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cudamemory: Skip sync if no I/O operation happend on free()

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Synchronization for unused memory is not required

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3884>
This commit is contained in:
Seungha Yang 2023-02-05 20:00:04 +09:00 committed by GStreamer Marge Bot
parent fa2bb42fda
commit e77e6fd4a7
1 changed files with 5 additions and 1 deletions
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6
subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudamemory.cpp
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@ -56,6 +56,8 @@ struct _GstCudaMemoryPrivate
/* Per plane, and point/linear sampling textures respectively */
CUtexObject texture[GST_VIDEO_MAX_PLANES][2];
gboolean saw_io = FALSE;
};
/* *INDENT-ON* */
@ -251,7 +253,7 @@ gst_cuda_allocator_free (GstAllocator * allocator, GstMemory * memory)
gst_cuda_context_push (mem->context);
/* Finish any pending operations before freeing */
if (priv->stream &&
if (priv->stream && priv->saw_io &&
GST_MEMORY_FLAG_IS_SET (mem, GST_CUDA_MEMORY_TRANSFER_NEED_SYNC)) {
CuStreamSynchronize (gst_cuda_stream_get_handle (priv->stream));
}
@ -383,6 +385,8 @@ cuda_mem_map (GstMemory * mem, gsize maxsize, GstMapFlags flags)
std::lock_guard < std::mutex > lk (priv->lock);
priv->saw_io = TRUE;
if ((flags & GST_MAP_CUDA) == GST_MAP_CUDA) {
if (!gst_cuda_memory_upload (self, cmem))
return nullptr;