video: enable ICS graphic buffer decoding and rendering.

BZ: 18370

This patch enabled to use external buffer for video decoding, will wrap a gralloc buffer to TTM buffer.

Change-Id: I06c5746c22b94c46fb0e7194c554c9d798743ff5
Reviewed-on: http://android.intel.com:8080/28068
Reviewed-by: Yuan, Shengquan <shengquan.yuan@intel.com>
Reviewed-by: Ding, Haitao <haitao.ding@intel.com>
Tested-by: Ding, Haitao <haitao.ding@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>

1 files changed, 54 insertions, 1 deletions

diff --git a/src/psb_surface.c b/src/psb_surface.c
index e8f0073..6c936ff 100644
--- a/src/psb_surface.c
+++ b/src/psb_surface.c
@@ -44,7 +44,7 @@ VAStatus psb_surface_create(psb_driver_data_p driver_data,
     int ret = 0;
 
     if (fourcc == VA_FOURCC_NV12) {
-        if ((width <= 0) || (width > 5120) || (height <= 0) || (height > 5120)) {
+        if ((width <= 0) || (width * height > 5120 * 5120) || (height <= 0)) {
             return VA_STATUS_ERROR_ALLOCATION_FAILED;
         }
 
@@ -104,6 +104,59 @@ VAStatus psb_surface_create(psb_driver_data_p driver_data,
     return ret ? VA_STATUS_ERROR_ALLOCATION_FAILED : VA_STATUS_SUCCESS;
 }
 
+/*
+ * Create surface
+ */
+VAStatus psb_surface_create_from_ub(psb_driver_data_p driver_data,
+                            int width, int height, int fourcc, VAExternalMemoryBuffers *graphic_buffers,
+                            psb_surface_p psb_surface, /* out */
+                            void *vaddr
+                           )
+{
+    int ret = 0;
+
+    if (fourcc == VA_FOURCC_NV12) {
+        if ((width <= 0) || (width * height > 5120 * 5120) || (height <= 0)) {
+            return VA_STATUS_ERROR_ALLOCATION_FAILED;
+        }
+
+        if (0) {
+            ;
+        } else if (512 >= width) {
+            psb_surface->stride_mode = STRIDE_512;
+            psb_surface->stride = 512;
+        } else if (1024 >= width) {
+            psb_surface->stride_mode = STRIDE_1024;
+            psb_surface->stride = 1024;
+        } else if (1280 >= width) {
+            psb_surface->stride_mode = STRIDE_1280;
+            psb_surface->stride = 1280;
+        } else if (2048 >= width) {
+            psb_surface->stride_mode = STRIDE_2048;
+            psb_surface->stride = 2048;
+        } else if (4096 >= width) {
+            psb_surface->stride_mode = STRIDE_4096;
+            psb_surface->stride = 4096;
+        } else {
+            psb_surface->stride_mode = STRIDE_NA;
+            psb_surface->stride = (width + 0x1f) & ~0x1f;
+        }
+        if (psb_surface->stride != graphic_buffers->luma_stride) {
+            return VA_STATUS_ERROR_ALLOCATION_FAILED;
+        }
+
+        psb_surface->luma_offset = 0;
+        psb_surface->chroma_offset = psb_surface->stride * height;
+        psb_surface->size = (psb_surface->stride * height * 3) / 2;
+        psb_surface->extra_info[4] = VA_FOURCC_NV12;
+    } else {
+        return VA_STATUS_ERROR_ALLOCATION_FAILED;
+    }
+
+    ret = psb_buffer_create_from_ub(driver_data, psb_surface->size, psb_bt_surface, &psb_surface->buf, vaddr);
+
+    return ret ? VA_STATUS_ERROR_ALLOCATION_FAILED : VA_STATUS_SUCCESS;
+}
 
 VAStatus psb_surface_create_for_userptr(
     psb_driver_data_p driver_data,