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gst/gstpad.c: Add sanity check to make sure we don't get smaller buffers than requested (and fallback to normal buffe...
Original commit message from CVS: * gst/gstpad.c: (gst_pad_buffer_alloc_unchecked): Add sanity check to make sure we don't get smaller buffers than requested (and fallback to normal buffer alloc if we do).
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2 changed files with 20 additions and 0 deletions
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@ -1,3 +1,9 @@
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2008-05-19 Tim-Philipp Müller <tim.muller at collabora co uk>
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* gst/gstpad.c: (gst_pad_buffer_alloc_unchecked):
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Add sanity check to make sure we don't get smaller buffers
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than requested (and fallback to normal buffer alloc if we do).
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2008-05-19 Wim Taymans <wim.taymans@collabora.co.uk>
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* libs/gst/base/gstbasesink.c: (gst_base_sink_adjust_time),
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14
gst/gstpad.c
14
gst/gstpad.c
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@ -2671,12 +2671,18 @@ gst_pad_buffer_alloc_unchecked (GstPad * pad, guint64 offset, gint size,
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goto fallback;
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ret = bufferallocfunc (pad, offset, size, caps, buf);
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if (G_UNLIKELY (ret != GST_FLOW_OK))
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goto error;
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/* no error, but NULL buffer means fallback to the default */
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if (G_UNLIKELY (*buf == NULL))
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goto fallback;
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/* sanity check */
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if (G_UNLIKELY (GST_BUFFER_SIZE (*buf) < size))
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goto wrong_size;
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/* If the buffer alloc function didn't set up the caps like it should,
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* do it for it */
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if (G_UNLIKELY (caps && (GST_BUFFER_CAPS (*buf) == NULL))) {
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@ -2699,6 +2705,14 @@ error:
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"alloc function returned error (%d) %s", ret, gst_flow_get_name (ret));
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return ret;
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}
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wrong_size:
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{
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GST_CAT_ERROR_OBJECT (GST_CAT_PADS, pad, "buffer returned by alloc "
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"function is too small: %u < %d", GST_BUFFER_SIZE (*buf), size);
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gst_buffer_unref (*buf);
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*buf = NULL;
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goto fallback;
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}
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fallback:
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{
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/* fallback case, allocate a buffer of our own, add pad caps. */
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