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va: allocator: support for GST_MAP_VA map flag

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This flag will return the VASurface value at mapping
This commit is contained in:
Víctor Manuel Jáquez Leal 2020-08-02 17:52:50 +02:00
parent f7cfb422f1
commit 62dacfd89a
2 changed files with 11 additions and 0 deletions
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9
sys/va/gstvaallocator.c
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@ -706,6 +706,11 @@ _va_map_unlocked (GstVaMemory * mem, GstMapFlags flags)
(GST_VIDEO_INFO_FORMAT (&mem->info) == mem->surface_format);
}
if (flags & GST_MAP_VA) {
mem->mapped_data = &mem->surface;
goto success;
}
if (!_ensure_image (display, mem->surface, &mem->info, &mem->image,
&mem->is_derived))
return NULL;
@ -757,6 +762,9 @@ _va_unmap_unlocked (GstVaMemory * mem)
if (!g_atomic_int_dec_and_test (&mem->map_count))
return TRUE;
if (mem->prev_mapflags & GST_MAP_VA)
goto bail;
display = GST_VA_ALLOCATOR (allocator)->display;
if (mem->image.image_id != VA_INVALID_ID) {
@ -771,6 +779,7 @@ _va_unmap_unlocked (GstVaMemory * mem)
ret &= _unmap_buffer (display, mem->image.buf);
ret &= _destroy_image (display, mem->image.image_id);
bail:
_clean_mem (mem);
return ret;

2
sys/va/gstvaallocator.h
View file

@ -50,6 +50,8 @@ G_DECLARE_FINAL_TYPE (GstVaAllocator, gst_va_allocator, GST, VA_ALLOCATOR, GstAl
#define GST_ALLOCATOR_VASURFACE "VAMemory"
#define GST_MAP_VA (GST_MAP_FLAG_LAST << 1)
GstAllocator * gst_va_allocator_new (GstVaDisplay * display,
GArray * surface_formats);
GstMemory * gst_va_allocator_alloc (GstAllocator * allocator,