[MPlayer-cvslog] r38402 - trunk/libmpcodecs/mp_image.c

[reimar]

Author: reimar
Date: Thu Sep  1 21:12:17 2022
New Revision: 38402

Log:
mp_image.c: fix allocation size for formats with odd width.

At the very least chroma_width might be rounded up.
Just allocate for the next larger even width.

Modified:
   trunk/libmpcodecs/mp_image.c

Modified: trunk/libmpcodecs/mp_image.c
==============================================================================
--- trunk/libmpcodecs/mp_image.c	Thu Sep  1 15:21:18 2022	(r38401)
+++ trunk/libmpcodecs/mp_image.c	Thu Sep  1 21:12:17 2022	(r38402)
@@ -51,8 +51,12 @@ void mp_image_alloc_planes(mp_image_t *m
   }
     mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8+
                             mpi->chroma_width*mpi->chroma_height);
-  } else
-    mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8);
+  } else {
+    // for odd width round up to be on the safe side,
+    // required in particular for planar formats
+    int alloc_w = mpi->width + (mpi->width & 1);
+    mpi->planes[0]=av_malloc(mpi->bpp*alloc_w*(mpi->height+2)/8);
+  }
   if (mpi->flags&MP_IMGFLAG_PLANAR) {
     int bpp = IMGFMT_IS_YUVP16(mpi->imgfmt)? 2 : 1;
     // YV12/I420/YVU9/IF09. feel free to add other planar formats here...