buffer: add gst_buffer_new_copy() convenience function

More convenient and discoverable variant of the fairly widely-used
gst_buffer_new_wrapped(g_memdup(data,size),size).

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/826>

2 files changed, 23 insertions, 0 deletions

diff --git a/gst/gstbuffer.c b/gst/gstbuffer.c
index 2d91d4e5e2..97b1b9fc31 100644
--- a/gst/gstbuffer.c
+++ b/gst/gstbuffer.c
@@ -1040,6 +1040,25 @@ gst_buffer_new_wrapped_bytes (GBytes * bytes)
 }
 
 /**
+ * gst_buffer_new_copy:
+ * @data: (array length=size) (element-type guint8) (transfer none): data to copy into new buffer
+ * @size: size of @data in bytes
+ *
+ * Creates a new buffer of size @size and fills it with a copy of @data.
+ *
+ * Returns: (transfer full): a new #GstBuffer
+ *
+ * Since: 1.20
+ */
+GstBuffer *
+gst_buffer_new_copy (gconstpointer data, gsize size)
+{
+  gpointer data2 = g_memdup (data, size);
+
+  return gst_buffer_new_wrapped_full (0, data2, size, 0, size, data2, g_free);
+}
+
+/**
  * gst_buffer_n_memory:
  * @buffer: a #GstBuffer.
  *
diff --git a/gst/gstbuffer.h b/gst/gstbuffer.h
index 83eba10c84..0b9e77da57 100644
--- a/gst/gstbuffer.h
+++ b/gst/gstbuffer.h
@@ -314,9 +314,13 @@ GstBuffer * gst_buffer_new_wrapped_full    (GstMemoryFlags flags, gpointer data,
                                             GDestroyNotify notify);
 GST_API
 GstBuffer * gst_buffer_new_wrapped         (gpointer data, gsize size);
+
 GST_API
 GstBuffer * gst_buffer_new_wrapped_bytes   (GBytes * bytes);
 
+GST_API
+GstBuffer * gst_buffer_new_copy            (gconstpointer data, gsize size);
+
 /* memory blocks */
 
 GST_API