Merge "Fix encoder crashes for odd size input"

vp9/vp9_cx_iface.c

@@ -992,6 +992,7 @@ static vpx_codec_frame_flags_t get_frame_pkt_flags(const VP9_COMP *cpi,
   return flags;
 }
 
+const size_t kMinCompressedSize = 8192;
 static vpx_codec_err_t encoder_encode(vpx_codec_alg_priv_t  *ctx,
                                       const vpx_image_t *img,
                                       vpx_codec_pts_t pts,
@@ -1013,8 +1014,8 @@ static vpx_codec_err_t encoder_encode(vpx_codec_alg_priv_t  *ctx,
       // instance for its status to determine the compressed data size.
       data_sz = ctx->cfg.g_w * ctx->cfg.g_h * get_image_bps(img) / 8 *
                 (cpi->multi_arf_allowed ? 8 : 2);
-      if (data_sz < 4096)
-        data_sz = 4096;
+      if (data_sz < kMinCompressedSize)
+        data_sz = kMinCompressedSize;
       if (ctx->cx_data == NULL || ctx->cx_data_sz < data_sz) {
         ctx->cx_data_sz = data_sz;
         free(ctx->cx_data);

vpx_dsp/psnrhvs.c

@@ -245,6 +245,8 @@ static double calc_psnrhvs(const unsigned char *src, int _systride,
       }
     }
   }
+  if (pixels <=0)
+      return 0;
   ret /= pixels;
   return ret;
 }