kPicsInPipeline  1687 content/common/gpu/media/vaapi_h264_decoder.cc   return dpb_.max_num_pics() + kPicsInPipeline;
kPicsInPipeline   119 content/common/gpu/media/vaapi_h264_decoder.h     kMaxNumReqPictures = H264DPB::kDPBMaxSize + kPicsInPipeline,