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gst/gstbuffer.c: Port _span() functions to new subbuffers.

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Original commit message from CVS:
* gst/gstbuffer.c: (gst_buffer_is_span_fast), (gst_buffer_span):
Port _span() functions to new subbuffers.
This commit is contained in:
Wim Taymans 2005-05-18 17:35:23 +00:00
parent f704550b84
commit 0dd4810c73
2 changed files with 13 additions and 14 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2005-05-18 Wim Taymans <wim@fluendo.com>
* gst/gstbuffer.c: (gst_buffer_is_span_fast), (gst_buffer_span):
Port _span() functions to new subbuffers.
2005-05-18 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* gst/gstbin.c: (gst_bin_add_func):

22
gst/gstbuffer.c
View file

@ -383,18 +383,15 @@ gst_buffer_create_sub (GstBuffer * buffer, guint offset, guint size)
gboolean
gst_buffer_is_span_fast (GstBuffer * buf1, GstBuffer * buf2)
{
return FALSE;
#if 0
g_return_val_if_fail (buf1 != NULL && buf2 != NULL, FALSE);
g_return_val_if_fail (GST_BUFFER_REFCOUNT_VALUE (buf1) > 0, FALSE);
g_return_val_if_fail (GST_BUFFER_REFCOUNT_VALUE (buf2) > 0, FALSE);
g_return_val_if_fail (buf1->mini_object.refcount > 0, FALSE);
g_return_val_if_fail (buf2->mini_object.refcount > 0, FALSE);
/* it's only fast if we have subbuffers of the same parent */
return ((GST_BUFFER_FLAG_IS_SET (buf1, GST_BUFFER_SUBBUFFER)) &&
(GST_BUFFER_FLAG_IS_SET (buf2, GST_BUFFER_SUBBUFFER)) &&
(buf1->buffer_private == buf2->buffer_private) &&
return (GST_IS_SUBBUFFER (buf1) &&
GST_IS_SUBBUFFER (buf2) &&
(GST_SUBBUFFER (buf1)->parent == GST_SUBBUFFER (buf2)->parent) &&
((buf1->data + buf1->size) == buf2->data));
#endif
}
/**
@ -423,19 +420,17 @@ GstBuffer *
gst_buffer_span (GstBuffer * buf1, guint32 offset, GstBuffer * buf2,
guint32 len)
{
return NULL;
#if 0
GstBuffer *newbuf;
g_return_val_if_fail (buf1 != NULL && buf2 != NULL, NULL);
g_return_val_if_fail (GST_BUFFER_REFCOUNT_VALUE (buf1) > 0, NULL);
g_return_val_if_fail (GST_BUFFER_REFCOUNT_VALUE (buf2) > 0, NULL);
g_return_val_if_fail (buf1->mini_object.refcount > 0, FALSE);
g_return_val_if_fail (buf2->mini_object.refcount > 0, FALSE);
g_return_val_if_fail (len > 0, NULL);
g_return_val_if_fail (len <= buf1->size + buf2->size - offset, NULL);
/* if the two buffers have the same parent and are adjacent */
if (gst_buffer_is_span_fast (buf1, buf2)) {
GstBuffer *parent = GST_BUFFER (buf1->buffer_private);
GstBuffer *parent = GST_SUBBUFFER (buf1)->parent;
/* we simply create a subbuffer of the common parent */
newbuf = gst_buffer_create_sub (parent,
@ -474,5 +469,4 @@ gst_buffer_span (GstBuffer * buf1, guint32 offset, GstBuffer * buf2,
}
return newbuf;
#endif
}