[PATCH 5/5] vo_xv: Support NV12/21

Based-on-a-patch-by: Ville Syrjälä >syrjala sci fi<
Signed-off-by: Alexander Strasser <[email protected]>
---
 libvo/vo_xv.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/libvo/vo_xv.c b/libvo/vo_xv.c
index 3febbf748..222c72f5f 100644
--- a/libvo/vo_xv.c
+++ b/libvo/vo_xv.c
@@ -386,6 +386,7 @@ static int draw_slice(uint8_t * image[], int stride[], int w, int h,
                            int x, int y)
 {
     uint8_t *dst;
+    unsigned num_planes = 2;
     int idx_p1 = 1, idx_p2 = 2;
 
     dst = xvimage[current_buf]->data + xvimage[current_buf]->offsets[0] +
@@ -398,9 +399,14 @@ static int draw_slice(uint8_t * image[], int stride[], int w, int h,
         idx_p1 = 2; idx_p2 = 1;
     case IMGFMT_I420:
     case IMGFMT_IYUV:
+        num_planes = 3;
         x /= 2;
-        y /= 2;
         w /= 2;
+    case IMGFMT_NV12:
+    case IMGFMT_NV21:
+        x &= ~1;
+        w &= ~1;
+        y /= 2;
         h /= 2;
 
         dst = xvimage[current_buf]->data + xvimage[current_buf]->offsets[1] +
@@ -408,10 +414,12 @@ static int draw_slice(uint8_t * image[], int stride[], int w, int h,
             memcpy_pic(dst, image[idx_p1], w, h, xvimage[current_buf]->pitches[1],
                        stride[idx_p1]);
 
+        if (num_planes == 3) {
         dst = xvimage[current_buf]->data + xvimage[current_buf]->offsets[2] +
             xvimage[current_buf]->pitches[2] * y + x;
             memcpy_pic(dst, image[idx_p2], w, h, xvimage[current_buf]->pitches[2],
                        stride[idx_p2]);
+        }
         break;
     }
 
@@ -496,6 +504,13 @@ static uint32_t get_image(mp_image_t * mpi)
             mpi->stride[1] = xvimage[current_buf]->pitches[idx_p1];
             mpi->stride[2] = xvimage[current_buf]->pitches[idx_p2];
             break;
+        case IMGFMT_NV12:
+        case IMGFMT_NV21:
+            mpi->planes[1] =
+                xvimage[current_buf]->data +
+                xvimage[current_buf]->offsets[1];
+            mpi->stride[1] = xvimage[current_buf]->pitches[1];
+            break;
         }
         mpi->flags |= MP_IMGFLAG_DIRECT;
         mpi->priv = (void *)(intptr_t)current_buf;
@@ -511,6 +526,8 @@ static int is_supported_format(uint32_t format)
     case IMGFMT_YV12:
     case IMGFMT_I420:
     case IMGFMT_IYUV:
+    case IMGFMT_NV12:
+    case IMGFMT_NV21:
         return 1;
     default:
         return 0;
-- 
2.11.0
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