*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
/**
* Buffer lists are created with gst_buffer_list_new() and filled with data
* using a gst_buffer_list_insert().
*
+ * Buffer lists can be pushed on a srcpad with gst_pad_push_list(). This is
+ * interesting when multiple buffers need to be pushed in one go because it
+ * can reduce the amount of overhead for pushing each buffer individually.
*/
#include "gst_private.h"
* GstBufferList:
*
* Opaque list of grouped buffers.
- *
- * Since: 0.10.24
*/
struct _GstBufferList
{
guint i, len;
len = list->array->len;
- copy = gst_buffer_list_sized_new (len);
+ copy = gst_buffer_list_new_sized (len);
/* add and ref all buffers in the array */
for (i = 0; i < len; i++) {
gst_buffer_unref (g_array_index (list->array, GstBuffer *, i));
g_array_free (list->array, TRUE);
- g_slice_free1 (GST_MINI_OBJECT_SIZE (list), list);
+ g_slice_free1 (sizeof (GstBufferList), list);
}
static void
-gst_buffer_list_init (GstBufferList * list, gsize size, guint asize)
+gst_buffer_list_init (GstBufferList * list, guint asize)
{
- gst_mini_object_init (GST_MINI_OBJECT_CAST (list), _gst_buffer_list_type,
- size);
-
- list->mini_object.copy = (GstMiniObjectCopyFunction) _gst_buffer_list_copy;
- list->mini_object.free = (GstMiniObjectFreeFunction) _gst_buffer_list_free;
+ gst_mini_object_init (GST_MINI_OBJECT_CAST (list), 0, _gst_buffer_list_type,
+ (GstMiniObjectCopyFunction) _gst_buffer_list_copy, NULL,
+ (GstMiniObjectFreeFunction) _gst_buffer_list_free);
list->array = g_array_sized_new (FALSE, FALSE, sizeof (GstBuffer *), asize);
}
/**
- * gst_buffer_list_sized_new:
+ * gst_buffer_list_new_sized:
* @size: an initial reserved size
*
* Creates a new, empty #GstBufferList. The caller is responsible for unreffing
*
* Returns: (transfer full): the new #GstBufferList. gst_buffer_list_unref()
* after usage.
- *
- * Since: 0.10.24
*/
GstBufferList *
-gst_buffer_list_sized_new (guint size)
+gst_buffer_list_new_sized (guint size)
{
GstBufferList *list;
GST_LOG ("new %p", list);
- gst_buffer_list_init (list, sizeof (GstBufferList), size);
+ gst_buffer_list_init (list, size);
return list;
}
*
* Returns: (transfer full): the new #GstBufferList. gst_buffer_list_unref()
* after usage.
- *
- * Since: 0.10.24
*/
GstBufferList *
gst_buffer_list_new (void)
{
- return gst_buffer_list_sized_new (8);
+ return gst_buffer_list_new_sized (8);
}
/**
- * gst_buffer_list_len:
+ * gst_buffer_list_length:
* @list: a #GstBufferList
*
* Returns the number of buffers in @list.
*
* Returns: the number of buffers in the buffer list
- *
- * Since: 0.10.24
*/
guint
-gst_buffer_list_len (GstBufferList * list)
+gst_buffer_list_length (GstBufferList * list)
{
g_return_val_if_fail (GST_IS_BUFFER_LIST (list), 0);
* Call @func with @data for each buffer in @list.
*
* @func can modify the passed buffer pointer or its contents. The return value
- * of @func define if this function returns or if the remaining buffers in a
- * group should be skipped.
+ * of @func define if this function returns or if the remaining buffers in
+ * the list should be skipped.
*
- * Since: 0.10.24
+ * Returns: %TRUE when @func returned %TRUE for each buffer in @list or when
+ * @list is empty.
*/
-void
+gboolean
gst_buffer_list_foreach (GstBufferList * list, GstBufferListFunc func,
gpointer user_data)
{
guint i, len;
+ gboolean ret = TRUE;
- g_return_if_fail (GST_IS_BUFFER_LIST (list));
- g_return_if_fail (func != NULL);
+ g_return_val_if_fail (GST_IS_BUFFER_LIST (list), FALSE);
+ g_return_val_if_fail (func != NULL, FALSE);
len = list->array->len;
for (i = 0; i < len;) {
GstBuffer *buf, *buf_ret;
- gboolean ret;
buf = buf_ret = g_array_index (list->array, GstBuffer *, i);
ret = func (&buf_ret, i, user_data);
if (buf != buf_ret) {
if (buf_ret == NULL) {
g_array_remove_index (list->array, i);
+ len--;
} else {
g_array_index (list->array, GstBuffer *, i) = buf_ret;
}
if (buf_ret != NULL)
i++;
}
+ return ret;
}
/**
*
* Get the buffer at @idx.
*
- * Returns: (transfer none): the buffer at @idx in @group or NULL when there
+ * Returns: (transfer none): the buffer at @idx in @group or %NULL when there
* is no buffer. The buffer remains valid as long as @list is valid.
- *
- * Since: 0.10.24
*/
GstBuffer *
gst_buffer_list_get (GstBufferList * list, guint idx)
}
/**
+ * gst_buffer_list_add:
+ * @l: a #GstBufferList
+ * @b: a #GstBuffer
+ *
+ * Append @b at the end of @l.
+ */
+/**
* gst_buffer_list_insert:
* @list: a #GstBufferList
* @idx: the index
- * @buffer: a #GstBuffer
+ * @buffer: (transfer full): a #GstBuffer
*
* Insert @buffer at @idx in @list. Other buffers are moved to make room for
* this new buffer.
* A -1 value for @idx will append the buffer at the end.
*/
void
-gst_buffer_list_insert (GstBufferList * list, guint idx, GstBuffer * buffer)
+gst_buffer_list_insert (GstBufferList * list, gint idx, GstBuffer * buffer)
{
g_return_if_fail (GST_IS_BUFFER_LIST (list));
g_return_if_fail (buffer != NULL);
}
}
+/**
+ * gst_buffer_list_remove:
+ * @list: a #GstBufferList
+ * @idx: the index
+ * @length: the amount to remove
+ *
+ * Remove @length buffers starting from @idx in @list. The following buffers are
+ * moved to close the gap.
+ */
void
gst_buffer_list_remove (GstBufferList * list, guint idx, guint length)
{
projects / platform / upstream / gstreamer.git / blobdiff