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vl42allocator: Don't dup exported dmabufs

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We can now use the new GstFAllocator to ask the allocator not to close
the wrapped FD. This way the dup is no longer needed.
This commit is contained in:
Nicolas Dufresne 2018-10-19 17:37:28 -04:00
parent b25a01fab9
commit f2fa61b6c5
1 changed files with 2 additions and 12 deletions
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14
sys/v4l2/gstv4l2allocator.c
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@ -852,7 +852,6 @@ gst_v4l2_allocator_alloc_dmabuf (GstV4l2Allocator * allocator,
for (i = 0; i < group->n_mem; i++) {
GstV4l2Memory *mem;
GstMemory *dma_mem;
gint dmafd;
if (group->mem[i] == NULL) {
struct v4l2_exportbuffer expbuf = { 0 };
@ -882,11 +881,8 @@ gst_v4l2_allocator_alloc_dmabuf (GstV4l2Allocator * allocator,
g_assert (gst_is_v4l2_memory (group->mem[i]));
mem = (GstV4l2Memory *) group->mem[i];
if ((dmafd = dup (mem->dmafd)) < 0)
goto dup_failed;
dma_mem = gst_dmabuf_allocator_alloc (dmabuf_allocator, dmafd,
group->planes[i].length);
dma_mem = gst_fd_allocator_alloc (dmabuf_allocator, mem->dmafd,
group->planes[i].length, GST_FD_MEMORY_FLAG_DONT_CLOSE);
gst_memory_resize (dma_mem, group->planes[i].data_offset,
group->planes[i].length - group->planes[i].data_offset);
@ -906,12 +902,6 @@ expbuf_failed:
g_strerror (errno));
goto cleanup;
}
dup_failed:
{
GST_ERROR_OBJECT (allocator, "Failed to dup DMABUF descriptor: %s",
g_strerror (errno));
goto cleanup;
}
cleanup:
{
_cleanup_failed_alloc (allocator, group);