);
 
   src = gst_caps_copy (minuend);
   for (i = 0; i < sublen; i++) {
@@ -2087,7 +2087,7 @@ gst_caps_to_string (const GstCaps * caps)
   for (i = 0; i < clen; i++) {
     GstStructure *structure;
 
-    if (i > 0) {
+    if (i) {
       /* ';' is now added by gst_structure_to_string */
       g_string_append_c (s, ' ');
     }

gst/gstclock.c

@@ -1004,7 +1004,7 @@ gst_clock_set_calibration (GstClock * clock, GstClockTime internal, GstClockTime
 {
   g_return_if_fail (GST_IS_CLOCK (clock));
   g_return_if_fail (rate_num != GST_CLOCK_TIME_NONE);
-  g_return_if_fail (rate_denom > 0 && rate_denom != GST_CLOCK_TIME_NONE);
+  g_return_if_fail (rate_denom && rate_denom != GST_CLOCK_TIME_NONE);
 
   write_seqlock (clock);
   GST_CAT_DEBUG_OBJECT (GST_CAT_CLOCK, clock,

gst/gstminiobject.c

@@ -357,7 +357,7 @@ void
 gst_mini_object_unref (GstMiniObject * mini_object)
 {
   g_return_if_fail (GST_IS_MINI_OBJECT (mini_object));
-  g_return_if_fail (mini_object->refcount > 0);
+  g_return_if_fail (mini_object->refcount);
 
   GST_CAT_TRACE (GST_CAT_REFCOUNTING, "%p unref %d->%d",
       mini_object,

gst/gstobject.c

@@ -329,7 +329,7 @@ void
 gst_object_unref (gpointer object)
 {
   g_return_if_fail (object != NULL);
-  g_return_if_fail (((GObject *) object)->ref_count > 0);
+  g_return_if_fail (((GObject *) object)->ref_count);
 
 #ifdef DEBUG_REFCOUNT
   GST_CAT_TRACE_OBJECT (GST_CAT_REFCOUNTING, object, "%p unref %d->%d", object,

gst/gstpad.c

@@ -4174,7 +4174,7 @@ gst_pad_chain_data_unchecked (GstPad * pad, gboolean is_buffer, void *data,
   caps = gst_pad_data_get_caps (is_buffer, data);
   caps_changed = caps && caps != GST_PAD_CAPS (pad);
 
-  emit_signal = GST_PAD_DO_BUFFER_SIGNALS (pad) > 0;
+  emit_signal = GST_PAD_DO_BUFFER_SIGNALS (pad) != 0;
   GST_OBJECT_UNLOCK (pad);
 
   /* see if the signal should be emited, we emit before caps nego as
@@ -4409,7 +4409,7 @@ gst_pad_push_data (GstPad * pad, gboolean is_buffer, void *data,
 
   /* we emit signals on the pad arg, the peer will have a chance to
    * emit in the _chain() function */
-  if (G_UNLIKELY (GST_PAD_DO_BUFFER_SIGNALS (pad) > 0)) {
+  if (G_UNLIKELY (GST_PAD_DO_BUFFER_SIGNALS (pad))) {
     cache = NULL;
     /* unlock before emitting */
     GST_OBJECT_UNLOCK (pad);
@@ -4866,7 +4866,7 @@ gst_pad_get_range_unchecked (GstPad * pad, guint64 offset, guint size,
   if (G_UNLIKELY (GST_PAD_IS_FLUSHING (pad)))
     goto flushing;
 
-  emit_signal = GST_PAD_DO_BUFFER_SIGNALS (pad) > 0;
+  emit_signal = GST_PAD_DO_BUFFER_SIGNALS (pad) != 0;
   GST_OBJECT_UNLOCK (pad);
 
   if (G_UNLIKELY ((getrangefunc = GST_PAD_GETRANGEFUNC (pad)) == NULL))
@@ -5034,7 +5034,7 @@ gst_pad_pull_range (GstPad * pad, guint64 offset, guint size,
 
   /* signal emision for the pad, peer has chance to emit when
    * we call _get_range() */
-  emit_signal = GST_PAD_DO_BUFFER_SIGNALS (pad) > 0;
+  emit_signal = GST_PAD_DO_BUFFER_SIGNALS (pad) != 0;
 
   gst_object_ref (peer);
   GST_OBJECT_UNLOCK (pad);
@@ -5172,7 +5172,7 @@ gst_pad_push_event (GstPad * pad, GstEvent * event)
     GST_EVENT_SRC (event) = gst_object_ref (pad);
   }
 
-  if (G_UNLIKELY (GST_PAD_DO_EVENT_SIGNALS (pad) > 0)) {
+  if (G_UNLIKELY (GST_PAD_DO_EVENT_SIGNALS (pad) != 0)) {
     GST_OBJECT_UNLOCK (pad);
 
     if (!gst_pad_emit_have_data_signal (pad, GST_MINI_OBJECT (event)))
@@ -5279,7 +5279,7 @@ gst_pad_send_event (GstPad * pad, GstEvent * event)
   }
 
   /* pad signals */
-  if (G_UNLIKELY (GST_PAD_DO_EVENT_SIGNALS (pad) > 0)) {
+  if (G_UNLIKELY (GST_PAD_DO_EVENT_SIGNALS (pad) != 0)) {
     GST_OBJECT_UNLOCK (pad);
 
     if (!gst_pad_emit_have_data_signal (pad, GST_MINI_OBJECT_CAST (event)))

gst/gstregistry.c

@@ -1126,7 +1126,7 @@ gst_registry_scan_path_level (GstRegistryScanContext * context,
       /* FIXME 0.11: Don't recurse into directories, this behaviour
        * is inconsistent with other PATH environment variables
        */
-      if (level > 0) {
+      if (level) {
         GST_LOG_OBJECT (context->registry, "recursing into directory %s",
             filename);
         changed |= gst_registry_scan_path_level (context, filename, level - 1);

gst/gststructure.c

@@ -1744,7 +1744,7 @@ gst_structure_value_get_generic_type (GValue * val)
       || G_VALUE_TYPE (val) == GST_TYPE_ARRAY) {
     GArray *array = g_value_peek_pointer (val);
 
-    if (array->len > 0) {
+    if (array->len) {
       GValue *value = &g_array_index (array, GValue, 0);
 
       return gst_structure_value_get_generic_type (value);

gst/gstsystemclock.c

@@ -334,7 +334,7 @@ gst_system_clock_add_wakeup (GstSystemClock * sysclock)
 static void
 gst_system_clock_wait_wakeup (GstSystemClock * sysclock)
 {
-  while (sysclock->priv->wakeup_count > 0) {
+  while (sysclock->priv->wakeup_count) {
     GST_CLOCK_WAIT (sysclock);
   }
 }

gst/gsttaglist.c

@@ -1162,7 +1162,7 @@ gst_tag_list_get_value_index (const GstTagList * list, const gchar * tag,
       return NULL;
     return gst_value_list_get_value (value, index);
   } else {
-    if (index > 0)
+    if (index)
       return NULL;
     return value;
   }

gst/gstutils.c

@@ -307,7 +307,7 @@ gst_util_div128_64 (GstUInt64 c1, GstUInt64 c0, guint64 denom)
    * part of denom since denom > G_MAXUINT32. */
   s = gst_util_clz (v.l.high);
 
-  if (s > 0) {
+  if (s) {
     /* normalize divisor and dividend */
     v.ll <<= s;
     c1.ll = (c1.ll << s) | (c0.l.high >> (32 - s));
@@ -3367,7 +3367,7 @@ void
 gst_pad_remove_data_probe (GstPad * pad, guint handler_id)
 {
   g_return_if_fail (GST_IS_PAD (pad));
-  g_return_if_fail (handler_id > 0);
+  g_return_if_fail (handler_id);
 
   GST_OBJECT_LOCK (pad);
   g_signal_handler_disconnect (pad, handler_id);
@@ -3391,7 +3391,7 @@ void
 gst_pad_remove_event_probe (GstPad * pad, guint handler_id)
 {
   g_return_if_fail (GST_IS_PAD (pad));
-  g_return_if_fail (handler_id > 0);
+  g_return_if_fail (handler_id);
 
   GST_OBJECT_LOCK (pad);
   g_signal_handler_disconnect (pad, handler_id);
@@ -3413,7 +3413,7 @@ void
 gst_pad_remove_buffer_probe (GstPad * pad, guint handler_id)
 {
   g_return_if_fail (GST_IS_PAD (pad));
-  g_return_if_fail (handler_id > 0);
+  g_return_if_fail (handler_id);
 
   GST_OBJECT_LOCK (pad);
   g_signal_handler_disconnect (pad, handler_id);

plugins/elements/gstqueue.c

@@ -891,7 +891,7 @@ gst_queue_is_empty (GstQueue * queue)
    * Therefore, only consider it empty if it is not filled. */
   return ((queue->min_threshold.buffers > 0 &&
           queue->cur_level.buffers < queue->min_threshold.buffers) ||
-      (queue->min_threshold.bytes > 0 &&
+      (queue->min_threshold.bytes &&
           queue->cur_level.bytes < queue->min_threshold.bytes) ||
       (queue->min_threshold.time > 0 &&
           queue->cur_level.time < queue->min_threshold.time)) &&
@@ -901,11 +901,11 @@ gst_queue_is_empty (GstQueue * queue)
 static gboolean
 gst_queue_is_filled (GstQueue * queue)
 {
-  return (((queue->max_size.buffers > 0 &&
+  return (((queue->max_size.buffers &&
               queue->cur_level.buffers >= queue->max_size.buffers) ||
-          (queue->max_size.bytes > 0 &&
+          (queue->max_size.bytes &&
               queue->cur_level.bytes >= queue->max_size.bytes) ||
-          (queue->max_size.time > 0 &&
+          (queue->max_size.time &&
               queue->cur_level.time >= queue->max_size.time)));
 }
 
@@ -1344,13 +1344,13 @@ gst_queue_handle_src_query (GstPad * pad, GstQuery * query)
        * limit, the best thing we can do is to return an infinite delay. In
        * reality a better estimate would be the byte/buffer rate but that is not
        * possible right now. */
-      if (queue->max_size.time > 0 && max != -1)
+      if (queue->max_size.time && max != -1)
         max += queue->max_size.time;
       else
         max = -1;
 
       /* adjust for min-threshold */
-      if (queue->min_threshold.time > 0 && min != -1)
+      if (queue->min_threshold.time && min != -1)
         min += queue->min_threshold.time;
 
       gst_query_set_latency (query, live, min, max);