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omxbufferpool: Properly convert OMX alignment to GStreamer alignment

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GStreamer uses a bitmask for the alignment while OMX uses the
alignment itself. Let's convert.

https://bugzilla.gnome.org/show_bug.cgi?id=710564
This commit is contained in:
Sebastian Dröge 2014-06-24 12:42:22 +02:00
parent 6617d6f577
commit 03c54e7c0f
1 changed files with 14 additions and 2 deletions
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16
omx/gstomxbufferpool.c
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@ -131,6 +131,7 @@ gst_omx_memory_allocator_alloc (GstAllocator * allocator, GstMemoryFlags flags,
GstOMXBuffer * buf)
{
GstOMXMemory *mem;
gint align;
/* FIXME: We don't allow sharing because we need to know
* when the memory becomes unused and can only then put
@ -139,11 +140,22 @@ gst_omx_memory_allocator_alloc (GstAllocator * allocator, GstMemoryFlags flags,
*/
flags |= GST_MEMORY_FLAG_NO_SHARE;
/* GStreamer uses a bitmask for the alignment while
* OMX uses the alignment itself. So we have to convert
* here */
align = buf->port->port_def.nBufferAlignment;
if (align > 0)
align -= 1;
if (((align + 1) & align) != 0) {
GST_WARNING ("Invalid alignment that is not a power of two: %u",
buf->port->port_def.nBufferAlignment);
align = 0;
}
mem = g_slice_new (GstOMXMemory);
/* the shared memory is always readonly */
gst_memory_init (GST_MEMORY_CAST (mem), flags, allocator, NULL,
buf->omx_buf->nAllocLen, buf->port->port_def.nBufferAlignment,
0, buf->omx_buf->nAllocLen);
buf->omx_buf->nAllocLen, align, 0, buf->omx_buf->nAllocLen);
mem->buf = buf;