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gst/gstbuffer.h (GST_BUFFER_FREE_FUNC): New API, a free function that will be called on the malloc_data to free it. B...

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Original commit message from CVS:
2008-10-06  Andy Wingo  <wingo@pobox.com>

* gst/gstbuffer.h (GST_BUFFER_FREE_FUNC): New API, a free function
that will be called on the malloc_data to free it. Basically a way
to avoid subclassing when all you need is a different free
function, i.e. free() instead of g_free().

* gst/gstbuffer.c (gst_buffer_finalize): Free malloc_data via
calling the free function.
(gst_buffer_init): Initialize the free function to g_free.
This commit is contained in:
Andy Wingo 2008-10-06 18:01:42 +00:00
parent f7ae133fec
commit 267d0ba8f3
2 changed files with 17 additions and 2 deletions
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4
gst/gstbuffer.c
View file

@ -186,7 +186,8 @@ gst_buffer_finalize (GstBuffer * buffer)
GST_CAT_LOG (GST_CAT_BUFFER, "finalize %p", buffer);
/* free our data */
g_free (buffer->malloc_data);
if (G_LIKELY (buffer->malloc_data))
buffer->free_func (buffer->malloc_data);
gst_caps_replace (&GST_BUFFER_CAPS (buffer), NULL);
@ -279,6 +280,7 @@ gst_buffer_init (GTypeInstance * instance, gpointer g_class)
GST_BUFFER_DURATION (buffer) = GST_CLOCK_TIME_NONE;
GST_BUFFER_OFFSET (buffer) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_OFFSET_END (buffer) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_FREE_FUNC (buffer) = g_free;
}
/**

15
gst/gstbuffer.h
View file

@ -141,6 +141,17 @@ typedef struct _GstBufferClass GstBufferClass;
* (i.e. when its refcount becomes zero).
*/
#define GST_BUFFER_MALLOCDATA(buf) (GST_BUFFER_CAST(buf)->malloc_data)
/**
* GST_BUFFER_FREE_FUNC:
* @buf: a #GstBuffer.
*
* A pointer to a function that will be called on the buffer's malloc_data when
* this buffer is finalized. Defaults to g_free() if NULL.
*
* Note that the free function only affects the buffer's malloc_data; if the
* buffer's malloc_data is NULL, the function will not be called.
*/
#define GST_BUFFER_FREE_FUNC(buf) (GST_BUFFER_CAST(buf)->free_func)
/**
* GST_BUFFER_OFFSET_NONE:
@ -260,8 +271,10 @@ struct _GstBuffer {
guint8 *malloc_data;
GFreeFunc free_func;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
gpointer _gst_reserved[GST_PADDING - 1];
};
struct _GstBufferClass {