vp8 fix: deallocate denoiser->yv12_last_source

source/libvpx/vp8/encoder/denoising.c

 /*
  *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 412 matching lines @@
 void vp8_denoiser_free(VP8_DENOISER *denoiser)
 {
     int i;
     assert(denoiser);
 
     for (i = 0; i < MAX_REF_FRAMES ; i++)
     {
         vp8_yv12_de_alloc_frame_buffer(&denoiser->yv12_running_avg[i]);
     }
     vp8_yv12_de_alloc_frame_buffer(&denoiser->yv12_mc_running_avg);
+    vp8_yv12_de_alloc_frame_buffer(&denoiser->yv12_last_source);
     vpx_free(denoiser->denoise_state);
 }
 
 
 void vp8_denoiser_denoise_mb(VP8_DENOISER *denoiser,
                              MACROBLOCK *x,
                              unsigned int best_sse,
                              unsigned int zero_mv_sse,
                              int recon_yoffset,
                              int recon_uvoffset,
@@ skipping 236 matching lines @@
       }
       if (apply_filter) {
         // Update the signal block |x|. Pixel changes are only to top and/or
         // left boundary pixels: can we avoid full block copy here.
         vp8_copy_mem16x16(
             denoiser->yv12_running_avg[INTRA_FRAME].y_buffer + recon_yoffset,
             y_stride, x->thismb, 16);
       }
     }
 }