[Libva] [PATCH Libva-intel-driver 1/4] Add the support of create surface based on YV16 format

[Yuan, Feng]

Reviewed-by: Wind Yuan <feng.yuan at intel.com>
Tested-by: Wind Yuan <feng.yuan at intel.com>

>-----Original Message-----
>From: libva-bounces at lists.freedesktop.org
>[mailto:libva-bounces at lists.freedesktop.org] On Behalf Of Zhao Yakui
>Sent: Friday, March 14, 2014 3:21 PM
>To: libva at lists.freedesktop.org
>Subject: [Libva] [PATCH Libva-intel-driver 1/4] Add the support of create
>surface based on YV16 format
>
>Signed-off-by: Zhao Yakui <yakui.zhao at intel.com>
>---
> src/i965_drv_video.c | 26 +++++++++++++++++++++++++-
> 1 file changed, 25 insertions(+), 1 deletion(-)
>
>diff --git a/src/i965_drv_video.c b/src/i965_drv_video.c index
>0453c04..f306d91 100755
>--- a/src/i965_drv_video.c
>+++ b/src/i965_drv_video.c
>@@ -816,7 +816,8 @@ i965_surface_native_memory(VADriverContextP ctx,
>     // todo, should we disable tiling for 422 format?
>     if (expected_fourcc == VA_FOURCC('I', '4', '2', '0') ||
>         expected_fourcc == VA_FOURCC('I', 'Y', 'U', 'V') ||
>-        expected_fourcc == VA_FOURCC('Y', 'V', '1', '2'))
>+        expected_fourcc == VA_FOURCC('Y', 'V', '1', '2') ||
>+        expected_fourcc == VA_FOURCC('Y', 'V', '1', '6'))
>         tiling = 0;
>
>     i965_check_alloc_surface_bo(ctx, obj_surface, tiling, expected_fourcc,
>get_sampling_from_fourcc(expected_fourcc));
>@@ -963,6 +964,19 @@ i965_suface_external_memory(VADriverContextP
>ctx,
>
>         break;
>
>+    case VA_FOURCC('Y', 'V', '1', '6'):
>+        assert(memory_attibute->num_planes == 3);
>+        assert(memory_attibute->pitches[1] ==
>+ memory_attibute->pitches[2]);
>+
>+        obj_surface->subsampling = SUBSAMPLE_YUV422H;
>+        obj_surface->y_cr_offset = memory_attibute->offsets[1] /
>obj_surface->width;
>+        obj_surface->y_cb_offset = memory_attibute->offsets[2] /
>obj_surface->width;
>+        obj_surface->cb_cr_width = obj_surface->orig_width / 2;
>+        obj_surface->cb_cr_height = obj_surface->orig_height;
>+        obj_surface->cb_cr_pitch = memory_attibute->pitches[1];
>+
>+        break;
>+
>     case VA_FOURCC('4', '2', '2', 'V'):
>         assert(memory_attibute->num_planes == 3);
>         assert(memory_attibute->pitches[1] ==
>memory_attibute->pitches[2]); @@ -3047,6 +3061,15 @@
>i965_check_alloc_surface_bo(VADriverContextP ctx,
>             region_height = obj_surface->height + obj_surface->height /
>2;
>             break;
>
>+        case VA_FOURCC('Y', 'V', '1', '6'):
>+            obj_surface->cb_cr_width = obj_surface->orig_width / 2;
>+            obj_surface->cb_cr_height = obj_surface->orig_height;
>+            obj_surface->y_cr_offset = obj_surface->height;
>+            obj_surface->y_cb_offset = obj_surface->y_cr_offset +
>ALIGN(obj_surface->cb_cr_height, 32) / 2;
>+            obj_surface->cb_cr_pitch = obj_surface->width / 2;
>+            region_height = obj_surface->height +
>ALIGN(obj_surface->cb_cr_height, 32);
>+            break;
>+
>         case VA_FOURCC('Y', 'V', '1', '2'):
>         case VA_FOURCC('I', '4', '2', '0'):
>             if (fourcc == VA_FOURCC('Y', 'V', '1', '2')) { @@ -3340,6
>+3363,7 @@ get_sampling_from_fourcc(unsigned int fourcc)
>     case VA_FOURCC('Y', 'U', 'Y', '2'):
>     case VA_FOURCC('U', 'Y', 'V', 'Y'):
>     case VA_FOURCC('4', '2', '2', 'H'):
>+    case VA_FOURCC('Y', 'V', '1', '6'):
>         surface_sampling = SUBSAMPLE_YUV422H;
>         break;
>     case VA_FOURCC('4', '2', '2', 'V'):
>--
>1.8.2-rc2
>
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