h264 parser: fix setting default l1 ref list size for non-B frames.

content/common/gpu/media/h264_parser.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/gpu/media/h264_parser.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/stl_util.h"
 
@@ skipping 993 matching lines @@
     READ_BOOL_OR_RETURN(&shdr->direct_spatial_mv_pred_flag);
 
   if (shdr->IsPSlice() || shdr->IsSPSlice() || shdr->IsBSlice()) {
     READ_BOOL_OR_RETURN(&shdr->num_ref_idx_active_override_flag);
     if (shdr->num_ref_idx_active_override_flag) {
       READ_UE_OR_RETURN(&shdr->num_ref_idx_l0_active_minus1);
       if (shdr->IsBSlice())
         READ_UE_OR_RETURN(&shdr->num_ref_idx_l1_active_minus1);
     } else {
       shdr->num_ref_idx_l0_active_minus1 =
-            pps->num_ref_idx_l0_default_active_minus1;
-      shdr->num_ref_idx_l1_active_minus1 =
+          pps->num_ref_idx_l0_default_active_minus1;
+      if (shdr->IsBSlice()) {
+        shdr->num_ref_idx_l1_active_minus1 =
             pps->num_ref_idx_l1_default_active_minus1;
+      }
     }
   }
   if (shdr->field_pic_flag) {
     TRUE_OR_RETURN(shdr->num_ref_idx_l0_active_minus1 < 32);
     TRUE_OR_RETURN(shdr->num_ref_idx_l1_active_minus1 < 32);
   } else {
     TRUE_OR_RETURN(shdr->num_ref_idx_l0_active_minus1 < 16);
     TRUE_OR_RETURN(shdr->num_ref_idx_l1_active_minus1 < 16);
   }
 
@@ skipping 88 matching lines @@
 
     default:
       DVLOG(4) << "Unsupported SEI message";
       break;
   }
 
   return kOk;
 }
 
 }  // namespace content